/**
 * Transformer Explainer Full - Styles
 * Full-page interactive transformer visualization
 */

/* ==================== View Container ==================== */

.explainer-full-view {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    z-index: 1000;
    overflow: auto;
    display: none;
}

.explainer-full-view.active {
    display: block;
}

/* ==================== Header ==================== */

.explainer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(15, 23, 42, 0.9);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.explainer-header__left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.explainer-header__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f8fafc;
    letter-spacing: 0.05em;
}

.explainer-header__title span {
    color: #6366f1;
}

.explainer-header__right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Back Button */
.explainer-back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 0.5rem;
    color: #a5b4fc;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.explainer-back-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.5);
    color: #f8fafc;
}

/* Control Groups */
.explainer-control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.explainer-control-group label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.explainer-control-group input[type="range"] {
    width: 100px;
    height: 4px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
}

.explainer-control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: #6366f1;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.explainer-control-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.explainer-control-group .value-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: #f8fafc;
    min-width: 2rem;
}

.explainer-control-group select {
    padding: 0.375rem 0.75rem;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 0.375rem;
    color: #f8fafc;
    font-size: 0.875rem;
    cursor: pointer;
}

.explainer-control-group select:focus {
    outline: none;
    border-color: #6366f1;
}

/* ==================== Input Section ==================== */

.explainer-input-section {
    padding: 1rem 1.5rem;
    background: rgba(30, 41, 59, 0.5);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.explainer-input-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.explainer-input-label {
    font-size: 0.875rem;
    color: #94a3b8;
    font-weight: 500;
}

.explainer-input-text {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 0.5rem;
    color: #f8fafc;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.explainer-input-text:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.explainer-input-text::placeholder {
    color: #64748b;
}

.explainer-input-actions {
    display: flex;
    gap: 0.5rem;
}

.explainer-btn {
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.explainer-btn--primary {
    background: #6366f1;
    color: #fff;
}

.explainer-btn--primary:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}

.explainer-btn--secondary {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
}

.explainer-btn--secondary:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.5);
}

.explainer-btn--danger {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

.explainer-btn--danger:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* ==================== Main Grid ==================== */

.explainer-main {
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: auto auto;
    gap: 1.5rem;
    padding: 1.5rem;
    min-height: calc(100vh - 160px);
}

/* ==================== Panel Styles ==================== */

.explainer-panel {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 0.75rem;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.explainer-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.5);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.explainer-panel__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: #f8fafc;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.explainer-panel__subtitle {
    font-size: 0.75rem;
    color: #94a3b8;
}

.explainer-panel__content {
    padding: 1rem;
}

/* ==================== Embeddings Panel ==================== */

.explainer-embeddings {
    grid-row: span 2;
}

.explainer-embeddings-canvas {
    width: 100%;
    height: 400px;
    display: block;
}

/* ==================== Transformer Block Panel ==================== */

.explainer-transformer-block {
    display: flex;
    flex-direction: column;
}

.explainer-subpanel {
    margin-bottom: 1rem;
}

.explainer-subpanel:last-child {
    margin-bottom: 0;
}

.explainer-subpanel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.explainer-subpanel__title {
    font-size: 0.8rem;
    font-weight: 500;
    color: #a5b4fc;
}

.explainer-subpanel__info {
    font-size: 0.7rem;
    color: #64748b;
    font-family: 'JetBrains Mono', monospace;
}

/* Attention Canvas */
.explainer-attention-canvas {
    width: 100%;
    height: 280px;
    display: block;
    border-radius: 0.5rem;
    background: rgba(15, 23, 42, 0.5);
}

/* FFN Canvas */
.explainer-ffn-canvas {
    width: 100%;
    height: 200px;
    display: block;
    border-radius: 0.5rem;
    background: rgba(15, 23, 42, 0.5);
}

/* ==================== Output Panel ==================== */

.explainer-output {
    grid-column: span 2;
}

.explainer-output-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5rem;
}

/* Tokens Display */
.explainer-tokens-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.explainer-tokens-label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.explainer-tokens-canvas {
    width: 100%;
    height: 60px;
    display: block;
    border-radius: 0.5rem;
    background: rgba(15, 23, 42, 0.5);
}

/* Probabilities */
.explainer-probabilities-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.explainer-probabilities-canvas {
    width: 100%;
    height: 180px;
    display: block;
    border-radius: 0.5rem;
    background: rgba(15, 23, 42, 0.5);
}

/* ==================== Info Bar ==================== */

.explainer-info-bar {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.5);
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.explainer-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.explainer-info-item__label {
    font-size: 0.75rem;
    color: #64748b;
}

.explainer-info-item__value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: #f8fafc;
}

.explainer-info-item__value--highlight {
    color: #6366f1;
    font-weight: 500;
}

/* ==================== Layer Selector ==================== */

.explainer-layer-selector {
    display: flex;
    gap: 0.5rem;
}

.explainer-layer-btn {
    padding: 0.375rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 0.375rem;
    color: #94a3b8;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.explainer-layer-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    color: #f8fafc;
}

.explainer-layer-btn.active {
    background: #6366f1;
    border-color: #6366f1;
    color: #fff;
}

/* ==================== Tooltip ==================== */

.explainer-tooltip {
    position: fixed;
    padding: 0.5rem 0.75rem;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 0.375rem;
    font-size: 0.75rem;
    color: #f8fafc;
    pointer-events: none;
    z-index: 1000;
    max-width: 250px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.explainer-tooltip__title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.explainer-tooltip__value {
    color: #a5b4fc;
    font-family: 'JetBrains Mono', monospace;
}

/* ==================== Animations ==================== */

@keyframes explainer-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes explainer-flow {
    0% { stroke-dashoffset: 20; }
    100% { stroke-dashoffset: 0; }
}

.explainer-generating {
    animation: explainer-pulse 1s ease-in-out infinite;
}

/* ==================== Responsive ==================== */

@media (max-width: 1200px) {
    .explainer-main {
        grid-template-columns: 1fr;
    }

    .explainer-embeddings {
        grid-row: auto;
    }

    .explainer-output {
        grid-column: 1;
    }

    .explainer-output-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .explainer-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .explainer-header__right {
        flex-wrap: wrap;
        justify-content: center;
    }

    .explainer-input-row {
        flex-direction: column;
        align-items: stretch;
    }

    .explainer-main {
        padding: 1rem;
        gap: 1rem;
    }
}

/* ==================== Dark Mode Enhancements ==================== */

.explainer-full-view canvas {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Glow effects for active elements */
.explainer-btn--primary:active {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.explainer-input-text:focus {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* Scrollbar styling */
.explainer-full-view::-webkit-scrollbar {
    width: 8px;
}

.explainer-full-view::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

.explainer-full-view::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 4px;
}

.explainer-full-view::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}