/* Kemi 1 Study Dashboard Styles */

:root {
    --bg-primary: #0f0f0f;
    --bg-card: #1a1a1a;
    --bg-card-hover: #252526;
    --accent-teal: #4ec9b0;
    --accent-blue: #569cd6;
    --accent-orange: #ce9178;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #2d2d2d;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3d3d3d;
}

/* Selection */
::selection {
    background: var(--accent-teal);
    color: var(--bg-primary);
}

/* Chemical formula styling */
.chemical-formula {
    font-family: 'Courier New', monospace;
    letter-spacing: 0.02em;
}

.subscript {
    font-size: 0.75em;
    vertical-align: sub;
}

.superscript {
    font-size: 0.75em;
    vertical-align: super;
}

/* Card hover effects */
.card-hover {
    transition: all 0.2s ease;
}

.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Progress animations */
@keyframes progress-fill {
    from { width: 0%; }
}

.progress-animated {
    animation: progress-fill 1s ease-out;
}

/* Flashcard styles */
.flashcard {
    perspective: 1000px;
}

.flashcard-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
    transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.flashcard-back {
    transform: rotateY(180deg);
}

/* Button states */
.btn-primary {
    background-color: var(--accent-teal);
    color: var(--bg-primary);
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: #3db89f;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Code blocks */
code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 0.9em;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
}

/* Loading spinner */
.spinner {
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--accent-teal);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

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

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-complete {
    background-color: rgba(78, 201, 176, 0.2);
    color: var(--accent-teal);
}

.badge-progress {
    background-color: rgba(86, 156, 214, 0.2);
    color: var(--accent-blue);
}

.badge-pending {
    background-color: rgba(206, 145, 120, 0.2);
    color: var(--accent-orange);
}

/* Chapter cards */
.chapter-card {
    border-left: 4px solid transparent;
    transition: all 0.2s ease;
}

.chapter-card:hover {
    border-left-color: var(--accent-teal);
}

.chapter-card.completed {
    border-left-color: var(--accent-teal);
}

.chapter-card.in-progress {
    border-left-color: var(--accent-blue);
}