@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2236;
  --bg-card-hover: #1e2844;
  --bg-input: #0f1629;
  --border: #2a3654;
  --border-focus: #6366f1;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --alta: #ef4444;
  --alta-bg: rgba(239, 68, 68, 0.15);
  --media: #f59e0b;
  --media-bg: rgba(245, 158, 11, 0.15);
  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-2: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-3: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-4: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --glass: rgba(26, 34, 54, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ==================== BACKGROUND EFFECTS ==================== */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
  z-index: -1;
  animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-5%, -5%) rotate(3deg); }
}

/* ==================== HEADER ==================== */
.header {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.header h1 {
  font-size: 20px;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

/* ==================== NAVIGATION ==================== */
.nav {
  display: flex;
  gap: 4px;
  padding: 8px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.nav-btn {
  padding: 10px 20px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-btn:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-btn.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.nav-btn .icon {
  font-size: 16px;
}

/* ==================== MAIN CONTENT ==================== */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 32px;
}

.section {
  display: none;
  animation: fadeIn 0.4s ease;
}

.section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== STATS CARDS ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.stat-card-link {
  cursor: pointer;
  user-select: none;
}

.stat-card-link:active {
  transform: translateY(0px) scale(0.98);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.purple { background: var(--gradient-1); }
.stat-icon.blue { background: var(--gradient-2); }
.stat-icon.green { background: var(--gradient-3); }
.stat-icon.orange { background: var(--gradient-4); }
.stat-icon.red { background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%); }

.stat-info h3 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-info p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==================== TOOLBAR ==================== */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
}

.search-box {
  position: relative;
  max-width: 320px;
  flex: 1;
}

.search-box input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  transition: var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box::before {
  content: '🔍';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
}

/* ==================== BUTTONS ==================== */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* ==================== TABLE ==================== */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  background: var(--bg-secondary);
  padding: 14px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid rgba(42, 54, 84, 0.5);
  vertical-align: middle;
}

tbody tr {
  transition: var(--transition);
}

tbody tr:hover {
  background: var(--bg-card-hover);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ==================== BADGES ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge-alta {
  background: var(--alta-bg);
  color: var(--alta);
}

.badge-media {
  background: var(--media-bg);
  color: var(--media);
}

.badge-confirmed {
  background: var(--success-bg);
  color: var(--success);
}

.badge-cancelled {
  background: var(--danger-bg);
  color: var(--danger);
}

/* ==================== MODAL ==================== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* ==================== FORM ==================== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group .helper {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==================== SEASON CONFIG ==================== */
.season-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.season-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.season-card:hover {
  border-color: var(--accent);
}

.season-card .month-name {
  font-weight: 600;
}

.season-card select {
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  cursor: pointer;
}

/* ==================== TOAST ==================== */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  min-width: 280px;
  max-width: 400px;
  animation: slideIn 0.3s ease, slideOut 0.3s ease 2.7s;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
}

.toast-success {
  background: #065f46;
  border: 1px solid var(--success);
  color: #d1fae5;
}

.toast-error {
  background: #7f1d1d;
  border: 1px solid var(--danger);
  color: #fecaca;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .emoji {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .header {
    padding: 12px 16px;
  }

  .nav {
    padding: 6px 16px;
  }

  .main {
    padding: 16px;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-left {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    max-width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .modal {
    max-width: 100%;
    margin: 10px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}