@import url("https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=Outfit:wght@400;500;600;700&display=swap");

:root {
  --sl-primary: #63bd72;
  --sl-primary-dark: #388a50;
  --sl-primary-soft: #e8f8ea;
  --sl-secondary: #ef7165;
  --sl-secondary-soft: #fff0ed;
  --sl-gold: #e7a72b;
  --sl-gold-soft: #fff4cf;
  --sl-orange: #f08a52;
  --sl-purple: #7654b8;
  --sl-bg: #eaf8f7;
  --sl-surface: #ffffff;
  --sl-text: #243044;
  --sl-muted: #687386;
  --sl-border: #cfe7df;
  --sl-radius-sm: 14px;
  --sl-radius: 22px;
  --sl-radius-lg: 30px;
  --sl-shadow: 0 10px 30px rgba(46, 104, 84, .1);
  --sl-shadow-hover: 0 18px 38px rgba(46, 104, 84, .16);
  --sl-space: 1.5rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--sl-bg);
  color: var(--sl-text);
  font-family: "Outfit", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

h1,
h2,
h3,
h4,
h5,
h6,
.brand-mark,
.btn {
  font-family: "Fredoka", "Outfit", sans-serif;
}

a {
  color: var(--sl-primary);
  text-decoration: none;
}

a:hover {
  color: var(--sl-primary-dark);
}

button,
a,
input,
select {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(23, 105, 170, .35);
  outline-offset: 3px;
}

.btn {
  --bs-btn-border-radius: 999px;
  --bs-btn-font-weight: 700;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.text-bg-primary {
  color: #fff !important;
  background-color: var(--sl-primary) !important;
}

.btn-primary {
  --bs-btn-bg: var(--sl-primary);
  --bs-btn-border-color: var(--sl-primary);
  --bs-btn-hover-bg: var(--sl-primary-dark);
  --bs-btn-hover-border-color: var(--sl-primary-dark);
  --bs-btn-active-bg: var(--sl-primary-dark);
  --bs-btn-active-border-color: var(--sl-primary-dark);
}

.btn-outline-primary {
  --bs-btn-color: var(--sl-primary);
  --bs-btn-border-color: var(--sl-primary);
  --bs-btn-hover-bg: var(--sl-primary);
  --bs-btn-hover-border-color: var(--sl-primary);
}

.app-loading {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  color: var(--sl-muted);
  font-weight: 600;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--sl-text);
  font-size: 1.04rem;
  font-weight: 600;
  white-space: nowrap;
}

.brand-mark:hover {
  color: var(--sl-text);
}

.brand-mark strong {
  color: var(--sl-primary);
}

.brand-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--sl-primary);
  color: #fff;
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--sl-primary);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.section-space {
  padding: 5.5rem 0;
}

.section-heading {
  max-width: 650px;
}

.section-heading h2,
.section-title {
  margin: .75rem 0 1rem;
  color: var(--sl-text);
  font-size: clamp(1.85rem, 3vw, 2.55rem);
  font-weight: 800;
  letter-spacing: -.035em;
}

.section-heading p,
.section-copy {
  color: var(--sl-muted);
  line-height: 1.75;
}

/* Landing */
.landing-nav {
  background: rgba(255, 255, 255, .9);
  border-bottom: 1px solid rgba(220, 229, 239, .75);
  backdrop-filter: blur(12px);
}

.landing-nav .nav-link {
  color: var(--sl-muted);
  font-size: .92rem;
  font-weight: 650;
}

.landing-nav .nav-link:hover {
  color: var(--sl-primary);
}

.hero-section {
  position: relative;
  overflow: hidden;
  padding: 6.5rem 0 6rem;
  background:
    radial-gradient(circle at 91% 15%, rgba(19, 138, 114, .13), transparent 21rem),
    radial-gradient(circle at 4% 92%, rgba(23, 105, 170, .12), transparent 22rem),
    #fff;
}

.hero-section h1 {
  max-width: 650px;
  margin: 1rem 0 1.35rem;
  font-size: clamp(2.55rem, 5vw, 4.6rem);
  font-weight: 850;
  letter-spacing: -.06em;
  line-height: 1.05;
}

.hero-section h1 span {
  color: var(--sl-primary);
}

.hero-copy {
  max-width: 550px;
  color: var(--sl-muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  color: var(--sl-muted);
  font-size: .88rem;
  font-weight: 600;
}

.hero-trust i {
  color: var(--sl-secondary);
  margin-right: .35rem;
}

.hero-dashboard-preview {
  position: relative;
  max-width: 500px;
  margin: auto;
  overflow: visible;
  border: 9px solid #e8f0f8;
  border-radius: 27px;
  background: #f4f8fc;
  box-shadow: 0 25px 55px rgba(21, 70, 113, .2);
}

.preview-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.15rem;
  border-radius: 18px 18px 0 0;
  background: #fff;
}

.preview-logo,
.preview-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.preview-logo {
  width: 31px;
  height: 31px;
  border-radius: 9px;
  background: var(--sl-primary);
  color: #fff;
  font-size: .85rem;
}

.preview-user {
  display: flex;
  align-items: center;
  gap: .55rem;
  color: var(--sl-muted);
  font-size: .7rem;
  font-weight: 600;
}

.preview-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #dcecff;
  color: var(--sl-primary-dark);
  font-size: .6rem;
  font-weight: 800;
}

.preview-content {
  display: grid;
  gap: .8rem;
  padding: 1.15rem;
}

.preview-welcome,
.preview-level,
.preview-ranking,
.preview-stats > div {
  background: #fff;
  border: 1px solid #e4edf5;
  border-radius: 14px;
}

.preview-welcome {
  padding: 1rem;
}

.preview-welcome small,
.preview-level small,
.preview-ranking small,
.preview-stats small {
  display: block;
  color: var(--sl-muted);
  font-size: .68rem;
  font-weight: 600;
}

.preview-welcome strong {
  display: block;
  margin-top: .25rem;
  font-size: .92rem;
}

.preview-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .8rem;
}

.preview-stats > div {
  padding: .85rem;
}

.preview-stat-icon {
  width: 25px;
  height: 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .45rem;
  border-radius: 8px;
  font-size: .7rem;
}

.preview-stat-icon.xp {
  background: var(--sl-gold-soft);
  color: var(--sl-gold);
}

.preview-stat-icon.streak {
  background: #fff0e6;
  color: var(--sl-orange);
}

.preview-stats strong {
  font-size: .95rem;
}

.preview-level {
  padding: .95rem;
  color: var(--sl-primary);
  font-size: .73rem;
  font-weight: 750;
}

.preview-level .progress,
.login-preview-card .progress {
  height: 7px;
  border-radius: 99px;
  background: #e6edf5;
}

.preview-level .progress-bar,
.login-preview-card .progress-bar {
  background: linear-gradient(90deg, var(--sl-primary), #3595d8);
  border-radius: inherit;
}

.preview-level small {
  margin-top: .6rem;
}

.preview-ranking {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem .95rem;
}

.preview-ranking strong {
  display: block;
  margin-top: .12rem;
  font-size: .8rem;
}

.ranking-medal {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: var(--sl-gold-soft);
  color: var(--sl-gold);
}

.ranking-rise {
  color: var(--sl-secondary);
  font-size: .65rem;
  font-weight: 800;
}

.floating-badge {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem .75rem;
  border: 1px solid #e4edf5;
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--sl-shadow);
  color: var(--sl-text);
  font-size: .7rem;
  font-weight: 800;
}

.floating-badge i {
  color: var(--sl-gold);
  font-size: 1rem;
}

.floating-badge-one {
  top: 14%;
  right: -11%;
}

.floating-badge-two {
  bottom: 14%;
  left: -12%;
}

.floating-badge-two i {
  color: var(--sl-secondary);
}

.process-section {
  background: var(--sl-bg);
}

.process-card,
.feature-card {
  height: 100%;
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius);
  background: var(--sl-surface);
  box-shadow: 0 5px 18px rgba(25, 62, 101, .04);
}

.process-card {
  position: relative;
  padding: 1.65rem;
}

.process-card:hover,
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sl-shadow);
  transition: .22s ease;
}

.process-number {
  position: absolute;
  top: 1.25rem;
  right: 1.35rem;
  color: #dce7f1;
  font-size: 1.35rem;
  font-weight: 850;
}

.feature-icon {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  border-radius: 14px;
  font-size: 1.25rem;
}

.feature-icon.blue {
  background: var(--sl-primary-soft);
  color: var(--sl-primary);
}

.feature-icon.green {
  background: var(--sl-secondary-soft);
  color: var(--sl-secondary);
}

.feature-icon.gold {
  background: var(--sl-gold-soft);
  color: var(--sl-gold);
}

.feature-icon.orange {
  background: #fff0e6;
  color: var(--sl-orange);
}

.feature-icon.purple {
  background: #f0eafa;
  color: var(--sl-purple);
}

.process-card h3,
.feature-card h3 {
  font-size: 1.02rem;
  font-weight: 800;
}

.process-card p,
.feature-card p {
  margin: 0;
  color: var(--sl-muted);
  font-size: .9rem;
  line-height: 1.65;
}

.features-section {
  background: #fff;
}

.feature-card {
  padding: 1.5rem;
}

.feature-card-shift {
  margin-top: 1.25rem;
}

.cta-section {
  padding-top: 1rem;
  background: #fff;
}

.cta-card {
  padding: clamp(2.4rem, 6vw, 4.2rem) 1.5rem;
  border-radius: var(--sl-radius-lg);
  background:
    radial-gradient(circle at 9% 100%, rgba(255, 255, 255, .14), transparent 18rem),
    radial-gradient(circle at 90% 0%, rgba(255, 255, 255, .15), transparent 16rem),
    linear-gradient(135deg, var(--sl-primary), #0f7c95);
  color: #fff;
}

.cta-icon {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 17px;
  background: rgba(255, 255, 255, .16);
  font-size: 1.5rem;
}

.cta-card h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 800;
}

.cta-card p {
  margin: .7rem auto 1.5rem;
  max-width: 590px;
  color: rgba(255, 255, 255, .82);
}

.landing-footer {
  padding: 1.8rem 0;
  border-top: 1px solid var(--sl-border);
  background: #fff;
  color: var(--sl-muted);
  font-size: .85rem;
}

.landing-footer a:last-child {
  font-weight: 700;
}

/* Login */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, .92fr) minmax(400px, 1.08fr);
  background: #fff;
}

.login-panel {
  width: min(100%, 510px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: auto;
  padding: 2rem;
}

.login-brand {
  margin-bottom: 2.5rem;
}

.login-card h1 {
  margin: .75rem 0 .5rem;
  font-size: 1.9rem;
  font-weight: 850;
  letter-spacing: -.04em;
}

.login-card > p {
  margin-bottom: 1.75rem;
  color: var(--sl-muted);
  line-height: 1.65;
}

.login-icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  border-radius: 16px;
  background: var(--sl-primary-soft);
  color: var(--sl-primary);
  font-size: 1.5rem;
}

.prototype-label {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  padding: .34rem .65rem;
  border-radius: 99px;
  background: var(--sl-gold-soft);
  color: #936500;
  font-size: .72rem;
  font-weight: 800;
}

.form-label {
  color: var(--sl-text);
  font-size: .88rem;
  font-weight: 750;
}

