/* OmniCast Design System - Shared Styles */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500&display=swap');

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

:root {
  --black: #0a0a0a;
  --white: #fafafa;
  --gray-100: #f0f0f0;
  --gray-200: #e0e0e0;
  --gray-400: #999;
  --gray-600: #666;
  --accent: #00e5a0;
  --accent-dim: #00c48a;
  --accent-glow: rgba(0, 229, 160, 0.15);
  --pulse: #ff6b35;
  --deep: #1a1a2e;
  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --danger: #ff4757;
  --success: #00e5a0;
  --warning: #ffa502;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dim); }

/* === TOP NAV === */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--card-border);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topnav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.topnav-logo .icon { color: var(--accent); }

.topnav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topnav-links a, .topnav-links button {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--gray-400);
  transition: all 0.2s;
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.topnav-links a:hover, .topnav-links button:hover {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

.topnav-links a.active {
  color: var(--accent);
  background: rgba(0, 229, 160, 0.08);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 229, 160, 0.3);
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border: 1px solid var(--card-border);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.15);
}

.btn-danger {
  background: rgba(255, 71, 87, 0.15);
  color: var(--danger);
  border: 1px solid rgba(255, 71, 87, 0.3);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* === FORMS === */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-400);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  transition: all 0.2s;
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  background: rgba(0, 229, 160, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.1);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--gray-600);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23999'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 40px;
}

.form-select option {
  background: var(--deep);
  color: var(--white);
}

/* === CARDS === */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.2s;
}

.card:hover {
  border-color: rgba(255,255,255,0.12);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* === STAT CARDS === */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 24px;
}

.stat-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}

.stat-value.accent { color: var(--accent); }
.stat-value.pulse { color: var(--pulse); }

.stat-change {
  font-size: 12px;
  color: var(--accent);
  margin-top: 4px;
}

/* === PAGE LAYOUT === */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px;
}

.page-header {
  margin-bottom: 40px;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.page-header p {
  font-size: 16px;
  color: var(--gray-400);
}

/* === AUTH LAYOUT === */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 48px 40px;
  backdrop-filter: blur(12px);
}

.auth-card .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

.auth-card .logo .icon { color: var(--accent); }

.auth-card .subtitle {
  text-align: center;
  color: var(--gray-400);
  font-size: 15px;
  margin-bottom: 36px;
}

.auth-card .divider {
  text-align: center;
  color: var(--gray-600);
  font-size: 13px;
  margin: 24px 0;
}

.auth-card .footer-text {
  text-align: center;
  color: var(--gray-600);
  font-size: 14px;
  margin-top: 24px;
}

.auth-card .footer-text a { color: var(--accent); }

/* === ALERT / TOAST === */
.alert {
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 20px;
  display: none;
}

.alert-error {
  background: rgba(255, 71, 87, 0.12);
  border: 1px solid rgba(255, 71, 87, 0.3);
  color: #ff6b81;
}

.alert-success {
  background: rgba(0, 229, 160, 0.12);
  border: 1px solid rgba(0, 229, 160, 0.3);
  color: var(--accent);
}

/* === TABLES === */
.table-wrapper {
  overflow-x: auto;
}

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

th, td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
  font-size: 14px;
}

th {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 1px;
}

td { color: var(--gray-200); }

tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-sent {
  background: rgba(0, 229, 160, 0.12);
  color: var(--accent);
  border: 1px solid rgba(0, 229, 160, 0.25);
}

.badge-draft {
  background: rgba(255,255,255,0.06);
  color: var(--gray-400);
  border: 1px solid var(--card-border);
}

.badge-sending {
  background: rgba(255, 165, 2, 0.12);
  color: var(--warning);
  border: 1px solid rgba(255, 165, 2, 0.25);
}

.badge-failed {
  background: rgba(255, 71, 87, 0.12);
  color: var(--danger);
  border: 1px solid rgba(255, 71, 87, 0.25);
}

/* === CHANNEL TAGS === */
.channel-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 500;
  background: rgba(255,255,255,0.06);
  color: var(--gray-200);
  border: 1px solid var(--card-border);
}

/* === CHECKBOX GROUP === */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.checkbox-item:hover {
  border-color: rgba(0, 229, 160, 0.3);
  background: rgba(0, 229, 160, 0.04);
}

.checkbox-item.selected {
  border-color: var(--accent);
  background: rgba(0, 229, 160, 0.08);
}

.checkbox-item input[type="checkbox"] {
  display: none;
}

.checkbox-item .check-icon {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-600);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.checkbox-item.selected .check-icon {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--black);
}

.checkbox-item .check-icon::after {
  content: '';
  display: none;
}

.checkbox-item.selected .check-icon::after {
  content: '\2713';
  display: block;
  font-size: 13px;
  font-weight: 700;
}

.checkbox-item .ch-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
}

.checkbox-item .ch-desc {
  font-size: 12px;
  color: var(--gray-600);
}

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-600);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 20px;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
  max-width: 400px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

/* === LOADING === */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0, 229, 160, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* === PROGRESS BAR === */
.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.progress-bar-fill.accent { background: var(--accent); }
.progress-bar-fill.pulse { background: var(--pulse); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .topnav { padding: 12px 16px; }
  .topnav-links a, .topnav-links button { padding: 6px 10px; font-size: 12px; }
  .page-container { padding: 24px 16px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .checkbox-group { grid-template-columns: 1fr; }
  .auth-card { padding: 32px 24px; }
  .page-header h1 { font-size: 24px; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .topnav-links { gap: 4px; }
}