/* CSS Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-input: #252833;
  --border: #2e3140;
  --text: #e4e4e7;
  --text-muted: #9ca3af;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --radius: 8px;
  --max-width: 720px;
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100dvh;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

/* Forms */
label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
}

input[type='text'],
input[type='password'],
input[type='date'],
input[type='number'],
select {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.15s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group {
  margin-bottom: 1rem;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
  color: var(--text);
}

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

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

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

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

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

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

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

/* Login Page */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 1rem;
}

.login-card {
  width: 100%;
  max-width: 380px;
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.login-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

/* Match List */
.match-list {
  list-style: none;
}

.match-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s;
}

.match-item:hover {
  border-color: var(--primary);
}

.match-info h3 {
  font-size: 0.9375rem;
  font-weight: 500;
}

.match-info .meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.match-status {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
  text-transform: capitalize;
}

.status-setup {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.status-in_progress {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary);
}

.status-completed {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

/* Player Selection */
.player-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.5rem;
}

.player-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s;
  font-size: 0.875rem;
}

.player-checkbox:has(input:checked) {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
}

.player-checkbox input[type='checkbox'] {
  accent-color: var(--primary);
}

.player-count {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.player-count .count {
  color: var(--text);
  font-weight: 600;
}

.player-count .full {
  color: var(--success);
}

.player-count .over {
  color: var(--danger);
}

/* Opposition Inputs */
.opposition-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.opposition-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.opposition-row .num {
  font-size: 0.8125rem;
  color: var(--text-muted);
  min-width: 1.5rem;
  text-align: right;
}

.opposition-row input {
  flex: 1;
}

/* Section Headers */
.section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

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

.empty-state p {
  margin-bottom: 1rem;
}

/* Utility */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.875rem; }
.hidden { display: none !important; }