:root {
  --bg: #0d0e12;
  --bg-elev: #16181f;
  --bg-elev-2: #1d2029;
  --border: #2a2e3a;
  --text: #e8e8ea;
  --text-dim: #9095a0;
  --gold: #d4a24c;
  --gold-soft: #b88836;
  --red: #e54b4b;
  --green: #44c87a;
  --yellow: #f0b929;
  --blue: #5b8def;
  --shadow: 0 6px 24px rgba(0,0,0,0.45);
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top, #181a23 0%, #0a0b0f 70%);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ---------- Lock screen ---------- */
.lock-screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at center, #1a1c25 0%, #07080b 80%);
  z-index: 100;
  padding: 24px;
}
.lock-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
  width: 100%; max-width: 380px;
  box-shadow: var(--shadow);
  text-align: center;
}
.banner { color: var(--gold); letter-spacing: 4px; text-transform: uppercase; font-size: 12px; margin-bottom: 8px; }
.movie-title {
  margin: 0 0 6px;
  font-size: 36px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: linear-gradient(180deg, #fff 0%, #b88836 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lock-sub { color: var(--text-dim); margin: 0 0 24px; font-size: 14px; }
#lock-form { display: flex; flex-direction: column; gap: 12px; }
#lock-form input, #lock-form button {
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text);
}
#lock-form input:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
#lock-form button {
  background: var(--gold);
  color: #1a1206;
  font-weight: 700;
  cursor: pointer;
  border: none;
  letter-spacing: 1px;
  text-transform: uppercase;
}
#lock-form button:hover { background: var(--gold-soft); }
.lock-error { color: var(--red); margin-top: 12px; min-height: 20px; font-size: 14px; }

/* ---------- App layout ---------- */
.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.header {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(212,162,76,0.08), rgba(229,75,75,0.04));
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.brand .banner-small {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 11px;
}
.brand .title {
  margin: 4px 0 0;
  font-size: 28px;
  letter-spacing: 1px;
}
.brand .subtitle { color: var(--text-dim); font-weight: 400; font-size: 16px; }

.total-block { text-align: right; }
.total-label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 2px; }
.total-amount {
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(180deg, #fff, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 4px 0;
}
.total-meta { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.pill {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text-dim);
}
.pill.paid { border-color: rgba(68,200,122,0.4); color: var(--green); }
.pill.unpaid { border-color: rgba(229,75,75,0.4); color: var(--red); }
.pill.pending { border-color: rgba(240,185,41,0.4); color: var(--yellow); }

.header-actions { display: flex; gap: 8px; }

.btn {
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: #252836; }
.btn-primary {
  background: var(--gold);
  color: #1a1206;
  border: none;
}
.btn-primary:hover { background: var(--gold-soft); }
.btn-ghost { background: transparent; }
.btn-danger { color: var(--red); border-color: rgba(229,75,75,0.4); }
.btn-danger:hover { background: rgba(229,75,75,0.1); }

/* ---------- Filters ---------- */
.filters-toggle-bar {
  display: none;
  margin-bottom: 12px;
}
.filters-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  justify-content: center;
}
.filters-toggle .toggle-icon { font-size: 16px; }
.filters-count {
  background: var(--gold);
  color: #1a1206;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
}

.filters {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr) repeat(2, 1fr) auto;
  gap: 10px;
  padding: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 20px;
}
.filters.collapsed { display: none; }
.input {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  width: 100%;
}
.input:focus { outline: 2px solid var(--gold); border-color: var(--gold); }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform .12s, border-color .12s;
}
.card:hover { transform: translateY(-2px); border-color: var(--gold); }

.card-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 8px;
}
.card-title { font-size: 16px; font-weight: 700; margin: 0; flex: 1; }
.status-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.status-paid { background: rgba(68,200,122,0.15); color: var(--green); }
.status-unpaid { background: rgba(229,75,75,0.15); color: var(--red); }
.status-pending { background: rgba(240,185,41,0.15); color: var(--yellow); }

.card-desc { color: var(--text-dim); font-size: 13px; margin: 8px 0 12px; line-height: 1.4; }

.card-amount { font-size: 24px; font-weight: 800; color: var(--gold); margin: 4px 0 12px; }

