/* =========================================================
   1000 WORDS
   styles.css
========================================================= */


/* =========================================================
   VARIABLES
========================================================= */

:root {
  --primary: #6c5ce7;
  --primary-dark: #5546d7;
  --primary-light: #8d82f0;
  --primary-soft: #f0eeff;

  --secondary: #00b894;
  --secondary-dark: #009c7d;
  --secondary-soft: #e5faf5;

  --blue: #0984e3;
  --blue-soft: #eaf5ff;

  --orange: #f39c12;
  --orange-soft: #fff5df;

  --red: #e74c3c;
  --red-dark: #c0392b;
  --red-soft: #fff0ee;

  --purple: #9b59b6;
  --purple-soft: #f6edfa;

  --green: #00b894;
  --green-soft: #e7faf6;

  --bg: #f5f6fb;
  --surface: #ffffff;
  --surface-2: #fafaff;
  --surface-3: #f2f3f8;

  --text: #202336;
  --text-2: #5f6475;
  --text-3: #9498a8;

  --border: #e7e8ef;
  --border-strong: #dadce7;

  --sidebar-width: 260px;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-sm:
    0 4px 14px rgba(32, 35, 54, 0.05);

  --shadow:
    0 12px 35px rgba(32, 35, 54, 0.08);

  --shadow-lg:
    0 25px 70px rgba(32, 35, 54, 0.14);

  --transition:
    0.25s ease;
}


/* =========================================================
   RESET
========================================================= */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;

  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;

  background: var(--bg);
  color: var(--text);

  line-height: 1.5;

  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: none;
}

button,
label[for] {
  -webkit-tap-highlight-color: transparent;
}

button:not(:disabled),
label[for] {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}


/* =========================================================
   SCROLLBAR
========================================================= */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #cfd1dc;
  border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
  background: #b6b9c8;
}


/* =========================================================
   SELECTION
========================================================= */

::selection {
  color: #fff;
  background: var(--primary);
}


/* =========================================================
   GENERIC
========================================================= */

#app {
  min-height: 100vh;
}

.page-container {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
  padding: 48px 0 80px;
}

.page {
  min-height: 100vh;
}

.page-eyebrow,
.section-eyebrow,
.eyebrow {
  display: block;

  margin-bottom: 7px;

  color: var(--primary);

  font-size: 0.75rem;
  font-weight: 800;

  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;

  gap: 30px;

  margin-bottom: 35px;
}

.page-header h1 {
  margin-bottom: 7px;

  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.page-header p {
  max-width: 650px;

  color: var(--text-2);
  font-size: 0.98rem;
}


/* =========================================================
   BUTTONS
========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: 9px;

  min-height: 44px;

  padding: 11px 20px;

  border: 1px solid transparent;
  border-radius: 12px;

  font-weight: 700;

  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    border-color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #fff;
  background:
    linear-gradient(
      135deg,
      var(--primary),
      #7868ec
    );

  box-shadow:
    0 8px 22px rgba(108, 92, 231, 0.25);
}

.btn-primary:hover {
  box-shadow:
    0 12px 30px rgba(108, 92, 231, 0.34);
}

.btn-secondary {
  color: var(--text);
  background: var(--surface);

  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: #cfd1dd;
  box-shadow: var(--shadow-sm);
}

.btn-light {
  color: var(--primary);
  background: #fff;

  box-shadow:
    0 12px 35px rgba(0, 0, 0, 0.12);
}

.btn-light:hover {
  box-shadow:
    0 15px 42px rgba(0, 0, 0, 0.18);
}

.btn-ghost-light {
  color: #fff;

  background:
    rgba(255, 255, 255, 0.08);

  border-color:
    rgba(255, 255, 255, 0.25);
}

.btn-ghost-light:hover {
  background:
    rgba(255, 255, 255, 0.14);
}

.btn-danger {
  color: #fff;
  background: var(--red);
}

.btn-danger:hover {
  background: var(--red-dark);
}

.btn-danger-outline {
  color: var(--red);
  background: transparent;

  border-color: rgba(231, 76, 60, 0.3);
}

.btn-danger-outline:hover {
  background: var(--red-soft);
}

.btn-large {
  min-height: 52px;

  padding: 14px 24px;

  border-radius: 14px;
}

.btn-small {
  min-height: 38px;

  padding: 8px 15px;

  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}

.text-button,
.text-link {
  color: var(--primary);
  background: none;

  font-weight: 700;
}

.text-button:hover,
.text-link:hover {
  text-decoration: underline;
}

.icon-button {
  display: grid;
  place-items: center;

  width: 38px;
  height: 38px;

  border-radius: 10px;

  color: var(--primary);
  background: var(--primary-soft);

  font-size: 1.15rem;

  transition: var(--transition);
}

.icon-button:hover {
  color: #fff;
  background: var(--primary);

  transform: translateX(2px);
}


/* =========================================================
   INPUTS
========================================================= */

.form-group {
  display: flex;
  flex-direction: column;

  gap: 8px;
}

.form-group label {
  color: var(--text);

  font-size: 0.88rem;
  font-weight: 700;
}

input[type="text"] {
  width: 100%;
  min-height: 50px;

  padding: 0 15px;

  outline: none;

  color: var(--text);
  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: 12px;

  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

input[type="text"]:focus {
  border-color: var(--primary);

  box-shadow:
    0 0 0 4px rgba(108, 92, 231, 0.1);
}

.input-wrapper {
  position: relative;
}

.input-wrapper input {
  padding-left: 45px;
}

.input-icon {
  position: absolute;
  top: 50%;
  left: 15px;

  z-index: 2;

  transform: translateY(-50%);

  opacity: 0.7;
}


/* =========================================================
   ONBOARDING
========================================================= */

.onboarding {
  position: fixed;
  inset: 0;

  z-index: 1000;

  display: grid;
  place-items: center;

  min-height: 100vh;

  padding: 30px;

  overflow-y: auto;

  background:
    linear-gradient(
      135deg,
      #17152f,
      #2c2564 55%,
      #4638a7
    );
}

.onboarding-background {
  position: fixed;
  inset: 0;

  overflow: hidden;

  pointer-events: none;
}

.orb {
  position: absolute;

  border-radius: 50%;

  filter: blur(10px);

  opacity: 0.22;

  animation: floatOrb 10s ease-in-out infinite;
}

.orb-1 {
  top: -130px;
  right: -100px;

  width: 420px;
  height: 420px;

  background: #8d82f0;
}

.orb-2 {
  bottom: -170px;
  left: -130px;

  width: 500px;
  height: 500px;

  background: #00b894;

  animation-delay: -4s;
}

.orb-3 {
  top: 35%;
  left: 15%;

  width: 180px;
  height: 180px;

  background: #0984e3;

  opacity: 0.12;

  animation-delay: -7s;
}

@keyframes floatOrb {
  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(25px, -25px);
  }
}

