/* SISTEMA ENCOMIENDAS PRO v2.0 - CSS MODERNO */
:root {
    --primary: #6366f1; --primary-dark: #4f46e5; --success: #10b981; --warning: #f59e0b; --danger: #ef4444;
    --dark: #1e293b; --gray-600: #475569; --gray-300: #cbd5e1; --gray-100: #f1f5f9; --white: #ffffff;
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1); --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius: 0.5rem; --radius-lg: 1rem; --transition: all 0.3s ease;
}
[data-theme="dark"] {
    --primary: #818cf8; --dark: #f8fafc; --white: #0f172a; --gray-100: #334155; --gray-300: #64748b; --gray-600: #cbd5e1;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Outfit', sans-serif; background: var(--gray-100); color: var(--dark); line-height: 1.6; }
.header { background: linear-gradient(135deg, var(--primary), #8b5cf6); color: white; padding: 1.5rem 2rem; box-shadow: var(--shadow-lg); position: sticky; top: 0; z-index: 1000; }
.header h1 { font-size: 1.75rem; font-weight: 800; margin-bottom: 0.5rem; }
.user-info { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-top: 1rem; }
.user-badge { display: flex; align-items: center; gap: 0.75rem; background: rgba(255,255,255,0.15); padding: 0.5rem 1rem; border-radius: var(--radius-lg); backdrop-filter: blur(10px); }
.nav-links { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.nav-link { color: white; text-decoration: none; padding: 0.5rem 1rem; border-radius: var(--radius); font-weight: 600; transition: var(--transition); background: rgba(255,255,255,0.1); }
.nav-link:hover { background: rgba(255,255,255,0.25); transform: translateY(-2px); }
.nav-link.active { background: rgba(255,255,255,0.3); box-shadow: var(--shadow-md); }
.container { max-width: 1400px; margin: 0 auto; padding: 2rem; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.stat-card { background: var(--white); padding: 1.5rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); transition: var(--transition); border-left: 4px solid var(--primary); }
.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.danger { border-left-color: var(--danger); }
.stat-card .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.stat-card .number { font-size: 2rem; font-weight: 800; color: var(--dark); font-family: 'Space Mono', monospace; }
.stat-card .label { color: var(--gray-600); font-weight: 600; font-size: 0.9rem; text-transform: uppercase; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--gray-700); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.75rem 1rem; border: 2px solid var(--gray-300); border-radius: var(--radius); font-size: 1rem; transition: var(--transition); }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border: none; border-radius: var(--radius); font-weight: 600; cursor: pointer; transition: var(--transition); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; box-shadow: var(--shadow-md); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; }
.btn-block { width: 100%; }
.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }
.table-container { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
table { width: 100%; border-collapse: collapse; }
thead { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; }
thead th { padding: 1rem; text-align: left; font-weight: 700; text-transform: uppercase; font-size: 0.85rem; }
tbody tr { border-bottom: 1px solid var(--gray-100); transition: var(--transition); }
tbody tr:hover { background: var(--gray-100); }
tbody td { padding: 1rem; }
.badge { display: inline-block; padding: 0.35rem 0.75rem; border-radius: var(--radius); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; }
.badge-pendiente { background: rgba(245,158,11,0.15); color: var(--warning); border: 1px solid var(--warning); }
.badge-entregada { background: rgba(16,185,129,0.15); color: var(--success); border: 1px solid var(--success); }
.badge-anulada { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid var(--danger); }
.mensaje { padding: 1rem 1.5rem; border-radius: var(--radius); margin-bottom: 1.5rem; font-weight: 600; display: flex; align-items: center; gap: 0.75rem; }
.mensaje.success { background: rgba(16,185,129,0.1); color: var(--success); border-left: 4px solid var(--success); }
.mensaje.error { background: rgba(239,68,68,0.1); color: var(--danger); border-left: 4px solid var(--danger); }
.login-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), #8b5cf6); padding: 2rem; }
.login-box { background: var(--white); padding: 3rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); width: 100%; max-width: 450px; }
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo h1 { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; }
.charts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 2rem; margin: 2rem 0; }
.chart-card { background: var(--white); padding: 1.5rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.chart-card h3 { margin-bottom: 1.5rem; font-weight: 700; }
.filters { background: var(--white); padding: 1.5rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); margin-bottom: 2rem; }
.filters form { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; align-items: end; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { animation: fadeInUp 0.6s ease; }
.toast-container { position: fixed; top: 2rem; right: 2rem; z-index: 9999; }
.toast { background: var(--white); padding: 1rem 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow-lg); margin-bottom: 0.75rem; border-left: 4px solid var(--primary); animation: fadeInUp 0.3s ease; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.theme-switcher { position: fixed; bottom: 2rem; right: 2rem; z-index: 1000; }
.theme-btn { width: 60px; height: 60px; border-radius: 50%; background: var(--white); border: 2px solid var(--gray-300); box-shadow: var(--shadow-lg); cursor: pointer; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.theme-btn:hover { transform: scale(1.1); }
@media (max-width: 768px) {
    .header h1 { font-size: 1.5rem; }
    .user-info, .nav-links { flex-direction: column; }
    .stats-grid, .charts-grid { grid-template-columns: 1fr; }
    .filters form { grid-template-columns: 1fr; }
}

/* ===== MODALES ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-content {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-content h2 {
    color: var(--dark);
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-size: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: flex-end;
}

/* ===== LOADING SPINNER ===== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* ===== ANIMACIÓN PULSE ===== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ===== SCROLLBAR PERSONALIZADO ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ===== GRID HELPERS ===== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header, .nav-links, .theme-switcher, .btn, .filters {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .table-container {
        box-shadow: none;
        border: 1px solid #000;
    }
}