/* ========================================================= 
   SAMNET GLOBAL "SOFT EYE-CARE" PREMIUM UI 
   Reemplaza el diseño tosco de Bootstrap por curvas suaves, 
   bajo contraste lumínico (favorable a los ojos) y "glassmorphism".
   ========================================================= */

:root {
    --bg-body: #f4f6f8;        /* Soft Slate - Mata el blanco brillante */
    --text-primary: #334155;   /* Slate 700 - Texto suave de lectura prolongada */
    --text-muted: #64748b;     /* Slate 500 */
    --accent: #5e72e4;         /* Soft Indigo cálido */
    --accent-hover: #4e62cc;   
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --input-focus: rgba(94, 114, 228, 0.2);
    --card-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

/* 1. Global Layout */
body {
    background-color: var(--bg-body) !important;
    color: var(--text-primary) !important;
}

/* El contenido principal de welcome y técnico para que combine con el body */
.content {
    background-color: var(--bg-body) !important;
}

/* Sidebar rediseñado más suave */
.sidebar {
    background-color: #ffffff !important;
    box-shadow: 2px 0 20px rgba(0,0,0,0.04) !important;
    border-right: 1px solid #e2e8f0 !important;
}

.sidebar .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    transition: all 0.3s;
}

.sidebar .nav-link:hover {
    background-color: #f1f5f9 !important;
    color: var(--accent) !important;
    border-radius: 8px;
}

/* 2. Modals (Las ventanas que emergen) */
.modal-content {
    background-color: var(--bg-body) !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 16px !important;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1) !important;
    overflow: hidden;
}

.modal-header {
    background-color: #ffffff !important;
    border-bottom: 2px solid #e2e8f0 !important;
    padding: 16px 20px !important;
}

.modal-header .modal-title {
    font-weight: 700 !important;
    color: var(--text-primary) !important;
}

.modal-body {
    background-color: var(--bg-body) !important;
    padding: 20px !important;
}

.modal-footer {
    background-color: #ffffff !important;
    border-top: 2px solid #e2e8f0 !important;
    padding: 16px 20px !important;
}

/* 3. Global Forms (Aplica a todos los inputs estándar del sistema) */
.form-control, .form-select {
    border-radius: 10px !important;
    border: 1px solid var(--input-border) !important;
    padding: 10px 14px !important;
    background-color: var(--input-bg) !important;
    color: var(--text-primary) !important;
    font-size: 0.95rem !important;
    box-shadow: none !important;
    transition: all 0.25s ease !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 4px var(--input-focus) !important;
    background-color: #ffffff !important;
}

label, .form-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

/* Custom Checkboxes */
.form-check-input:checked {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
}

/* 4. Cards (Para los Dashboards) */
.card {
    border-radius: 16px !important;
    border: none !important;
    box-shadow: var(--card-shadow) !important;
    background-color: #ffffff !important;
    margin-bottom: 20px !important;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.06) !important;
}

.card-header {
    background-color: transparent !important;
    border-bottom: 1px solid #f1f5f9 !important;
    font-weight: 700 !important;
    padding: 16px 20px !important;
    color: var(--text-primary) !important;
}

/* 5. Buttons */
.btn {
    border-radius: 8px !important;
    font-weight: 600 !important;
    letter-spacing: 0.3px !important;
    padding: 8px 16px !important;
    transition: all 0.2s !important;
}

.btn-primary {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #ffffff !important;
}

.btn-primary:hover {
    background-color: var(--accent-hover) !important;
    box-shadow: 0 4px 12px var(--input-focus) !important;
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--accent) !important;
    border-color: var(--accent) !important;
}

.btn-outline-primary:hover {
    background-color: var(--accent) !important;
    color: #ffffff !important;
}

/* 6. Modern Flex Tabs (Para que cualquier módulo pueda usarlos añadiendo "modern-tabs") */
.modern-tabs {
    border: none !important;
    gap: 8px !important;
    padding: 8px !important;
    background: #e2e8f0 !important;
    border-radius: 12px !important;
    display: flex !important;
    justify-content: space-between !important;
    overflow-x: auto !important;
    flex-wrap: nowrap !important;
}
.modern-tabs .nav-item { flex: 1; min-width: 100px; }
.modern-tabs .nav-link {
    width: 100% !important; text-align: center !important; border: none !important; 
    border-radius: 8px !important; color: var(--text-muted) !important; 
    font-weight: 600 !important; padding: 10px 5px !important; font-size: 0.95rem !important; 
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important; background: transparent !important;
}
.modern-tabs .nav-link:hover { color: var(--accent) !important; background: rgba(255, 255, 255, 0.6) !important; }
.modern-tabs .nav-link.active {
    background: var(--accent) !important; color: white !important; 
    box-shadow: 0 4px 15px var(--input-focus) !important; transform: translateY(-2px) !important;
}