/* ============================================================
   RepoMed — subject.css
   Dynamic Subject Page Styles
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap");

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Brand colours */
  --grad-start: #1a2a8e;
  --grad-end: #9b59d0;
  --accent: #5b4cf5;
  --accent-light: #ede9fe;
  --accent-mid: #a78bfa;

  /* Neutral palette */
  --white: #ffffff;
  --surface: #f6f7fb;
  --border: #e4e6ef;
  --border-strong: #d0d3e8;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --tag-bg: #f1f5f9;
  --tag-text: #475569;

  /* Type chip colours */
  --chip-laq: #dbeafe;
  --chip-laq-text: #1d4ed8;
  --chip-saq: #dcfce7;
  --chip-saq-text: #15803d;
  --chip-vsq: #fef9c3;
  --chip-vsq-text: #854d0e;
  --chip-case: #fce7f3;
  --chip-case-text: #be185d;
  --chip-default: #f1f5f9;
  --chip-default-text: #475569;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.07);
  --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 40px rgba(15, 23, 42, 0.1);
  --shadow-hero: 0 8px 32px rgba(0, 0, 0, 0.18);

  /* Radii */
  --r-pill: 9999px;
  --r-xl: 28px;
  --r-lg: 18px;
  --r-md: 12px;
  --r-sm: 8px;

  /* Typography */
  --font-display: "Sora", sans-serif;
  --font-body: "DM Sans", sans-serif;

  /* Transitions */
  --tx-fast: 0.15s ease;
  --tx-base: 0.22s ease;
  --tx-slow: 0.35s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden; /* prevent any horizontal scroll on the page */
  display: flex;
  flex-direction: column;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(
    135deg,
    var(--grad-start) 0%,
    var(--grad-end) 100%
  );
  border-radius: 0 0 var(--r-xl) var(--r-xl);
  padding-bottom: 52px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 72% 40%,
      rgba(185, 140, 255, 0.18) 0%,
      transparent 55%
    ),
    radial-gradient(
      ellipse at 18% 75%,
      rgba(100, 155, 255, 0.13) 0%,
      transparent 50%
    );
  pointer-events: none;
}

/* NAV PILL */
.nav-pill {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 9px 10px 9px 22px;
  margin: 22px 26px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow-hero);
  position: relative;
  z-index: 10;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  padding: 0;
  transition: color var(--tx-fast);
}

.nav-link:hover {
  color: var(--grad-start);
  text-decoration: underline;
}

.auth-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-menu.hidden {
  display: none;
}

.user-email {
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 12px;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--r-pill);
}

.logout-link {
  background: var(--text-primary);
  color: var(--white);
  border: none;
  border-radius: var(--r-pill);
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--tx-fast);
}

.logout-link:hover {
  background: #1e293b;
  transform: translateY(-1px);
}

.btn-dark {
  background: var(--text-primary);
  color: var(--white);
  border: none;
  border-radius: var(--r-pill);
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition:
    background var(--tx-fast),
    transform var(--tx-fast);
  white-space: nowrap;
}
.btn-dark:hover {
  background: #1e293b;
  transform: translateY(-1px);
}
.btn-dark:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-pill);
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition:
    background var(--tx-fast),
    border-color var(--tx-fast);
  white-space: nowrap;
  position: relative;
}
.btn-ghost:hover {
  background: var(--tag-bg);
  border-color: var(--accent-mid);
}
.btn-ghost[aria-expanded="true"] {
  background: var(--accent-light);
  border-color: var(--accent-mid);
  color: var(--accent);
}

.filter-badge {
  display: none;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--r-pill);
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.filter-badge.visible {
  display: inline-flex;
}

/* HERO CONTENT */
.hero-content {
  text-align: center;
  padding: 48px 24px 0;
  position: relative;
  z-index: 5;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(60px, 10vw, 100px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -3px;
  line-height: 1;
  margin-bottom: 24px;
  animation: fadeUp 0.5s ease both;
}

.hero-subtitle {
  font-size: 15px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.75;
  animation: fadeUp 0.5s 0.1s ease both;
}
.hero-subtitle strong {
  color: rgba(255, 255, 255, 0.88);
  font-weight: 500;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   LAYOUT
   ============================================================ */
.page-body {
  flex: 1;
  padding-bottom: 64px;
  overflow-x: hidden;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 22px;
  /* Hard-stop any child overflow from escaping the viewport */
  overflow-x: hidden;
  width: 100%;
  box-sizing: border-box;
}

/* ============================================================
   TOP BAR (Search + Sort)
   ============================================================ */
.top-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 40px 0 16px;
  flex-wrap: wrap;
}

/* SEARCH */
.search-wrapper {
  position: relative;
  flex: 1;
  min-width: 220px;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-bar {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 13px 44px 13px 46px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  outline: none;
  transition:
    border-color var(--tx-fast),
    box-shadow var(--tx-fast);
}
.search-bar::placeholder {
  color: var(--text-muted);
}
.search-bar:focus {
  border-color: var(--accent-mid);
  box-shadow:
    0 0 0 3px rgba(167, 139, 250, 0.18),
    var(--shadow-sm);
}

