/**
 * Shader Components CSS
 * Utility classes and components for shader-integrated panels
 */

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

/* Glass panel utility */
.shader-glass {
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(139, 127, 255, 0.3);
    border-radius: var(--radius-xl, 1rem);
    padding: var(--spacing-lg, 1.5rem);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.shader-glass:hover {
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.92);
    border-color: rgba(139, 127, 255, 0.6);
    box-shadow:
        0 12px 48px rgba(102, 126, 234, 0.3),
        0 0 0 1px rgba(139, 127, 255, 0.2);
    transform: translateY(-2px);
}

/* Frosted glass utility */
.shader-frosted {
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 127, 255, 0.2);
}

/* Heavy glass utility */
.shader-heavy {
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 2px solid rgba(139, 127, 255, 0.5);
}

/* Text shadow for readability over shaders */
.shader-text-shadow {
    text-shadow:
        0 0 20px rgba(0, 0, 0, 0.8),
        0 2px 4px rgba(0, 0, 0, 0.9),
        0 0 10px rgba(102, 126, 234, 0.5);
}

/* Gradient text */
.shader-gradient-text {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Three-color gradient text */
.shader-gradient-text-3 {
    background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================================
   PANEL COMPONENTS
   ============================================================================ */

/* Shader-aware card */
.shader-card {
    position: relative;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(139, 127, 255, 0.3);
    border-radius: 1rem;
    padding: 1.5rem;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.shader-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(102, 126, 234, 0.05) 0%,
        rgba(118, 75, 162, 0.05) 100%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.shader-card:hover::before {
    opacity: 1;
}

.shader-card > * {
    position: relative;
    z-index: 1;
}

.shader-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(102, 126, 234, 0.4);
    border-color: rgba(139, 127, 255, 0.6);
}

/* Shader-aware hero section */
.shader-hero {
    position: relative;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.75);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 2px solid rgba(139, 127, 255, 0.4);
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    text-align: center;
    overflow: hidden;
}

.shader-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at center,
        rgba(102, 126, 234, 0.1) 0%,
        transparent 70%
    );
    pointer-events: none;
}

.shader-hero > * {
    position: relative;
    z-index: 1;
}

/* Shader border panel */
.shader-border {
    position: relative;
    padding: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 1rem;
}

.shader-border-content {
    position: relative;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.95);
    border-radius: calc(1rem - 2px);
    padding: 1.5rem;
}

/* Animated shader border */
.shader-border-animated {
    position: relative;
    padding: 2px;
    border-radius: 1rem;
    overflow: hidden;
}

.shader-border-animated::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        45deg,
        #667eea 0%,
        #764ba2 25%,
        #f093fb 50%,
        #667eea 75%,
        #764ba2 100%
    );
    background-size: 200% 200%;
    animation: shaderBorderFlow 3s linear infinite;
    border-radius: 1rem;
}

@keyframes shaderBorderFlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.shader-border-animated-content {
    position: relative;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.95);
    border-radius: calc(1rem - 2px);
    padding: 1.5rem;
    z-index: 1;
}

/* ============================================================================
   MODAL / OVERLAY COMPONENTS
   ============================================================================ */

/* Shader modal overlay */
.shader-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.shader-modal-overlay.active {
    opacity: 1;
}

.shader-modal-content {
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 2px solid rgba(139, 127, 255, 0.5);
    border-radius: 1.5rem;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.6);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.shader-modal-overlay.active .shader-modal-content {
    transform: scale(1);
}

/* ============================================================================
   BUTTON COMPONENTS
   ============================================================================ */

/* Shader-aware button */
.shader-btn {
    position: relative;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 0.5rem;
    color: white;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.shader-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.shader-btn:hover::before {
    left: 100%;
}

.shader-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

/* Secondary shader button */
.shader-btn-secondary {
    background: rgba(102, 126, 234, 0.2);
    border: 2px solid #667eea;
    color: #667eea;
}

.shader-btn-secondary:hover {
    background: #667eea;
    color: white;
}

/* Glass button */
.shader-btn-glass {
    background: rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 126, 234, 0.3);
    color: #e5e7eb;
}

