/* ===================================================
   PALETA DE COLORES - VALLERMOSSO II
   =================================================== */
:root {
    --bg-main: #F7F5F0;
    --bg-card: #FFFFFF;
    --primary: #A38F78;
    --primary-dark: #7D6B56;
    --secondary: #D8CFC4;
    --accent: #6E7E65;
    --danger: #B86B61;
    --text-main: #36322E;
    --text-muted: #7A7268;
    --sidebar-bg: #2E2A27;
    --sidebar-hover: #3E3732;
    --sidebar-active: #4A3F38;
    --sidebar-text: #C8BFB4;
    --sidebar-text-active: #FFFFFF;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --shadow: 0 2px 12px rgba(54, 50, 46, 0.08);
    --shadow-lg: 0 8px 24px rgba(54, 50, 46, 0.12);
    --radius: 10px;
    --radius-sm: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===================================================
   SIDEBAR
   =================================================== */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, #2E2A27 0%, #1E1B19 100%);
    color: var(--sidebar-text);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    overflow: hidden;
}

.sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand > i {
    font-size: 1.6rem;
    color: var(--primary);
    min-width: 30px;
    text-align: center;
}

.sidebar-brand h2 {
    font-size: 1rem;
    font-weight: 700;
    color: #EAE5DF;
    letter-spacing: 1.5px;
    margin: 0;
    white-space: nowrap;
}

.sidebar-brand small {
    font-size: 0.65rem;
    color: #8A8078;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.85rem;
    opacity: 0.7;
}

.sidebar-toggle:hover {
    background: var(--sidebar-hover);
    opacity: 1;
}

/* User Info */
.sidebar-user {
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    font-size: 2.2rem;
    color: var(--primary);
    min-width: 38px;
    text-align: center;
}

.user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: #EAE5DF;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-info .badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 3px;
    width: fit-content;
}

.user-house {
    font-size: 0.7rem;
    color: #8A8078;
    margin-top: 2px;
    white-space: nowrap;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin: 2px 10px;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
}

.sidebar-nav li a i {
    min-width: 20px;
    text-align: center;
    font-size: 0.95rem;
    transition: var(--transition);
}

.sidebar-nav li a:hover {
    background-color: var(--sidebar-hover);
    color: var(--sidebar-text-active);
}

.sidebar-nav li a:hover i {
    color: var(--primary);
}

.sidebar-nav li a.active {
    background-color: var(--primary-dark);
    color: var(--sidebar-text-active);
    font-weight: 600;
}

.sidebar-nav li a.active i {
    color: #FFFFFF;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 8px 16px !important;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 11px 14px;
    background: rgba(184, 107, 97, 0.15);
    color: #E8A49C;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(184, 107, 97, 0.3);
    color: #FFFFFF;
}

.btn-logout i {
    min-width: 20px;
    text-align: center;
}

/* ===================================================
   SIDEBAR COLLAPSED STATE
   =================================================== */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-brand h2,
.sidebar.collapsed .sidebar-brand small,
.sidebar.collapsed .nav-text,
.sidebar.collapsed .user-info,
.sidebar.collapsed .sidebar-user .user-avatar {
    display: none;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 20px 8px;
}

.sidebar.collapsed .sidebar-user {
    justify-content: center;
    padding: 12px 8px;
}

.sidebar.collapsed .sidebar-nav li a {
    justify-content: center;
    padding: 11px 0;
}

.sidebar.collapsed .sidebar-nav li a i {
    font-size: 1.1rem;
}

.sidebar.collapsed .btn-logout {
    justify-content: center;
    padding: 11px 0;
}

.sidebar.collapsed .btn-logout .nav-text {
    display: none;
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
    width: calc(100% - var(--sidebar-collapsed-width));
}

/* ===================================================
   CONTENIDO PRINCIPAL
   =================================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 30px;
    transition: var(--transition);
    min-height: 100vh;
}

.content-header {
    margin-bottom: 28px;
}

.content-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-header h1 i {
    color: var(--primary);
    font-size: 1.3rem;
}

.content-header .subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===================================================
   CARDS
   =================================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--secondary);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--secondary);
    background: linear-gradient(135deg, #FEFDFB 0%, #F7F5F0 100%);
}

.card-header h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.card-header h2 i {
    color: var(--primary);
    font-size: 0.95rem;
}

.card-body {
    padding: 24px;
}

/* ===================================================
   FORMULARIOS
   =================================================== */
.grid-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