.onboarding-card {
  position: relative;
  z-index: 2;

  width: min(100%, 520px);

  padding: 25px 38px 35px;

  background:
    rgba(255, 255, 255, 0.98);

  border:
    1px solid rgba(255, 255, 255, 0.6);

  border-radius: 28px;

  box-shadow:
    0 35px 90px rgba(0, 0, 0, 0.3);

  animation: onboardingIn 0.5s ease;
}

@keyframes onboardingIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.onboarding-brand {
  display: flex;
  align-items: center;

  gap: 11px;

  margin-bottom: 30px;
}

.brand-icon,
.logo-icon {
  display: grid;
  place-items: center;

  flex-shrink: 0;

  width: 42px;
  height: 42px;

  border-radius: 12px;

  color: #fff;

  background:
    linear-gradient(
      135deg,
      var(--primary),
      #8979f4
    );

  font-size: 1.25rem;
  font-weight: 900;

  box-shadow:
    0 7px 20px rgba(108, 92, 231, 0.3);
}

.brand-name,
.brand-subtitle {
  display: block;
}

.brand-name {
  font-size: 0.98rem;
  font-weight: 800;
}

.brand-subtitle {
  margin-top: -2px;

  color: var(--text-3);
  font-size: 0.72rem;
}

.onboarding-content h1 {
  margin-bottom: 13px;

  font-size: clamp(2.2rem, 7vw, 3.4rem);

  line-height: 0.98;
  letter-spacing: -0.055em;
}

.onboarding-content h1 span {
  display: block;

  color: var(--primary);
}

.onboarding-content > p {
  color: var(--text-2);
  font-size: 0.94rem;
}

.avatar-setup {
  display: flex;
  align-items: center;

  gap: 18px;

  margin: 27px 0;
}

.avatar-preview {
  position: relative;

  display: grid;
  place-items: center;

  flex-shrink: 0;

  width: 78px;
  height: 78px;

  overflow: hidden;

  border:
    3px solid var(--primary-soft);

  border-radius: 50%;

  color: var(--primary);

  background:
    linear-gradient(
      135deg,
      #eeebff,
      #ded9ff
    );

  font-size: 1.8rem;
  font-weight: 800;
}

.avatar-preview img,
.mini-avatar img,
.profile-large-avatar img {
  position: absolute;
  inset: 0;

  width: 100%;
  height: 100%;

  object-fit: cover;
}

.avatar-actions {
  display: flex;
  align-items: flex-start;
  flex-direction: column;

  gap: 5px;
}

.avatar-actions small {
  color: var(--text-3);
}

#onboardingForm {
  display: flex;
  flex-direction: column;

  gap: 18px;
}

.privacy-message {
  margin-top: 20px;

  color: var(--text-3) !important;

  font-size: 0.76rem !important;
  text-align: center;
}


/* =========================================================
   MAIN APP
========================================================= */

.main-app {
  min-height: 100vh;
}

.main-content {
  min-height: 100vh;

  margin-left: var(--sidebar-width);

  transition: margin-left var(--transition);
}


/* =========================================================
   SIDEBAR
========================================================= */

.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;

  z-index: 500;

  display: flex;
  flex-direction: column;

  width: var(--sidebar-width);

  padding: 24px 17px;

  background:
    rgba(255, 255, 255, 0.97);

  border-right: 1px solid var(--border);

  backdrop-filter: blur(18px);
}

.sidebar-header {
  padding: 0 7px 23px;

  border-bottom: 1px solid var(--border);
}

.app-logo {
  display: flex;
  align-items: center;

  gap: 11px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text strong {
  font-size: 0.93rem;
}

.logo-text span {
  color: var(--text-3);
  font-size: 0.68rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;

  gap: 5px;

  margin-top: 22px;
}

.nav-item {
  display: flex;
  align-items: center;

  gap: 12px;

  width: 100%;

  padding: 11px 13px;

  color: var(--text-2);
  background: transparent;

  border-radius: 11px;

  font-size: 0.88rem;
  font-weight: 650;
  text-align: left;

  transition:
    color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.nav-item:hover {
  color: var(--primary);
  background: var(--primary-soft);

  transform: translateX(2px);
}

.nav-item.active {
  color: var(--primary);
  background: var(--primary-soft);

  font-weight: 750;
}

.nav-icon {
  display: grid;
  place-items: center;

  width: 25px;

  font-size: 1.05rem;
}

.sidebar-bottom {
  display: flex;
  flex-direction: column;

  gap: 17px;

  margin-top: auto;
}

.sidebar-progress {
  padding: 15px;

  background:
    linear-gradient(
      135deg,
      #f3f1ff,
      #faf9ff
    );

  border:
    1px solid #e6e1ff;

  border-radius: 14px;
}

.sidebar-progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-bottom: 10px;

  font-size: 0.76rem;
}

.sidebar-progress-header span {
  color: var(--text-2);
}

.sidebar-progress-header strong {
  color: var(--primary);
}

.progress-bar {
  height: 6px;

  overflow: hidden;

  background: #ddd9f4;

  border-radius: 20px;
}

.progress-bar-fill {
  height: 100%;

  border-radius: inherit;

  background:
    linear-gradient(
      90deg,
      var(--primary),
      #9589f6
    );

  transition: width 0.5s ease;
}

.sidebar-progress small {
  display: block;

  margin-top: 8px;

  color: var(--text-3);
  font-size: 0.67rem;
}

.sidebar-profile {
  display: flex;
  align-items: center;

  gap: 10px;

  padding: 13px 8px 0;

  border-top: 1px solid var(--border);
}

.mini-avatar {
  position: relative;

  display: grid;
  place-items: center;

  flex-shrink: 0;

  width: 38px;
  height: 38px;

  overflow: hidden;

  color: var(--primary);

  background: var(--primary-soft);

  border-radius: 50%;

  font-size: 0.85rem;
  font-weight: 800;
}

.sidebar-user-info {
  min-width: 0;
}

.sidebar-user-info strong,
.sidebar-user-info span {
  display: block;

  overflow: hidden;

  white-space: nowrap;
  text-overflow: ellipsis;
}

.sidebar-user-info strong {
  font-size: 0.78rem;
}

.sidebar-user-info span {
  margin-top: 1px;

  color: var(--text-3);
  font-size: 0.63rem;
}


/* =========================================================
   MOBILE HEADER
========================================================= */

.mobile-header {
  display: none;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;

  z-index: 450;

  display: none;

  background:
    rgba(20, 22, 35, 0.45);

  backdrop-filter: blur(3px);
}


/* =========================================================
   HOME - WELCOME
========================================================= */

.welcome-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;

  margin-bottom: 30px;
}

.welcome-header h1 {
  margin-bottom: 5px;

  font-size: clamp(2rem, 4vw, 3rem);

  line-height: 1.05;
  letter-spacing: -0.05em;
}

.welcome-header h1 span {
  color: var(--primary);
}

.welcome-header p {
  color: var(--text-2);
}

.today-badge {
  display: flex;
  align-items: center;

  gap: 10px;

  padding: 10px 15px;

  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: 13px;

  box-shadow: var(--shadow-sm);
}

.today-badge > span {
  font-size: 1.35rem;
}

.today-badge strong,
.today-badge small {
  display: block;
}

.today-badge strong {
  font-size: 1.1rem;
}

.today-badge small {
  color: var(--text-3);
  font-size: 0.67rem;
}


/* =========================================================
   HOME HERO
========================================================= */