.shader-btn-glass:hover {
    background: rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

/* ============================================================================
   INPUT COMPONENTS
   ============================================================================ */

/* Shader-aware input */
.shader-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(139, 127, 255, 0.3);
    border-radius: 0.5rem;
    color: #e5e7eb;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.shader-input:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.8);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.shader-input::placeholder {
    color: rgba(229, 231, 235, 0.5);
}

/* Shader-aware textarea */
.shader-textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem 1rem;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(139, 127, 255, 0.3);
    border-radius: 0.5rem;
    color: #e5e7eb;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s ease;
}

.shader-textarea:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.8);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* ============================================================================
   BADGE / TAG COMPONENTS
   ============================================================================ */

/* Shader tag/badge */
.shader-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.4);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: #e5e7eb;
    transition: all 0.2s ease;
}

.shader-badge:hover {
    background: rgba(102, 126, 234, 0.3);
    border-color: #667eea;
    transform: translateY(-1px);
}

/* Badge variants */
.shader-badge-success {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.4);
    color: #22c55e;
}

.shader-badge-warning {
    background: rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.4);
    color: #f59e0b;
}

.shader-badge-danger {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: #ef4444;
}

.shader-badge-info {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    color: #3b82f6;
}

/* ============================================================================
   SECTION DIVIDERS
   ============================================================================ */

/* Shader section divider */
.shader-divider {
    height: 1px;
    margin: 2rem 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(139, 127, 255, 0.5),
        transparent
    );
}

/* Shader section with title */
.shader-section {
    margin: 2rem 0;
}

.shader-section-title {
    position: relative;
    font-size: 1.25rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 1rem;
    padding-left: 1rem;
}

.shader-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* ============================================================================
   LOADING / SPINNER COMPONENTS
   ============================================================================ */

/* Shader loading spinner */
.shader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(139, 127, 255, 0.2);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: shaderSpin 1s linear infinite;
}

@keyframes shaderSpin {
    to { transform: rotate(360deg); }
}

/* Gradient spinner */
.shader-spinner-gradient {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent,
        #667eea,
        #764ba2,
        transparent
    );
    animation: shaderSpin 1.5s linear infinite;
    position: relative;
}

.shader-spinner-gradient::before {
    content: '';
    position: absolute;
    inset: 3px;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.9);
    border-radius: 50%;
}

/* ============================================================================
   TOOLTIP COMPONENTS
   ============================================================================ */

/* Shader tooltip */
.shader-tooltip {
    position: relative;
    cursor: help;
}

.shader-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 0.5rem 0.75rem;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(139, 127, 255, 0.5);
    border-radius: 0.5rem;
    color: #e5e7eb;
    font-size: 0.875rem;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.shader-tooltip:hover::after {
    opacity: 1;
}

/* ============================================================================
   GRID LAYOUTS
   ============================================================================ */

/* Shader card grid */
.shader-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

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

/* ============================================================================
   RESPONSIVE & ACCESSIBILITY
   ============================================================================ */

/* Mobile optimizations */
@media (max-width: 768px) {
    .shader-glass,
    .shader-card,
    .shader-border-content {
        padding: 1rem;
    }

    .shader-hero {
        padding: 2rem 1rem;
    }

    .shader-modal-content {
        width: 95%;
        padding: 1.5rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .shader-card,
    .shader-glass,
    .shader-btn,
    .shader-badge,
    .shader-modal-content {
        transition: none;
    }

    .shader-spinner,
    .shader-spinner-gradient,
    .shader-border-animated::before {
        animation: none;
    }

    .shader-card:hover,
    .shader-glass:hover {
        transform: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .shader-glass,
    .shader-card,
    .shader-modal-content,
    .shader-input,
    .shader-textarea {
        background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.98);
    }
}

/* Print styles */
@media print {
    .shader-glass,
    .shader-card,
    .shader-border-content,
    .shader-modal-content {
        background: white !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }

    .shader-glass::before,
    .shader-card::before,
    .shader-hero::before {
        display: none !important;
    }

    .shader-btn {
        background: #667eea !important;
    }
}