.form-control,
.input-group-text {
  border-color: var(--sl-border);
}

.form-control {
  color: var(--sl-text);
  font-size: .95rem;
}

.form-control:focus {
  border-color: var(--sl-primary);
  box-shadow: 0 0 0 .25rem rgba(23, 105, 170, .12);
}

.input-group-text {
  color: var(--sl-muted);
  background: #f9fbfd;
}

.password-toggle {
  border-color: var(--sl-border);
}

.login-note {
  display: flex;
  gap: .55rem;
  margin-top: 1.3rem;
  padding: .8rem .9rem;
  border-radius: var(--sl-radius-sm);
  background: #f6f9fc;
  color: var(--sl-muted);
  font-size: .77rem;
  line-height: 1.5;
}

.login-note i {
  flex: 0 0 auto;
  color: var(--sl-primary);
}

.back-home {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-top: 1.7rem;
  color: var(--sl-muted);
  font-size: .87rem;
  font-weight: 700;
}

.login-visual {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 3rem;
  background:
    radial-gradient(circle at 12% 90%, rgba(255, 255, 255, .13), transparent 18rem),
    radial-gradient(circle at 90% 10%, rgba(87, 207, 183, .24), transparent 20rem),
    linear-gradient(140deg, #115e99, #08766d);
  color: #fff;
}

.login-visual-content {
  width: min(100%, 530px);
  margin: auto;
}

.login-visual .eyebrow {
  color: #d1fff3;
}

.login-visual h2 {
  margin: 1rem 0;
  font-size: clamp(2rem, 3.4vw, 3.1rem);
  font-weight: 850;
  letter-spacing: -.045em;
  line-height: 1.12;
}

.login-visual > div > p {
  max-width: 490px;
  color: rgba(255, 255, 255, .79);
  line-height: 1.75;
}

.login-preview-card {
  margin-top: 2rem;
  padding: 1.3rem;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--sl-radius);
  background: rgba(255, 255, 255, .13);
  box-shadow: 0 15px 40px rgba(0, 37, 64, .14);
  backdrop-filter: blur(10px);
}

.login-preview-card small {
  display: block;
  color: rgba(255, 255, 255, .74);
  font-size: .8rem;
}

.login-preview-card h3 {
  margin: .25rem 0 0;
  font-size: 1.1rem;
  font-weight: 800;
}

.login-preview-card .progress {
  background: rgba(255, 255, 255, .22);
}

.login-preview-card .progress-bar {
  background: #ffe18c;
}

.login-preview-card .d-flex:last-child {
  color: rgba(255, 255, 255, .78);
  font-size: .77rem;
}

.login-preview-trophy {
  width: 39px;
  height: 39px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 224, 130, .18);
  color: #ffe18c;
  font-size: 1.1rem;
}

.login-visual-points {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.2rem;
  margin-top: 1.5rem;
  color: rgba(255, 255, 255, .84);
  font-size: .82rem;
  font-weight: 650;
}

.login-visual-points i {
  color: #8cf0d2;
  margin-right: .25rem;
}

/* App shell */
.app-shell {
  min-height: 100vh;
}

.app-sidebar {
  position: fixed;
  z-index: 1040;
  top: 0;
  bottom: 0;
  width: 258px;
  padding: 1.5rem 1rem;
  border-right: 1px solid var(--sl-border);
  background: #fff;
}

.app-sidebar .brand-mark {
  padding: 0 .55rem;
}

.sidebar-nav {
  display: grid;
  gap: .28rem;
  margin-top: 2.25rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: .8rem;
  min-height: 46px;
  padding: .65rem .8rem;
  border-radius: 11px;
  color: var(--sl-muted);
  font-size: .91rem;
  font-weight: 700;
}

.sidebar-nav a i {
  width: 20px;
  color: #8493a5;
  font-size: 1.08rem;
  text-align: center;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: var(--sl-primary-soft);
  color: var(--sl-primary);
}

.sidebar-nav a.active i {
  color: var(--sl-primary);
}

.sidebar-bottom {
  position: absolute;
  right: 1rem;
  bottom: 1.5rem;
  left: 1rem;
}

.prototype-side-note {
  padding: .85rem;
  border-radius: var(--sl-radius-sm);
  background: #f4f8fc;
  color: var(--sl-muted);
  font-size: .72rem;
  line-height: 1.5;
}

.prototype-side-note strong {
  display: block;
  margin-bottom: .16rem;
  color: var(--sl-primary);
}

.app-main {
  min-height: 100vh;
  margin-left: 258px;
  padding: 0 2rem 2rem;
}

.app-topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--sl-border);
}

.topbar-title {
  color: var(--sl-muted);
  font-size: .78rem;
  font-weight: 650;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.topbar-icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--sl-border);
  border-radius: 11px;
  background: #fff;
  color: var(--sl-muted);
}

.topbar-icon-btn:hover {
  background: var(--sl-primary-soft);
  color: var(--sl-primary);
}

.profile-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .3rem .45rem;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--sl-text);
  font-size: .82rem;
  font-weight: 750;
}

.profile-dropdown-toggle::after {
  margin-left: .15rem;
}

.avatar,
.avatar-initials {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 50%;
  background: #dcecff;
  object-fit: cover;
}

.avatar-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--sl-primary-dark);
  font-size: .72rem;
  font-weight: 850;
}

.dropdown-menu {
  --bs-dropdown-border-color: var(--sl-border);
  --bs-dropdown-border-radius: 12px;
  --bs-dropdown-link-active-bg: var(--sl-primary);
  box-shadow: var(--sl-shadow);
}

.page-body {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding-top: 2rem;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.page-header h1 {
  margin: 0 0 .4rem;
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  font-weight: 850;
  letter-spacing: -.04em;
}

