/* CSS Stylesheet for FormaAI TRELLIS 3D Generator */

:root {
    --bg-dark: #070913;
    --panel-bg: rgba(13, 17, 33, 0.45);
    --panel-border: rgba(255, 255, 255, 0.08);
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.45);
    --primary-hover: #4f46e5;
    --accent: #d946ef;
    --accent-glow: rgba(217, 70, 239, 0.45);
    --success: #10b981;
    --info: #06b6d4;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dark: #4b5563;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Glowing Background Spheres */
.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    z-index: 0;
    opacity: 0.4;
    pointer-events: none;
}

.sphere-1 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--primary) 0%, rgba(99, 102, 241, 0) 70%);
    top: -100px;
    left: -150px;
}

.sphere-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent) 0%, rgba(217, 70, 239, 0) 70%);
    bottom: -150px;
    right: -100px;
}

.sphere-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--info) 0%, rgba(6, 182, 212, 0) 70%);
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* App Container */
.app-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 30px 20px;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    font-size: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text h1 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-text h1 span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.status-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-border);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    font-size: 8px;
}

.status-dot.online {
    color: var(--success);
    text-shadow: 0 0 8px var(--success);
}

/* Glassmorphism Panel styles */
.glass {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.glass-dark {
    background: rgba(4, 6, 15, 0.75);
    backdrop-filter: blur(12px);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-md);
}

/* Workspace Layout */
.app-workspace {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 25px;
}

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

.workspace-panel {
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    min-height: 520px;
}

.panel-header h2 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Upload zone */
.upload-zone {
    width: 100%;
    height: 200px;
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.04);
}

.upload-content {
    text-align: center;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.upload-icon {
    font-size: 40px;
    color: var(--text-muted);
    transition: var(--transition);
}

.upload-zone:hover .upload-icon {
    color: var(--primary);
    transform: translateY(-4px);
}

.upload-title {
    font-size: 14px;
    font-weight: 600;
}

.upload-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.upload-limit {
    font-size: 10px;
    color: var(--text-dark);
    margin-top: 5px;
}

.preview-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.preview-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.2);
}

.preview-overlay {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
}

/* Accordion menu for settings */
.parameters-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.section-title h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.07);
}

.input-with-checkbox {
    display: flex;
    align-items: center;
    gap: 15px;
}

.input-with-checkbox .form-control {
    flex: 1;
}

/* Custom Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 26px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 18px;
    width: 18px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    transition: var(--transition);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Accordion */
.accordion-item {
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.01);
}

.accordion-title {
    padding: 12px 14px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
}

.accordion-title:hover {
    background: rgba(255, 255, 255, 0.04);
}

.accordion-content {
    padding: 14px;
    display: none;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.accordion-item.open .accordion-content {
    display: block;
}

.accordion-item.open .accordion-title i {
    transform: rotate(180deg);
}

.accordion-title i {
    transition: var(--transition);
    font-size: 10px;
}

/* Sliders */
.slider-header {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
}

.slider-val {
    color: var(--primary);
    font-weight: 700;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary-glow);
    cursor: pointer;
    transition: var(--transition);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.25);
}

/* Buttons */
.btn {
    font-family: var(--font-body);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 20px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    text-decoration: none;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-primary:disabled {
    background: var(--text-dark);
    box-shadow: none;
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.12);
}

.btn-success {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(.disabled) {
    background: #0d9488;
    transform: translateY(-2px);
}

.btn-success.disabled {
    background: #1f2937;
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-info {
    background: var(--info);
    color: white;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.btn-info:hover {
    background: #0891b2;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 16px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

/* Tabs */
.tabs-header {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 12px;
}

.panel-tab {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.panel-tab:hover:not(:disabled) {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.03);
}

.panel-tab.active {
    color: white;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.panel-tab:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Tab Content */
.tab-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 350px;
    position: relative;
}

/* Placeholders */
.video-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 15px;
    color: var(--text-muted);
}

.placeholder-icon-wrap {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 30px;
    color: rgba(255, 255, 255, 0.3);
}

.video-placeholder h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--text-main);
}

.video-placeholder p {
    font-size: 13px;
    max-width: 320px;
    line-height: 1.5;
}

/* Video Player */
.video-container {
    width: 100%;
    height: 350px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: black;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 3D Model Viewer */
.viewer-container {
    width: 100%;
    height: 350px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: radial-gradient(circle, #191c2c 0%, #0c0e18 100%);
    position: relative;
}

model-viewer {
    width: 100%;
    height: 100%;
    --poster-color: transparent;
}

.viewer-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Export section */
.export-controls {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.export-header h4 {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

.export-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.glb-baking-config {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 12px;
}

.config-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.form-group-inline {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group-inline label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
}

.form-control-inline {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    outline: none;
    font-family: var(--font-body);
}

.download-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

/* History Section */
.history-section {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.history-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    min-height: 120px;
}

.gallery-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-dark);
    padding: 40px;
}

.gallery-empty i {
    font-size: 36px;
}

/* History Card */
.history-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.history-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.card-media {
    position: relative;
    width: 100%;
    height: 140px;
    background: black;
    overflow: hidden;
}

.card-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}

.card-delete {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
}

.history-card:hover .card-delete {
    opacity: 1;
}

.card-delete:hover {
    background: var(--danger);
    color: white;
}

.card-info {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-main);
}

.card-meta {
    font-size: 10px;
    color: var(--text-muted);
}

.card-actions {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.card-actions .btn {
    flex: 1;
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.05); opacity: 0.6; }
    100% { transform: scale(1); opacity: 0.3; }
}

.animate-pulse {
    animation: pulse 3s ease-in-out infinite;
}

/* Toast Messages */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}

.toast {
    background: rgba(13, 17, 33, 0.9);
    border-left: 4px solid var(--primary);
    border-top: 1px solid var(--panel-border);
    border-bottom: 1px solid var(--panel-border);
    border-right: 1px solid var(--panel-border);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    min-width: 250px;
    max-width: 350px;
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition: var(--transition);
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast.success { border-left-color: var(--success); }
.toast.info { border-left-color: var(--info); }
.toast.warning { border-left-color: var(--warning); }
.toast.error { border-left-color: var(--danger); }