/* ==========================================================================
   apetto FitStudio Core Stylesheet
   Design Style: Cyberpunk Minimalist Premium (Dark Mode, Glassmorphism, Neon Glows)
   ========================================================================== */

:root {
    --bg-dark: #0f1013;
    --bg-panel: rgba(22, 24, 30, 0.7);
    --bg-card: rgba(30, 34, 42, 0.5);
    --bg-card-hover: rgba(40, 45, 56, 0.75);
    
    --accent: #d84379;
    --accent-glow: rgba(216, 67, 121, 0.35);
    
    --neon-blue: #00e5ff;
    --neon-blue-glow: rgba(0, 229, 255, 0.25);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(0, 229, 255, 0.4);
    
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Outfit', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Ambient Glows */
.background-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.25;
}

.bg-glow-1 {
    background: radial-gradient(circle, var(--accent) 0%, rgba(0,0,0,0) 70%);
    top: -150px;
    left: -150px;
}

.bg-glow-2 {
    background: radial-gradient(circle, var(--neon-blue) 0%, rgba(0,0,0,0) 70%);
    bottom: -150px;
    right: -150px;
}

/* App Container */
.app-container {
    width: 100%;
    max-width: 1440px;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

/* Header */
.app-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.brand-text {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: var(--text-primary);
}

.accent-text {
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    font-weight: 300;
}

/* Workspace Panels */
.workspace {
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 2rem;
    align-items: start;
}

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

    .panel {
        gap: 1rem;
    }
    .panel-section {
        gap: 0.65rem;
    }
    .section-title {
        font-size: 1rem;
    }
    /* Compact upload box */
    .upload-box {
        padding: 1rem 1.5rem;
    }
    .upload-icon {
        width: 32px;
        height: 32px;
    }
    .main-prompt {
        font-size: 0.88rem;
    }
    /* Compact sample dogs */
    .preset-container {
        gap: 0.4rem;
    }
    .btn-preset {
        padding: 0.45rem 0.6rem;
        font-size: 0.82rem;
    }
    .dog-thumb {
        width: 20px;
        height: 20px;
    }
    /* Compact raincoat cards */
    .clothes-carousel {
        gap: 0.6rem;
    }
    .clothes-card {
        padding: 0.5rem;
        gap: 0.4rem;
    }
    .clothes-preview-container {
        aspect-ratio: 4/3;
    }
    .clothes-name {
        font-size: 0.78rem;
    }
    .clothes-color-tag {
        font-size: 0.67rem;
        padding: 0.1rem 0.3rem;
    }
    /* Real AI button always at bottom */
    .panel {
        flex: 1;
        justify-content: space-between;
    }
    .btn-real-ai-big {
        padding: 0.85rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* Glass Panels */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
}

.panel {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.left-panel {
    max-height: calc(100vh - 180px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
    display: flex;
    flex-direction: column;
}

.left-panel::-webkit-scrollbar {
    width: 6px;
}
.left-panel::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.panel-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: var(--transition-smooth);
}

.panel-section.disabled {
    opacity: 0.3;
    pointer-events: none;
}

.section-title {
    font-size: 1.15rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--neon-blue-glow);
    border: 1px solid var(--neon-blue);
    font-size: 0.85rem;
    color: var(--neon-blue);
    font-weight: 800;
}

/* Upload Box */
.upload-box {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 2.25rem 1.5rem;
    text-align: center;
    position: relative;
    cursor: pointer;
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.02);
}

.upload-box:hover, .upload-box.dragover {
    border-color: var(--neon-blue);
    background: rgba(0, 229, 255, 0.04);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.upload-icon {
    width: 42px;
    height: 42px;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.upload-box:hover .upload-icon {
    color: var(--neon-blue);
    transform: translateY(-4px);
}

.main-prompt {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.browse-link {
    color: var(--neon-blue);
    font-weight: 600;
    text-decoration: underline;
}

.sub-prompt {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Dog preview after upload */
.upload-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.5rem 0;
}

.upload-preview img {
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: rgba(0,0,0,0.3);
}

.preview-change {
    font-size: 0.78rem;
    color: var(--neon-blue);
    opacity: 0.7;
    cursor: pointer;
}