.page-header p {
  margin: 0;
  color: var(--sl-muted);
  line-height: 1.6;
}

.mobile-bottom-nav {
  display: none;
}

.card,
.stat-card,
.level-card,
.challenge-card,
.achievement-card {
  border-color: var(--sl-border);
  border-radius: var(--sl-radius);
  box-shadow: 0 4px 16px rgba(25, 62, 101, .04);
}

.stat-card {
  height: 100%;
  padding: 1.2rem;
  background: #fff;
}

.stat-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 13px;
  font-size: 1.15rem;
}

.stat-icon.xp { background: var(--sl-gold-soft); color: var(--sl-gold); }
.stat-icon.streak { background: #fff0e6; color: var(--sl-orange); }
.stat-icon.rank { background: var(--sl-primary-soft); color: var(--sl-primary); }
.stat-icon.badge { background: var(--sl-secondary-soft); color: var(--sl-secondary); }

.stat-card small {
  display: block;
  color: var(--sl-muted);
  font-size: .78rem;
  font-weight: 650;
}

.stat-card strong {
  display: block;
  margin-top: .18rem;
  font-size: 1.38rem;
  font-weight: 850;
}

.level-card {
  padding: 1.4rem;
  background: linear-gradient(125deg, #1565a8, #137d88);
  border: 0;
  color: #fff;
}

.level-card h2 {
  margin: 0;
  font-size: 1.22rem;
  font-weight: 850;
}

.level-card p {
  margin: .35rem 0 1rem;
  color: rgba(255, 255, 255, .78);
  font-size: .87rem;
}

.level-card .progress {
  height: 10px;
  background: rgba(255, 255, 255, .22);
}

.level-card .progress-bar {
  border-radius: 999px;
  background: #ffe08c;
}

.level-card .level-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .65rem;
  font-size: .78rem;
  font-weight: 650;
}

.progress-smooth .progress-bar {
  transition: width 1s ease;
}

.section-card-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 850;
}

.section-card-subtitle {
  margin: .3rem 0 0;
  color: var(--sl-muted);
  font-size: .84rem;
}

/* Leaderboard */
.public-leaderboard {
  min-height: 100vh;
  background-color: #e8f8f7;
  background-image: radial-gradient(rgba(83, 165, 145, .25) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
}

.public-leaderboard .page-header,
body[data-page="leaderboard"] .page-header {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 2px solid rgba(99, 189, 114, .24);
  border-radius: var(--sl-radius-lg);
  background:
    radial-gradient(circle at 92% 18%, rgba(255, 255, 255, .72) 0 4.5rem, transparent 4.6rem),
    linear-gradient(135deg, #dff7ee, #fff1d9);
  box-shadow: 0 10px 0 rgba(61, 137, 95, .08);
}

.public-leaderboard .page-header h1,
body[data-page="leaderboard"] .page-header h1 {
  margin-top: .45rem;
  font-size: clamp(2.35rem, 6vw, 3.7rem);
  line-height: .98;
}

.public-leaderboard .page-header p,
body[data-page="leaderboard"] .page-header p {
  max-width: 560px;
  font-size: 1.02rem;
}

.public-leaderboard .page-header .btn-outline-primary {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--sl-secondary);
  --bs-btn-border-color: var(--sl-secondary);
  --bs-btn-hover-bg: #d95d52;
  --bs-btn-hover-border-color: #d95d52;
  padding-inline: 1.2rem;
  box-shadow: 0 5px 0 #c95046;
}

.weekly-toolbar {
  margin-bottom: 1.25rem;
  padding: 1rem;
  border: 1px solid rgba(99, 189, 114, .2);
  border-radius: 20px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 7px 22px rgba(46, 104, 84, .07);
}

.weekly-toolbar .filter-bar {
  margin-bottom: 0;
}

.weekly-toolbar .form-select {
  border-width: 2px;
  border-color: #bde0d2;
  border-radius: 999px;
  background-color: #fff;
}

.weekly-board { background: #fff; border: 2px solid rgba(99, 189, 114, .2); border-radius: 28px; box-shadow: 0 12px 0 rgba(53, 123, 89, .08), 0 24px 50px rgba(46, 104, 84, .08); overflow: hidden; }
.weekly-board-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.5rem; background: linear-gradient(90deg, #fff9e7, #f2fbf4); }
.weekly-count { padding: .45rem .85rem; background: #fff; color: var(--sl-primary-dark); border: 2px solid #cfead4; border-radius: 99px; white-space: nowrap; font-size: .8rem; font-weight: 700; }
.weekly-board .leaderboard-table-wrap { display: block; border: 0; border-radius: 0; box-shadow: none; }
.weekly-table { width: 100%; table-layout: fixed; }
.weekly-table th:first-child { width: 13%; }
.weekly-table th:nth-child(2) { width: 42%; }
.weekly-table th:nth-child(3) { width: 27%; }
.weekly-table th:last-child { width: 18%; }
.weekly-table .student-cell { min-width: 0; }
.weekly-table .student-cell > div { min-width: 0; }
.weekly-table td { overflow-wrap: anywhere; }
.weekly-table .rank-number { min-width: 38px; gap: .25rem; }
.weekly-top-1 .rank-number { background: #fff0a8; color: #8f6500; }
.weekly-top-2 .rank-number { background: #e9eef5; color: #526478; }
.weekly-top-3 .rank-number { background: #ffeadc; color: #9c5426; }
.weekly-table .weekly-top-1 td { background: #fffdf3; }
.weekly-class { font-size: .8rem; color: var(--sl-muted); }
.weekly-xp { color: var(--sl-primary-dark); font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.weekly-board-footer { padding: 1rem 1.5rem; background: #f5fbf7; border-top: 1px solid #e1eee7; color: var(--sl-muted); font-size: .75rem; }

