/* ==========================================================================
   KIT DE CARGA INSTITUTIONAL (file-kit.css)
   ========================================================================== */

:root {
    --fk-primary: #10b981; /* Verde esmeralda institucional */
    --fk-primary-hover: #059669;
    --fk-primary-light: #ecfdf5;
    --fk-slate-50: #f8fafc;
    --fk-slate-100: #f1f5f9;
    --fk-slate-200: #e2e8f0;
    --fk-slate-400: #94a3b8;
    --fk-slate-500: #64748b;
    --fk-slate-600: #475569;
    --fk-slate-900: #0f172a;
    --fk-radius-lg: 12px;
    --fk-radius-xl: 20px;
}

/* ==================== BUTTON FAB FLOTANTE DERECHO ==================== */
.file-kit-fab {
    position: fixed;
    right: 0;
    top: 55%;
    transform: translateY(-50%) translateX(25px);
    width: 65px;
    height: 60px;
    border-radius: 30px 0 0 30px; /* Bordes redondeados solo a la izquierda */
    background: #0f172a;
    color: var(--fk-slate-400);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 14px;
    z-index: 9998;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Configuración por defecto: baja opacidad y escala de grises atenuada */
    opacity: 0.4;
    filter: grayscale(1);
}

/* Efecto de Iluminación reactiva en Hover (como el input de Login) */
.file-kit-fab:hover {
    opacity: 1;
    filter: none;
    transform: translateY(-50%) translateX(0);
    width: 85px; /* Se estira para revelar el icono mejor */
    background: var(--fk-primary);
    color: white;
    box-shadow: -5px 0 30px rgba(16, 185, 129, 0.6); /* Glow esmeralda radiante hacia la izquierda */
    border-color: rgba(16, 185, 129, 0.3);
}

.file-kit-fab i {
    font-size: 1.4rem;
    transition: transform 0.3s;
}

.file-kit-fab:hover i {
    transform: scale(1.1) rotate(-8deg);
}

/* ==================== OVERLAY & MODAL DEL KIT ==================== */
.file-kit-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s ease;
}

.file-kit-overlay.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.file-kit-modal {
    background: white;
    width: 100%;
    max-width: 550px;
    max-height: 90vh;
    border-radius: var(--fk-radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(30px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.file-kit-overlay.open .file-kit-modal {
    transform: translateY(0) scale(1);
}

/* Cabecera del Modal */
.file-kit-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to right, var(--fk-slate-50), white);
    border-bottom: 1px solid var(--fk-slate-100);
}

.file-kit-title {
    display: flex;
    flex-direction: column;
}

.file-kit-title span {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--fk-slate-900);
    letter-spacing: -0.5px;
}

.file-kit-title p {
    margin: 2px 0 0;
    font-size: 0.8rem;
    color: var(--fk-slate-500);
}

.file-kit-close {
    background: var(--fk-slate-100);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    font-size: 1.2rem;
    color: var(--fk-slate-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.file-kit-close:hover {
    background: #fee2e2;
    color: #ef4444;
    transform: rotate(90deg);
}

/* ==================== DISEÑO DE PESTAÑAS (TABS) ==================== */
.file-kit-tabs {
    display: flex;
    background: var(--fk-slate-50);
    padding: 0.5rem 1rem 0;
    border-bottom: 1px solid var(--fk-slate-100);
}

.file-kit-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 0.5rem;
    border: none;
    background: transparent;
    color: var(--fk-slate-500);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.file-kit-tab i {
    font-size: 0.95rem;
}

.file-kit-tab.active {
    color: var(--fk-primary);
    border-bottom-color: var(--fk-primary);
}

/* ==================== FORMULARIOS DE CARGA ==================== */
.file-kit-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.file-kit-form-pane {
    display: none;
}

.file-kit-form-pane.active {
    display: block;
    animation: tabFadeIn 0.35s ease;
}

@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Inputs Premium */
.fk-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 1.25rem;
}

.fk-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--fk-slate-600);
    letter-spacing: 0.5px;
}

.fk-input, .fk-select {
    padding: 0.8rem 1rem;
    border: 2px solid var(--fk-slate-200);
    border-radius: var(--fk-radius-lg);
    font-size: 0.92rem;
    color: var(--fk-slate-900);
    background: white;
    outline: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.fk-input:focus, .fk-select:focus {
    border-color: var(--fk-primary);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