/* Clear button (inside search) */
.search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--tag-bg);
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background var(--tx-fast);
}
.search-clear:hover {
  background: var(--border);
}

/* SORT */
.sort-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.sort-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.sort-select {
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--white);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  outline: none;
  transition: border-color var(--tx-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}
.sort-select:focus {
  border-color: var(--accent-mid);
}

/* ============================================================
   FILTER PANEL (collapsible)
   ============================================================ */
.filter-panel {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  /* Clip the panel to its own box so chips don't escape the screen.
     The chip-scroll-wrap inside handles its own overflow-x:auto. */
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  /* Use width constraints so the panel never exceeds its parent */
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  transition:
    max-height var(--tx-slow),
    opacity var(--tx-base),
    margin var(--tx-base);
  margin-bottom: 0;
}
.filter-panel.open {
  max-height: 2000px; /* large enough for any number of chip rows */
  opacity: 1;
  pointer-events: auto;
  margin-bottom: 20px;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px 20px;
  padding: 22px 24px;
  /* Prevent grid from overflowing its panel container */
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.filter-group--type {
  grid-column: 1 / -1;
}
.filter-group--reset {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  grid-column: 1 / -1;
}

.filter-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
}

.filter-select {
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  padding: 9px 30px 9px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface);
  cursor: pointer;
  outline: none;
  transition:
    border-color var(--tx-fast),
    background var(--tx-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.filter-select:focus {
  border-color: var(--accent-mid);
  background: var(--white);
}
.filter-select:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Type Chips */
.type-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.type-chip {
  border: 1.5px solid var(--border);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: var(--white);
  color: var(--text-secondary);
  transition: all var(--tx-fast);
  user-select: none;
}
.type-chip:hover {
  border-color: var(--accent-mid);
  color: var(--accent);
  background: var(--accent-light);
}
.type-chip.active {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

/* Reset button */
.btn-reset {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: var(--r-pill);
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--tx-fast);
}
.btn-reset:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: #fff1f2;
}

/* ============================================================
   RESULTS META
   ============================================================ */
.results-meta {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 16px;
  min-height: 20px;
}

.results-meta strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================================
   LOADING STATE
   ============================================================ */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 80px 0;
  color: var(--text-muted);
  font-size: 15px;
}
.loading-state[hidden] {
  display: none;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 72px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.empty-state[hidden] {
  display: none;
}

.empty-icon {
  font-size: 44px;
  margin-bottom: 8px;
}
.empty-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}
.empty-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* ============================================================
   QUESTION CARDS
   ============================================================ */
.questions-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.q-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px 22px 18px;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--tx-base),
    box-shadow var(--tx-base),
    border-color var(--tx-base);
  animation: cardIn 0.25s ease both;
  position: relative;
}
.q-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger animation on first render */
.q-card:nth-child(1) {
  animation-delay: 0.03s;
}
.q-card:nth-child(2) {
  animation-delay: 0.06s;
}
.q-card:nth-child(3) {
  animation-delay: 0.09s;
}
.q-card:nth-child(4) {
  animation-delay: 0.12s;
}
.q-card:nth-child(5) {
  animation-delay: 0.15s;
}
.q-card:nth-child(n + 6) {
  animation-delay: 0.18s;
}

/* Card header row */
.q-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 11px;
  flex-wrap: wrap;
}

.q-card-title {
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
  line-height: 1.35;
}

.q-card-meta-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* Marks pill */
.pill-marks {
  background: var(--accent-light);
  color: var(--accent);
  border-radius: var(--r-pill);
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

/* Type pill — colour coded */
.pill-type {
  border-radius: var(--r-pill);
  padding: 3px 10px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  white-space: nowrap;
}
.pill-type--laq {
  background: var(--chip-laq);
  color: var(--chip-laq-text);
}
.pill-type--saq {
  background: var(--chip-saq);
  color: var(--chip-saq-text);
}
.pill-type--vsq {
  background: var(--chip-vsq);
  color: var(--chip-vsq-text);
}
.pill-type--case {
  background: var(--chip-case);
  color: var(--chip-case-text);
}
.pill-type--default {
  background: var(--chip-default);
  color: var(--chip-default-text);
}

/* Question text */
.q-card-question {
  font-size: 14.5px;
  color: var(--text-primary);
  line-height: 1.65;
  margin-bottom: 14px;
  font-style: italic;
}

/* Highlight search matches */
.q-highlight {
  background: #fef08a;
  color: #713f12;
  border-radius: 3px;
  padding: 0 2px;
}

/* Card footer tags row */
.q-card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--tag-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 4px 11px;
  font-size: 12px;
  font-weight: 500;
  color: var(--tag-text);
  white-space: nowrap;
}

.tag-arrow {
  color: var(--text-muted);
  font-size: 11px;
}

.tag-college {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
  font-size: 11.5px;
  margin-left: auto;
  padding-right: 0;
}

.tag-exam {
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--surface);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--white);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
  margin-top: auto;
}
.footer-text {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: color var(--tx-fast);
}
.footer-link:hover {
  color: var(--grad-end);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 760px) {
  .filter-grid {
    grid-template-columns: 1fr 1fr;
  }
  .filter-group--type {
    grid-column: 1 / -1;
  }
  .filter-group--reset {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
  /* filter-panel max-height not overridden here — let the 2000px base rule handle it */