.card-meta {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; color: var(--text-dim);
  border-top: 1px dashed var(--border);
  padding-top: 10px;
  margin-top: auto;
}
.card-meta .meta-row { display: flex; justify-content: space-between; gap: 8px; }
.card-meta .meta-row strong { color: var(--text); font-weight: 500; }

.card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.tag-chip {
  font-size: 11px; color: var(--blue);
  background: rgba(91,141,239,0.1);
  border: 1px solid rgba(91,141,239,0.3);
  padding: 2px 8px; border-radius: 999px;
}
.cat-chip {
  font-size: 11px; color: var(--gold);
  background: rgba(212,162,76,0.1);
  border: 1px solid rgba(212,162,76,0.3);
  padding: 2px 8px; border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 8px;
}

.card-actions {
  display: flex; gap: 8px; margin-top: 12px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.card-actions .btn { padding: 6px 10px; font-size: 12px; flex: 1; }
.bill-link {
  font-size: 12px; color: var(--blue);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}
.bill-link:hover { text-decoration: underline; }

.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 40px;
  background: var(--bg-elev);
  border: 1px dashed var(--border);
  border-radius: 12px;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
}
.modal-body {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%; max-width: 560px;
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow);
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { margin: 0; font-size: 18px; }
.icon-btn {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-dim);
  cursor: pointer;
  line-height: 1;
}
.icon-btn:hover { color: var(--text); }

.form { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
.form label em { color: var(--red); font-style: normal; }
.form input, .form textarea, .form select {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: 2px solid var(--gold);
  border-color: var(--gold);
}
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }
.bill-preview {
  font-size: 12px; color: var(--text-dim);
  display: flex; gap: 8px; align-items: center;
  margin-top: 4px;
}
.bill-preview a { color: var(--blue); }
.bill-preview button {
  background: transparent; border: none; color: var(--red); cursor: pointer; font-size: 12px;
}

/* ---------- Form: row-between + chip picker + link btn ---------- */
.row-between {
  display: flex !important;
  flex-direction: row !important;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.link-btn {
  background: transparent;
  border: none;
  color: var(--gold);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
}
.link-btn:hover { text-decoration: underline; }

.chip-picker {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 10px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-height: 44px;
  max-height: 140px;
  overflow-y: auto;
}
.chip-pickable {
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  transition: background .12s, color .12s, border-color .12s;
}
.chip-pickable:hover { border-color: var(--gold); color: var(--text); }
.chip-pickable.selected {
  background: rgba(91,141,239,0.15);
  border-color: var(--blue);
  color: var(--blue);
}
.chip-empty {
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
  padding: 4px 2px;
}

/* ---------- Manage modal ---------- */
.manage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px;
}
.manage-section h3 {
  margin: 0 0 10px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold);
}
.manage-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elev-2);
}
.manage-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.manage-list li:last-child { border-bottom: none; }
.manage-list .manage-empty {
  color: var(--text-dim);
  font-style: italic;
  justify-content: center;
}
.manage-list .delete-x {
  background: transparent;
  border: none;
  color: var(--red);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.manage-list .delete-x:hover { color: #ff7373; }
.manage-add {
  display: flex;
  gap: 8px;
}
.manage-add input {
  flex: 1;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14px;
}
.manage-add input:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
.manage-add button { padding: 9px 16px; }
.manage-footer {
  display: flex;
  justify-content: flex-end;
  padding: 12px 20px 20px;
  border-top: 1px solid var(--border);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .header {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .total-block { text-align: left; }
  .total-meta { justify-content: flex-start; }
  .total-amount { font-size: 44px; }
  .header-actions { justify-content: flex-start; }
  .filters-toggle-bar { display: block; }
  .filters {
    grid-template-columns: 1fr 1fr;
  }
  .filters.collapsed { display: none; }
  .filters #clear-filters { grid-column: span 2; }
}
@media (max-width: 700px) {
  .manage-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .app { padding: 14px 12px 40px; }
  .filters { grid-template-columns: 1fr; }
  .filters #clear-filters { grid-column: span 1; }
  .form .row { grid-template-columns: 1fr; }
  .total-amount { font-size: 38px; }
  .brand .title { font-size: 22px; }
  .brand .subtitle { display: block; font-size: 14px; }
}