@media (min-width: 768px) {
    .grid-form {
        grid-template-columns: 1fr 1fr;
    }
    .span-full {
        grid-column: 1 / -1;
    }
    .span-2 {
        grid-column: 1 / -1;
    }
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-main);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--secondary);
    border-radius: var(--radius-sm);
    background-color: #FDFCFB;
    color: var(--text-main);
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    background-color: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(163, 143, 120, 0.15);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%237A7268' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding-top: 8px;
}

/* ===================================================
   BOTONES
   =================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary);
    color: #FFFFFF;
}
.btn-primary:hover { background-color: var(--primary-dark); }

.btn-success {
    background-color: var(--accent);
    color: #FFFFFF;
}
.btn-success:hover { background-color: #5A6A52; }

.btn-danger {
    background-color: var(--danger);
    color: #FFFFFF;
}
.btn-danger:hover { background-color: #9A5448; }

.btn-outline-primary {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover { background: var(--primary); color: #FFF; }

.btn-outline-success {
    background: transparent;
    border: 1.5px solid var(--accent);
    color: var(--accent);
}
.btn-outline-success:hover { background: var(--accent); color: #FFF; }

.btn-outline-danger {
    background: transparent;
    border: 1.5px solid var(--danger);
    color: var(--danger);
}
.btn-outline-danger:hover { background: var(--danger); color: #FFF; }

.btn-outline-warning {
    background: transparent;
    border: 1.5px solid #C49A3C;
    color: #C49A3C;
}
.btn-outline-warning:hover { background: #C49A3C; color: #FFF; }

.btn-outline-info {
    background: transparent;
    border: 1.5px solid #5B8DB8;
    color: #5B8DB8;
}
.btn-outline-info:hover { background: #5B8DB8; color: #FFF; }

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-block { width: 100%; justify-content: center; }

/* ===================================================
   TABLAS
   =================================================== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

.table th, .table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--secondary);
    font-size: 0.88rem;
}

.table th {
    background-color: var(--bg-main);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.table tbody tr:hover {
    background-color: #FEFDFB;
}

.table td .text-muted {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ===================================================
   BADGES
   =================================================== */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.badge-success { background: #E8F2E4; color: #3D6B30; }
.badge-danger { background: #F5E0DE; color: #8B3D35; }
.badge-warning { background: #FBF0D5; color: #8A6D20; }
.badge-info { background: #E3EFF7; color: #3D6B8A; }

/* ===================================================
   ALERTAS
   =================================================== */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-success {
    background-color: #EBF2E8;
    color: #38522A;
    border: 1px solid #C4D8BE;
}

.alert-danger {
    background-color: #F8EBEA;
    color: #6E2D26;
    border: 1px solid #E8C4C1;
}

/* ===================================================
   BOTON GRUPO (Aprobar/Rechazar)
   =================================================== */
.btn-group {
    display: flex;
    gap: 6px;
}

/* ===================================================
   CHECKBOX PERSONALIZADO
   =================================================== */
.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.88rem;
}

.checkbox-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary);
}

/* ===================================================
   CLASES DE UTILIDAD
   =================================================== */
.text-center { text-align: center; }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--accent) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: #C49A3C !important; }

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 767px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0 !important;
        padding: 20px 16px;
        width: 100% !important;
    }

    .sidebar-toggle {
        position: fixed;
        top: 12px;
        left: 12px;
        z-index: 1001;
        background: var(--primary-dark);
        color: #FFF;
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        box-shadow: var(--shadow-lg);
    }

    .sidebar-toggle:hover {
        background: var(--primary);
    }

    .sidebar.collapsed {
        width: var(--sidebar-width);
    }

    .sidebar.collapsed ~ .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .sidebar-toggle {
        display: flex;
    }
}

/* ===================================================
   STAT CARDS / SUMMARY CARDS
   =================================================== */
.stats-grid, .summary-cards, .info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .summary-cards { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--secondary);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.info-item {
    padding: 10px 0;
    border-bottom: 1px solid var(--secondary);
}

.info-item:last-child {
    border-bottom: none;
}

.info-item label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 2px;
}

.info-item span {
    font-size: 0.95rem;
    color: var(--text-main);
    font-weight: 600;
}

/* Certificate print styles */
.cert-header {
    text-align: center;
    padding: 20px;
    border-bottom: 2px solid var(--primary);
    margin-bottom: 20px;
}
.cert-header h2 {
    color: var(--primary-dark);
    margin-bottom: 4px;
}

@media print {
    .sidebar, .sidebar-toggle, .btn-logout, .btn { display: none !important; }
    .main-content { margin-left: 0 !important; padding: 10px !important; }
    .card { box-shadow: none !important; border: 1px solid #ccc !important; }
    body { background: #fff !important; }
}