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

:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --text-dark: #1E293B;
    --text-light: #64748B;
    --bg-light: #F4F6F9;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.03);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Header (SaaS Topbar Look) */
.header {
    background-color: #ffffff;
    color: var(--text-dark);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    z-index: 10;
    border-bottom: 1px solid #cbd5e1;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-back {
    background-color: #f1f5f9;
    color: #475569;
    border: 1px solid #e2e8f0;
    padding: 8px 16px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-back:hover {
    background-color: #e2e8f0;
    color: #1E293B;
    transform: translateY(-1px);
}

.header h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.user-profile {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-name {
    font-weight: 700;
    font-size: 13px;
    color: #1E293B;
}

.user-company {
    font-size: 11px;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 2px;
}

/* Main Container */
.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 24px;
    gap: 20px;
}

/* Filters Panel (SaaS Style) */
.filters-panel {
    background: #ffffff;
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    gap: 20px;
    align-items: flex-end;
    box-shadow: var(--shadow-sm);
    border: 1px solid #cbd5e1;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    max-width: 320px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group select {
    padding: 9px 12px;
    font-size: 13px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    outline: none;
    background-color: #ffffff;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.15s ease;
    width: 100%;
    font-family: inherit;
}

.filter-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.filter-group select:disabled {
    background-color: #f1f5f9;
    color: #94a3b8;
    cursor: not-allowed;
}

.filter-actions {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.stats-badge {
    background-color: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* Kanban Board Container */
.board-wrapper {
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #cbd5e1;
    box-shadow: var(--shadow-sm);
    padding: 16px;
}

.kanban-board {
    display: flex;
    gap: 16px;
    height: 100%;
    min-width: 1540px;
}

/* Columns (SaaS Minimalist style) */
.kanban-column {
    flex: 1;
    min-width: 180px;
    background-color: #f8fafc;
    border-radius: 12px;
    border: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    max-height: 100%;
}

.unassigned-col {
    background-color: #f1f5f9;
    border: 1.5px dashed var(--text-light);
}

.column-header {
    padding: 14px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
}

.unassigned-col .column-header {
    border-bottom: 1.5px dashed var(--text-light);
}

.column-header h3 {
    font-size: 13px;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.column-count {
    background-color: #e2e8f0;
    color: #475569;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.column-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 100px;
    transition: all 0.2s ease;
}

/* Drop targets visual cues */
.column-body.drag-over {
    background-color: #fffbeb;
    border: 2px dashed #f59e0b;
    border-radius: 0 0 12px 12px;
}

/* Cards (Premium Rounded & Shadows) */
.client-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    border: 1px solid #cbd5e1;
    padding: 14px;
    cursor: grab;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
}

.client-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.client-card:active {
    cursor: grabbing;
}

.client-card.dragging {
    opacity: 0.4;
    transform: scale(0.95);
}

/* Tarjeta asignada a un itinerario (sombreado verde) */
.client-card.in-itinerary {
    background-color: #f0fdf4 !important; /* Verde pastel muy suave */
    border-color: #bbf7d0 !important;     /* Borde verde claro */
    border-left: 5px solid #22c55e !important; /* Línea lateral verde vibrante */
}

.client-name {
    font-weight: 700;
    font-size: 13px;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 6px;
    word-break: break-word;
}

.client-rif {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 8px;
}

.card-badges {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.badge {
    font-size: 9px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 6px;
    text-transform: uppercase;
}

.badge-mass {
    background-color: #fef3c7;
    color: #d97706;
}

.badge-ind {
    background-color: #eff6ff;
    color: #1e40af;
}

.badge-freq {
    background-color: #f1f5f9;
    color: #475569;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: #1E293B;
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 13px;
    z-index: 100;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transform: translateY(150px);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateY(0);
}

.toast.success {
    background-color: #10b981;
}

.toast.error {
    background-color: #ef4444;
}

/* Scrollbars styling */
.board-wrapper::-webkit-scrollbar,
.column-body::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.board-wrapper::-webkit-scrollbar-track,
.column-body::-webkit-scrollbar-track {
    background: #f8fafc;
}

.board-wrapper::-webkit-scrollbar-thumb,
.column-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

/* Responsividad móvil */
@media (max-width: 768px) {
    .main-container {
        padding: 12px;
    }
    
    .filters-panel {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .filter-group {
        max-width: none;
    }
    
    .filter-actions {
        justify-content: center;
        margin-left: 0;
    }
}