.learning-hero {
  position: relative;

  display: grid;
  grid-template-columns: 1.5fr 0.7fr;
  align-items: center;

  min-height: 330px;

  padding: 50px 55px;

  overflow: hidden;

  color: #fff;

  background:
    radial-gradient(
      circle at 85% 20%,
      rgba(255, 255, 255, 0.15),
      transparent 25%
    ),
    linear-gradient(
      135deg,
      #5142c5,
      #6c5ce7 55%,
      #8274ed
    );

  border-radius: var(--radius-xl);

  box-shadow:
    0 25px 55px rgba(75, 60, 185, 0.2);
}

.learning-hero::before {
  content: "";

  position: absolute;
  right: -100px;
  bottom: -180px;

  width: 400px;
  height: 400px;

  border:
    60px solid rgba(255, 255, 255, 0.05);

  border-radius: 50%;
}

.learning-hero::after {
  content: "";

  position: absolute;
  top: -80px;
  right: 25%;

  width: 180px;
  height: 180px;

  background:
    rgba(255, 255, 255, 0.04);

  border-radius: 50%;
}

.hero-content,
.hero-progress {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;

  margin-bottom: 17px;

  padding: 6px 11px;

  color: #fff;

  background:
    rgba(255, 255, 255, 0.13);

  border:
    1px solid rgba(255, 255, 255, 0.15);

  border-radius: 30px;

  font-size: 0.72rem;
  font-weight: 700;
}

.hero-content h2 {
  max-width: 610px;

  margin-bottom: 14px;

  font-size: clamp(2rem, 4vw, 3.5rem);

  line-height: 1;
  letter-spacing: -0.055em;
}

.hero-content h2 span {
  display: block;

  color: #dcd7ff;
}

.hero-content p {
  max-width: 580px;

  color: rgba(255, 255, 255, 0.78);

  font-size: 0.94rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;

  gap: 10px;

  margin-top: 25px;
}

.play-icon {
  font-size: 0.8rem;
}

.hero-progress {
  display: flex;
  justify-content: center;
}

.progress-circle {
  position: relative;

  display: grid;
  place-items: center;

  width: 185px;
  height: 185px;

  border-radius: 50%;

  background:
    conic-gradient(
      #fff 0deg,
      rgba(255, 255, 255, 0.18) 0deg
    );

  box-shadow:
    0 18px 45px rgba(0, 0, 0, 0.12);
}

.progress-circle::before {
  content: "";

  position: absolute;

  width: 163px;
  height: 163px;

  background:
    linear-gradient(
      135deg,
      #6252d8,
      #7565e8
    );

  border-radius: 50%;
}

.progress-circle-inner {
  position: relative;
  z-index: 2;

  text-align: center;
}

.progress-circle-inner strong {
  font-size: 2.3rem;
  letter-spacing: -0.05em;
}

.progress-circle-inner > span {
  color: rgba(255, 255, 255, 0.65);

  font-size: 0.85rem;
}

.progress-circle-inner small {
  display: block;

  margin-top: -4px;

  color: rgba(255, 255, 255, 0.72);

  font-size: 0.68rem;
}


/* =========================================================
   INFO BANNER
========================================================= */

.info-banner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;

  gap: 15px;

  margin: 24px 0 38px;
  padding: 16px 18px;

  background:
    linear-gradient(
      90deg,
      #f2f0ff,
      #faf9ff
    );

  border:
    1px solid #e5e0ff;

  border-radius: 14px;
}

.info-icon {
  display: grid;
  place-items: center;

  width: 39px;
  height: 39px;

  background: #fff;

  border-radius: 10px;

  box-shadow: var(--shadow-sm);
}

.info-content strong {
  display: block;

  margin-bottom: 2px;

  font-size: 0.82rem;
}

.info-content p {
  color: var(--text-2);
  font-size: 0.76rem;
}

.info-close {
  width: 30px;
  height: 30px;

  color: var(--text-3);
  background: transparent;

  border-radius: 8px;

  font-size: 1.3rem;
}

.info-close:hover {
  color: var(--text);
  background: rgba(0, 0, 0, 0.04);
}


/* =========================================================
   SECTION HEADING
========================================================= */

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;

  gap: 20px;

  margin-bottom: 17px;
}

.section-heading h2 {
  font-size: 1.5rem;
  letter-spacing: -0.035em;
}

.section-heading .text-link {
  font-size: 0.78rem;
}


/* =========================================================
   STATS
========================================================= */

.stats-grid {
  display: grid;
  grid-template-columns:
    repeat(4, minmax(0, 1fr));

  gap: 15px;

  margin-bottom: 28px;
}

.stat-card {
  display: flex;
  align-items: center;

  gap: 14px;

  min-width: 0;

  padding: 19px;

  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: var(--radius);

  box-shadow: var(--shadow-sm);

  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.stat-card:hover {
  transform: translateY(-3px);

  border-color: #dcdde7;

  box-shadow: var(--shadow);
}

.stat-icon {
  display: grid;
  place-items: center;

  flex-shrink: 0;

  width: 44px;
  height: 44px;

  border-radius: 12px;

  font-size: 1.15rem;
  font-weight: 800;
}

.stat-icon-green {
  color: var(--green);
  background: var(--green-soft);
}

.stat-icon-orange {
  color: var(--orange);
  background: var(--orange-soft);
}

.stat-icon-blue {
  color: var(--blue);
  background: var(--blue-soft);
}

.stat-icon-purple {
  color: var(--purple);
  background: var(--purple-soft);
}

.stat-data {
  min-width: 0;
}

.stat-data span,
.stat-data strong,
.stat-data small {
  display: block;
}

.stat-data > span {
  overflow: hidden;

  color: var(--text-2);

  font-size: 0.69rem;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.stat-data strong {
  margin: 1px 0;

  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.stat-data small {
  color: var(--text-3);
  font-size: 0.63rem;
}


/* =========================================================
   DASHBOARD
========================================================= */

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 18px;

  margin-bottom: 25px;
}

.dashboard-card {
  padding: 22px;

  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: var(--radius-lg);

  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;

  margin-bottom: 20px;
}

.card-header h3 {
  font-size: 1.1rem;
  letter-spacing: -0.025em;
}

.difficulty-badge {
  padding: 5px 9px;

  color: var(--orange);
  background: var(--orange-soft);

  border-radius: 20px;

  font-size: 0.64rem;
  font-weight: 800;
}


/* =========================================================
   CATEGORY PROGRESS LIST
========================================================= */

.category-progress-list {
  display: flex;
  flex-direction: column;

  gap: 13px;
}

.category-progress-item {
  display: grid;
  grid-template-columns: 95px 1fr 45px;
  align-items: center;

  gap: 10px;
}

.category-progress-item strong {
  font-size: 0.74rem;
}

.category-progress-track {
  height: 7px;

  overflow: hidden;

  background: var(--surface-3);

  border-radius: 20px;
}

.category-progress-value {
  height: 100%;

  background:
    linear-gradient(
      90deg,
      var(--primary),
      var(--primary-light)
    );

  border-radius: inherit;
}

.category-progress-percent {
  color: var(--text-2);

  font-size: 0.68rem;
  text-align: right;
}

.empty-mini-state {
  display: grid;
  place-items: center;

  min-height: 150px;

  padding: 20px;

  color: var(--text-3);

  background: var(--surface-2);

  border:
    1px dashed var(--border-strong);

  border-radius: 13px;

  font-size: 0.8rem;
  text-align: center;
}


/* =========================================================
   PRACTICE LIST
========================================================= */

.practice-list {
  display: flex;
  flex-direction: column;

  gap: 8px;
}

.practice-word {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 15px;

  padding: 10px 12px;

  background: var(--surface-2);

  border-radius: 10px;
}

.practice-word-info strong,
.practice-word-info span {
  display: block;
}

.practice-word-info strong {
  font-size: 0.82rem;
}

.practice-word-info span {
  color: var(--text-3);
  font-size: 0.66rem;
}

.practice-score {
  color: var(--red);

  font-size: 0.72rem;
  font-weight: 800;
}

.empty-practice {
  display: grid;
  place-items: center;

  min-height: 150px;

  padding: 20px;

  text-align: center;
}

.empty-practice .empty-icon {
  margin-bottom: 8px;

  font-size: 1.8rem;
}

.empty-practice strong {
  font-size: 0.83rem;
}

.empty-practice p {
  max-width: 330px;

  margin-top: 5px;

  color: var(--text-3);
  font-size: 0.72rem;
}


/* =========================================================
   CONTINUE CTA
========================================================= */

.continue-card {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;

  padding: 27px 30px;

  background:
    linear-gradient(
      135deg,
      #fff,
      #f4f2ff
    );

  border: 1px solid #e3dfff;
  border-radius: var(--radius-lg);
}

.continue-card > div > span {
  display: block;

  margin-bottom: 3px;

  color: var(--primary);

  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.continue-card h2 {
  max-width: 620px;

  font-size: 1.4rem;
  line-height: 1.2;
  letter-spacing: -0.035em;
}


/* =========================================================
   CATEGORIES PAGE
========================================================= */

.categories-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 18px;
}

.category-card {
  position: relative;

  display: flex;
  flex-direction: column;

  min-height: 245px;

  padding: 22px;

  overflow: hidden;

  color: var(--text);
  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: var(--radius-lg);

  text-align: left;

  box-shadow: var(--shadow-sm);

  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.category-card:hover {
  transform: translateY(-5px);

  border-color: #d7d2ff;

  box-shadow: var(--shadow);
}

.category-card-featured {
  color: #fff;

  background:
    linear-gradient(
      135deg,
      #5545c9,
      #7666e7
    );

  border-color: transparent;
}

.category-card-featured::before {
  content: "";

  position: absolute;
  top: -90px;
  right: -90px;

  width: 230px;
  height: 230px;

  border:
    40px solid rgba(255, 255, 255, 0.06);

  border-radius: 50%;
}

.category-icon {
  position: relative;
  z-index: 2;

  display: grid;
  place-items: center;

  width: 48px;
  height: 48px;

  margin-bottom: 23px;

  color: var(--primary);
  background: var(--primary-soft);

  border-radius: 13px;

  font-weight: 800;
}

.category-card-featured .category-icon {
  color: #fff;

  background:
    rgba(255, 255, 255, 0.14);
}

.category-content {
  position: relative;
  z-index: 2;
}

.category-content > span {
  color: var(--text-3);

  font-size: 0.65rem;
  font-weight: 800;

  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.category-card-featured .category-content > span {
  color: rgba(255, 255, 255, 0.65);
}

.category-content h3 {
  margin: 4px 0 7px;

  font-size: 1.25rem;
  letter-spacing: -0.035em;
}

.category-content p {
  color: var(--text-2);
  font-size: 0.78rem;
}

.category-card-featured .category-content p {
  color: rgba(255, 255, 255, 0.72);
}

.category-footer {
  position: relative;
  z-index: 2;

  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-top: auto;
  padding-top: 20px;

  color: var(--text-3);

  font-size: 0.7rem;
}

.category-card-featured .category-footer {
  color: rgba(255, 255, 255, 0.75);
}


/* =========================================================
   PROGRESS PAGE
========================================================= */

.progress-overview-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;

  gap: 45px;

  margin-bottom: 18px;
  padding: 32px;

  color: #fff;

  background:
    linear-gradient(
      135deg,
      #5142c4,
      #7363e4
    );

  border-radius: var(--radius-lg);

  box-shadow:
    0 20px 45px rgba(81, 66, 196, 0.18);
}

.progress-overview-card .section-eyebrow {
  color: #dcd7ff;
}

.progress-overview-info h2 {
  margin-bottom: 5px;

  font-size: 2rem;
  letter-spacing: -0.045em;
}

.progress-overview-info p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
}

.large-progress-track {
  height: 14px;

  overflow: hidden;

  background:
    rgba(255, 255, 255, 0.15);

  border-radius: 30px;
}

.large-progress-fill {
  height: 100%;

  background: #fff;

  border-radius: inherit;

  transition: width 0.6s ease;
}

.progress-labels {
  display: flex;
  justify-content: space-between;

  margin-top: 7px;

  color: rgba(255, 255, 255, 0.6);
  font-size: 0.66rem;
}

.progress-stats-grid {
  display: grid;
  grid-template-columns:
    repeat(4, minmax(0, 1fr));

  gap: 15px;

  margin-bottom: 18px;
}

.progress-stat-card {
  padding: 20px;

  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: var(--radius);

  box-shadow: var(--shadow-sm);
}

.progress-stat-label,
.progress-stat-card strong,
.progress-stat-card small {
  display: block;
}

.progress-stat-label {
  color: var(--text-2);
  font-size: 0.7rem;
}

.progress-stat-card strong {
  margin: 3px 0;

  font-size: 1.8rem;
  letter-spacing: -0.045em;
}

.progress-stat-card small {
  color: var(--text-3);
  font-size: 0.64rem;
}

.progress-category-card {
  margin-bottom: 18px;
}

.category-statistics {
  display: flex;
  flex-direction: column;

  gap: 16px;
}

.category-stat-row {
  display: grid;
  grid-template-columns: 130px 1fr 50px;
  align-items: center;

  gap: 15px;
}

.category-stat-row strong {
  font-size: 0.76rem;
}

.category-stat-track {
  height: 9px;

  overflow: hidden;

  background: var(--surface-3);

  border-radius: 20px;
}

.category-stat-fill {
  height: 100%;

  background:
    linear-gradient(
      90deg,
      var(--primary),
      var(--primary-light)
    );

  border-radius: inherit;
}

.category-stat-row span {
  color: var(--text-3);

  font-size: 0.68rem;
  text-align: right;
}


/* =========================================================
   DIFFICULT WORDS
========================================================= */

.words-table-wrapper {
  width: 100%;
  overflow-x: auto;
}

.words-table {
  width: 100%;

  border-collapse: collapse;
}

.words-table th,
.words-table td {
  padding: 12px;

  border-bottom: 1px solid var(--border);

  font-size: 0.76rem;
  text-align: left;
}

.words-table th {
  color: var(--text-3);

  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.words-table td strong {
  font-size: 0.8rem;
}

