/* --- SYSTEM DESIGN & VARIABLES --- */
:root {
    --bg-app: #0a0c10;
    --bg-card: #12151c;
    --bg-card-hover: #171b24;
    --border-color: #222936;
    --border-color-focus: #4c566a;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent: #8b5cf6;       /* Violet électrique */
    --accent-hover: #7c3aed;
    --accent-light: rgba(139, 92, 246, 0.1);
    
    --success: #10b981;      /* Vert néon */
    --success-light: rgba(16, 185, 129, 0.1);
    
    --danger: #ef4444;       /* Rouge corail */
    --danger-hover: #dc2626;
    --danger-light: rgba(239, 68, 68, 0.15);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;

    /* Thème sombre variables d'éléments */
    --bg-badge: rgba(255, 255, 255, 0.05);
    --bg-btn-secondary: rgba(255, 255, 255, 0.05);
    --bg-btn-secondary-hover: rgba(255, 255, 255, 0.1);
    --bg-btn-icon: rgba(255, 255, 255, 0.03);
    --bg-btn-icon-hover: rgba(255, 255, 255, 0.08);
    --bg-viewport: #050608;
    --bg-drop-zone: rgba(255, 255, 255, 0.01);
    --bg-modal-overlay: rgba(5, 6, 8, 0.8);
    --shadow-modal: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4), 0 0 40px rgba(139, 92, 246, 0.15);
}

body.light-theme {
    --bg-app: #f1f5f9; /* Soft cool grey background */
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --border-color: #cbd5e1; /* Subtle slate border */
    --border-color-focus: #94a3b8;
    
    --text-primary: #0f172a; /* Slate dark text */
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --accent: #6d28d9; /* Deep violet for readability */
    --accent-hover: #5b21b6;
    --accent-light: rgba(109, 40, 217, 0.08);
    
    --success: #059669;
    --success-light: rgba(5, 150, 105, 0.08);
    
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --danger-light: rgba(220, 38, 38, 0.08);
    
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -1px rgba(15, 23, 42, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -2px rgba(15, 23, 42, 0.02);

    /* Thème clair variables d'éléments */
    --bg-badge: rgba(15, 23, 42, 0.06);
    --bg-btn-secondary: #ffffff;
    --bg-btn-secondary-hover: #f8fafc;
    --bg-btn-icon: rgba(15, 23, 42, 0.03);
    --bg-btn-icon-hover: rgba(15, 23, 42, 0.06);
    --bg-viewport: #0f172a; /* Keep dark viewport for image visibility */
    --bg-drop-zone: rgba(109, 40, 217, 0.01);
    --bg-modal-overlay: rgba(15, 23, 42, 0.4);
    --shadow-modal: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.04), 0 0 40px rgba(109, 40, 217, 0.04);
}

/* --- THEME TOGGLE SWITCH --- */
.theme-switch {
    position: relative;
    width: 44px;
    height: 24px;
    border-radius: var(--radius-full);
    background-color: var(--border-color);
    border: 1px solid var(--border-color);
    cursor: pointer;
    padding: 2px;
    display: flex;
    align-items: center;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
    outline: none;
}

.theme-switch-handle {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

/* Positions and icons based on theme */
.theme-switch .sun-icon {
    display: none;
}

.theme-switch .moon-icon {
    display: block;
    color: #f59e0b; /* Yellow/Amber moon */
}

body.light-theme .theme-switch-handle {
    transform: translateX(20px);
    background-color: #ffffff;
}

body.light-theme .theme-switch .sun-icon {
    display: block;
    color: #ea580c; /* Warm orange sun */
}

body.light-theme .theme-switch .moon-icon {
    display: none;
}

/* --- RESET & GLOBAL STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    padding: 2rem 1rem;
}

/* --- APP CONTAINER --- */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* --- HEADER --- */
.app-header {
    text-align: center;
    margin-bottom: 0.5rem;
}

.logo-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.logo-icon {
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 3s infinite ease-in-out;
}

