/* Base styles, fonts, and CSS variables */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --app-font-size: 14px;
}

body {
    font-family: 'DM Sans', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.font-mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Textarea */
textarea {
    resize: none;
    outline: none;
    font-size: var(--app-font-size) !important;
}

textarea:focus {
    outline: none;
}

/* Custom Scrollbar - Light */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Custom Scrollbar - Dark */
.dark ::-webkit-scrollbar-track {
    background: #1e293b;
}

.dark ::-webkit-scrollbar-thumb {
    background: #475569;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes lampSwing {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(8deg); }
    75% { transform: rotate(-8deg); }
}

/* Loading spinner */
.loading {
    animation: spin 1s linear infinite;
}

/* Accessibility - Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible styles for keyboard navigation */
button:focus-visible,
a:focus-visible,
select:focus-visible,
[role="button"]:focus-visible,
[tabindex="0"]:focus-visible {
    outline: 2px solid #ea580c;
    outline-offset: 2px;
}

.dark button:focus-visible,
.dark a:focus-visible,
.dark select:focus-visible,
.dark [role="button"]:focus-visible,
.dark [tabindex="0"]:focus-visible {
    outline-color: #fb923c;
}

/* Remove default focus outline when focus-visible is supported */
button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
select:focus:not(:focus-visible) {
    outline: none;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}