/* Presets */
.preset-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.preset-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.preset-buttons {
    display: flex;
    gap: 0.75rem;
}

.btn-preset {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.65rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-preset:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.15);
}

.btn-preset.active {
    background: var(--neon-blue-glow);
    border-color: var(--neon-blue);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.15);
}

.dog-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    border: 1px solid rgba(255,255,255,0.2);
}

.thumb-golden {
    background-image: url('assets/dog_golden.jpg');
}

.thumb-labrador {
    background-image: url('assets/dog_labrador.webp');
}

/* Clothes Carousel */
.clothes-carousel {
    display: flex;
    gap: 1rem;
}

.clothes-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 0.75rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: var(--transition-smooth);
}

.clothes-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.clothes-card.active {
    background: rgba(216, 67, 121, 0.08);
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.clothes-preview-container {
    width: 100%;
    aspect-ratio: 1;
    /* Was chroma-key green to blend with the old green-screen cutouts; the
       outfits are ordinary photos now, so a neutral backdrop reads better. */
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.05);
}

.clothes-img-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;   /* fill the square regardless of the photo's aspect */
}

.clothes-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.clothes-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.clothes-color-tag {
    font-size: 0.75rem;
    width: fit-content;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-weight: 700;
}

.color-pink   { background: rgba(216, 67, 121, 0.15); color: #ff6097; }
.color-orange { background: rgba(255, 69,  0,  0.15); color: #ff4500; }

.color-lime { background: rgba(162, 221, 0, 0.15); color: #c4f000; }
.color-blue { background: rgba(0, 162, 232, 0.15); color: #00b0ff; }

/* Adjustment Slider Styles */
.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-text-accent {
    background: none;
    border: none;
    color: var(--neon-blue);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: var(--transition-smooth);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    background: var(--neon-blue-glow);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.btn-text-accent:hover {
    color: #fff;
    background: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.control-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.control-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.styled-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.styled-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--neon-blue);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
    transition: var(--transition-smooth);
}

.styled-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.val-display {
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 45px;
    text-align: right;
    color: var(--text-primary);
}

.action-buttons-row {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.btn {
    border: none;
    font-family: inherit;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.btn-secondary {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255,255,255,0.2);
}

.icon {
    width: 18px;
    height: 18px;
}

/* Right Panel: Canvas Workspace */
.canvas-outer-container {
    width: 100%;
    aspect-ratio: 4/3;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    padding: 0;
}

.canvas-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #090a0d;
}

#fitting-canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: grab;
    transition: box-shadow 0.3s ease;
}

#fitting-canvas:active {
    cursor: grabbing;
}

/* Canvas Placeholder Styles */
.canvas-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: rgba(10, 11, 15, 0.95);
    z-index: 5;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.placeholder-icon {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
}

.canvas-placeholder h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.canvas-placeholder p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 320px;
    line-height: 1.5;
}

/* AI Scan Laser Effect Animation */
.scanner-laser {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, rgba(0, 229, 255, 0) 0%, var(--neon-blue) 50%, rgba(0, 229, 255, 0) 100%);
    box-shadow: 0 0 15px 4px var(--neon-blue);
    z-index: 10;
    pointer-events: none;
    opacity: 0;
    transform: translateY(0);
}

@keyframes scan-animation {
    0% { transform: translateY(0); opacity: 1; }
    50% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}

.scanner-laser.active {
    opacity: 1;
    animation: scan-animation 2.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* Scanner Matrix Grid Animation */
.scanner-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 229, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: 9;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.scanner-grid.active {
    opacity: 1;
}

/* Export Bar */
.export-bar {
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem !important;
    gap: 2rem;
    transition: var(--transition-smooth);
}

.export-bar.disabled {
    opacity: 0.3;
    pointer-events: none;
}

.tips-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.info-bulb {
    color: #ffd600;
    margin-right: 0.25rem;
}

.btn-primary {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--accent) 100%);
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(216, 67, 121, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(216, 67, 121, 0.4), 0 0 20px rgba(0, 229, 255, 0.2);
}

/* ==========================================================================
   API Integration & Modal Overlay CSS Styles
   ========================================================================== */

