:root {
    --primary: #0D9488;
    --primary-dark: #0F766E;
    --primary-light: #CCFBF1;
    --bg-page: #F0FDF4;
    --card-bg: #FFFFFF;
    --text-dark: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --sidebar-width: 250px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: #FFFFFF;
    border-right: 1px solid var(--border-color);
    padding: 24px 16px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.sidebar-header-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-badge { font-size: 1.8rem; }
.logo-title h2 { font-size: 1.1rem; color: var(--primary-dark); font-weight: 800; line-height: 1; }
.logo-title span { font-size: 0.82rem; color: #14B8A6; letter-spacing: 1px; }
.btn-close-sidebar { display: none; background: transparent; border: none; font-size: 1.3rem; color: var(--text-muted); cursor: pointer; }
.sidebar-tagline { font-size: 0.76rem; color: var(--text-muted); margin: 12px 0 20px 0; }

.nav-menu { display: flex; flex-direction: column; gap: 6px; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 12px;
    color: #475569;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
}

.nav-item.danger { color: #DC2626; }
.logout-link { color: #64748B; margin-top: 15px; border-top: 1px solid var(--border-color); padding-top: 12px; }

/* Contenedor Principal */
.main-wrapper {
    flex-grow: 1;
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 1500px;
    margin: 0 auto;
    width: calc(100% - var(--sidebar-width));
}

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

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-menu-burger {
    display: none;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    color: var(--primary);
    font-size: 1.3rem;
    padding: 6px 12px;
    border-radius: 10px;
    cursor: pointer;
}

.topbar h3 { font-size: 1.25rem; color: #0F172A; }
.topbar p { font-size: 0.84rem; color: var(--text-muted); }
.top-icons { display: flex; gap: 10px; }
.top-btn {
    font-size: 1.2rem;
    cursor: pointer;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--text-dark);
}

/* Modales SweetAlert2 */
.swal2-popup { border-radius: 20px !important; padding: 24px !important; font-family: inherit !important; }
.swal-custom-container { text-align: left; padding: 4px; }
.swal-field-group { margin-bottom: 14px; }
.swal-field-group label { display: block; font-size: 0.85rem; font-weight: 700; color: #1E293B; margin-bottom: 6px; }
.swal-custom-input, .swal-custom-textarea {
    width: 100% !important;
    padding: 10px 14px !important;
    border: 1.5px solid #E2E8F0 !important;
    border-radius: 12px !important;
    font-size: 0.92rem !important;
    background: #F8FAFC !important;
    box-sizing: border-box !important;
    outline: none !important;
    font-family: inherit !important;
}
.swal-custom-input:focus, .swal-custom-textarea:focus {
    border-color: var(--primary) !important;
    background: #FFFFFF !important;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12) !important;
}

/* Responsive global */
@media (max-width: 850px) {
    .main-wrapper { padding: 16px; width: 100%; }
    .btn-menu-burger { display: inline-flex; }
    .btn-close-sidebar { display: block; }
    .sidebar {
        position: fixed !important;
        top: 0; left: 0; bottom: 0;
        width: 280px; height: 100vh;
        background: #FFFFFF;
        box-shadow: 4px 0 16px rgba(0, 0, 0, 0.15);
        transform: translateX(-105%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000 !important;
        overflow-y: auto;
    }
    .sidebar.open { transform: translateX(0) !important; }
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    z-index: 999;
}
.sidebar-overlay.active { display: block !important; }