/* RuangAjar Merdeka — Obsidian Matte & Solar Gold UI System */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root,
[data-theme="dark"] {
  --bg: #11110f;
  --bg-elevated: #161613;
  --surface: #1c1c18;
  --surface-2: #252520;
  --surface-3: #2f2f29;
  --text: #f7f6f0;
  --muted: #98978c;
  --subtle: #6e6d64;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(245, 208, 42, 0.38);

  --primary: #f5d02a;
  --primary-hover: #ffe04f;
  --primary-ink: #121210;
  --primary-soft: rgba(245, 208, 42, 0.14);
  --primary-text: #f5d02a;

  --accent: #f59e0b;
  --accent-soft: rgba(245, 208, 42, 0.1);
  --coral: #c9382e;
  --mint: #16a34a;
  --danger: #ef4444;

  --glow-hero: radial-gradient(360px circle at 22% 18%, rgba(245, 208, 42, 0.14), transparent 70%),
               radial-gradient(320px circle at 82% 78%, rgba(245, 208, 42, 0.06), transparent 72%);
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.42);
  --shadow-gold: 0 14px 32px rgba(245, 208, 42, 0.2);
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius: 16px;
  --radius-sm: 12px;
}

[data-theme="light"] {
  --bg: #f3f2eb;
  --bg-elevated: #faf9f5;
  --surface: #ffffff;
  --surface-2: #eceae0;
  --surface-3: #e0ddd0;
  --text: #151512;
  --muted: #66655b;
  --subtle: #8c8a7e;
  --border: rgba(20, 20, 18, 0.09);
  --border-hover: rgba(185, 148, 0, 0.42);

  --primary: #f5d02a;
  --primary-hover: #ecc417;
  --primary-ink: #121210;
  --primary-soft: rgba(245, 208, 42, 0.25);
  --primary-text: #7a6000;

  --accent: #d97706;
  --accent-soft: rgba(245, 208, 42, 0.18);
  --coral: #c9382e;
  --mint: #16a34a;
  --danger: #dc2626;

  --glow-hero: radial-gradient(400px circle at 18% 12%, rgba(245, 208, 42, 0.22), transparent 68%);
  --shadow: 0 10px 28px rgba(20, 20, 16, 0.07);
  --shadow-gold: 0 14px 28px rgba(215, 175, 10, 0.24);
}

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

html,
body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  background-image: var(--glow-hero);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

svg {
  flex-shrink: 0;
}

/* ================= LAYAR LOGIN ================= */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 430px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: -70px;
  right: -70px;
  width: 190px;
  height: 190px;
  background: radial-gradient(circle, rgba(245, 208, 42, 0.22), transparent 70%);
  pointer-events: none;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 18px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 15px;
  background: var(--primary);
  color: var(--primary-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-gold);
}

.brand-title {
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 500;
}

/* ================= STRUKTUR UTAMA APP ================= */
.app-layout {
  display: none;
  min-height: 100vh;
  grid-template-columns: 256px 1fr;
}

.app-layout.active {
  display: grid;
}

/* SIDEBAR DESKTOP & DRAWER HP */
.sidebar {
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 2px 10px 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}

.nav-group-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--subtle);
  font-weight: 700;
  padding: 12px 12px 4px;
}

.nav-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 13px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all 0.16s ease;
}

.nav-btn-left {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.nav-btn:hover {
  background: var(--surface);
  color: var(--text);
}

.nav-btn.active {
  background: var(--primary);
  color: var(--primary-ink);
  font-weight: 700;
  box-shadow: var(--shadow-gold);
}

.nav-badge {
  font-size: 0.71rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-weight: 700;
}

.nav-btn.active .nav-badge {
  background: rgba(18, 18, 16, 0.16);
  color: var(--primary-ink);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* AREA KONTEN UTAMA */
.main-area {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* HEADER ATAS ALA MOBILE APP STUDIO */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(17, 17, 15, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

[data-theme="light"] .mobile-header {
  background: rgba(243, 242, 235, 0.88);
}

.icon-circle-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.top-center-emblem {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: var(--primary);
  color: var(--primary-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-gold);
}

.top-right-cluster {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px 6px 4px 4px;
  border-radius: 999px;
}

.coral-pill-count {
  background: var(--coral);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.theme-icon-btn {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.content-wrap {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* ================= KOMPONEN KHAS REFERENSI STUDIO ================= */

/* 1. PILL SEARCH BAR */
.studio-search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 13px 18px;
  margin-bottom: 22px;
  box-shadow: var(--shadow);
  transition: border-color 0.16s ease;
}

.studio-search-bar:focus-within {
  border-color: var(--primary);
}

.studio-search-bar input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.94rem;
  font-weight: 500;
}

