/* ============================================================
   Offers Directory — Styles
   Dark, premium, touch-optimised
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---------- Tokens ---------- */
:root {
  --bg:          #0a0a0f;
  --surface:     #13131f;
  --surface-2:   #1c1c2e;
  --border:      rgba(255,255,255,0.08);
  --border-hover:rgba(255,255,255,0.16);
  --text:        #f0f0f8;
  --text-2:      #8888aa;
  --text-3:      #55556a;
  --accent-1:    #7c3aed;
  --accent-2:    #06b6d4;
  --vivup:       #3b82f6;
  --lebara:      #e5006a;
  --pin:         #fbbf24;
  --green:       #10b981;
  --amber:       #f59e0b;
  --orange:      #f97316;
  --indigo:      #6366f1;
  --purple:      #a855f7;
  --radius:      14px;
  --radius-sm:   8px;
  --shadow:      0 4px 24px rgba(0,0,0,0.5);
  --header-h:    112px;
  --filter-h:    52px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overscroll-behavior-y: none;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select { font-family: inherit; }

/* ---------- Header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px 10px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.header-top h1 {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.offer-count {
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 500;
  margin-left: auto;
  white-space: nowrap;
}

.search-wrap {
  position: relative;
}

#search-input {
  width: 100%;
  height: 44px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: 22px;
  padding: 0 44px 0 16px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}

#search-input::placeholder { color: var(--text-3); }
#search-input:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

.search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 1.1rem;
  padding: 4px;
  display: none;
  line-height: 1;
  min-width: 28px;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.15s;
}
.search-clear:hover { background: var(--border); }
.search-clear.hidden { display: none !important; }

/* ---------- Filter Bar ---------- */
.filter-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 99;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 8px 16px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-bar select,
.filter-bar button,
#btn-open-filters {
  height: 36px;
  border-radius: 18px;
  border: 1.5px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0 14px;
  outline: none;
  white-space: nowrap;
  flex-shrink: 0;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

#btn-open-filters { display: flex; align-items: center; gap: 6px; }
.badge-count {
  background: var(--accent-1);
  color: #fff;
  border-radius: 10px;
  padding: 2px 6px;
  font-size: 0.65rem;
  font-weight: 800;
}
.badge-count.hidden { display: none; }

.filter-bar select { padding-right: 28px; }

.filter-select-wrap {
  position: relative;
  flex-shrink: 0;
}
.filter-select-wrap::after {
  content: '▾';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  color: var(--text-2);
  pointer-events: none;
}

.filter-bar select:focus,
.filter-bar button:focus { border-color: var(--accent-1); }

.filter-bar select.active,
.filter-bar button.active,
#btn-open-filters.active {
  border-color: var(--accent-1);
  background: rgba(124,58,237,0.15);
  color: #c4b5fd;
}

#clear-filters {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.3);
  color: #fca5a5;
  padding: 0 14px;
}
#clear-filters:hover { background: rgba(239,68,68,0.2); }

/* ---------- Filter Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  transition: opacity 0.3s ease;
}
.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}
.modal-content {
  background: var(--surface);
  width: 100%;
  max-width: 500px;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  border: 1px solid var(--border);
  border-bottom: none;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  max-height: 85vh;
}
.modal-overlay:not(.hidden) .modal-content { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.1rem; font-weight: 700; }
.close-btn { background: none; border: none; color: var(--text-2); font-size: 1.2rem; padding: 4px; }

.modal-body {
  padding: 20px;
  overflow-y: auto;
}
.filter-group { margin-bottom: 24px; }
.filter-group h3 { font-size: 0.9rem; color: var(--text-3); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; }

.tickbox-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

.tickbox {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.2s, background 0.2s;
}
.tickbox:has(input:checked) {
  border-color: var(--accent-1);
  background: rgba(124,58,237,0.1);
}
.tickbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-1);
  cursor: pointer;
}
.tick-label { font-size: 0.85rem; font-weight: 600; color: var(--text); }

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

/* ---------- Main ---------- */
main {
  padding: 16px;
  max-width: 1280px;
  margin: 0 auto;
}

/* ---------- Pinned Section ---------- */
.pinned-section {
  background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(6,182,212,0.05));
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 20px;
  animation: fadeIn 0.3s ease;
}

.pinned-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  cursor: pointer;
  user-select: none;
}

.pinned-header-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--pin);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex: 1;
}

.pinned-toggle {
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  transition: transform 0.2s;
}
.pinned-toggle.collapsed { transform: rotate(-90deg); }

#pinned-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
#pinned-grid.collapsed { display: none; }

/* ---------- Results Bar ---------- */
.results-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.results-count {
  font-size: 0.8rem;
  color: var(--text-2);
  font-weight: 500;
}