.empty-state {
  display: grid;
  place-items: center;

  min-height: 240px;

  padding: 30px;

  text-align: center;
}

.empty-state .empty-icon {
  margin-bottom: 10px;

  font-size: 2rem;
}

.empty-state h3 {
  margin-bottom: 5px;

  font-size: 0.95rem;
}

.empty-state p {
  max-width: 430px;

  color: var(--text-3);
  font-size: 0.75rem;
}


/* =========================================================
   PROFILE
========================================================= */

.profile-card {
  overflow: hidden;

  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: var(--radius-lg);

  box-shadow: var(--shadow);
}

.profile-cover {
  height: 180px;

  background:
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 255, 255, 0.16),
      transparent 25%
    ),
    linear-gradient(
      135deg,
      #4e3fbf,
      #7868e8
    );
}

.profile-card-content {
  position: relative;

  padding: 0 35px 35px;
}

.profile-avatar-section {
  position: relative;

  display: inline-block;

  margin-top: -55px;
}

.profile-large-avatar {
  position: relative;

  display: grid;
  place-items: center;

  width: 110px;
  height: 110px;

  overflow: hidden;

  color: var(--primary);
  background: var(--primary-soft);

  border: 5px solid #fff;
  border-radius: 50%;

  box-shadow: var(--shadow);

  font-size: 2rem;
  font-weight: 900;
}

.change-photo-button {
  position: absolute;
  right: 0;
  bottom: 3px;

  display: grid;
  place-items: center;

  width: 33px;
  height: 33px;

  color: #fff;
  background: var(--primary);

  border: 3px solid #fff;
  border-radius: 50%;

  font-size: 0.72rem;
}

.profile-main-info {
  margin-top: 12px;
}

.profile-main-info h2 {
  margin-bottom: 2px;

  font-size: 1.6rem;
  letter-spacing: -0.04em;
}

.profile-main-info p {
  color: var(--text-2);
  font-size: 0.8rem;
}

.profile-form {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;

  gap: 12px;

  max-width: 600px;

  margin-top: 30px;
}


/* =========================================================
   SETTINGS
========================================================= */

.settings-list {
  display: flex;
  flex-direction: column;

  gap: 12px;
}

.settings-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;

  gap: 17px;

  padding: 20px 22px;

  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: var(--radius);

  box-shadow: var(--shadow-sm);
}

.settings-icon {
  display: grid;
  place-items: center;

  width: 45px;
  height: 45px;

  color: var(--primary);
  background: var(--primary-soft);

  border-radius: 12px;

  font-size: 1.1rem;
  font-weight: 800;
}

.settings-content h3 {
  margin-bottom: 3px;

  font-size: 0.9rem;
}

.settings-content p {
  max-width: 650px;

  color: var(--text-2);
  font-size: 0.72rem;
}

.status-badge {
  padding: 6px 11px;

  color: var(--green);
  background: var(--green-soft);

  border-radius: 20px;

  font-size: 0.66rem;
  font-weight: 800;
}

.danger-settings .settings-icon {
  color: var(--red);
  background: var(--red-soft);
}


/* =========================================================
   GAME
========================================================= */

.game-page {
  position: fixed;
  inset: 0;

  z-index: 800;

  min-height: 100vh;

  overflow-y: auto;

  background:
    radial-gradient(
      circle at 50% -10%,
      #eeebff,
      transparent 35%
    ),
    var(--bg);
}

.game-container {
  width: min(900px, calc(100% - 40px));

  margin: 0 auto;
  padding: 25px 0 70px;
}

.game-header {
  display: grid;
  grid-template-columns: 45px 1fr 60px;
  align-items: center;

  gap: 20px;

  margin-bottom: 55px;
}

.game-close-button {
  display: grid;
  place-items: center;

  width: 42px;
  height: 42px;

  color: var(--text-2);
  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: 12px;

  font-size: 1.5rem;

  box-shadow: var(--shadow-sm);
}

.game-close-button:hover {
  color: var(--red);
}

.game-progress-info {
  display: flex;
  justify-content: space-between;

  margin-bottom: 7px;

  color: var(--text-2);
  font-size: 0.7rem;
}

.game-progress-bar {
  height: 8px;

  overflow: hidden;

  background: #e0e1e9;

  border-radius: 30px;
}

.game-progress-fill {
  height: 100%;

  background:
    linear-gradient(
      90deg,
      var(--primary),
      #9286f4
    );

  border-radius: inherit;

  transition: width 0.4s ease;
}

.game-score {
  display: flex;
  align-items: center;
  justify-content: center;

  gap: 5px;

  font-size: 0.9rem;
}

.question-wrapper {
  width: min(100%, 720px);

  margin: 0 auto;
}

.question-meta {
  display: flex;
  align-items: center;
  justify-content: center;

  gap: 8px;

  margin-bottom: 15px;
}

.question-type,
.word-category-badge {
  padding: 5px 10px;

  border-radius: 20px;

  font-size: 0.64rem;
  font-weight: 800;
}

.question-type {
  color: var(--primary);
  background: var(--primary-soft);
}

.word-category-badge {
  color: var(--text-2);
  background: var(--surface-3);
}

.question-card {
  padding: 35px 30px;

  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: var(--radius-lg);

  box-shadow: var(--shadow);

  text-align: center;
}

.question-instruction {
  margin-bottom: 8px;

  color: var(--text-2);
  font-size: 0.85rem;
}

.question-word {
  font-size: clamp(2.8rem, 9vw, 5rem);

  line-height: 1;
  letter-spacing: -0.06em;
}

.question-example {
  display: flex;
  justify-content: center;

  gap: 5px;

  max-width: 530px;

  margin: 22px auto 0;
  padding-top: 18px;

  color: var(--text-2);

  border-top: 1px solid var(--border);

  font-size: 0.8rem;
  font-style: italic;
}

.answer-options {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 11px;

  margin-top: 17px;
}

.answer-option {
  min-height: 62px;

  padding: 13px 17px;

  color: var(--text);
  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: 14px;

  box-shadow: var(--shadow-sm);

  font-weight: 650;
  text-align: left;

  transition:
    transform var(--transition),
    border-color var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.answer-option:hover:not(:disabled) {
  transform: translateY(-2px);

  border-color: var(--primary);

  box-shadow: var(--shadow);
}

.answer-option.correct {
  color: #08775f;
  background: var(--green-soft);

  border-color: #65d5bd;
}

.answer-option.incorrect {
  color: #b63b2f;
  background: var(--red-soft);

  border-color: #f0a49b;
}

.answer-option:disabled {
  cursor: default;
}

.answer-feedback {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;

  gap: 13px;

  margin-top: 16px;
  padding: 14px;

  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: 14px;

  box-shadow: var(--shadow-sm);
}

.feedback-icon {
  display: grid;
  place-items: center;

  width: 40px;
  height: 40px;

  color: var(--green);
  background: var(--green-soft);

  border-radius: 50%;

  font-weight: 900;
}

.answer-feedback.incorrect .feedback-icon {
  color: var(--red);
  background: var(--red-soft);
}

.feedback-content strong {
  display: block;

  font-size: 0.83rem;
}

.feedback-content p {
  color: var(--text-2);
  font-size: 0.7rem;
}


/* =========================================================
   MODALS
========================================================= */