/* Header Logo & API indicator wrapper */
.logo-area-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.api-status-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    color: var(--neon-blue);
    border-color: var(--neon-blue);
    background: var(--neon-blue-glow);
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
}

.gear-icon {
    width: 20px;
    height: 20px;
    animation: rotate-gear 20s linear infinite;
    animation-play-state: paused;
}

.btn-icon:hover .gear-icon {
    animation-play-state: running;
}

@keyframes rotate-gear {
    100% { transform: rotate(360deg); }
}

.api-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
}

.api-indicator.disconnected {
    background: rgba(239, 68, 68, 0.08);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.2);
}

.api-indicator.connected {
    background: rgba(16, 185, 129, 0.08);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.2);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.1);
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.disconnected .indicator-dot {
    background-color: #ef4444;
    box-shadow: 0 0 8px #ef4444;
}

.connected .indicator-dot {
    background-color: #10b981;
    box-shadow: 0 0 8px #10b981;
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.6; }
    100% { transform: scale(1); opacity: 1; }
}

/* Smart Fit Buttons Layout */
.smart-fit-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-real-ai {
    background: none;
    border: none;
    color: #ff9100;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: var(--transition-smooth);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    background: rgba(255, 145, 0, 0.1);
    border: 1px solid rgba(255, 145, 0, 0.2);
}

/* Big Real AI Button */
.btn-real-ai-big {
    width: 100%;
    padding: 1.25rem 1.5rem;
    border-radius: 16px;
    border: none;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;

    /* Disabled state */
    background: rgba(255,255,255,0.04);
    border: 2px solid rgba(255,255,255,0.08);
    color: var(--text-muted);
}

.btn-real-ai-big:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.btn-real-ai-big:not(:disabled) {
    background: linear-gradient(135deg, #ff6b00 0%, #d84379 50%, #7c3aed 100%);
    border: 2px solid transparent;
    color: #fff;
    box-shadow: 0 4px 24px rgba(216, 67, 121, 0.4), 0 0 40px rgba(255, 107, 0, 0.2);
    animation: pulse-glow 2.5s ease-in-out infinite;
}

.btn-real-ai-big:not(:disabled):hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 32px rgba(216, 67, 121, 0.6), 0 0 60px rgba(255, 107, 0, 0.3);
}

.btn-real-ai-big:not(:disabled):active {
    transform: scale(0.98);
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 4px 24px rgba(216, 67, 121, 0.4), 0 0 40px rgba(255, 107, 0, 0.2); }
    50%       { box-shadow: 0 4px 32px rgba(216, 67, 121, 0.7), 0 0 60px rgba(255, 107, 0, 0.4); }
}

.ai-icon-big {
    font-size: 2rem;
    line-height: 1;
    filter: drop-shadow(0 0 8px rgba(255,150,0,0.8));
}

.ai-btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
}

.ai-btn-main {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.ai-btn-sub {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.8;
    letter-spacing: 0.02em;
}


.btn-real-ai:hover {
    color: #fff;
    background: #ff9100;
    box-shadow: 0 0 15px rgba(255, 145, 0, 0.4);
    border-color: #ff9100;
}

/* Modals Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 11, 15, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    width: 90%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-close:hover {
    color: var(--accent);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.modal-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.styled-select, .styled-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-smooth);
}

.styled-select:focus, .styled-input:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.15);
    background: rgba(255, 255, 255, 0.08);
}

.styled-select {
    cursor: pointer;
}

.styled-select option {
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

.input-password-wrapper {
    position: relative;
    width: 100%;
}

.btn-toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.btn-toggle-password:hover {
    opacity: 1;
}

.input-help {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.75rem;
}

/* AI Loading Modal Elements */
.loading-content {
    background: rgba(15, 16, 19, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2rem;
    max-width: 440px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.loading-title {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff9100 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.loading-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 320px;
}

/* Advanced AI Spinning Portal Animation */
.ai-loading-portal {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0.5rem;
}

.portal-ring {
    position: absolute;
    border: 2px solid transparent;
    border-radius: 50%;
}

.ring-1 {
    width: 110px;
    height: 110px;
    border-top-color: #ff9100;
    border-bottom-color: #ff9100;
    animation: rotate-portal 1.5s cubic-bezier(0.53, 0.21, 0.29, 0.67) infinite;
}

.ring-2 {
    width: 90px;
    height: 90px;
    border-left-color: var(--accent);
    border-right-color: var(--accent);
    animation: rotate-portal-reverse 2s cubic-bezier(0.42, 0, 0.58, 1) infinite;
}

.ring-3 {
    width: 70px;
    height: 70px;
    border-top-color: var(--neon-blue);
    border-bottom-color: var(--neon-blue);
    animation: rotate-portal 1s linear infinite;
}

.portal-core {
    font-size: 2.2rem;
    animation: bounce-core 1.5s ease-in-out infinite;
}

/* The user's own dog photo, shown inside the portal while the AI works */
.portal-dog {
    position: relative;
    width: 68px;
    height: 68px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(255, 145, 0, 0.65);
    box-shadow: 0 0 18px rgba(255, 145, 0, 0.45), inset 0 0 12px rgba(0, 0, 0, 0.35);
    animation: dog-breathe 2.4s ease-in-out infinite;
}

.portal-dog-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Cyan scan line sweeping over the photo — reads as "AI is working on it" */
.portal-dog-scan {
    position: absolute;
    left: 0;
    right: 0;
    height: 34%;
    background: linear-gradient(180deg,
        rgba(0, 229, 255, 0) 0%,
        rgba(0, 229, 255, 0.55) 50%,
        rgba(0, 229, 255, 0) 100%);
    animation: dog-scan 1.9s linear infinite;
}

/* Raincoat circling the dog while it waits to be "put on" */
.portal-orbit {
    position: absolute;
    width: 118px;
    height: 118px;
    animation: rotate-portal 3.6s linear infinite;
    pointer-events: none;
}

.portal-orbit .orbit-item {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.15rem;
    filter: drop-shadow(0 0 6px rgba(255, 145, 0, 0.6));
}

@keyframes dog-breathe {
    0%, 100% { transform: scale(1); box-shadow: 0 0 16px rgba(255, 145, 0, 0.4), inset 0 0 12px rgba(0, 0, 0, 0.35); }
    50%      { transform: scale(1.07); box-shadow: 0 0 26px rgba(255, 145, 0, 0.7), inset 0 0 12px rgba(0, 0, 0, 0.35); }
}

@keyframes dog-scan {
    0%   { top: -34%; }
    100% { top: 100%; }
}

@keyframes rotate-portal {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes rotate-portal-reverse {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

@keyframes bounce-core {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-6px) scale(1.08); filter: drop-shadow(0 0 10px rgba(255, 145, 0, 0.5)); }
}

/* Loading Progress Bar */
.loading-bar-container { display: none; }
.loading-desc { display: none; }

/* ── Step Tracker — 強化動畫版 ─────────────────────────────────────── */

/* Overall progress bar at top */
.step-progress-bar-wrap {
    width: 100%;
    max-width: 280px;
    margin: 1rem auto 0.5rem;
    height: 4px;
    background: rgba(255,255,255,0.07);
    border-radius: 4px;
    overflow: hidden;
}
.step-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #ff6b35, #f7c59f, #00c851);
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.34,1.56,0.64,1);
    box-shadow: 0 0 8px rgba(255,107,53,0.6);
}

.step-tracker {
    width: 100%;
    max-width: 320px;   /* a little more room so status text rarely truncates */
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    position: relative;
}

/* ── Circle ── */
.step-circle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 800;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    transition: background 0.4s, box-shadow 0.4s, transform 0.3s;
}

/* Pending */
.step-item.pending .step-circle {
    background: rgba(255,255,255,0.05);
    border: 2px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.2);
}

/* Active — sonar ripple rings */
.step-item.active .step-circle {
    background: linear-gradient(135deg, #ff6b35, #ffb347);
    border: 2px solid #ff6b35;
    color: #fff;
    animation: circlePulse 1.2s ease-in-out infinite;
}
.step-item.active .step-circle::before,
.step-item.active .step-circle::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(255,107,53,0.7);
    animation: sonarRing 1.8s ease-out infinite;
    pointer-events: none;
}
.step-item.active .step-circle::after {
    animation-delay: 0.9s;
}

/* Done — pop + green */
.step-item.done .step-circle {
    background: linear-gradient(135deg, #00e676, #00c851);
    border: 2px solid #00e676;
    color: #fff;
    box-shadow: 0 0 16px rgba(0,230,118,0.5);
    animation: stepPop 0.45s cubic-bezier(0.34,1.8,0.64,1) forwards;
}

/* ── Keyframes ── */
@keyframes circlePulse {
    0%, 100% { box-shadow: 0 0 10px rgba(255,107,53,0.4), 0 0 30px rgba(255,107,53,0.15); }
    50%       { box-shadow: 0 0 22px rgba(255,107,53,0.8), 0 0 50px rgba(255,107,53,0.3); }
}
@keyframes sonarRing {
    0%   { inset: 0;     opacity: 0.8; }
    100% { inset: -14px; opacity: 0;   }
}
@keyframes stepPop {
    0%   { transform: scale(0.6); }
    60%  { transform: scale(1.2); }
    100% { transform: scale(1);   }
}

/* ── Connector ── */
.step-connector {
    position: absolute;
    left: 18px;
    top: 38px;
    width: 2px;
    height: 24px;
    background: rgba(255,255,255,0.07);
    overflow: hidden;
    z-index: 1;
}
.step-connector::after {
    content: '';
    display: block;
    width: 100%;
    height: 0%;
    background: linear-gradient(to bottom, #ff6b35, #00e676);
    transition: height 0.6s ease;
}
.step-item.done .step-connector::after {
    height: 100%;
}
.step-item.done .step-connector {
    background: rgba(0,230,118,0.12);
}

/* ── Text ── */
.step-text {
    display: flex;
    flex-direction: column;
    padding-top: 7px;
    padding-bottom: 22px;
    min-width: 0;   /* lets the nowrap sub-text ellipsize instead of overflowing */
}
.step-name {
    font-size: 0.88rem;
    font-weight: 600;
    transition: color 0.4s, text-shadow 0.4s;
}
.step-sub {
    font-size: 0.72rem;
    margin-top: 2px;
    transition: color 0.4s;
    font-variant-numeric: tabular-nums;
    /* Status text changes length and swaps emoji in and out as it counts up.
       Left to itself the row reflows or grows taller (emoji have bigger metrics),
       the modal resizes, and — being centred — everything above it jumps.
       One line, fixed height: the row is the same size whatever is in it. */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 18px;
    line-height: 18px;
}

.step-item.pending .step-name { color: rgba(255,255,255,0.22); }
.step-item.pending .step-sub  { color: rgba(255,255,255,0.13); }
.step-item.active  .step-name { color: #ffb347; text-shadow: 0 0 12px rgba(255,107,53,0.6); }
.step-item.active  .step-sub  { color: rgba(255,179,71,0.7); }
.step-item.done    .step-name { color: #69f0ae; }
.step-item.done    .step-sub  { color: rgba(105,240,174,0.55); }


/* ==========================================================================
   📱 MOBILE RESPONSIVE STYLES
   ========================================================================== */

@media (max-width: 768px) {

    /* App container */
    .app-container {
        padding: 1rem 0.875rem;
        gap: 1rem;
    }

    /* Header */
    .brand-text {
        font-size: 1.6rem;
    }
    .tagline {
        font-size: 0.8rem;
    }
    .logo-area-wrapper {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    .api-status-container {
        width: 100%;
        justify-content: flex-end;
    }
    .api-indicator {
        font-size: 0.72rem;
        padding: 0.3rem 0.6rem;
    }

    /* Workspace: single column on mobile */
    .workspace {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* Left panel: no fixed height, full scroll */
    .left-panel {
        max-height: none;
        overflow-y: visible;
    }

    .glass-panel {
        padding: 1.25rem;
        border-radius: 14px;
    }

    .panel {
        gap: 1.25rem;
    }

    .section-title {
        font-size: 1rem;
    }

    /* Upload box: smaller on mobile */
    .upload-box {
        padding: 1.5rem 1rem;
    }
    .upload-icon {
        width: 32px;
        height: 32px;
    }
    .main-prompt {
        font-size: 0.85rem;
    }

    /* Preset buttons: stack on very small screens */
    .preset-buttons {
        gap: 0.5rem;
    }
    .btn-preset {
        padding: 0.6rem 0.4rem;
        font-size: 0.8rem;
        gap: 0.4rem;
    }

