/* =============================================================
   Venue Availability Calendar — Shared Styles
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Barlow+Condensed:wght@300;400;500;600;700&display=swap');

:root {
  --bg-dark: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-input: #222;
  --bg-hover: #2a2a2a;
  --border: #333;
  --text-primary: #f0f0f0;
  --text-secondary: #999;
  --text-dim: #555;
  --gold: #c9a227;
  --gold-dim: rgba(201, 162, 39, 0.15);
  --gold-hover: #dbb630;
  --green: #2ecc71;
  --green-dim: rgba(46, 204, 113, 0.15);
  --blue: #3498db;
  --blue-dim: rgba(52, 152, 219, 0.15);
  --red: #e74c3c;
  --red-dim: rgba(231, 76, 60, 0.15);
  --booked-bg: #2a2a2a;
  --past-bg: #111;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.4);
}

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

body {
  font-family: 'Barlow Condensed', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.05em;
}

/* ---- Layout ---- */

.app-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

/* ---- Logo Images ---- */

.entry-logo {
  max-width: 280px;
  width: 80%;
  margin-bottom: 20px;
  filter: invert(1) brightness(2);
}

.entry-logos-bar {
  max-width: 500px;
  width: 90%;
  margin-top: 40px;
  filter: invert(1) brightness(2);
  opacity: 0.7;
}

.header-logo {
  max-width: 200px;
  width: 60%;
  margin-bottom: 12px;
  filter: invert(1) brightness(2);
}

.header-logos-bar {
  max-width: 420px;
  width: 90%;
  margin-bottom: 16px;
  filter: invert(1) brightness(2);
  opacity: 0.8;
}

.venue-header {
  text-align: center;
  margin-bottom: 24px;
}

.venue-header h1 {
  font-size: 2.2rem;
  color: var(--gold);
  margin-bottom: 4px;
}

.venue-header .time-slot {
  font-size: 1.4rem;
  font-family: 'Bebas Neue', sans-serif;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.venue-header .artist-name {
  font-size: 1rem;
  color: var(--gold);
  margin-top: 8px;
  font-weight: 500;
}

/* ---- Entry / Login Screen ---- */

.entry-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
}

.entry-screen h1 {
  font-size: 2.8rem;
  color: var(--gold);
  margin-bottom: 8px;
}

.entry-screen .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-weight: 300;
}

.entry-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 360px;
}

.entry-form input {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  text-align: center;
  letter-spacing: 0.1em;
  outline: none;
  transition: border-color 0.2s;
}

.entry-form input:focus {
  border-color: var(--gold);
}

.entry-form input::placeholder {
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: var(--radius);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}

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

.btn:active {
  transform: scale(0.97);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
}

.btn-outline:hover {
  background: var(--gold-dim);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.95rem;
}

.btn-danger {
  background: var(--red);
  color: #fff;
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-green {
  background: var(--green);
  color: #000;
}

.btn-green:hover {
  background: #27ae60;
}

.error-msg {
  color: var(--red);
  font-size: 0.95rem;
  min-height: 1.4em;
}

.success-msg {
  color: var(--green);
  font-size: 0.95rem;
}

/* ---- Calendar ---- */

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}

.calendar-nav h2 {
  font-size: 1.8rem;
  min-width: 220px;
  text-align: center;
}

.nav-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.nav-btn:hover {
  background: var(--bg-hover);
  border-color: var(--gold);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-grid .day-header {
  text-align: center;
  padding: 10px 4px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
}

.calendar-grid .day-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  padding: 10px 6px;
  min-height: 95px;
}

.calendar-grid .day-cell:hover:not(.past):not(.booked):not(.empty) {
  background: var(--bg-hover);
  border-color: var(--text-secondary);
  transform: scale(1.03);
}

.calendar-grid .day-cell .day-number {
  font-size: 1.4rem;
  font-weight: 600;
}

.calendar-grid .day-cell .day-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 3px;
}

.calendar-grid .day-cell .day-info {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.3;
  margin-top: 2px;
}

/* Empty cells (padding days) */
.calendar-grid .day-cell.empty {
  background: transparent;
  border-color: transparent;
  cursor: default;
}

/* Past dates */
.calendar-grid .day-cell.past {
  background: var(--past-bg);
  border-color: #1a1a1a;
  cursor: default;
  opacity: 0.4;
}

/* Selected by artist */
.calendar-grid .day-cell.selected {
  background: var(--gold-dim);
  border-color: var(--gold);
}

.calendar-grid .day-cell.selected .day-number {
  color: var(--gold);
}

.calendar-grid .day-cell.selected .day-label {
  color: var(--gold);
}

/* Submitted (saved on server) */
.calendar-grid .day-cell.submitted {
  background: var(--green-dim);
  border-color: var(--green);
}

.calendar-grid .day-cell.submitted .day-number {
  color: var(--green);
}

.calendar-grid .day-cell.submitted .day-label {
  color: var(--green);
}

/* Unmarked (pending removal) */
.calendar-grid .day-cell.unmarked {
  background: var(--red-dim);
  border-color: var(--red);
  opacity: 0.65;
}

.calendar-grid .day-cell.unmarked .day-number {
  color: var(--red);
}

.calendar-grid .day-cell.unmarked .day-label {
  color: var(--red);
  font-weight: 600;
}

/* Booked */
.calendar-grid .day-cell.booked {
  background: var(--booked-bg);
  border-color: #444;
  cursor: default;
  opacity: 0.5;
}

.calendar-grid .day-cell.booked .day-label {
  color: var(--text-dim);
  font-weight: 600;
}

/* Admin: dates with submissions */
.calendar-grid .day-cell.has-submissions {
  background: var(--blue-dim);
  border-color: var(--blue);
}