.modal {
  position: fixed;
  inset: 0;

  z-index: 1200;

  display: grid;
  place-items: center;

  padding: 25px;
}

.modal-overlay {
  position: absolute;
  inset: 0;

  background:
    rgba(20, 22, 35, 0.6);

  backdrop-filter: blur(5px);
}

.modal-card {
  position: relative;
  z-index: 2;

  width: min(100%, 500px);

  max-height: calc(100vh - 50px);

  padding: 30px;

  overflow-y: auto;

  background: var(--surface);

  border:
    1px solid rgba(255, 255, 255, 0.5);

  border-radius: var(--radius-lg);

  box-shadow: var(--shadow-lg);

  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;

  display: grid;
  place-items: center;

  width: 32px;
  height: 32px;

  color: var(--text-3);
  background: var(--surface-3);

  border-radius: 9px;

  font-size: 1.25rem;
}

.modal-close:hover {
  color: var(--text);
}

.modal-icon {
  display: grid;
  place-items: center;

  width: 50px;
  height: 50px;

  margin-bottom: 18px;

  background: var(--primary-soft);

  border-radius: 14px;

  font-size: 1.4rem;
}

.game-start-card > h2 {
  margin-bottom: 6px;

  font-size: 1.6rem;
  letter-spacing: -0.04em;
}

.game-start-card > p {
  color: var(--text-2);
  font-size: 0.78rem;
}


/* =========================================================
   GAME CATEGORY SELECTOR
========================================================= */

.game-category-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 9px;

  margin: 23px 0;
}

.game-category-option {
  display: flex;
  align-items: center;

  gap: 10px;

  padding: 12px;

  color: var(--text);
  background: var(--surface-2);

  border: 1px solid var(--border);
  border-radius: 12px;

  text-align: left;

  transition: var(--transition);
}

.game-category-option:hover {
  border-color: #cbc5ff;
}

.game-category-option.selected {
  background: var(--primary-soft);

  border-color: var(--primary);
}

.game-category-option > span {
  display: grid;
  place-items: center;

  width: 35px;
  height: 35px;

  flex-shrink: 0;

  background: #fff;

  border-radius: 9px;
}

.game-category-option strong,
.game-category-option small {
  display: block;
}

.game-category-option strong {
  font-size: 0.76rem;
}

.game-category-option small {
  color: var(--text-3);
  font-size: 0.61rem;
}


/* =========================================================
   RESULT MODAL
========================================================= */

.result-card {
  text-align: center;
}

.result-icon {
  display: grid;
  place-items: center;

  width: 70px;
  height: 70px;

  margin: 0 auto 18px;

  background:
    linear-gradient(
      135deg,
      #fff3c4,
      #ffe89a
    );

  border-radius: 50%;

  font-size: 2rem;
}

.result-card h2 {
  margin-bottom: 5px;

  font-size: 1.7rem;
  letter-spacing: -0.04em;
}

.result-card > p {
  color: var(--text-2);
  font-size: 0.78rem;
}

.result-score {
  margin: 24px 0;
}

.result-score strong {
  font-size: 3.8rem;

  line-height: 1;
  letter-spacing: -0.06em;
}

.result-score > span {
  color: var(--text-3);

  font-size: 1.3rem;
}

.result-score small {
  display: block;

  margin-top: 3px;

  color: var(--text-3);
  font-size: 0.67rem;
}

.result-stats {
  display: grid;
  grid-template-columns:
    repeat(3, 1fr);

  gap: 8px;

  margin-bottom: 24px;
}

.result-stats > div {
  padding: 13px 8px;

  background: var(--surface-2);

  border-radius: 12px;
}

.result-stats span,
.result-stats strong,
.result-stats small {
  display: block;
}

.result-stats > div > span {
  margin-bottom: 4px;

  font-size: 1rem;
}

.result-stats strong {
  font-size: 1.15rem;
}

.result-stats small {
  color: var(--text-3);
  font-size: 0.6rem;
}

.result-actions {
  display: flex;
  justify-content: center;

  gap: 9px;
}


/* =========================================================
   CONFIRMATION
========================================================= */

.confirmation-card {
  width: min(100%, 420px);

  text-align: center;
}

.confirmation-icon {
  display: grid;
  place-items: center;

  width: 60px;
  height: 60px;

  margin: 0 auto 15px;

  color: var(--red);
  background: var(--red-soft);

  border-radius: 50%;

  font-size: 1.4rem;
}

.confirmation-card h2 {
  margin-bottom: 5px;

  font-size: 1.4rem;
}

.confirmation-card p {
  color: var(--text-2);
  font-size: 0.78rem;
}

.confirmation-actions {
  display: flex;
  justify-content: center;

  gap: 9px;

  margin-top: 23px;
}


/* =========================================================
   TOAST
========================================================= */

.toast-container {
  position: fixed;
  right: 22px;
  bottom: 22px;

  z-index: 2000;

  display: flex;
  flex-direction: column;

  gap: 8px;

  width: min(360px, calc(100% - 44px));

  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;

  gap: 11px;

  padding: 13px 15px;

  color: var(--text);
  background: var(--surface);

  border: 1px solid var(--border);
  border-radius: 13px;

  box-shadow: var(--shadow-lg);

  font-size: 0.76rem;

  animation: toastIn 0.3s ease;

  pointer-events: auto;
}

.toast.success {
  border-left: 4px solid var(--green);
}

.toast.error {
  border-left: 4px solid var(--red);
}

.toast.info {
  border-left: 4px solid var(--blue);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}


/* =========================================================
   SMALL ANIMATIONS
========================================================= */

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.04);
  }
}

@keyframes correctPop {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.03);
  }

  100% {
    transform: scale(1);
  }
}

.answer-option.correct {
  animation: correctPop 0.3s ease;
}


/* =========================================================
   FOCUS ACCESSIBILITY
========================================================= */

button:focus-visible,
a:focus-visible,
input:focus-visible,
label[for]:focus-visible {
  outline: 3px solid rgba(108, 92, 231, 0.25);
  outline-offset: 2px;
}


/* =========================================================
   DISABLED
========================================================= */

button:disabled {
  opacity: 0.7;
}


/* =========================================================
   UTILITIES
========================================================= */

.text-success {
  color: var(--green) !important;
}

.text-danger {
  color: var(--red) !important;
}

.text-primary {
  color: var(--primary) !important;
}

.text-muted {
  color: var(--text-3) !important;
}

/* =========================================================
   GAME ANSWER NUMBERS
========================================================= */

.answer-option {
  display: flex;
  align-items: center;
  gap: 12px;
}

.answer-number {
  display: grid;
  place-items: center;

  flex-shrink: 0;

  width: 30px;
  height: 30px;

  color: var(--text-2);
  background: var(--surface-3);

  border-radius: 8px;

  font-size: 0.7rem;
  font-weight: 800;

  transition: 0.25s ease;
}

.answer-option:hover:not(:disabled) .answer-number {
  color: #fff;
  background: var(--primary);
}

.answer-option.correct .answer-number {
  color: #08775f;
  background: rgba(0, 184, 148, 0.14);
}

