/* Phi Kappa Mu Alumni Association — Raffle Custody Ledger
   Minimalist palette: teal (#14a09d) + soft blue (#89bbcd) */

:root {
  --pkm-teal: #14a09d;
  --pkm-teal-dark: #0e7c79;
  --pkm-blue: #89bbcd;
  --pkm-blue-dark: #5f9bb0;
  --pkm-bg: #f4f7f8;
  --pkm-surface: #ffffff;
  --pkm-text: #1f2b2b;
  --pkm-text-muted: #6b7a7a;
  --pkm-danger: #d9534f;
  --pkm-warn: #e0a800;
  --pkm-border: #e2e8e8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--pkm-bg);
  color: var(--pkm-text);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
}

.pkm-scrollbar::-webkit-scrollbar {
  height: 8px;
  width: 8px;
}
.pkm-scrollbar::-webkit-scrollbar-thumb {
  background: var(--pkm-blue);
  border-radius: 8px;
}

/* Sidebar */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  color: #dceef0;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease;
}
.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.08);
}
.sidebar-link.active {
  background: var(--pkm-teal);
  color: #fff;
}

/* Buttons */
.btn-primary {
  background: var(--pkm-teal);
  color: #fff;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}
.btn-primary:hover { background: var(--pkm-teal-dark); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { background: #a9c9c8; cursor: not-allowed; }

.btn-secondary {
  background: var(--pkm-blue);
  color: #10353f;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn-secondary:hover { background: var(--pkm-blue-dark); }

.btn-outline {
  background: transparent;
  color: var(--pkm-teal);
  border: 1.5px solid var(--pkm-teal);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-outline:hover { background: rgba(20, 160, 157, 0.08); }
.btn-outline:disabled {
  color: #a9c9c8;
  border-color: #d7e6e6;
  cursor: not-allowed;
  background: transparent;
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.badge-allocated { background: #e6f5f4; color: var(--pkm-teal-dark); }
.badge-returned { background: #eaf2f6; color: #345f74; }
.badge-lost { background: #fbe9e8; color: #b3352f; }

/* Ticket Availability Map */
.ticket-map {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
  gap: 3px;
  max-height: 420px;
  overflow-y: auto;
  padding: 4px;
  background: #fafcfc;
  border: 1px solid var(--pkm-border);
  border-radius: 0.5rem;
}
.ticket-cell {
  font-size: 9px;
  font-family: 'Courier New', monospace;
  text-align: center;
  padding: 3px 1px;
  border-radius: 3px;
  cursor: default;
  user-select: none;
  line-height: 1.3;
}
.ticket-cell-available {
  background: #e6f5f4;
  color: var(--pkm-teal-dark);
  font-weight: 700;
  border: 1px solid #b9e2df;
}
.ticket-cell-taken {
  background: #eceff0;
  color: #a9b2b2;
  border: 1px solid #e2e6e6;
}
.ticket-cell-legend {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
}
.ticket-cell-legend.ticket-cell-available { background: #e6f5f4; border: 1px solid #b9e2df; }
.ticket-cell-legend.ticket-cell-taken { background: #eceff0; border: 1px solid #e2e6e6; }

@media (max-width: 640px) {
  .ticket-map {
    grid-template-columns: repeat(auto-fill, minmax(32px, 1fr));
    max-height: 320px;
  }
  .ticket-cell { font-size: 8px; padding: 2px 1px; }
}

/* Mobile ledger cards */
.ledger-card {
  cursor: pointer;
  transition: box-shadow 0.15s ease, transform 0.05s ease;
}
.ledger-card:active {
  transform: scale(0.99);
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

/* Table */
.ledger-table th {
  position: sticky;
  top: 0;
  background: #f0f6f6;
  color: var(--pkm-text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  user-select: none;
}
.ledger-table th[data-sort],
.ledger-table th[data-batch-sort] {
  cursor: pointer;
}
.ledger-table th[data-sort]:hover,
.ledger-table th[data-batch-sort]:hover {
  color: var(--pkm-teal-dark);
}
.ledger-table tbody tr {
  cursor: pointer;
  transition: background 0.1s ease;
}
.ledger-table tbody tr:hover { background: #f3faf9; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 40, 40, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 1rem;
}
.modal-box {
  background: #fff;
  border-radius: 0.85rem;
  max-width: 640px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.2);
}

.pkm-input, .pkm-select, .pkm-textarea {
  width: 100%;
  border: 1.5px solid var(--pkm-border);
  border-radius: 0.5rem;
  padding: 0.5rem 0.7rem;
  font-size: 0.9rem;
  background: #fff;
  color: var(--pkm-text);
}
.pkm-input:focus, .pkm-select:focus, .pkm-textarea:focus {
  outline: none;
  border-color: var(--pkm-teal);
  box-shadow: 0 0 0 3px rgba(20, 160, 157, 0.15);
}

.stat-card {
  background: var(--pkm-surface);
  border-radius: 0.85rem;
  border: 1px solid var(--pkm-border);
  padding: 1.1rem 1.3rem;
}

.toast {
  position: fixed;
  top: 1.25rem;
  right: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.1rem;
  border-radius: 0.6rem;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(0,0,0,0.18);
  max-width: 380px;
  margin: 0 auto;
}
@media (min-width: 640px) {
  .toast {
    top: auto;
    bottom: 1.5rem;
    left: auto;
    right: 1.5rem;
    margin: 0;
  }
}
.toast-success { background: var(--pkm-teal-dark); }
.toast-error { background: var(--pkm-danger); }

.fade-in { animation: pkmFadeIn 0.15s ease; }
@keyframes pkmFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}