.hall-of-fame {
  margin-bottom: 1.25rem;
  padding: 1.2rem 1.35rem;
  border: 2px solid rgba(99, 189, 114, .2);
  border-radius: 22px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 7px 0 rgba(53, 123, 89, .07);
}

#xp-history-body .progress {
  height: 10px;
  border-radius: 999px;
  background: #e4f2e9;
}

#xp-history-body .progress-bar {
  border-radius: inherit;
  background: linear-gradient(90deg, var(--sl-primary), #8bd397);
}

.student-history-link {
  max-width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--sl-text);
  font: inherit;
  font-weight: 700;
  text-align: left;
}

.student-history-link:hover {
  color: var(--sl-primary-dark);
  text-decoration: underline;
}

.xp-delta {
  display: inline-flex;
  align-items: center;
  gap: .12rem;
  font-size: .7rem;
  font-weight: 800;
  white-space: nowrap;
}

.xp-delta.up { color: #258b4b; }
.xp-delta.down { color: #d84e46; }
.xp-delta.neutral { color: #9aa5b2; }

.hall-of-fame-list {
  display: grid;
  gap: .65rem;
}

.hall-winner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .8rem;
  padding: .75rem;
  border-radius: 16px;
  background: #f5fbf7;
}

.hall-winner small {
  display: block;
  color: var(--sl-muted);
}

.history-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
}

.history-summary > div {
  padding: 1rem;
  border-radius: 16px;
  background: var(--sl-primary-soft);
}

.history-summary small,
.history-summary strong { display: block; }
.history-summary strong { margin-top: .2rem; }

.achievement-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.achievement-chip {
  padding: .4rem .65rem;
  border-radius: 999px;
  background: var(--sl-gold-soft);
  color: #8b6513;
  font-size: .74rem;
  font-weight: 700;
}

.student-todo {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--sl-border);
  border-radius: 16px;
  background: #f8fcf9;
}

.student-todo-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
  margin-bottom: .75rem;
}

.student-todo-heading h3 { margin: 0; font-size: .95rem; font-weight: 800; }
.student-todo-heading p { margin: .2rem 0 0; color: var(--sl-muted); font-size: .72rem; }
.student-todo-heading > span { flex: 0 0 auto; padding: .3rem .55rem; border-radius: 999px; background: var(--sl-primary-soft); color: var(--sl-primary-dark); font-size: .7rem; font-weight: 800; }
.student-todo-sessions { display: grid; gap: 1rem; }
.student-todo-session { overflow: hidden; border: 1px solid var(--sl-border); border-radius: 14px; background: #fff; }
.student-todo-session > header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem .8rem; background: var(--sl-primary-soft); }
.student-todo-session > header div { display: flex; align-items: center; flex-wrap: wrap; gap: .35rem .65rem; }
.student-todo-session > header strong { font-size: .85rem; }
.student-todo-session > header span { color: var(--sl-primary-dark); font-size: .76rem; font-weight: 700; }
.student-todo-session > header small { color: var(--sl-muted); font-size: .68rem; font-weight: 700; white-space: nowrap; }
.student-todo ul { display: grid; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.student-todo-session ul { padding: .55rem; }

.student-todo-item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: .7rem;
  padding: .65rem .75rem;
  border-radius: 12px;
  background: #f8fcf9;
}

.student-todo-item .form-check-input:disabled { opacity: 1; cursor: not-allowed; }
.student-todo-item strong, .student-todo-item small { display: block; }
.student-todo-item small { margin-top: .1rem; color: var(--sl-muted); font-size: .72rem; }
.student-todo-item.completed strong { color: var(--sl-muted); text-decoration: line-through; }

.xp-history-list {
  display: grid;
  gap: .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.xp-history-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .7rem;
  padding: .8rem;
  border: 1px solid var(--sl-border);
  border-radius: 14px;
}

.xp-history-item small { display: block; color: var(--sl-muted); }
.xp-event-icon { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; }
.xp-event-icon.up { color: #258b4b; background: #e7f8ed; }
.xp-event-icon.down { color: #d84e46; background: #fff0ee; }
@media (max-width: 575.98px) {
  .weekly-board-heading { padding: 1rem; }
  .weekly-table th, .weekly-table td { padding: .8rem .4rem; font-size: .72rem; }
  .weekly-table .student-cell .avatar { display: none; }
  .weekly-table .rank-number { min-width: 25px; font-size: .7rem; }
  .weekly-table .rank-number i { display: none; }
  .weekly-class { font-size: .7rem; }
  .weekly-xp { font-size: .95rem; }
}

.public-leaderboard > .container {
  max-width: 960px;
}

body[data-page="leaderboard"] .page-body {
  max-width: 960px;
}

.admin-checklist-table {
  width: 100%;
  table-layout: fixed;
}

.admin-checklist-table th:nth-child(1),
.admin-checklist-table td:nth-child(1) { width: 32%; }
.admin-checklist-table th:nth-child(2),
.admin-checklist-table td:nth-child(2) { width: 25%; }
.admin-checklist-table th:nth-child(3),
.admin-checklist-table td:nth-child(3) { width: 25%; }
.admin-checklist-table th:nth-child(4),
.admin-checklist-table td:nth-child(4) { width: 18%; }

.admin-checklist-table th,
.admin-checklist-table td {
  overflow-wrap: anywhere;
}

.task-copy-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: .75rem;
  padding: .85rem 1rem;
  border: 1px solid var(--sl-border);
  border-radius: 14px;
  background: #f8fcf9;
}

.task-copy-panel > div { min-width: 210px; }
.task-copy-panel small { align-self: center; }
.task-target-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: .75rem;
  padding: .85rem 1rem;
  border: 1px solid var(--sl-border);
  border-radius: 14px;
  background: #f8fcf9;
}
.task-target-panel > div { min-width: 230px; }
.task-target-panel small { align-self: center; }
.task-hot {
  min-height: 220px;
  overflow: hidden;
  border: 1px solid var(--sl-border);
  border-radius: 14px;
}

