/* ==========================================
   VTuber Avatar Creator - Styles
   Design: High contrast monochrome (Sin City inspired)
   ========================================== */

/* Palette pastel moderne */
:root {
    --bg-primary: #f6f7fb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e9eaf3;
    --bg-hover: #e0e7ef;
    
    --text-primary: #232946;
    --text-secondary: #6b7280;
    --text-muted: #b0b8c1;
    
    --border-color: #d1d5db;
    --border-hover: #a5b4fc;
    
    /* Accents pastels */
    --accent-color: #a78bfa; /* violet pastel */
    --accent-glow: rgba(167, 139, 250, 0.25);
    --accent-color-2: #fca5a5; /* rose pastel */
    --accent-color-3: #6ee7b7; /* vert menthe */
    --accent-color-4: #fcd34d; /* jaune pastel */
    --accent-color-5: #38bdf8; /* bleu pastel */
    
    --header-height: 60px;
    --footer-height: 40px;
    --controls-width: 380px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    
    --transition-fast: 0.18s cubic-bezier(.4,0,.2,1);
    --transition-normal: 0.32s cubic-bezier(.4,0,.2,1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #f6f7fb 0%, #e9eaf3 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* ==========================================
   Header
   ========================================== */
.app-header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    color: var(--accent-color);
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.logo h1 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* ==========================================
   Buttons
   ========================================== */
/* Boutons modernes pastel */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-color-2) 100%);
    color: white;
    box-shadow: 0 2px 12px 0 rgba(167,139,250,0.08);
    transition: all var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-color-5) 100%);
    color: white;
    box-shadow: 0 4px 24px 0 var(--accent-glow);
}

.btn-primary:hover {
    filter: brightness(1.08) saturate(1.2);
    box-shadow: 0 6px 32px 0 var(--accent-glow);
    transform: translateY(-2px) scale(1.04);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
    box-shadow: 0 2px 8px 0 rgba(167,139,250,0.04);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-1px) scale(1.03);
}

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

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    font-size: 16px;
}

.btn-icon-only {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon-only:hover {
    background: var(--bg-hover);
    border-color: var(--accent-color);
}

/* ==========================================
   Main Layout
   ========================================== */
.app-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ==========================================
   Preview Panel
   ========================================== */
.preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    position: relative;
}

.preview-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: 
        linear-gradient(45deg, #0d0d0d 25%, transparent 25%),
        linear-gradient(-45deg, #0d0d0d 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #0d0d0d 75%),
        linear-gradient(-45deg, transparent 75%, #0d0d0d 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #080808;
}

#avatar-canvas {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.8);
}

.preview-overlay {
    position: absolute;
    top: 16px;
    left: 16px;
    pointer-events: none;
}

.preview-info {
    background: rgba(0, 0, 0, 0.7);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    color: var(--text-secondary);
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

#zoom-level {
    font-size: 14px;
    color: var(--text-secondary);
    min-width: 50px;
    text-align: center;
}

/* ==========================================
   Controls Panel
   ========================================== */
/* Panneau de contrôle pastel */
.controls-panel {
    width: var(--controls-width);
    background: var(--bg-secondary);
    border-left: 1.5px solid var(--border-color);
    overflow-y: auto;
    flex-shrink: 0;
    box-shadow: -8px 0 32px 0 rgba(167,139,250,0.08);
}

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

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-icon {
    font-size: 18px;
}

/* ==========================================
   Color Controls
   ========================================== */
.color-controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Ligne de couleur unifiée (nouveau système 6 slots) */
.color-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.color-row-label {
    font-size: 12px;
    color: var(--text-secondary);
    width: 80px;
    flex-shrink: 0;
}

.color-picker-mini {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: transparent;
    padding: 2px;
}

/* Inline color row inside a module section */
.color-row-inline {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.color-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Pastilles de couleur harmonieuses */
.color-preset {
    width: 44px;
    height: 44px;
    border: 2.5px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px 0 rgba(167,139,250,0.10);
    transition: all var(--transition-normal);
    outline: none;
    position: relative;
}
.color-preset:hover {
    border-color: var(--accent-color-3);
    box-shadow: 0 0 0 4px var(--accent-glow);
    transform: scale(1.12);
    z-index: 2;
}
.color-preset.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--accent-glow), 0 2px 12px 0 rgba(167,139,250,0.18);
    transform: scale(1.15);
    z-index: 3;
}

.color-custom {
    display: flex;
    align-items: center;
    gap: 12px;
}

.color-custom label {
    font-size: 13px;
    color: var(--text-secondary);
}

#accent-color {
    width: 60px;
    height: 36px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: transparent;
}

#accent-color::-webkit-color-swatch-wrapper {
    padding: 0;
}

#accent-color::-webkit-color-swatch {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

/* ==========================================
   Module Grid
   ========================================== */
.module-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.module-item {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.module-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-hover);
}

.module-item.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
}

.module-item.none {
    background: linear-gradient(45deg, var(--bg-tertiary) 45%, var(--border-color) 45%, var(--border-color) 55%, var(--bg-tertiary) 55%);
}

.module-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.module-item .module-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px;
    background: rgba(0, 0, 0, 0.8);
    font-size: 10px;
    text-align: center;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.module-item.active .module-name {
    color: var(--accent-color);
}

/* ==========================================
   Selection Summary
   ========================================== */
.selection-summary {
    background: var(--bg-tertiary);
}

.summary-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 12px;
    margin-bottom: 16px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.6;
    max-height: 200px;
    overflow-y: auto;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-label {
    color: var(--text-muted);
}

.summary-value {
    color: var(--accent-color);
    font-weight: 500;
}

/* ==========================================
   Footer
   ========================================== */
/* Footer doux et moderne */
.app-footer {
    height: var(--footer-height);
    background: var(--bg-secondary);
    border-top: 1.5px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 -2px 16px 0 rgba(167,139,250,0.06);
}

.app-footer p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================
   Toast Notification
   ========================================== */
.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-tertiary);
    border: 1px solid var(--accent-color);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-size: 14px;
    color: var(--text-primary);
    box-shadow: 0 0 30px var(--accent-glow);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.toast.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(20px);
}

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

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

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

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

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 1024px) {
    .controls-panel {
        width: 320px;
    }
    
    .module-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .app-main {
        flex-direction: column;
    }
    
    .preview-panel {
        height: 50vh;
    }
    
    .controls-panel {
        width: 100%;
        height: 50vh;
    }
}