/* ===== EvenKu - Design System ===== */

:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #273449;
  --border: #334155;
  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --success: #14b8a6;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #38bdf8;
  --radius: 0.75rem;
  --transition: all 0.2s ease;
}

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

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.header {
  height: 4rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  background: var(--bg-card);
}

.header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.main {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1rem;
}

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0.625rem 1.25rem;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--accent);
  color: #1e293b;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1;
  min-width: 150px;
}

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-confirmed { background: rgba(20, 184, 166, 0.15); color: var(--success); }
.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-declined { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-completed { background: rgba(56, 189, 248, 0.15); color: var(--info); }
.badge-draft { background: rgba(148, 163, 184, 0.15); color: var(--text-muted); }

/* ===== Grid ===== */
.grid {
  display: grid;
  gap: 1rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* ===== Tables ===== */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th, .table td {
  text-align: left;
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.table tr:hover td {
  background: var(--bg-card-hover);
}

/* ===== Progress ===== */
.progress {
  width: 100%;
  height: 0.5rem;
  background: var(--border);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.3s ease;
}

.progress-amber { background: var(--accent); }
.progress-teal { background: var(--success); }

/* ===== Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ===== Event Card ===== */
.event-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: var(--transition);
}

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

.event-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.event-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.event-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

.tab {
  padding: 0.625rem 1.25rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-size: 0.9rem;
  transition: var(--transition);
}

.tab.active {
  border-color: var(--accent);
  color: var(--accent);
}

.tab:hover:not(.active) {
  color: var(--text-secondary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ===== Empty State ===== */
.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 1.25rem;
}

.modal-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .container { padding: 0 0.75rem; }
  .main { padding: 1rem 0.75rem; }
  .form-row { flex-direction: column; flex-wrap: nowrap; }
  .form-row .form-group { min-width: auto; }
  .header { padding: 0 0.75rem; }
}

/* ===== Text utilities ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-gap { display: flex; gap: 0.5rem; }

.hidden { display: none; }