  .top-bar {
    flex-direction: column;
    align-items: stretch;
    margin: 28px 0 14px;
  }
  .sort-wrapper {
    justify-content: flex-end;
  }

  .nav-pill {
    margin: 16px 16px 0;
    padding: 8px 10px 8px 16px;
  }

  .nav-center {
    gap: 16px;
  }

  .nav-link {
    font-size: 13px;
  }

  .auth-menu {
    gap: 6px;
  }

  .user-email {
    font-size: 12px;
    padding: 6px 10px;
  }

  .hero-title {
    font-size: clamp(48px, 12vw, 70px);
    letter-spacing: -2px;
  }
  .hero-content {
    padding: 36px 16px 0;
  }
  .hero {
    padding-bottom: 40px;
  }

  .q-card-header {
    flex-direction: column;
    gap: 8px;
  }
  .q-card-meta-pills {
    align-self: flex-start;
  }
}

@media (max-width: 480px) {
  .filter-grid {
    grid-template-columns: 1fr;
  }
  .container {
    padding: 0 14px;
  }
  .footer {
    padding: 16px 18px;
  }

  .nav-pill {
    margin: 12px 12px 0;
    padding: 8px 8px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-brand {
    font-size: 13px;
    flex: 0 0 100%;
  }

  .nav-center {
    gap: 12px;
    flex: 0 0 100%;
    justify-content: center;
  }

  .nav-link {
    font-size: 12px;
  }

  .nav-actions {
    flex: 0 0 100%;
    justify-content: center;
    gap: 6px;
  }

  .btn-ghost span:not(.filter-badge) {
    display: none;
  } /* hide text, keep icon */
  .sort-label {
    display: none;
  }
  .q-card {
    padding: 16px 16px 14px;
  }
}

/* ============================================================
   v3 ADDITIONS
   — Scrollable chip rows, preset year buttons, export modal
   ============================================================ */

/* Filter label row with inline preset buttons */
.filter-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-label-hint {
  font-size: 10px;
  font-weight: 400;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
  margin-left: 4px;
}

/* Preset year quick-select buttons */
.preset-btns {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.btn-preset {
  background: var(--accent-light);
  color: var(--accent);
  border: 1.5px solid var(--accent-mid);
  border-radius: var(--r-pill);
  padding: 4px 12px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--tx-fast),
    transform var(--tx-fast);
  white-space: nowrap;
}
.btn-preset:hover {
  background: var(--accent);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-preset:active {
  transform: translateY(0);
}

/* Full-width filter group rows */
.filter-group--full {
  grid-column: 1 / -1;
  min-width: 0; /* critical: prevents grid blowout on chip scroll rows */
  max-width: 100%;
  overflow: hidden; /* clip at the group boundary before chip-scroll-wrap takes over */
}

/* Scrollable horizontal chip strip */
.chip-scroll-wrap {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch; /* smooth momentum scroll on iOS */
  width: 100%;
  max-width: 100%; /* never exceed the grid cell */
  min-width: 0; /* prevent flex child from overflowing parent */
  padding-bottom: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.chip-scroll-wrap::-webkit-scrollbar {
  height: 4px;
}
.chip-scroll-wrap::-webkit-scrollbar-track {
  background: transparent;
}
.chip-scroll-wrap::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

/* !important guarantees nowrap is never overridden by any
   responsive media query rule at any breakpoint */
.chip-scroll-wrap .type-chips {
  flex-wrap: nowrap !important;
  width: max-content; /* let content define width so scroll activates */
  min-width: 100%; /* still fill container when all chips fit */
  padding-bottom: 2px;
}

/* ============================================================
   EXPORT MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 28px 28px 24px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.2);
  animation: modalIn 0.2s ease both;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.modal-close {
  background: var(--tag-bg);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background var(--tx-fast);
}
.modal-close:hover {
  background: var(--border);
}

.modal-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-export-opt {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--r-lg);
  border: 1.5px solid var(--border);
  cursor: pointer;
  font-family: var(--font-body);
  text-align: left;
  background: var(--surface);
  transition: all var(--tx-fast);
}
.btn-export-opt:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-export-opt span {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.btn-export-opt strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.btn-export-opt small {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

.btn-export-pdf {
  border-color: #fca5a5;
  background: #fff5f5;
}
.btn-export-pdf svg {
  color: #ef4444;
}
.btn-export-pdf:hover {
  border-color: #ef4444;
  background: #fff1f2;
}

.btn-export-csv {
  border-color: #86efac;
  background: #f0fdf4;
}
.btn-export-csv svg {
  color: #16a34a;
}
.btn-export-csv:hover {
  border-color: #16a34a;
  background: #f0fdf4;
}

/* filter-panel max-height is set in the main rule above (2000px) */

/* Responsive tweak for modal */
@media (max-width: 480px) {
  .modal-box {
    padding: 22px 18px 20px;
  }
  .preset-btns {
    flex-wrap: wrap;
  }
}