:root {
    --bg-primary: #0b0f19;
    --bg-surface: #161e2e;
    --bg-surface-hover: #1f293d;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(99, 102, 241, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-indigo: #6366f1;
    --accent-indigo-hover: #4f46e5;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', 'Outfit', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 2.5rem 1.5rem;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(6, 182, 212, 0.08) 0%, transparent 45%);
}

.app-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(22, 30, 46, 0.75);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.header-branding {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.logo-icon {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.header-branding h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-top: 0.1rem;
}

.stats-pills {
    display: flex;
    gap: 0.75rem;
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 1.3rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-pill strong {
    color: var(--text-primary);
}

/* Toolbar */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 280px;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.05rem;
}

.search-box input {
    width: 100%;
    padding: 0.9rem 2.8rem 0.9rem 3.2rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-indigo);
    box-shadow: var(--shadow-glow);
}

.clear-btn {
    position: absolute;
    right: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
}

.clear-btn:hover {
    color: var(--text-primary);
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.view-toggle {
    display: flex;
    background: var(--bg-surface);
    padding: 0.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.toggle-btn.active, .toggle-btn:hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.3rem;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-indigo-hover));
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

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

.btn-block {
    width: 100%;
}

/* Grid & List Layouts */
.projects-container.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 1.75rem;
}

.projects-container.list-view {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Tarjeta de Proyecto */
.project-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-highlight);
    box-shadow: var(--shadow-md);
}

/* Portada / Media */
.card-media {
    position: relative;
    width: 100%;
    height: 190px;
    background: #0d131f;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .card-img {
    transform: scale(1.06);
}

.card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, #131b2a, #1c273c);
    color: var(--text-muted);
}

.card-placeholder i {
    font-size: 2.5rem;
    opacity: 0.6;
}

.card-placeholder span {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* Badges sobre la portada */
.media-badge {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    z-index: 2;
}

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 0.8rem;
    border-radius: 30px;
    backdrop-filter: blur(8px);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.badge-active {
    background: rgba(16, 185, 129, 0.85);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

.badge-active i {
    font-size: 0.45rem;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.85);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

/* Cuerpo de la Tarjeta */
.card-body {
    padding: 1.25rem 1.25rem 0.5rem 1.25rem;
    flex: 1;
}

.project-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.folder-name {
    font-size: 0.83rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.card-footer {
    padding: 1rem 1.25rem 1.25rem 1.25rem;
}

/* Ajustes para Vista en Lista */
.projects-container.list-view .project-card {
    flex-direction: row;
    align-items: center;
    height: 110px;
}

.projects-container.list-view .card-media {
    width: 170px;
    height: 100%;
    flex-shrink: 0;
}

.projects-container.list-view .card-body {
    padding: 1rem 1.5rem;
}

.projects-container.list-view .card-footer {
    padding: 1rem 1.5rem;
    min-width: 200px;
    flex-shrink: 0;
}

/* Estado Vacío */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-surface);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.empty-icon {
    font-size: 3.5rem;
    color: var(--text-muted);
}

.empty-state h3 {
    font-size: 1.35rem;
    font-weight: 600;
}

.empty-state p {
    color: var(--text-secondary);
    max-width: 520px;
    line-height: 1.6;
}

@media (max-width: 768px) {
    body {
        padding: 1.5rem 1rem;
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .projects-container.list-view .project-card {
        flex-direction: column;
        height: auto;
    }

    .projects-container.list-view .card-media {
        width: 100%;
        height: 170px;
    }
}