/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #ffffff;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
}

:root {
    /* Schwarz-Weiß Farbschema */
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --tertiary-black: #2a2a2a;
    --primary-white: #fafafa;
    --secondary-white: #e5e5e5;
    --tertiary-white: #d0d0d0;
    --accent-gray: #666666;
    
    /* Typografie */
    --font-mono: 'JetBrains Mono', monospace;
    --font-serif: 'Cormorant Garamond', serif;
    
    /* Spacing & Sizing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Animation */
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== LAYOUT STRUCTURE ===== */
.installation {
    display: grid;
    grid-template-areas: 
        "header header"
        "main aside"
        "footer footer";
    grid-template-columns: 1fr 300px;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md);
    gap: var(--spacing-lg);
}

/* ===== HEADER ===== */
.header {
    grid-area: header;
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--tertiary-black);
}

.title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.title-main {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    background: linear-gradient(45deg, var(--primary-white), var(--tertiary-white));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: titleGlow 4s ease-in-out infinite alternate;
}

.title-sub {
    font-family: var(--font-mono);
    font-size: clamp(0.8rem, 2vw, 1rem);
    font-weight: 300;
    color: var(--accent-gray);
    font-style: italic;
    opacity: 0.8;
}

@keyframes titleGlow {
    0% { filter: brightness(1); }
    100% { filter: brightness(1.2); }
}

/* ===== MAIN ARTWORK AREA ===== */
.artwork-container {
    grid-area: main;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    justify-content: center;
    align-items: center;
}

.canvas-wrapper {
    position: relative;
    border: 2px solid var(--tertiary-black);
    border-radius: 8px;
    background: var(--primary-black);
    padding: var(--spacing-md);
    box-shadow: 
        0 0 30px rgba(255, 255, 255, 0.05),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
}

.canvas-wrapper:hover {
    border-color: var(--accent-gray);
    box-shadow: 
        0 0 40px rgba(255, 255, 255, 0.1),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.pixel-canvas {
    display: block;
    background: var(--primary-white);
    border-radius: 4px;
    cursor: crosshair;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    transition: var(--transition-smooth);
}

.canvas-overlay {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    pointer-events: none;
}

.iteration-counter {
    background: rgba(0, 0, 0, 0.8);
    color: var(--primary-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    backdrop-filter: blur(10px);
}

.counter-value {
    font-weight: 500;
    color: var(--secondary-white);
    min-width: 2em;
    text-align: center;
}

/* ===== CONTROLS ===== */
.controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--tertiary-black);
    color: var(--primary-white);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

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

.control-btn:hover {
    border-color: var(--accent-gray);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

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

.btn-icon {
    font-size: 1.1em;
    opacity: 0.8;
}

/* ===== QUOTE CONTAINER ===== */
.quote-container {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.quote {
    font-family: var(--font-serif);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
}

.quote-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--secondary-white);
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.quote-author {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-gray);
    font-style: normal;
}

/* ===== INFO PANEL (SIDEBAR) ===== */
.info-panel {
    grid-area: aside;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--tertiary-black);
    border-radius: 8px;
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    height: fit-content;
    position: sticky;
    top: var(--spacing-md);
}

.panel-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--tertiary-black);
}

.panel-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.panel-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-white);
    font-weight: 400;
}

.panel-text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--secondary-white);
    opacity: 0.9;
}

/* ===== INTERACTION GUIDE ===== */
.interaction-guide {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.guide-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 4px;
    font-size: 0.85rem;
}

.guide-action {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--primary-white);
    background: var(--tertiary-black);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.8rem;
}

.guide-desc {
    color: var(--secondary-white);
    opacity: 0.8;
}

/* ===== STATE INFO ===== */
.state-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.state-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.state-label {
    color: var(--secondary-white);
    opacity: 0.8;
}

.state-value {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--primary-white);
}

/* ===== FOOTER ===== */
.footer {
    grid-area: footer;
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--tertiary-black);
    margin-top: var(--spacing-xl);
}

.footer-text {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--secondary-white);
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.artwork-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--accent-gray);
}

.meta-separator {
    opacity: 0.5;
}

/* ===== BACKGROUND PARTICLES ===== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--secondary-black);
    border: 1px solid var(--tertiary-black);
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from { 
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--tertiary-black);
}

.modal-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--primary-white);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--accent-gray);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-white);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-body p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    color: var(--secondary-white);
}

.modal-body p:last-child {
    margin-bottom: 0;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .installation {
        grid-template-areas: 
            "header"
            "main"
            "aside"
            "footer";
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto;
    }
    
    .info-panel {
        position: static;
    }
}

@media (max-width: 768px) {
    .installation {
        padding: var(--spacing-sm);
        gap: var(--spacing-md);
    }
    
    .controls {
        gap: var(--spacing-sm);
    }
    
    .control-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .artwork-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .modal {
        padding: var(--spacing-sm);
    }
}

/* ===== SPECIAL EFFECTS ===== */
.pixel-birth {
    animation: pixelBirth 0.3s ease-out;
}

@keyframes pixelBirth {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.pixel-death {
    animation: pixelDeath 0.3s ease-in;
}

@keyframes pixelDeath {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(0);
        opacity: 0;
    }
}

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

/* ===== FOCUS STYLES ===== */
button:focus,
canvas:focus {
    outline: 2px solid var(--accent-gray);
    outline-offset: 2px;
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-black);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gray);
}

#ascii-canvas {
    background: #ffffff;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    width: 100vw;
    height: 100vh;
    display: block;
}