.sort-wrap {
  margin-left: auto;
  position: relative;
}
.sort-wrap::after {
  content: '⇅';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--text-2);
  pointer-events: none;
}
#sort-select {
  height: 32px;
  border: 1.5px solid var(--border);
  border-radius: 16px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0 28px 0 12px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}
#sort-select:focus { border-color: var(--accent-1); }

/* ---------- Offers Grid ---------- */
.offers-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* ---------- Offer Card ---------- */
.offer-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  animation: cardIn 0.25s ease both;
  position: relative;
  overflow: hidden;
}

.offer-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--card-accent, transparent);
  opacity: 0.04;
  border-radius: var(--radius);
  pointer-events: none;
}

.offer-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.offer-card.pinned {
  border-color: rgba(251,191,36,0.25);
  --card-accent: #fbbf24;
}

/* Card top row */
.card-top {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.card-brand {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  word-break: break-word;
}

.card-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.pin-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-3);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.pin-btn:hover { border-color: var(--pin); color: var(--pin); }
.pin-btn.active { border-color: var(--pin); color: var(--pin); background: rgba(251,191,36,0.1); }

/* Discount badge */
.discount-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.discount-badge.tier-5 { background: rgba(16,185,129,0.18); color: #34d399; border: 1px solid rgba(16,185,129,0.3); }
.discount-badge.tier-4 { background: rgba(132,204,22,0.15); color: #a3e635; border: 1px solid rgba(132,204,22,0.25); }
.discount-badge.tier-3 { background: rgba(245,158,11,0.15); color: #fcd34d; border: 1px solid rgba(245,158,11,0.25); }
.discount-badge.tier-2 { background: rgba(249,115,22,0.15); color: #fb923c; border: 1px solid rgba(249,115,22,0.25); }
.discount-badge.tier-1 { background: rgba(99,102,241,0.15); color: #a5b4fc; border: 1px solid rgba(99,102,241,0.25); }
.discount-badge.free   { background: rgba(168,85,247,0.15); color: #d8b4fe; border: 1px solid rgba(168,85,247,0.25); }

/* Type + source badges row */
.card-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-vivup { background: rgba(59,130,246,0.15); color: #93c5fd; border: 1px solid rgba(59,130,246,0.25); }
.badge-lebara { background: rgba(229,0,106,0.15); color: #f9a8d4; border: 1px solid rgba(229,0,106,0.25); }
.badge-blc { background: rgba(0,123,255,0.15); color: #93c5fd; border: 1px solid rgba(0,123,255,0.25); }
.badge-hsd { background: rgba(6,182,212,0.15); color: #67e8f9; border: 1px solid rgba(6,182,212,0.25); }
.badge-type { background: rgba(255,255,255,0.05); color: var(--text-2); border: 1px solid var(--border); }

/* Card title */
.card-title {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card footer */
.card-footer {
  margin-top: auto;
  padding-top: 4px;
}

.get-offer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  height: 40px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  min-height: 44px;
}
.get-offer-btn:hover { opacity: 0.9; }
.get-offer-btn:active { transform: scale(0.98); }
.get-offer-btn .arrow { font-size: 0.8rem; }

/* ---------- Empty state ---------- */
.empty-state {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-3);
}
.empty-state .icon { font-size: 3rem; display: block; margin-bottom: 12px; }
.empty-state p { font-size: 1rem; font-weight: 500; }
.empty-state span { font-size: 0.85rem; margin-top: 6px; display: block; }

/* ---------- Loading ---------- */
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--text-2);
  font-size: 0.9rem;
  gap: 10px;
}
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-1);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ---------- Install banner ---------- */
.install-banner {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow);
  z-index: 200;
  animation: slideUp 0.3s ease;
  max-width: 480px;
  margin: 0 auto;
}
.install-banner .icon { font-size: 1.5rem; flex-shrink: 0; }
.install-banner .text { flex: 1; }
.install-banner .text strong { display: block; font-size: 0.9rem; }
.install-banner .text small { color: var(--text-2); font-size: 0.78rem; }
.install-btn {
  background: var(--accent-1);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}
.dismiss-btn {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 1.2rem;
  padding: 4px;
  line-height: 1;
}

/* ---------- Animations ---------- */
@keyframes fadeIn { from { opacity:0 } to { opacity:1 } }
@keyframes cardIn { from { opacity:0; transform:translateY(8px) } to { opacity:1; transform:none } }
@keyframes spin { to { transform: rotate(360deg) } }
@keyframes slideUp { from { transform: translateY(20px); opacity:0 } to { transform:none; opacity:1 } }

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .offers-grid, #pinned-grid {
    grid-template-columns: 1fr;
  }
  main { padding: 12px; }
  .header-top h1 { font-size: 1rem; }
}

@media (min-width: 768px) {
  .offers-grid, #pinned-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
  .app-header { padding: 14px 24px 12px; }
  main { padding: 20px 24px; }
  .filter-bar { padding: 8px 24px; }
}

@media (min-width: 1024px) {
  .offers-grid, #pinned-grid {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }