/*
 * Overtalkerr Shared Styles
 * Material Design Guidelines
 */

/* Theme variables */
:root[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-card: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --border-color: #e5e7eb;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-hover: 0 8px 12px rgba(0, 0, 0, 0.1);
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
}

:root[data-theme="dark"] {
  --bg-primary: #0b1120;
  --bg-secondary: #111827;
  --bg-card: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-tertiary: #9ca3af;
  --border-color: #374151;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 12px rgba(0, 0, 0, 0.4);
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
}

/* Skip to content link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  font-weight: 600;
  border-radius: 0 0 4px 0;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

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

/* Body - Material Design Typography */
body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1 {
  font-family: 'Chelsea Market', cursive;
  color: var(--text-primary);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 20px;
  display: none;
}

.alert-success {
  background: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
}

.alert-error {
  background: #f8d7da;
  border: 1px solid #f5c6cb;
  color: #721c24;
}

.alert-info {
  background: #d1ecf1;
  border: 1px solid #bee5eb;
  color: #0c5460;
}

/* Buttons */
button, .btn {
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-weight: 500;
}

button:focus, .btn:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

/* Form elements */
input[type="text"],
input[type="url"],
input[type="password"],
input[type="email"],
select,
textarea {
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
}

input:disabled,
select:disabled,
textarea:disabled {
  background: var(--bg-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Loading spinner */
.loading {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
}

a:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Utility classes */
.text-primary {
  color: var(--text-primary);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-tertiary {
  color: var(--text-tertiary);
}