.studio-search-bar input::placeholder {
  color: var(--muted);
}

.studio-search-submit {
  background: transparent;
  border: none;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* 2. SECTION LABEL ROW (kaya "Your Stats (>)" & "Todays Bookings [06]") */
.section-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.section-head-left {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.section-head-row h2 {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.count-pill-dark {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}

.round-chevron-btn {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.round-chevron-btn:hover {
  border-color: var(--primary);
  color: var(--text);
}

/* 3. BENTO STATS GRID (Kartu Kuning Solar + Kartu Matte Gelap) */
.bento-stats-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}

.bento-card {
  border-radius: var(--radius-xl);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 148px;
  position: relative;
  transition: transform 0.16s ease;
}

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

.bento-card.gold {
  background: var(--primary);
  color: var(--primary-ink);
  box-shadow: var(--shadow-gold);
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
}

.bento-card.matte {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.bento-top-title {
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.bento-top-sub {
  font-size: 0.78rem;
  opacity: 0.72;
  margin-top: 2px;
  font-weight: 500;
}

.bento-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
}

.bento-big-num {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.bento-circle-up {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: #ffffff;
  color: var(--mint);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.bento-mini-arrow {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 4. KALENDER KAPSUL MINGGUAN (Persis layar kanan referensi!) */
.calendar-studio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow);
}

.cal-month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.cal-month-title {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.cal-days-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.cal-day-pill {
  border-radius: 999px;
  padding: 12px 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.16s ease;
}

.cal-day-pill .d-let {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.cal-day-pill .d-num {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--text);
}

.cal-day-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-ink);
  box-shadow: var(--shadow-gold);
}

.cal-day-pill.active .d-num {
  color: var(--primary-ink);
}

/* 5. SLOT ARSIR "PREP TIME" & TICKET CARDS (Persis kartu jadwal referensi!) */
.hatched-prep-slot {
  background: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.02) 8px,
    rgba(255, 255, 255, 0.05) 8px,
    rgba(255, 255, 255, 0.05) 16px
  );
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 13px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 12px;
}

[data-theme="light"] .hatched-prep-slot {
  background: repeating-linear-gradient(
    -45deg,
    rgba(20, 20, 18, 0.02),
    rgba(20, 20, 18, 0.02) 8px,
    rgba(20, 20, 18, 0.05) 8px,
    rgba(20, 20, 18, 0.05) 16px
  );
}

.quick-plus-slot {
  width: 100%;
  background: var(--accent-soft);
  border: 1px dashed var(--border-hover);
  border-radius: 18px;
  padding: 13px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.15s ease;
}

.quick-plus-slot:hover {
  background: var(--primary-soft);
}

.plus-badge-white {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: #ffffff;
  color: #121210;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

/* TICKET CARD (dengan Dual-Pill Kuning khas referensi) */
.ticket-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ticket-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
  transition: border-color 0.16s ease;
}

.ticket-card:hover {
  border-color: var(--border-hover);
}

.ticket-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.dual-gold-pill {
  display: inline-flex;
  align-items: center;
  background: var(--primary);
  color: var(--primary-ink);
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  overflow: hidden;
}

.dual-gold-pill span {
  padding: 4px 11px;
}

.dual-gold-pill span + span {
  background: rgba(18, 18, 16, 0.11);
  border-left: 1px solid rgba(18, 18, 16, 0.14);
}

.ref-code-tag {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.ticket-title {
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.35;
}

.ticket-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.guru-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.guru-avatar {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--surface-3);
  border: 1.5px solid var(--primary);
  color: var(--primary-text);
  font-size: 0.72rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

[data-theme="dark"] .guru-avatar {
  color: var(--primary);
}

.guru-chip-text {
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.detail-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

/* ================= KOMPONEN UMUM & FORM ================= */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-header h1 {
  font-size: 1.42rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.page-header p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.card h2 {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}

.card p.sub {
  font-size: 0.86rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.field label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.15s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.field textarea {
  min-height: 88px;
  resize: vertical;
}

.checkbox-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.check-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 0.81rem;
  font-weight: 600;
  cursor: pointer;
}

.check-pill input {
  accent-color: var(--primary);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.87rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:active {
  transform: scale(0.985);
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-ink);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-accent {
  background: var(--surface-3);
  color: var(--text);
  border-color: var(--border-hover);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.28);
}

[data-theme="light"] .btn-danger {
  color: #dc2626;
}

/* ================= WIZARD STEPPER ================= */
.wizard-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.wiz-tab {
  padding: 12px 15px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.wiz-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-ink);
  box-shadow: var(--shadow-gold);
}

.wiz-pane {
  display: none;
}

.wiz-pane.active {
  display: block;
}

/* PRATINJAU KERTAS MODUL A4 (Tetap Putih Bersih Siap Cetak!) */
.paper-preview {
  background: #ffffff;
  color: #0f172a;
  border: 1px solid #cbd5e1;
  border-radius: 16px;
  padding: 28px 24px;
  font-size: 0.88rem;
  line-height: 1.6;
  max-height: 540px;
  overflow-y: auto;
  margin-top: 16px;
}