.task-hot .handsontable th { color: var(--sl-text); font-weight: 700; }
.task-hot .handsontable td { color: var(--sl-text); }
.task-hot .handsontable .htInvalid { background: #fff0ee !important; }

.class-schedule-card {
  display: grid;
  grid-template-columns: minmax(180px, .8fr) minmax(280px, 1.5fr) auto;
  align-items: start;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--sl-border);
  border-radius: 18px;
  background: #fff;
}

.class-schedule-name {
  display: flex;
  align-items: center;
  gap: .75rem;
  align-self: start;
}

.class-schedule-name small {
  display: block;
  margin-top: .15rem;
  color: var(--sl-muted);
}

.class-schedule-icon {
  width: 42px;
  height: 42px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 13px;
  background: var(--sl-primary-soft);
  color: var(--sl-primary-dark);
}

.class-session-times {
  display: grid;
  gap: .5rem;
  counter-reset: session;
}

.class-session-time {
  display: grid;
  grid-template-columns: auto minmax(130px, 1fr) auto;
  align-items: center;
  gap: .5rem;
  counter-increment: session;
}

.class-session-time::before {
  min-width: 3.5rem;
  color: var(--sl-muted);
  font-size: .8rem;
  font-weight: 700;
  content: "Sesi " counter(session);
}

.class-session-time .btn {
  width: 42px;
  min-height: 42px;
  padding: 0;
}

.class-schedule-actions {
  display: grid;
  gap: .45rem;
  padding-top: 1.65rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.5rem;
}

.period-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .38rem;
  padding: .32rem;
  border-radius: 12px;
  background: #eaf0f6;
}

.period-tabs .btn {
  min-height: 34px;
  padding: .35rem .7rem;
  border: 0;
  color: var(--sl-muted);
  font-size: .78rem;
}

.period-tabs .btn.active {
  background: #fff;
  color: var(--sl-primary);
  box-shadow: 0 2px 7px rgba(25, 62, 101, .1);
}

.filter-bar .form-select {
  width: auto;
  min-height: 42px;
  border-color: var(--sl-border);
  border-radius: 11px;
  color: var(--sl-text);
  font-size: .85rem;
  font-weight: 650;
}

.leaderboard-podium {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 1rem;
  margin: 1rem 0 2rem;
}

.podium-card {
  width: min(31%, 230px);
  padding: 1rem .7rem;
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius);
  background: #fff;
  text-align: center;
  box-shadow: 0 5px 16px rgba(25, 62, 101, .06);
}

.podium-first {
  padding-top: 1.45rem;
  border-color: #f2d27f;
  background: linear-gradient(180deg, #fffaf0, #fff);
  box-shadow: 0 12px 27px rgba(189, 132, 20, .15);
}

.podium-medal {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .55rem;
  border-radius: 50%;
  font-size: 1.18rem;
}

.podium-card.rank-1 .podium-medal { background: var(--sl-gold-soft); color: var(--sl-gold); }
.podium-card.rank-2 .podium-medal { background: #edf1f5; color: #778695; }
.podium-card.rank-3 .podium-medal { background: #f9ece2; color: #b26b3b; }

.podium-avatar {
  width: 49px;
  height: 49px;
  margin: 0 auto .55rem;
}

.podium-card h3 {
  overflow: hidden;
  margin: 0;
  color: var(--sl-text);
  font-size: .88rem;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.podium-card p {
  margin: .25rem 0 0;
  color: var(--sl-primary);
  font-size: .78rem;
  font-weight: 800;
}

.podium-place {
  display: inline-block;
  margin-top: .55rem;
  color: var(--sl-muted);
  font-size: .69rem;
  font-weight: 700;
}

.position-alert {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: 1rem;
  padding: .82rem 1rem;
  border: 1px solid #cfe3f2;
  border-radius: 12px;
  background: var(--sl-primary-soft);
  color: var(--sl-primary-dark);
  font-size: .86rem;
  font-weight: 700;
}

.position-alert i {
  font-size: 1.15rem;
}

.leaderboard-table-wrap {
  overflow: hidden;
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius);
  background: #fff;
  box-shadow: 0 4px 16px rgba(25, 62, 101, .04);
}

.leaderboard-table {
  margin: 0;
}

.leaderboard-table th {
  padding: .92rem 1rem;
  border-bottom-color: var(--sl-border);
  background: #eff9f4;
  color: var(--sl-muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.leaderboard-table td {
  padding: .85rem 1rem;
  border-bottom-color: #e5f0ea;
  color: var(--sl-text);
  font-size: .86rem;
  vertical-align: middle;
}

.leaderboard-table tbody tr:last-child td {
  border-bottom: 0;
}

.leaderboard-row-current td {
  background: #eff8f6;
}

.leaderboard-table tbody tr.leaderboard-row-below-target td {
  background: #fff0f0;
}

.leaderboard-table tbody tr.leaderboard-row-below-target:hover td {
  background: #ffe3e3;
}

.leaderboard-mobile-card.below-target {
  background: #fff0f0;
  border-color: #f1aaaa;
}

.rank-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 27px;
  height: 27px;
  border-radius: 10px;
  background: #edf7f1;
  color: var(--sl-muted);
  font-size: .75rem;
  font-weight: 850;
}

.student-cell {
  display: flex;
  align-items: center;
  gap: .7rem;
  min-width: 150px;
}

.student-cell .avatar,
.student-cell .avatar-initials {
  width: 32px;
  height: 32px;
}