.logo-area h1 {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* --- MAIN GRID LAYOUT --- */
.app-main {
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: 2rem;
    align-items: start;
}

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

/* --- REUSABLE CARDS --- */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: border-color var(--transition-normal);
}

.card:hover {
    border-color: rgba(139, 92, 246, 0.2);
}

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

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* --- BADGES & LABELS --- */
.badge {
    background-color: var(--bg-badge);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.badge-accent {
    background-color: var(--accent-light);
    color: var(--accent);
    border-color: rgba(139, 92, 246, 0.3);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

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

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

.btn-danger-outline {
    background-color: transparent;
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.btn-danger-outline:hover {
    background-color: var(--danger-light);
    border-color: var(--danger);
}

.btn-icon {
    background-color: var(--bg-btn-icon);
    border-color: var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem;
}

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

.btn-round {
    border-radius: var(--radius-full);
    padding: 1rem;
}

.hidden {
    display: none !important;
}

/* --- VIEWPORT (LECTEUR) --- */
.viewport-container {
    width: 100%;
    aspect-ratio: 4 / 3;
    background-color: var(--bg-viewport);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}

.viewport {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.viewport img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.viewport-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-muted);
    text-align: center;
    padding: 2rem;
}

.viewport-placeholder p {
    font-size: 0.875rem;
    max-width: 240px;
}

/* --- CONTROLES DU LECTEUR --- */
.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin: 0.5rem 0;
}

/* --- PARAMETRES --- */
.settings-panel {
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.setting-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.setting-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.label-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Custom Slider */
.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--border-color);
    outline: none;
    transition: background var(--transition-fast);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.5);
}

.slider::-webkit-slider-thumb:hover {
    background: var(--accent-hover);
    transform: scale(1.2);
}

.editor-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Actions rapides */
.quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

#btn-load-demo {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

#btn-load-demo:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
}

body.light-theme #btn-load-demo {
    background-color: transparent;
    border-color: rgba(15, 23, 42, 0.15);
    color: var(--text-primary);
}

body.light-theme #btn-load-demo:hover {
    background-color: rgba(15, 23, 42, 0.05);
    border-color: rgba(15, 23, 42, 0.3);
}

/* --- GALERIE & UPLOAD --- */
.gallery-section {
    height: 100%;
}

.gallery-card {
    height: 100%;
    min-height: 520px;
}

/* Zone d'Upload */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-normal);
    background-color: var(--bg-drop-zone);
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--accent);
    background-color: var(--accent-light);
}

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

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
}

.drop-icon {
    color: var(--text-muted);
    transition: color var(--transition-normal);
}

.drop-zone:hover .drop-icon, .drop-zone.drag-over .drop-icon {
    color: var(--accent);
    transform: translateY(-2px);
}

.drop-main-text {
    font-size: 1rem;
    font-weight: 500;
}

.drop-sub-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Galerie Grille */
.gallery-scroll-container {
    flex-grow: 1;
    overflow-y: auto;
    max-height: 400px;
    padding: 0.5rem 0.25rem 0.5rem 0.5rem; /* padding à gauche, droite, haut et bas pour laisser de la place aux survois de vignettes */
    margin-top: 0.5rem; /* Espace réduit sous la zone d'upload, le padding-top suffisant à éviter les rognages au survol */
}

/* Custom Scrollbar */
.gallery-scroll-container::-webkit-scrollbar {
    width: 6px;
}

.gallery-scroll-container::-webkit-scrollbar-track {
    background: transparent;
}

.gallery-scroll-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.gallery-scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
}

.gallery-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 150px;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
}

/* --- TIMELINE FRAME ITEM --- */
.frame-item {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-sm);
    overflow: visible; /* Permet d'afficher les barres d'insertion du drag & drop à l'extérieur des vignettes */
    background-color: var(--bg-viewport);
    border: 2px solid var(--border-color);
    cursor: grab;
    user-select: none;
    transition: transform var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
}

.frame-item:hover {
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.frame-item.active-playing {
    border-color: var(--success);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

