/* ===== RESET Y VARIABLES - TONALIDADES VERDES ===== */
:root {
    --verde-oscuro: #0b4f2e;
    --verde-principal: #1e7b4b;
    --verde-claro: #2e9e62;
    --verde-suave: #d1fae5;
    --verde-menta: #e8f5e9;
    
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-sidebar: #0f2b1a;        /* Sidebar más oscuro con tono verde */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --primary: var(--verde-principal);
    --primary-hover: var(--verde-claro);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

/* ===== LAYOUT PRINCIPAL ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR CON TONOS VERDES ===== */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--verde-oscuro) 0%, #0a3b22 100%);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.1);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    border: 2px solid var(--verde-claro);
}

.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.sidebar.collapsed .sidebar-title {
    display: none;
}

.sidebar-nav {
    padding: 20px 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: #e0f2e5;
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 5px;
    transition: all 0.3s;
    white-space: nowrap;
}

.nav-item i {
    font-size: 20px;
    min-width: 20px;
    color: #a7d8b7;
}

.nav-item:hover {
    background: var(--verde-principal);
    color: white;
}

.nav-item:hover i {
    color: white;
}

.nav-item.active {
    background: var(--verde-principal);
    color: white;
    box-shadow: 0 4px 10px rgba(30, 123, 75, 0.3);
}

.nav-item.active i {
    color: white;
}

.nav-item.logout {
    margin-top: 20px;
    color: #fca5a5;
}

.nav-item.logout i {
    color: #fca5a5;
}

.nav-item.logout:hover {
    background: var(--danger);
    color: white;
}

.nav-item.logout:hover i {
    color: white;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 20px 0;
}

.nav-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    margin: 10px 0;
    border: 1px solid var(--verde-principal);
}

.nav-user-info i {
    font-size: 30px;
    color: var(--verde-claro);
}

.user-name {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: white;
}

.user-role {
    display: block;
    font-size: 12px;
    color: #a7d8b7;
}

.sidebar-toggle {
    position: absolute;
    right: -12px;
    top: 20px;
    background: var(--verde-principal);
    color: white;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    z-index: 1001;
    box-shadow: var(--shadow-md);
}

.sidebar.collapsed .sidebar-toggle i {
    transform: rotate(180deg);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
    transition: margin-left 0.3s ease;
    background: var(--bg-primary);
}

.main-content.full-width {
    margin-left: 0;
}

.sidebar.collapsed + .main-content {
    margin-left: 70px;
}

/* Mobile header */
.mobile-header {
    display: none;
    background: white;
    padding: 15px 20px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    align-items: center;
    gap: 15px;
    border-left: 4px solid var(--verde-principal);
}

.mobile-menu-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--verde-oscuro);
    cursor: pointer;
}

.mobile-logo {
    height: 35px;
}

/* ===== PAGE HEADER ===== */
.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--verde-oscuro);
    margin-bottom: 8px;
}

.page-header p {
    color: var(--text-muted);
    font-size: 15px;
}

/* ===== STATS CARDS CON ACENTOS VERDES ===== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all 0.3s;
    border-bottom: 3px solid var(--verde-principal);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card .label {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-card .label i {
    color: var(--verde-principal);
    font-size: 16px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--verde-oscuro);
    margin-bottom: 8px;
}

.stat-card .trend {
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.trend-up {
    color: var(--verde-principal);
}

.trend-down {
    color: var(--danger);
}

/* ===== SECTION CARDS ===== */
.section-card {
    background: white;
    border-radius: 20px;
    padding: 28px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--verde-oscuro);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--verde-menta);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--verde-principal);
    font-size: 20px;
}

/* ===== FORMULARIOS ===== */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--verde-oscuro);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--verde-principal);
    box-shadow: 0 0 0 4px rgba(30, 123, 75, 0.1);
}

.form-group input[readonly] {
    background: var(--bg-primary);
    cursor: not-allowed;
}

.form-group small {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== BOTONES CON VERDES ===== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--verde-principal);
    color: white;
}

.btn-primary:hover {
    background: var(--verde-claro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 123, 75, 0.3);
}

.btn-success {
    background: var(--verde-principal);
    color: white;
}

.btn-success:hover {
    background: var(--verde-claro);
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--verde-oscuro);
}

.btn-outline:hover {
    background: var(--verde-menta);
    border-color: var(--verde-principal);
    color: var(--verde-principal);
}

/* ===== TABLAS ===== */
.table-wrapper {
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 16px 12px;
    background: var(--verde-menta);
    color: var(--verde-oscuro);
    font-weight: 600;
    font-size: 14px;
    border-bottom: 2px solid var(--verde-principal);
}

td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 14px;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: var(--verde-menta);
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: var(--verde-suave);
    color: var(--verde-oscuro);
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* ===== ALERTAS ===== */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.alert-success {
    background: var(--verde-suave);
    color: var(--verde-oscuro);
    border-left: 4px solid var(--verde-principal);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-left: 4px solid var(--primary);
}

/* ===== BUSCADOR ===== */
.search-box {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 8px 20px;
    max-width: 400px;
    margin-bottom: 20px;
}

.search-box i {
    color: var(--verde-principal);
    margin-right: 10px;
    font-size: 16px;
}

.search-box input {
    border: none;
    padding: 8px 0;
    width: 100%;
    outline: none;
    font-size: 14px;
}

.search-box input::placeholder {
    color: var(--text-light);
}

/* ===== FILTROS ===== */
.filters-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 5px 15px;
    border-radius: 40px;
    border: 1px solid var(--border);
}

.filter-group label {
    font-size: 14px;
    color: var(--text-muted);
}

.filter-group select,
.filter-group input {
    border: none;
    padding: 8px 0;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: var(--text-primary);
}

/* ===== FOOTER MEJORADO CON VERDES ===== */
.footer-enhanced {
    margin-top: 40px;
    padding: 40px 0 30px;
    background: white;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-enhanced .brand {
    font-weight: 700;
    color: var(--verde-oscuro);
    font-size: 20px;
    margin-bottom: 10px;
}

.footer-enhanced .slogan {
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 14px;
}

.footer-enhanced .cta-button {
    display: inline-block;
    padding: 14px 40px;
    background: var(--verde-principal);
    color: white;
    text-decoration: none;
    border-radius: 40px;
    font-weight: 500;
    transition: all 0.3s;
    margin: 20px 0;
    box-shadow: var(--shadow-sm);
}

.footer-enhanced .cta-button:hover {
    background: var(--verde-claro);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.footer-enhanced .copyright {
    margin-top: 30px;
    color: var(--text-light);
    font-size: 13px;
}

.footer-enhanced .copyright span {
    display: block;
    margin-top: 5px;
    font-size: 12px;
}

/* ===== DIVISOR ===== */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    margin: 30px 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border);
}

.divider span {
    padding: 0 15px;
}

/* ===== LOGIN ===== */
.login-container {
    max-width: 420px;
    margin: 80px auto;
    padding: 40px;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border-top: 4px solid var(--verde-principal);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header img {
    height: 80px;
    width: auto;
    margin-bottom: 20px;
    border: 2px solid var(--verde-menta);
    border-radius: 50%;
    padding: 5px;
}

.login-header h1 {
    color: var(--verde-oscuro);
    font-size: 24px;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar {
        left: -260px;
    }
    
    .sidebar.mobile-open {
        left: 0;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 20px;
    }
    
    .mobile-header {
        display: flex;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
    }
    
    .section-card {
        padding: 20px;
    }
    
    .login-container {
        margin: 40px 20px;
        padding: 30px 20px;
    }
}