.student-cell strong {
  display: block;
  font-size: .85rem;
}

.student-cell small {
  display: block;
  margin-top: .1rem;
  color: var(--sl-muted);
  font-size: .72rem;
}

.level-pill,
.streak-pill {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .28rem .5rem;
  border-radius: 99px;
  background: var(--sl-primary-soft);
  color: var(--sl-primary);
  font-size: .72rem;
  font-weight: 800;
}

.streak-pill {
  background: #fff0e6;
  color: #bc5715;
}

.leaderboard-mobile-list {
  display: none;
}

.leaderboard-mobile-card {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: .7rem;
  padding: .9rem;
  border: 2px solid var(--sl-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 5px 0 rgba(46, 104, 84, .07);
}

.leaderboard-mobile-card.top-rank.rank-1 { border-color: #f2d878; background: #fffdf3; }
.leaderboard-mobile-card.top-rank.rank-2 { border-color: #ccd6e0; }
.leaderboard-mobile-card.top-rank.rank-3 { border-color: #efc6a9; background: #fffaf6; }

.leaderboard-mobile-card.current {
  border-color: #a7d9cc;
  background: #eff8f6;
}

.leaderboard-mobile-card .student-cell {
  flex: 1;
  min-width: 0;
}

.mobile-student-meta {
  display: flex;
  gap: .4rem;
  margin-top: .3rem;
}

/* Challenges, achievement, profile */
.challenge-card {
  height: 100%;
  padding: 1.2rem;
  background: #fff;
}

.challenge-card.completed {
  border-color: #abdcca;
  background: #f3fbf8;
}

.challenge-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--sl-primary-soft);
  color: var(--sl-primary);
  font-size: 1.25rem;
}

.challenge-card:nth-child(even) .challenge-icon,
.challenge-icon.green {
  background: var(--sl-secondary-soft);
  color: var(--sl-secondary);
}

.challenge-card h2,
.challenge-card h3 {
  margin: 1rem 0 .4rem;
  font-size: 1.02rem;
  font-weight: 850;
}

.challenge-card p {
  min-height: 42px;
  margin: 0;
  color: var(--sl-muted);
  font-size: .86rem;
  line-height: 1.55;
}

.challenge-progress-label {
  display: flex;
  justify-content: space-between;
  margin: 1.1rem 0 .45rem;
  color: var(--sl-muted);
  font-size: .76rem;
  font-weight: 750;
}

.challenge-card .progress {
  height: 8px;
  background: #e8eff5;
}

.challenge-card .progress-bar {
  background: var(--sl-secondary);
}

.challenge-reward {
  display: flex;
  align-items: center;
  gap: .35rem;
  margin: 1rem 0;
  color: #a97100;
  font-size: .82rem;
  font-weight: 850;
}

.challenge-reward i {
  color: var(--sl-gold);
}

.achievement-card {
  height: 100%;
  padding: 1.15rem;
  background: #fff;
  cursor: pointer;
}

.achievement-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sl-shadow);
  transition: .2s ease;
}

.achievement-card:focus-visible {
  outline: 3px solid rgba(23, 105, 170, .35);
}

.achievement-locked {
  filter: grayscale(1);
  opacity: .72;
}

.achievement-medal {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--sl-gold-soft);
  color: var(--sl-gold);
  font-size: 1.45rem;
}

.achievement-locked .achievement-medal {
  background: #eef2f5;
  color: #82909f;
}

.achievement-card h3 {
  margin: .9rem 0 .35rem;
  font-size: .98rem;
  font-weight: 850;
}

.achievement-card p {
  margin: 0;
  color: var(--sl-muted);
  font-size: .8rem;
  line-height: 1.55;
}

.achievement-status {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: .8rem;
  color: var(--sl-secondary);
  font-size: .72rem;
  font-weight: 800;
}

.achievement-locked .achievement-status {
  color: var(--sl-muted);
}

.streak-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: .45rem;
  margin-top: 1rem;
}

.streak-day {
  display: grid;
  min-height: 57px;
  place-items: center;
  border-radius: 11px;
  background: #f2f6f9;
  color: var(--sl-muted);
  font-size: .72rem;
  font-weight: 750;
}

.streak-day.active {
  background: #fff0e6;
  color: var(--sl-orange);
}

.streak-day.today {
  outline: 2px solid var(--sl-secondary);
  outline-offset: -2px;
}

.profile-hero {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  padding: 1.5rem;
  border-radius: var(--sl-radius);
  background: linear-gradient(125deg, #1769aa, #147d84);
  color: #fff;
}

.profile-hero .avatar,
.profile-hero .avatar-initials {
  width: 80px;
  height: 80px;
  border: 3px solid rgba(255, 255, 255, .55);
}

.profile-hero h1 {
  margin: 0 0 .25rem;
  font-size: 1.55rem;
  font-weight: 850;
}

.profile-hero p {
  margin: 0;
  color: rgba(255, 255, 255, .8);
  font-size: .88rem;
}

.profile-level {
  display: inline-flex;
  margin-top: .7rem;
  padding: .28rem .55rem;
  border-radius: 99px;
  background: rgba(255, 255, 255, .16);
  font-size: .72rem;
  font-weight: 800;
}

.timeline-list {
  position: relative;
  display: grid;
  gap: 1.1rem;
  margin: 1.2rem 0 0;
  padding: 0 0 0 1.8rem;
  list-style: none;
}

.timeline-list::before {
  position: absolute;
  top: .3rem;
  bottom: .3rem;
  left: .48rem;
  width: 2px;
  background: #dce7f0;
  content: "";
}

.timeline-list li {
  position: relative;
  color: var(--sl-muted);
  font-size: .87rem;
}

.timeline-list li::before {
  position: absolute;
  top: .05rem;
  left: -1.8rem;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sl-secondary);
  color: #fff;
  content: "✓";
  font-size: .67rem;
  font-weight: 850;
}