/* Zona de Drag & Drop para Archivos */
.fk-dropzone {
    border: 2.5px dashed var(--fk-slate-300);
    border-radius: var(--fk-radius-xl);
    padding: 2rem 1.5rem;
    text-align: center;
    background: var(--fk-slate-50);
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.fk-dropzone:hover, .fk-dropzone.dragover {
    border-color: var(--fk-primary);
    background: var(--fk-primary-light);
}

.fk-dropzone-icon {
    font-size: 2rem;
    color: var(--fk-slate-400);
    transition: all 0.3s;
}

.fk-dropzone:hover .fk-dropzone-icon {
    color: var(--fk-primary);
    transform: translateY(-4px);
}

.fk-dropzone-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--fk-slate-600);
}

.fk-dropzone-sub {
    font-size: 0.78rem;
    color: var(--fk-slate-400);
}

.fk-selected-file-badge {
    margin-top: 8px;
    padding: 6px 12px;
    background: var(--fk-primary);
    color: white;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.2);
}

.fk-selected-file-badge button {
    background: transparent;
    border: none;
    color: white;
    font-weight: 900;
    cursor: pointer;
}

/* Botón de Envío Premium */
.btn-fk-submit {
    width: 100%;
    padding: 0.95rem;
    background: var(--fk-primary);
    color: white;
    border: none;
    border-radius: var(--fk-radius-lg);
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s;
}

.btn-fk-submit:hover {
    background: var(--fk-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 20px -5px rgba(16, 185, 129, 0.35);
}

.btn-fk-submit:disabled {
    background: var(--fk-slate-400);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ==================== RESPONSIVE ==================== */


/* ==================== SELECTS DESPLEGABLES CUSTOM PREMIUM ==================== */
.fk-custom-select-wrapper {
    position: relative;
    width: 100%;
}

/* Ocultar el selector nativo feo */
.fk-select-hidden {
    display: none !important;
}

.fk-custom-select-trigger {
    padding: 0.8rem 1rem;
    border: 2px solid var(--fk-slate-200);
    border-radius: var(--fk-radius-lg);
    font-size: 0.92rem;
    color: var(--fk-slate-900);
    background: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
}

.fk-custom-select-trigger:hover {
    border-color: var(--fk-primary);
}

.fk-custom-select-wrapper.open .fk-custom-select-trigger {
    border-color: var(--fk-primary);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

/* Trigger de selectores standalone de año */
.fk-custom-select {
    position: relative;
}

.fk-custom-select-text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.fk-custom-select-arrow {
    font-size: 0.85rem;
    color: var(--fk-slate-400);
    transition: transform 0.3s ease;
}

.fk-custom-select-wrapper.open .fk-custom-select-arrow {
    transform: rotate(180deg);
    color: var(--fk-primary);
}

/* Listado de Opciones del Dropdown - Premium Glassmorphism */
/* IMPORTANTE: Las reglas de opacity/visibility SOLO aplican dentro de .fk-custom-select-wrapper
   para no interferir con los selectores de año que usan el sistema display:none/block */
.fk-custom-select-wrapper .fk-custom-select-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--fk-primary);
    border-top: none;
    border-bottom-left-radius: var(--fk-radius-lg);
    border-bottom-right-radius: var(--fk-radius-lg);
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.15);
    z-index: 10002;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 240px;
    overflow-y: auto;
}

.fk-custom-select-wrapper.open .fk-custom-select-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Selectores de año standalone (sistema display:none/block) - Estilos base sin afectar visibilidad */
.fk-custom-select .fk-custom-select-options {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: white;
    border: 1.5px solid var(--fk-slate-200);
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.15);
    z-index: 9999;
    max-height: 220px;
    overflow-y: auto;
    padding: 6px 0;
}

/* Opción individual */
.fk-custom-option {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--fk-slate-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s;
    font-weight: 500;
}

.fk-custom-option:hover {
    background: var(--fk-primary-light);
    color: var(--fk-primary-hover);
    padding-left: 1.25rem; /* Efecto micro-animación deslizante */
}

.fk-custom-option.selected {
    background: var(--fk-primary);
    color: white !important;
    font-weight: 700;
}

.fk-custom-option.selected i {
    color: white !important;
}

.fk-option-icon {
    font-size: 1rem;
    color: var(--fk-slate-400);
    width: 18px;
    text-align: center;
    transition: color 0.2s;
}

.fk-custom-option:hover .fk-option-icon {
    color: var(--fk-primary-hover);
}

/* Flexbox containers for views inside the modal */
#fk-upload-view, #fk-manager-view {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}