    /* Clothes carousel: horizontal scroll on mobile */
    .clothes-carousel {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 0.75rem;
        padding-bottom: 0.5rem;
    }
    .clothes-card {
        min-width: 110px;
        flex: 0 0 110px;
        scroll-snap-align: start;
    }

    /* Canvas: full width, auto height */
    .canvas-outer-container {
        aspect-ratio: 1 / 1;
    }

    /* Action buttons: larger tap targets */
    .action-buttons-row {
        gap: 0.75rem;
    }
    .btn-secondary {
        padding: 0.875rem 0.75rem;
        font-size: 0.85rem;
        border-radius: 12px;
        min-height: 48px;
    }
    .btn-text-accent {
        padding: 0.5rem 0.75rem;
        font-size: 0.82rem;
        min-height: 40px;
    }
    .btn-real-ai {
        padding: 0.5rem 0.75rem;
        font-size: 0.82rem;
        min-height: 40px;
    }

    /* Export bar: stack vertically */
    .export-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding: 1rem 1.25rem !important;
    }
    .tips-text {
        font-size: 0.8rem;
        text-align: center;
    }
    .btn-primary {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        min-height: 52px;
    }

    /* Sliders: larger touch area */
    .styled-slider {
        height: 8px;
    }
    .styled-slider::-webkit-slider-thumb {
        width: 22px;
        height: 22px;
    }

    /* Modals */
    .modal-backdrop {
        padding: 1rem;
        align-items: flex-end;
    }
    .modal-box {
        border-radius: 20px 20px 16px 16px;
        padding: 1.5rem 1.25rem;
        max-height: 90vh;
        overflow-y: auto;
    }
    .modal-title {
        font-size: 1.15rem;
    }
    .api-provider-select,
    .api-key-input {
        font-size: 1rem;
        padding: 0.8rem 1rem;
        min-height: 48px;
    }
    .btn-modal-confirm,
    .btn-modal-cancel {
        min-height: 48px;
        font-size: 0.95rem;
    }

    /* Loading modal */
    .ai-loading-modal .modal-box {
        padding: 2rem 1.5rem;
    }
    .loading-title {
        font-size: 1.3rem;
    }
    .loading-desc {
        font-size: 0.85rem;
    }

    /* Smart fit buttons: wrap */
    .smart-fit-buttons {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    /* Don't pre-show the demo dog preview on phones — reveal it once
       clothes are picked (or a result is ready) so the button isn't
       buried under a photo the user hasn't asked for yet. */
    .right-panel {
        display: none;
    }
    .right-panel.mobile-visible {
        display: flex;
        margin-top: 0.25rem;
        animation: mobileRevealFade 0.35s ease;
    }
}

@keyframes mobileRevealFade {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Extra small phones (< 380px) */
@media (max-width: 380px) {
    .brand-text {
        font-size: 1.35rem;
    }
    .glass-panel {
        padding: 1rem;
    }
    .clothes-card {
        min-width: 95px;
        flex: 0 0 95px;
    }
    .btn-preset {
        font-size: 0.72rem;
    }
}

/* Touch-friendly canvas cursor */
@media (hover: none) and (pointer: coarse) {
    #fitting-canvas {
        cursor: default;
        touch-action: none;
    }
    #fitting-canvas:active {
        cursor: default;
    }
}

/* ==========================================================================
   🐙 GITHUB CONFIG BUTTON & MODAL
   ========================================================================== */

.btn-github-config {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px;
    color: rgba(255,255,255,0.7);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.btn-github-config:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border-color: rgba(255,255,255,0.25);
}
.btn-github-config.configured {
    border-color: #4caf50;
    color: #4caf50;
}

/* Config Modal */
.github-config-content {
    max-width: 480px;
    width: 92%;
    padding: 2rem;
    background: #1a1a2e;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    position: relative;
}

.github-config-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.github-config-header svg { opacity: 0.9; }
.github-config-header h3 { font-size: 1.2rem; font-weight: 700; margin: 0; }
.github-config-header p  { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin: 0; }