.timeline-list strong {
  display: block;
  margin-bottom: .15rem;
  color: var(--sl-text);
  font-size: .88rem;
}

.empty-state {
  padding: 3rem 1.5rem;
  border: 1px dashed var(--sl-border);
  border-radius: var(--sl-radius);
  color: var(--sl-muted);
  text-align: center;
}

.empty-state i {
  display: block;
  margin-bottom: .7rem;
  color: var(--sl-primary);
  font-size: 2rem;
}

.toast-container {
  z-index: 1100;
}

.app-toast {
  border: 0;
  border-radius: 14px;
  box-shadow: var(--sl-shadow);
}

.app-toast .toast-header {
  border: 0;
  background: #fff;
  color: var(--sl-text);
  font-weight: 800;
}

.app-toast .toast-body {
  color: var(--sl-muted);
}

.modal-content {
  border: 0;
  border-radius: var(--sl-radius);
  box-shadow: var(--sl-shadow-hover);
}

.modal-header,
.modal-footer {
  border-color: var(--sl-border);
}

.modal-title {
  font-weight: 850;
}

@media (max-width: 991.98px) {
  .class-schedule-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .class-schedule-name {
    grid-column: 1 / -1;
  }

  .login-page {
    display: block;
  }

  .login-panel {
    min-height: 100vh;
  }

  .login-visual {
    display: none;
  }

  .app-sidebar {
    display: none;
  }

  .app-main {
    margin-left: 0;
    padding: 0 1rem 5.7rem;
  }

  .app-topbar {
    min-height: 66px;
  }

  .topbar-title {
    display: none;
  }

  .mobile-bottom-nav {
    position: fixed;
    z-index: 1040;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: space-around;
    padding: .4rem max(.55rem, env(safe-area-inset-right)) calc(.4rem + env(safe-area-inset-bottom)) max(.55rem, env(safe-area-inset-left));
    border-top: 1px solid var(--sl-border);
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 -6px 20px rgba(25, 62, 101, .07);
    backdrop-filter: blur(10px);
  }

  .mobile-bottom-nav a {
    min-width: 53px;
    display: grid;
    place-items: center;
    gap: .15rem;
    padding: .25rem .15rem;
    border-radius: 9px;
    color: var(--sl-muted);
    font-size: .61rem;
    font-weight: 750;
  }

  .mobile-bottom-nav a i {
    font-size: 1.12rem;
  }

  .mobile-bottom-nav a.active {
    color: var(--sl-primary);
  }

  .feature-card-shift {
    margin-top: 0;
  }
}

@media (max-width: 767.98px) {
  .section-space {
    padding: 3.75rem 0;
  }

  .hero-section {
    padding: 4.2rem 0 4rem;
  }

  .hero-dashboard-preview {
    max-width: 410px;
  }

  .page-body {
    padding-top: 1.4rem;
  }

  .page-header {
    display: block;
    margin-bottom: 1.35rem;
  }

  .page-header > * + * {
    margin-top: .85rem;
  }

  .leaderboard-podium {
    gap: .45rem;
  }

  .podium-card {
    width: 33.33%;
    min-width: 0;
    padding: .75rem .35rem;
  }

  .podium-first {
    padding-top: 1rem;
  }

  .podium-medal {
    width: 35px;
    height: 35px;
    margin-bottom: .4rem;
    font-size: 1rem;
  }

  .podium-avatar {
    width: 39px;
    height: 39px;
  }

  .podium-card h3 {
    font-size: .72rem;
  }

  .podium-card p,
  .podium-place {
    font-size: .62rem;
  }

  .leaderboard-table-wrap,
  .weekly-board .leaderboard-table-wrap {
    display: none;
  }

  .leaderboard-mobile-list {
    display: block;
    padding: 0 1rem 1rem;
  }

  .profile-hero {
    align-items: flex-start;
  }

  .filter-bar .form-select {
    width: 100%;
  }
}

@media (max-width: 575.98px) {
  .class-schedule-card {
    grid-template-columns: 1fr;
  }

  .class-schedule-name {
    grid-column: auto;
  }

  .class-schedule-actions .btn:first-child {
    flex: 1;
  }

  .class-schedule-actions {
    padding-top: 0;
  }

  .landing-nav .navbar {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .landing-nav .navbar-collapse {
    padding: .7rem 0 .2rem;
  }

  .hero-section h1 {
    font-size: 2.45rem;
  }

  .hero-copy {
    font-size: .98rem;
  }

  .floating-badge {
    display: none;
  }

  .preview-content {
    padding: .85rem;
  }

  .preview-topbar {
    padding: .8rem;
  }

  .process-card,
  .feature-card {
    padding: 1.35rem;
  }

  .login-panel {
    padding: 1.4rem;
  }

  .login-brand {
    margin-bottom: 1.75rem;
  }

  .login-card h1 {
    font-size: 1.62rem;
  }

  .profile-dropdown-toggle > span:not(.avatar):not(.avatar-initials) {
    display: none;
  }

  .topbar-actions {
    gap: .4rem;
  }

  .page-header h1 {
    font-size: 1.6rem;
  }

  .period-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .period-tabs .btn {
    width: 100%;
  }

  .stat-card {
    padding: 1rem;
  }

  .stat-card strong {
    font-size: 1.18rem;
  }

  .streak-calendar {
    gap: .25rem;
  }

  .streak-day {
    min-height: 45px;
    font-size: .63rem;
  }

  .profile-hero {
    padding: 1.15rem;
    gap: .8rem;
  }

  .profile-hero .avatar,
  .profile-hero .avatar-initials {
    width: 60px;
    height: 60px;
  }

  .profile-hero h1 {
    font-size: 1.22rem;
  }
}