/* ==============================================================================
   KR INTEGRAL - ESTILOS CORPORATIVOS & PASTEL TECH
   Paleta: Slate Navy (#0b192c, #0f172a), Cyan Tech (#0284c7, #0ea5e9, #38bdf8),
           Pasteles Tecnológicos: Indigo (#6366f1), Esmeralda (#10b981), Ámbar (#f59e0b),
           Rosa (#f43f5e), Púrpura (#8b5cf6), Menta (#14b8a6)
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --brand-dark-navy: #0b192c;
    --brand-sidebar: #0f172a;
    --brand-sidebar-hover: #1e293b;
    --brand-primary: #0284c7;
    --brand-primary-hover: #0369a1;
    --brand-accent: #0ea5e9;
    --brand-bg: #f8fafc;
    --brand-card: #ffffff;
    --brand-border: #e2e8f0;
    --brand-text-main: #0f172a;
    --brand-text-muted: #64748b;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--brand-bg);
    color: var(--brand-text-main);
    -webkit-font-smoothing: antialiased;
}

/* Scrollbar estilizado */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Micro-animaciones y elevaciones */
.hover-lift {
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
}
.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(15, 23, 42, 0.08);
}

.btn-shimmer {
    position: relative;
    overflow: hidden;
}
.btn-shimmer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(30deg) translateX(-100%);
    transition: transform 0.8s ease;
}
.btn-shimmer:hover::after {
    transform: rotate(30deg) translateX(100%);
}

/* Badges de estado & Semáforos */
.badge-activo, .badge-vigente, .badge-pagada, .badge-completada {
    background-color: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

.badge-pendiente, .badge-por_vencer {
    background-color: #fffbeb;
    color: #b45309;
    border: 1px solid #fde68a;
}

.badge-en_proceso {
    background-color: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}

.badge-vencido, .badge-en_mora, .badge-alta {
    background-color: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.badge-media {
    background-color: #fefce8;
    color: #a16207;
    border: 1px solid #fef08a;
}

.badge-baja {
    background-color: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

/* Semáforos indicadores de tareas */
.traffic-green {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981;
    box-shadow: 0 0 6px #10b981;
}
.traffic-yellow {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #f59e0b;
    box-shadow: 0 0 6px #f59e0b;
}
.traffic-red {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ef4444;
    box-shadow: 0 0 6px #ef4444;
}

/* Colores pasteles tecnológicos */
.pastel-card-sky {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
}
.pastel-card-emerald {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 1px solid #bbf7d0;
}
.pastel-card-amber {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1px solid #fde68a;
}
.pastel-card-indigo {
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
    border: 1px solid #c7d2fe;
}
.pastel-card-purple {
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    border: 1px solid #e9d5ff;
}

/* Sidebar activo */
.sidebar-link.active {
    background: linear-gradient(90deg, rgba(14, 165, 233, 0.2) 0%, rgba(14, 165, 233, 0.05) 100%);
    color: #38bdf8;
    border-left: 3px solid #0ea5e9;
    font-weight: 700;
}
.sidebar-sublinks {
    transition: all 0.25s ease-in-out;
}
.sidebar-sublinks.collapsed {
    display: none;
}
.sidebar-group.open > button i[data-lucide="chevron-down"] {
    transform: rotate(180deg);
}

/* Kanban Drag & Drop */
.kanban-card {
    user-select: none;
    cursor: grab;
}
.kanban-card:active {
    cursor: grabbing;
}
.kanban-drop-zone.dragover {
    background-color: rgba(2, 132, 199, 0.08) !important;
    border: 2px dashed #0284c7 !important;
    border-radius: 0.75rem;
}

/* Tarjetas KR estándar */
.card-kr {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 0.85rem;
    box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.04);
}

/* Inputs de formulario */
.kr-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    outline: none;
    transition: all 0.15s ease-in-out;
}
.kr-input:focus {
    border-color: #0284c7;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Tablero de Tareas Kanban */
.kanban-column {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    min-width: 280px;
}
.kanban-card {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 0.65rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.kanban-card:hover {
    border-color: #38bdf8;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -2px rgba(15, 23, 42, 0.08);
}

/* Widget Emergente Inferior Derecho (Tareas pendientes & Semáforo) */
#floating-tasks-drawer {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 40;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.floating-pulse {
    animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse-ring {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Formato Membrete Oficial KR Integral (Certificados & Actas) */
.kr-letterhead {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    max-width: 820px;
    margin: auto;
    padding: 48px;
    position: relative;
    font-family: 'Plus Jakarta Sans', Arial, sans-serif;
    color: #1e293b;
    line-height: 1.65;
}
.kr-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-30deg);
    font-size: 80px;
    font-weight: 900;
    color: rgba(2, 132, 199, 0.04);
    letter-spacing: 6px;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
}
.kr-official-stamp {
    border: 2px solid #0284c7;
    border-radius: 8px;
    padding: 8px 14px;
    display: inline-block;
    color: #0369a1;
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 0.5px;
    transform: rotate(-3deg);
    background-color: rgba(2, 132, 199, 0.03);
}

/* Vista Calendario Mensual Cuadrícula */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background-color: #e2e8f0;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    overflow: hidden;
}
.calendar-cell {
    background-color: #ffffff;
    min-height: 96px;
    padding: 6px;
    transition: background-color 0.15s ease;
}
.calendar-cell:hover {
    background-color: #f8fafc;
}
.calendar-cell.today {
    background-color: #f0f9ff;
}

/* Modales */
.modal-backdrop {
    background-color: rgba(11, 25, 44, 0.65);
    backdrop-filter: blur(4px);
}

/* Modo Impresión */
@media print {
    body * {
        visibility: hidden !important;
    }
    #printable-certificate-area, #printable-certificate-area * {
        visibility: visible !important;
    }
    #printable-certificate-area {
        position: absolute;
        left: 0;
        top: 0;
        width: 100% !important;
        margin: 0 !important;
        padding: 20px !important;
        box-shadow: none !important;
        border: none !important;
    }
}