.github-config-fields {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-bottom: 1.2rem;
}
.github-config-fields label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.6);
    font-weight: 600;
    letter-spacing: 0.03em;
}
.github-config-fields input {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    padding: 9px 12px;
    color: #fff;
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.2s;
    font-family: 'Outfit', monospace;
}
.github-config-fields input:focus { border-color: var(--accent); }
.github-config-fields small { font-size: 0.72rem; color: rgba(255,255,255,0.35); }
.github-config-fields code {
    background: rgba(255,255,255,0.1);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.token-input-wrap {
    display: flex;
    gap: 8px;
}
.token-input-wrap input { flex: 1; }
.btn-toggle-token {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    padding: 0 12px;
    cursor: pointer;
    font-size: 1rem;
    color: #fff;
    transition: background 0.2s;
}
.btn-toggle-token:hover { background: rgba(255,255,255,0.15); }

.github-config-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 0.8rem;
}
.btn-gh-save {
    flex: 1;
    padding: 10px;
    background: linear-gradient(135deg, var(--accent), var(--neon-blue));
    border: none;
    border-radius: 10px;
    color: #fff;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    transition: opacity 0.2s;
}
.btn-gh-save:hover { opacity: 0.85; }
.btn-gh-test {
    padding: 10px 16px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-gh-test:hover { background: rgba(255,255,255,0.12); }

.github-config-status {
    font-size: 0.82rem;
    min-height: 1.4em;
    margin-bottom: 0.8rem;
    text-align: center;
}
.github-config-status.ok    { color: #4caf50; }
.github-config-status.error { color: #ff5252; }

.github-config-hint {
    background: rgba(255,255,255,0.04);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
    padding: 0.8rem 1rem;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.8;
}
.github-config-hint strong { color: rgba(255,255,255,0.8); }
.github-config-hint code {
    background: rgba(255,255,255,0.1);
    padding: 1px 5px;
    border-radius: 3px;
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}
.modal-close:hover { color: #fff; }
/* ========================================================================== 
   🖥️ DESKTOP COMPACT — always fits without scrolling (must be LAST)
   ========================================================================== */
@media (min-width: 1025px) {
    .glass-panel        { padding: 1.25rem 1.5rem; }
    .panel              { gap: 0.85rem; flex: 1; justify-content: space-between; }
    .panel-section      { gap: 0.6rem; }
    .section-title      { font-size: 0.98rem; }

    /* Upload box */
    .upload-box         { padding: 0.9rem 1.5rem; }
    .upload-icon        { width: 30px; height: 30px; }
    .main-prompt        { font-size: 0.86rem; }
    .sub-prompt         { font-size: 0.75rem; }

    /* Sample dogs */
    .preset-container   { gap: 0.35rem; }
    .preset-label       { font-size: 0.78rem; }
    .btn-preset         { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
    .dog-thumb          { width: 18px; height: 18px; }

    /* Raincoat cards */
    .clothes-carousel   { gap: 0.55rem; }
    .clothes-card       { padding: 0.45rem; gap: 0.35rem; }
    .clothes-preview-container { aspect-ratio: 5/4; }
    .clothes-name       { font-size: 0.76rem; }
    .clothes-color-tag  { font-size: 0.65rem; padding: 0.08rem 0.28rem; }

    /* Real AI button */
    .btn-real-ai-big    { padding: 0.8rem 1.5rem; font-size: 0.92rem; }
}

/* ========================================================================== 
   🖥️ DESKTOP LAYOUT FIX — header compact + panel fills height
   ========================================================================== */
@media (min-width: 1025px) {
    /* Shrink header so workspace gets more room */
    .app-container      { padding: 0.75rem 2rem 1rem; gap: 0.75rem; }
    .app-header         { padding-bottom: 0.75rem; gap: 0.25rem; }
    .brand-text         { font-size: 1.9rem; }
    .tagline            { font-size: 0.82rem; }

    /* Workspace fills remaining viewport */
    .workspace          { align-items: stretch; }

    /* Left panel: taller max-height, use full space */
    .left-panel         { max-height: calc(100vh - 110px); }

    /* Glass panel stretches to fill left panel */
    .left-panel .glass-panel {
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    /* Panel fills glass panel and pushes AI button to bottom */
    .left-panel .panel  {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
}