/* GPU Memory Calculator Styles */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
    background: var(--card-bg);
    padding: 10px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    flex: 1;
    max-width: 200px;
}

.tab-btn:hover {
    background: var(--bg-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 20px;
    align-items: start;
}

.main-content {
    display: contents;
}

@media (max-width: 1024px) {
    .tab-content.active {
        grid-template-columns: 1fr;
    }
}

/* Config Panel */
.config-panel {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.config-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.config-section:last-of-type {
    border-bottom: none;
}

.config-section h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input[type="range"] {
    margin-top: 5px;
    width: 100%;
}

.form-group input[type="checkbox"] {
    margin-right: 8px;
}

.info-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* Buttons */
.button-group {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.btn-secondary {
    background-color: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* Results Panel */
.results-panel {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 20px;
}

.result-card {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.result-card:last-child {
    border-bottom: none;
}

.result-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.metric {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.metric-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

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

.breakdown-value {
    font-weight: 500;
    color: var(--text-primary);
}

/* Bar Chart */
.bar-chart {
    display: flex;
    height: 24px;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 15px;
    background-color: var(--border-color);
}

.bar {
    height: 100%;
    transition: width 0.3s ease;
    position: relative;
}

/* Add patterns to bars for colorblind accessibility */
#bar-params {
    background-color: #3b82f6;
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 5px,
        rgba(255, 255, 255, 0.1) 5px,
        rgba(255, 255, 255, 0.1) 10px
    );
}

#bar-grads {
    background-color: #8b5cf6;
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 5px,
        rgba(255, 255, 255, 0.1) 5px,
        rgba(255, 255, 255, 0.1) 10px
    );
    /* Different pattern: dots */
    background-image: radial-gradient(circle, rgba(255,255,255,0.2) 1px, transparent 1px);
    background-size: 8px 8px;
}

#bar-optimizer {
    background-color: #ec4899;
    background-image: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 5px,
        rgba(255, 255, 255, 0.15) 5px,
        rgba(255, 255, 255, 0.15) 10px
    );
}

#bar-activations {
    background-color: #10b981;
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 5px,
        rgba(255, 255, 255, 0.1) 5px,
        rgba(255, 255, 255, 0.1) 10px
    );
}

.bar:first-child {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}

.bar:last-child {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

.chart-legend {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    font-size: 0.8rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-color.params { background-color: #3b82f6; }
.legend-color.grads { background-color: #8b5cf6; }
.legend-color.optimizer { background-color: #ec4899; }
.legend-color.activations { background-color: #10b981; }

#bar-params { background-color: #3b82f6; }
#bar-grads { background-color: #8b5cf6; }
#bar-optimizer { background-color: #ec4899; }
#bar-activations { background-color: #10b981; }

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

/* Status colors */
.status-success { color: var(--success-color); }
.status-warning { color: var(--warning-color); }
.status-danger { color: var(--danger-color); }

/* Group Label */
.group-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
    display: block;
}

/* Error Message */
.error-message {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--danger-color);
    color: white;
    padding: 15px 20px;
    border-radius: 6px;
    box-shadow: var(--shadow);
    z-index: 1000;
}

/* Tooltip */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 5px 10px;
    background-color: var(--text-primary);
    color: white;
    font-size: 0.8rem;
    border-radius: 4px;
    white-space: nowrap;
    z-index: 100;
    margin-bottom: 5px;
}

/* Formula Explanation Section */
.formula-description {
    margin-bottom: 15px;
    line-height: 1.6;
}

.formula-description p {
    margin-bottom: 8px;
}

.formula-components-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.formula-components-list li {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 12px;
}

.component-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    font-size: 1rem;
}

.component-formula {
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--border-color);
    padding: 8px;
    border-radius: 4px;
    margin: 8px 0;
    font-size: 0.9rem;
    overflow-x: auto;
}

.component-calculation {
    margin: 6px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.component-result {
    margin-top: 6px;
    font-size: 0.95rem;
    color: var(--primary-color);
    font-weight: 500;
}

.formula-references {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.formula-references h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.formula-references ul {
    list-style-type: none;
    padding: 0;
}

.formula-references li {
    margin-bottom: 8px;
}

.formula-references a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.formula-references a:hover {
    text-decoration: underline;
}

/* Hugging Face Integration */
.preset-row {
	display: flex;
	gap: 10px;
	align-items: center;
}

.preset-row select {
	flex: 1;
}

.btn-tertiary {
	background-color: #ffd700;
	color: #1e293b;
	border: none;
	padding: 10px 16px;
	border-radius: 6px;
	font-size: 0.9rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s;
	white-space: nowrap;
}

.btn-tertiary:hover {
	background-color: #f0c000;
}

.btn-tertiary:active {
	transform: scale(0.98);
}

.hf-fetch-panel {
	background: #f0f9ff;
	border: 1px solid #2563eb;
	border-radius: 8px;
	padding: 20px;
	margin-top: 15px;
}

.hf-fetch-panel .form-group {
	margin-bottom: 15px;
}

.hf-fetch-panel .help-text {
	display: block;
	font-size: 0.85rem;
	color: var(--text-secondary);
	margin-top: 5px;
}

.loading-message {
	color: var(--primary-color);
	font-style: italic;
	padding: 10px;
	text-align: center;
}

.error-message {
	background-color: #fee;
	color: #c00;
	padding: 12px;
	border-radius: 6px;
	border: 1px solid #fcc;
	margin-top: 10px;
}

.success-message {
	background-color: #efe;
	color: #0a0;
	padding: 12px;
	border-radius: 6px;
	border: 1px solid #cfc;
	margin-top: 10px;
}