.answer-option.incorrect .answer-number {
  color: #b63b2f;
  background: rgba(231, 76, 60, 0.12);
}

/* =========================================================
   DYNAMIC APP ELEMENTS
========================================================= */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  min-height: 120px;

  padding: 24px;

  color: var(--text-2);

  background: var(--surface-3);

  border: 1px dashed var(--border);
  border-radius: 14px;

  text-align: center;
}

.empty-state strong {
  margin-bottom: 5px;

  color: var(--text);

  font-size: 0.85rem;
}

.empty-state span {
  max-width: 350px;

  font-size: 0.7rem;
  line-height: 1.6;
}


/* MINI PROGRESS */

.mini-progress {
  position: relative;

  width: 100%;
  height: 7px;

  overflow: hidden;

  background: var(--surface-3);

  border-radius: 999px;
}

.mini-progress span {
  position: absolute;
  inset: 0 auto 0 0;

  height: 100%;

  background:
    linear-gradient(
      90deg,
      var(--primary),
      var(--secondary)
    );

  border-radius: inherit;
}


/* PRACTICE WORD */

.practice-word {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 15px;

  padding: 13px 0;

  border-bottom:
    1px solid var(--border);
}

.practice-word:last-child {
  border-bottom: 0;
}

.practice-word > div:first-child {
  display: flex;
  flex-direction: column;

  gap: 3px;
}

.practice-word strong {
  color: var(--text);

  font-size: 0.82rem;
}

.practice-word span {
  color: var(--text-2);

  font-size: 0.67rem;
}

.practice-mastery {
  flex-shrink: 0;

  padding: 6px 9px;

  color: var(--primary);

  background:
    rgba(108, 92, 231, 0.1);

  border-radius: 8px;

  font-size: 0.68rem;
  font-weight: 800;
}


/* DIFFICULT WORDS */

.difficult-word-row {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 15px;

  padding: 13px 0;

  border-bottom:
    1px solid var(--border);
}

.difficult-word-row:last-child {
  border-bottom: 0;
}

.difficult-word-row > div:first-child {
  display: flex;
  flex-direction: column;

  gap: 3px;
}

.difficult-word-row strong {
  color: var(--text);

  font-size: 0.82rem;
}

.difficult-word-row span {
  color: var(--text-2);

  font-size: 0.66rem;
}

.difficulty-badge {
  display: grid;
  place-items: center;

  min-width: 38px;
  height: 28px;

  padding: 0 8px;

  color: #b45309 !important;

  background:
    rgba(245, 158, 11, 0.12);

  border-radius: 8px;

  font-weight: 800;
}


/* SIDEBAR MOBILE LOCK */

body.sidebar-open {
  overflow: hidden;
}


/* TOAST ANIMATION */

.toast {
  transform: translateY(15px);

  opacity: 0;

  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}

.toast.show {
  transform: translateY(0);

  opacity: 1;
}


/* =========================================================
   1000 WORDS
   PALABRAS QUE YA CONOZCO
========================================================= */

/* CONTENEDOR PRINCIPAL */

.known-page {
  width: 100%;
  animation: knownFadeIn 0.35s ease;
}

@keyframes knownFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* =========================================================
   ADVERTENCIA
========================================================= */

.known-warning {
  display: flex;
  align-items: flex-start;
  gap: 18px;

  padding: 24px;
  margin-bottom: 25px;

  background: linear-gradient(
    135deg,
    rgba(245, 158, 11, 0.10),
    rgba(245, 158, 11, 0.035)
  );

  border: 1px solid rgba(245, 158, 11, 0.25);
  border-left: 4px solid #f59e0b;
  border-radius: 16px;
}

.known-warning-icon {
  display: grid;
  place-items: center;

  flex-shrink: 0;

  width: 42px;
  height: 42px;

  color: #92400e;
  background: rgba(245, 158, 11, 0.18);

  border-radius: 12px;

  font-size: 22px;
  font-weight: 900;
}

.known-warning h3 {
  margin: 0 0 10px;

  color: var(--text, #1e293b);

  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
}

.known-warning p {
  margin: 0 0 10px;

  color: var(--text-2, #64748b);

  font-size: 13px;
  line-height: 1.75;
}

.known-warning p:last-child {
  margin-bottom: 0;
}

.known-warning strong {
  color: #b45309;
}


/* =========================================================
   TARJETAS DE RESUMEN
========================================================= */

.known-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;

  margin-bottom: 26px;
}

.known-summary-item {
  display: flex;
  flex-direction: column;
  gap: 8px;

  min-width: 0;
  padding: 23px;

  background: var(--surface, #ffffff);

  border: 1px solid var(--border, #e2e8f0);
  border-radius: 17px;

  box-shadow: 0 4px 18px rgba(20, 20, 60, 0.035);

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.known-summary-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(20, 20, 60, 0.07);
}

.known-summary-item > span {
  color: var(--text-2, #64748b);

  font-size: 12px;
  font-weight: 700;
}

.known-summary-item strong {
  color: var(--primary, #6c5ce7);

  font-size: clamp(25px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.2;
}

.known-summary-item small {
  color: var(--text-2, #64748b);

  font-size: 11px;
  line-height: 1.5;
}

.known-summary-item:last-child {
  background: linear-gradient(
    135deg,
    #6c5ce7,
    #5143b9
  );

  border-color: transparent;
}

.known-summary-item:last-child > span,
.known-summary-item:last-child strong,
.known-summary-item:last-child small {
  color: #ffffff;
}

.known-summary-item:last-child small {
  opacity: 0.8;
}


/* =========================================================
   BUSCADOR Y FILTROS
========================================================= */

.known-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;

  padding: 20px;
  margin-bottom: 20px;

  background: var(--surface, #ffffff);

  border: 1px solid var(--border, #e2e8f0);
  border-radius: 16px;
}

.known-search {
  position: relative;
  flex: 1 1 260px;
  min-width: 0;
}

.known-search input {
  width: 100%;
  min-height: 46px;

  padding: 12px 16px 12px 43px;

  color: var(--text, #1e293b);
  background: var(--surface-3, #f8fafc);

  border: 1px solid var(--border, #e2e8f0);
  border-radius: 11px;

  outline: none;

  font: inherit;
  font-size: 13px;

  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.known-search input:focus {
  border-color: var(--primary, #6c5ce7);

  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.10);
}

.known-search input::placeholder {
  color: #94a3b8;
}

.known-search-icon {
  position: absolute;
  top: 50%;
  left: 15px;

  transform: translateY(-50%);

  color: #94a3b8;
  font-size: 24px;

  pointer-events: none;
}

.known-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.known-filters label {
  color: var(--text-2, #64748b);

  font-size: 11px;
  font-weight: 700;
}

.known-filters select {
  min-height: 46px;
  max-width: 210px;

  padding: 0 32px 0 12px;

  color: var(--text, #1e293b);
  background: var(--surface-3, #f8fafc);

  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;

  font: inherit;
  font-size: 12px;
  font-weight: 600;

  cursor: pointer;
  outline: none;
}

.known-filters select:focus {
  border-color: var(--primary, #6c5ce7);
}


/* =========================================================
   PANEL DEL VOCABULARIO
========================================================= */