.calendar-grid .day-cell.has-submissions .day-number {
  color: var(--blue);
}

/* Admin: booked dates */
.calendar-grid .day-cell.admin-booked {
  background: var(--green-dim);
  border-color: var(--green);
}

.calendar-grid .day-cell.admin-booked .day-number {
  color: var(--green);
}

.calendar-grid .day-cell .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar-grid .day-cell .booked-artist {
  font-size: 0.55rem;
  color: var(--green);
  text-align: center;
  line-height: 1.2;
  margin-top: 2px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 2px;
}

/* ---- Date Detail Panel (Admin) ---- */

.date-detail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-top: 20px;
}

.date-detail h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--gold);
}

.date-detail .close-btn {
  float: right;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0 4px;
}

.date-detail .close-btn:hover {
  color: var(--text-primary);
}

.artist-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--bg-dark);
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.artist-row .artist-info {
  font-size: 1rem;
  font-weight: 500;
}

.artist-row .artist-code {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: 8px;
}

.booked-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--green-dim);
  border: 1px solid var(--green);
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.booked-banner .booked-text {
  color: var(--green);
  font-weight: 600;
}

.no-submissions {
  color: var(--text-dim);
  text-align: center;
  padding: 20px;
  font-style: italic;
}

/* ---- Setup / Forms ---- */

.setup-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.setup-section h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--gold);
}

.form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.form-row input {
  flex: 1;
  min-width: 120px;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-row input:focus {
  border-color: var(--gold);
}

.form-row input::placeholder {
  color: var(--text-dim);
}

.items-list {
  margin-top: 16px;
}

.items-list .item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-dark);
  border-radius: var(--radius);
  margin-bottom: 6px;
}

.items-list .item-row .item-info {
  display: flex;
  flex-direction: column;
}

.items-list .item-row .item-name {
  font-weight: 600;
}

.items-list .item-row .item-detail {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ---- Performance Instructions ---- */

.instructions-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 32px;
  line-height: 1.7;
  font-size: 0.95rem;
}

.instructions-section h2 {
  font-size: 1.6rem;
  color: var(--gold);
  margin-bottom: 16px;
}

.instructions-section h3 {
  font-size: 1.2rem;
  color: var(--gold);
  margin-top: 24px;
  margin-bottom: 8px;
}

.instructions-section h4 {
  font-size: 1rem;
  font-family: 'Bebas Neue', sans-serif;
  color: var(--text-primary);
  margin-top: 16px;
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}

.instructions-section p {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.instructions-section ul {
  color: var(--text-secondary);
  padding-left: 20px;
  margin-bottom: 8px;
}

.instructions-section ul li {
  margin-bottom: 4px;
}

.instructions-section em {
  color: var(--gold);
}

.playlist-link {
  color: var(--gold);
  text-decoration: underline;
  transition: color 0.2s;
}

.playlist-link:hover {
  color: var(--gold-hover);
}

.instructions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.instruction-item {
  background: var(--bg-dark);
  padding: 12px 16px;
  border-radius: var(--radius);
  color: var(--text-secondary);
}

.instruction-item strong {
  color: var(--text-primary);
}

.instructions-sign-off {
  color: var(--gold) !important;
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 20px;
}

@media (max-width: 600px) {
  .instructions-section {
    padding: 18px;
  }

  .instructions-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Loading Spinner ---- */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Submit Availability Bar ---- */

.submit-bar {
  display: flex;
  justify-content: center;
  padding: 16px 0;
  margin-top: 16px;
  position: sticky;
  bottom: 0;
  z-index: 100;
  background: linear-gradient(transparent, var(--bg-dark) 30%);
  padding-bottom: 20px;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: var(--radius);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, opacity 0.2s;
  box-shadow: 0 4px 20px rgba(201, 162, 39, 0.3);
}

.btn-submit:hover:not(:disabled) {
  background: var(--gold-hover);
  transform: scale(1.02);
}

.btn-submit:active:not(:disabled) {
  transform: scale(0.97);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- Toast Notification ---- */

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 24px;
  color: var(--text-primary);
  font-size: 0.95rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  border-color: var(--red);
  color: var(--red);
}

.toast.success {
  border-color: var(--green);
  color: var(--green);
}

/* ---- Back Link ---- */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  margin-bottom: 16px;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--gold);
}

/* ---- Responsive ---- */

@media (max-width: 600px) {
  .app-container {
    padding: 12px 8px 40px;
  }

  .entry-logo {
    max-width: 200px;
  }

  .entry-logos-bar {
    max-width: 320px;
    margin-top: 32px;
  }

  .header-logo {
    max-width: 140px;
  }

  .header-logos-bar {
    max-width: 300px;
  }

  .venue-header h1 {
    font-size: 1.6rem;
  }

  .calendar-nav h2 {
    font-size: 1.3rem;
    min-width: 180px;
  }

  .calendar-grid {
    gap: 3px;
  }

  .calendar-grid .day-cell {
    min-height: 48px;
    border-radius: 6px;
  }

  .calendar-grid .day-cell .day-number {
    font-size: 0.95rem;
  }

  .calendar-grid .day-cell .day-label {
    font-size: 0.55rem;
  }

  .calendar-grid .day-cell .day-info {
    font-size: 0.45rem;
  }

  .calendar-grid .day-cell .badge {
    width: 16px;
    height: 16px;
    font-size: 0.6rem;
    top: 2px;
    right: 2px;
  }

  .calendar-grid .day-cell .booked-artist {
    font-size: 0.5rem;
  }

  .entry-screen h1 {
    font-size: 2rem;
  }

  .date-detail {
    padding: 14px;
  }

  .artist-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .artist-row .btn {
    width: 100%;
  }

  .form-row {
    flex-direction: column;
  }

  .setup-section {
    padding: 16px;
  }
}