.frame-item.dragging {
    opacity: 0.4;
    cursor: grabbing;
}

/* Lignes indicatrices d'insertion violettes pour le drag & drop */
.frame-item.drag-insert-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10px; /* Centré au milieu du gap de 16px de la grille */
    width: 4px;
    height: 100%;
    background-color: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    border-radius: var(--radius-full);
    z-index: 20;
    pointer-events: none;
}

.frame-item.drag-insert-right::after {
    content: '';
    position: absolute;
    top: 0;
    right: -10px; /* Centré au milieu du gap de 16px */
    width: 4px;
    height: 100%;
    background-color: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    border-radius: var(--radius-full);
    z-index: 20;
    pointer-events: none;
}

.frame-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    border-radius: inherit; /* Conserve les angles arrondis malgré l'overflow visible */
    transition: transform var(--transition-normal); /* Animation de rotation fluide */
}

.frame-badge {
    position: absolute;
    bottom: 4px;
    left: 4px;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 0.65rem;
    padding: 1px 5px;
    border-radius: 4px;
    font-weight: 600;
}

.frame-delete-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background-color: rgba(239, 68, 68, 0.9);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.frame-item:hover .frame-delete-btn {
    opacity: 1;
}

.frame-delete-btn:hover {
    transform: scale(1.15);
    background-color: var(--danger-hover);
}

.frame-delete-btn svg {
    width: 10px;
    height: 10px;
}

/* Multi-sélection */
.frame-item.selected {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.4);
}

.frame-item.selected.active-playing {
    border-color: var(--success);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4), 0 0 0 2px var(--accent);
}

.frame-select-checkbox {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
    z-index: 10;
}

.frame-select-checkbox::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
}

.frame-item:hover .frame-select-checkbox,
.frame-item.selected .frame-select-checkbox {
    opacity: 1;
}

.frame-item.selected .frame-select-checkbox {
    background-color: var(--accent);
    border-color: var(--accent);
}

.frame-select-checkbox::after {
    content: '';
    width: 6px;
    height: 3px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translate(0.5px, -0.5px);
    opacity: 0;
}

.frame-item.selected .frame-select-checkbox::after {
    opacity: 1;
}

/* Barre de multi-sélection */
.selection-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--accent-light);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    animation: slideDown 0.2s ease-out;
}

.selection-bar span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
}

.selection-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-xs {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.btn-danger {
    background-color: var(--danger);
    color: var(--text-primary);
    border: 1px solid transparent;
}

.btn-danger:hover {
    background-color: var(--danger-hover);
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 2px rgba(139, 92, 246, 0.2));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.6));
    }
}

/* --- FENÊTRE D'ACCUEIL (MODAL) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-modal-overlay);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 580px;
    box-shadow: var(--shadow-modal);
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.show .modal-card {
    transform: translateY(0) scale(1);
}

.modal-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.modal-logo {
    color: var(--accent);
    background: var(--accent-light);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(139, 92, 246, 0.25);
    animation: float 3s ease-in-out infinite;
}

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

.modal-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.modal-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.demo-alert {
    display: flex;
    gap: 0.75rem;
    background: var(--accent-light);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    align-items: flex-start;
}

.alert-icon {
    font-size: 1.25rem;
    line-height: 1.2;
}

.alert-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.alert-text strong {
    color: var(--accent);
    font-weight: 600;
}

.modal-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-top: 0.25rem;
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 240px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

/* Scrollbar pour le guide */
.guide-steps::-webkit-scrollbar {
    width: 4px;
}
.guide-steps::-webkit-scrollbar-track {
    background: transparent;
}
.guide-steps::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.guide-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-num {
    background-color: var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.15rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.guide-step:hover .step-num {
    background-color: var(--accent-light);
    color: var(--accent);
    border-color: rgba(139, 92, 246, 0.3);
}

.step-content {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.step-content h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.modal-footer {
    display: flex;
    margin-top: 0.5rem;
}

.btn-block {
    width: 100%;
}

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