.known-list-panel {
  overflow: hidden;

  background: var(--surface, #ffffff);

  border: 1px solid var(--border, #e2e8f0);
  border-radius: 18px;

  box-shadow: 0 5px 25px rgba(20, 20, 60, 0.035);
}

.known-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;

  padding: 22px 24px;

  border-bottom: 1px solid var(--border, #e2e8f0);
}

.known-list-header h2 {
  margin: 0 0 5px;

  color: var(--text, #1e293b);

  font-size: 17px;
  font-weight: 800;
}

.known-list-header p {
  margin: 0;

  color: var(--text-2, #64748b);

  font-size: 12px;
}

.known-selection-count {
  padding: 8px 12px;

  color: var(--primary, #6c5ce7);
  background: rgba(108, 92, 231, 0.09);

  border-radius: 9px;

  font-size: 11px;
  font-weight: 800;
}


/* =========================================================
   LISTADO DE PALABRAS
========================================================= */

.known-words-list {
  display: flex;
  flex-direction: column;
}

.known-word-item {
  display: flex;
  align-items: center;
  gap: 15px;

  min-height: 72px;
  padding: 15px 24px;

  border-bottom: 1px solid var(--border, #e2e8f0);

  cursor: pointer;

  transition:
    background 0.2s ease;
}

.known-word-item:last-child {
  border-bottom: none;
}

.known-word-item:hover {
  background: rgba(108, 92, 231, 0.035);
}

.known-word-item.is-known {
  background: rgba(0, 184, 148, 0.045);
}

.known-word-item.is-known:hover {
  background: rgba(0, 184, 148, 0.085);
}

.known-word-item.is-learned {
  background: rgba(108, 92, 231, 0.035);
}


/* =========================================================
   CHECKBOX PERSONALIZADO
========================================================= */

.known-word-checkbox {
  display: grid;
  place-items: center;

  flex-shrink: 0;

  width: 23px;
  height: 23px;

  margin: 0;

  appearance: none;
  -webkit-appearance: none;

  background: #ffffff;

  border: 2px solid #cbd5e1;
  border-radius: 7px;

  cursor: pointer;

  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.known-word-checkbox:hover {
  border-color: var(--primary, #6c5ce7);
}

.known-word-checkbox:checked {
  background: var(--secondary, #00b894);
  border-color: var(--secondary, #00b894);
}

.known-word-checkbox:checked::after {
  content: "";

  width: 6px;
  height: 11px;

  border: solid #ffffff;
  border-width: 0 2px 2px 0;

  transform: rotate(45deg) translateY(-1px);
}

.known-word-checkbox:focus-visible {
  outline: 3px solid rgba(108, 92, 231, 0.25);
  outline-offset: 3px;
}

.known-word-checkbox:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* =========================================================
   INFORMACIÓN DE PALABRA
========================================================= */

.known-word-info {
  display: flex;
  flex-direction: column;
  gap: 5px;

  flex: 1;
  min-width: 0;
}

.known-word-english {
  color: var(--text, #1e293b);

  font-size: 14px;
  font-weight: 800;
}

.known-word-spanish {
  color: var(--text-2, #64748b);

  font-size: 12px;
  line-height: 1.5;
}

.known-word-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;

  flex-shrink: 0;
}

.known-word-category {
  padding: 6px 9px;

  color: #64748b;
  background: #f1f5f9;

  border-radius: 7px;

  font-size: 10px;
  font-weight: 700;
}

.known-word-status {
  padding: 6px 10px;

  border-radius: 7px;

  font-size: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.known-word-status.manual {
  color: #047857;
  background: rgba(0, 184, 148, 0.12);
}

.known-word-status.learned {
  color: #5b48ce;
  background: rgba(108, 92, 231, 0.12);
}

.known-word-status.learning {
  color: #b45309;
  background: rgba(245, 158, 11, 0.12);
}

.known-word-status.new {
  color: #64748b;
  background: #f1f5f9;
}


/* =========================================================
   PAGINACIÓN
========================================================= */

.known-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;

  padding: 20px;

  border-top: 1px solid var(--border, #e2e8f0);
}

.known-page-btn {
  min-height: 38px;
  padding: 9px 15px;

  color: var(--primary, #6c5ce7);
  background: rgba(108, 92, 231, 0.08);

  border: 1px solid rgba(108, 92, 231, 0.12);
  border-radius: 9px;

  font: inherit;
  font-size: 12px;
  font-weight: 800;

  cursor: pointer;

  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.known-page-btn:hover:not(:disabled) {
  background: rgba(108, 92, 231, 0.15);
  transform: translateY(-1px);
}

.known-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#knownPageIndicator {
  color: var(--text-2, #64748b);

  font-size: 12px;
  font-weight: 700;
}


/* =========================================================
   NOTA INFERIOR
========================================================= */

.known-footer-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;

  margin-top: 22px;
  padding: 17px 20px;

  color: var(--text-2, #64748b);
  background: rgba(108, 92, 231, 0.045);

  border: 1px solid rgba(108, 92, 231, 0.10);
  border-radius: 13px;
}

.known-footer-note > span {
  color: var(--primary, #6c5ce7);
  font-size: 20px;
  font-weight: 800;
}

.known-footer-note p {
  margin: 0;

  font-size: 12px;
  line-height: 1.7;
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1050px) {

  .known-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .known-search {
    flex: auto;
    width: 100%;
  }

  .known-filters {
    width: 100%;
  }

}

@media (max-width: 650px) {

  .known-warning {
    gap: 12px;
    padding: 17px;
  }

  .known-warning-icon {
    width: 34px;
    height: 34px;

    font-size: 18px;
  }

  .known-warning h3 {
    font-size: 14px;
  }

  .known-warning p {
    font-size: 12px;
  }

  .known-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .known-summary-item {
    padding: 16px;
  }

  .known-summary-item:last-child {
    grid-column: 1 / -1;
  }

  .known-summary-item strong {
    font-size: 25px;
  }

  .known-controls {
    padding: 14px;
  }

  .known-filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .known-filters label {
    grid-column: 1 / -1;
  }

  .known-filters select {
    width: 100%;
    max-width: none;
  }

  .known-list-header {
    padding: 18px 15px;
  }

  .known-word-item {
    gap: 11px;
    padding: 13px 15px;
  }

  .known-word-english {
    font-size: 13px;
  }

  .known-word-spanish {
    font-size: 11px;
  }

  .known-word-meta {
    gap: 5px;
  }

  .known-word-category {
    display: none;
  }

  .known-word-status {
    font-size: 9px;
    padding: 5px 7px;
  }

  .known-footer-note {
    padding: 15px;
  }

}

@media (max-width: 380px) {

  .known-summary-item {
    padding: 13px;
  }

  .known-summary-item strong {
    font-size: 22px;
  }

  .known-word-item {
    gap: 9px;
  }

  .known-word-checkbox {
    width: 21px;
    height: 21px;
  }

  .known-word-status {
    max-width: 85px;
    white-space: normal;
    text-align: center;
  }

}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

  .known-page {
    animation: none;
  }

  .known-summary-item,
  .known-word-item,
  .known-page-btn,
  .known-word-checkbox {
    transition: none;
  }

}