.paper-preview h3 {
  text-align: center;
  font-size: 1.05rem;
  color: #111827;
  margin-bottom: 4px;
}

.paper-preview .sec-head {
  background: #fef9c3;
  color: #1e293b;
  border-left: 4px solid #eab308;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 6px;
  margin: 16px 0 8px;
}

.paper-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
  font-size: 0.84rem;
}

.paper-table th,
.paper-table td {
  border: 1px solid #cbd5e1;
  padding: 7px 9px;
  text-align: left;
  vertical-align: top;
}

.paper-preview .paper-table th,
.paper-preview .paper-table td {
  color: #0f172a;
}

.paper-preview .paper-table th {
  background: #f8fafc;
  width: 32%;
}

/* TABEL RAPOR DALAM DARK/LIGHT MODE */
.rapor-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.rapor-table th,
.rapor-table td {
  border-bottom: 1px solid var(--border);
  padding: 11px 10px;
  text-align: left;
  vertical-align: top;
}

.rapor-table th {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--surface-2);
}

/* ================= LIBRARY KARTU & MODAL ================= */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  font-family: inherit;
  font-size: 0.79rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.14s ease;
}

.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-ink);
  box-shadow: var(--shadow-gold);
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.lib-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: border-color 0.16s ease, transform 0.14s ease;
}

.lib-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.lib-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.73rem;
  font-weight: 700;
}

.cat-tag {
  background: var(--primary);
  color: var(--primary-ink);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 800;
}

.jenjang-tag {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 3px 9px;
  border-radius: 999px;
}

.lib-card h3 {
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.38;
}

.lib-card p {
  font-size: 0.83rem;
  color: var(--muted);
  flex: 1;
}

.lib-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 0.77rem;
  font-weight: 700;
  color: var(--muted);
}

/* MODAL DETAIL ITEM */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(8, 8, 7, 0.76);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-box {
  width: 100%;
  max-width: 640px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow);
}

.example-box {
  background: var(--surface-2);
  border-left: 4px solid var(--primary);
  padding: 14px;
  border-radius: 12px;
  font-size: 0.88rem;
  white-space: pre-line;
  margin: 10px 0 14px;
}

.toast {
  position: fixed;
  bottom: 92px;
  right: 20px;
  z-index: 90;
  background: var(--primary);
  color: var(--primary-ink);
  padding: 12px 18px;
  border-radius: 14px;
  font-size: 0.85rem;
  font-weight: 800;
  box-shadow: var(--shadow-gold);
  display: none;
}

.sidebar-overlay {
  display: none;
}

/* FLOATING YELLOW '+' FAB & BOTTOM NAV BAR (KHUSUS HP <= 880px) */
.mobile-fab {
  display: none;
}

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

@media (max-width: 880px) {
  .app-layout.active {
    display: block;
  }

  .mobile-header {
    display: flex;
  }

  .sidebar {
    position: fixed;
    left: -285px;
    top: 0;
    bottom: 0;
    width: 272px;
    z-index: 65;
    transition: left 0.22s ease;
  }

  .sidebar.open {
    left: 0;
  }

  .sidebar-overlay.open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 60;
    background: rgba(0, 0, 0, 0.62);
    backdrop-filter: blur(3px);
  }

  .bento-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .bento-card {
    min-height: 136px;
    padding: 16px;
    border-radius: 22px;
  }

  .bento-big-num {
    font-size: 1.9rem;
  }

  .grid-2,
  .grid-3,
  .wizard-steps {
    grid-template-columns: 1fr;
  }

  .content-wrap {
    padding: 16px 14px 116px;
  }

  .paper-preview {
    padding: 16px 12px;
  }

  .mobile-fab {
    position: fixed;
    right: 16px;
    bottom: 84px;
    z-index: 45;
    width: 52px;
    height: 52px;
    border-radius: 17px;
    background: var(--primary);
    color: var(--primary-ink);
    border: 4px solid var(--bg);
    box-shadow: var(--shadow-gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    background: rgba(24, 24, 20, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-top: 1px solid var(--border);
    border-radius: 24px 24px 0 0;
    padding: 8px 10px 12px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
  }

  [data-theme="light"] .mobile-bottom-nav {
    background: rgba(255, 255, 255, 0.94);
  }

  .m-tab-btn {
    border: none;
    background: transparent;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 6px 4px;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    position: relative;
  }

  .m-tab-btn.active {
    color: var(--text);
    font-weight: 700;
    background: radial-gradient(44px circle at 50% 95%, rgba(245, 208, 42, 0.28), transparent 75%);
  }

  .m-tab-btn.active svg {
    color: var(--primary);
  }

  [data-theme="light"] .m-tab-btn.active svg {
    color: #b48a00;
  }
}