/* 
   Plataforma de Gestión de Flotilla (PGF)
   Hoja de Estilos Premium (Glassmorphism & Dark Mode)
*/

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

:root {
    --bg-primary: #090d16;
    --bg-secondary: #0f172a;
    --bg-panel: rgba(30, 41, 59, 0.7);
    --bg-panel-hover: rgba(30, 41, 59, 0.9);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --color-primary: #3b82f6; /* Azul */
    --color-primary-glow: rgba(59, 130, 246, 0.35);
    --color-success: #10b981; /* Verde */
    --color-success-glow: rgba(16, 185, 129, 0.25);
    --color-warning: #f59e0b; /* Ámbar */
    --color-warning-glow: rgba(245, 158, 11, 0.25);
    --color-danger: #ef4444; /* Rojo */
    --color-danger-glow: rgba(239, 68, 68, 0.25);
    
    --font-sans: 'Outfit', sans-serif;
    --sidebar-width: 270px;
    --topbar-height: 70px;
    --transition-speed: 0.3s;
    --border-radius-lg: 16px;
    --border-radius-md: 10px;
    --border-radius-sm: 6px;
    
    --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

/* --- RESET & BASIC STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-sans);
}

body {
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

input, select, textarea, button {
    font-family: inherit;
    font-size: inherit;
}

/* --- SCROLLBAR CUSTOMIZATION --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* --- LAYOUT STRUCTURE --- */
#app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Login Layout */
#login-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-card {
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    box-shadow: var(--shadow-premium);
    animation: fadeInUp 0.6s ease;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 3rem;
    color: var(--color-primary);
    text-shadow: 0 0 20px var(--color-primary-glow);
    margin-bottom: 15px;
}

.login-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 5px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Sidebar Navigation */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transition: transform var(--transition-speed) ease;
}

.sidebar-brand {
    padding: 25px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-glass);
}

.sidebar-brand i {
    font-size: 1.8rem;
    color: var(--color-primary);
    text-shadow: 0 0 15px var(--color-primary-glow);
}

.sidebar-brand span {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 10px;
    flex-grow: 1;
    overflow-y: auto;
}

.sidebar-item {
    margin-bottom: 5px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    color: var(--text-secondary);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: all 0.2s ease;
}

.sidebar-link i {
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.sidebar-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.sidebar-item.active .sidebar-link {
    color: var(--text-primary);
    background: var(--color-primary-glow);
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 4px 15px -5px var(--color-primary-glow);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-glass);
    background: rgba(0, 0, 0, 0.1);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    color: white;
    box-shadow: 0 0 10px var(--color-primary-glow);
}

.user-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
}

.user-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Main Area Layout */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: calc(100% - var(--sidebar-width));
}

/* Topbar Header */
.topbar {
    height: var(--topbar-height);
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.topbar-title h1 {
    font-size: 1.4rem;
    font-weight: 600;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.alert-badge {
    position: relative;
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.alert-badge:hover {
    color: var(--text-primary);
}

.badge-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-danger);
    color: white;
    font-size: 0.65rem;
    font-weight: bold;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-secondary);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.logout-btn:hover {
    background: var(--color-danger);
    color: white;
    box-shadow: 0 4px 12px var(--color-danger-glow);
}

/* Content Panel Wrapper */
.content-panel {
    padding: 30px;
    flex-grow: 1;
    overflow-y: auto;
}

/* --- FORM CONTROLS --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary-glow);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Custom Dropzone / Upload button */
.upload-zone {
    border: 2px dashed var(--border-glass);
    border-radius: var(--border-radius-md);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    background: rgba(15, 23, 42, 0.3);
    transition: all 0.2s ease;
    position: relative;
}

.upload-zone:hover {
    border-color: var(--color-primary);
    background: rgba(15, 23, 42, 0.5);
}

.upload-zone i {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.upload-zone span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.upload-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-preview {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--color-success);
    display: none;
    align-items: center;
    gap: 8px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #1d4ed8);
    color: white;
    box-shadow: 0 4px 15px var(--color-primary-glow);
}
.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px var(--color-primary-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success), #047857);
    color: white;
    box-shadow: 0 4px 15px var(--color-success-glow);
}
.btn-success:hover {
    filter: brightness(1.1);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger), #b91c1c);
    color: white;
    box-shadow: 0 4px 15px var(--color-danger-glow);
}
.btn-danger:hover {
    filter: brightness(1.1);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-icon {
    padding: 8px;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
}

/* --- METRIC CARDS GRID --- */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform var(--transition-speed) ease, border-color var(--transition-speed);
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-hover);
}

.metric-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
}

.metric-icon-wrapper.primary {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
}
.metric-icon-wrapper.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.metric-icon-wrapper.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}
.metric-icon-wrapper.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.metric-details p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.metric-details h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-top: 4px;
}

/* --- CHARTS GRID --- */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-premium);
}

.chart-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chart-container {
    position: relative;
    width: 100%;
    min-height: 250px;
}

/* --- PANELS & SECTION HEADERS --- */
.section-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-premium);
    margin-bottom: 30px;
    animation: fadeInUp 0.4s ease;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    gap: 15px;
    flex-wrap: wrap;
}

.section-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-filter-bar {
    display: flex;
    gap: 15px;
    flex-grow: 1;
    max-width: 600px;
    justify-content: flex-end;
}

.search-input-wrapper {
    position: relative;
    flex-grow: 1;
}

.search-input-wrapper i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input-wrapper input {
    padding-left: 38px;
}

/* --- TABLES STYLING --- */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-glass);
}

.table-custom {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table-custom th {
    background: rgba(15, 23, 42, 0.8);
    padding: 15px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-glass);
}

.table-custom td {
    padding: 15px 20px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.table-custom tbody tr {
    transition: background-color 0.2s;
}

.table-custom tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Badges for status */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}
.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.badge-secondary {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.actions-cell {
    display: flex;
    gap: 8px;
}

/* --- MODALS --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(9, 13, 22, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 650px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    transform: translateY(30px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--border-glass);
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* --- ALERTS MODULE STYLING --- */
.alert-card-item {
    background: rgba(30, 41, 59, 0.4);
    border-left: 4px solid var(--color-warning);
    padding: 15px 20px;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.alert-card-item.critica {
    border-left-color: var(--color-danger);
}

.alert-card-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.alert-card-content i {
    font-size: 1.5rem;
}
.alert-card-item.critica i {
    color: var(--color-danger);
}
.alert-card-item:not(.critica) i {
    color: var(--color-warning);
}

.alert-card-text p {
    font-size: 0.95rem;
}

.alert-card-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.alert-card-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
}

/* --- DIGITAL EXPEDIENT (UNIT HISTORY) --- */
.expedient-grid {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 25px;
}

@media (max-width: 768px) {
    .expedient-grid {
        grid-template-columns: 1fr;
    }
}

.expedient-info-sidebar {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-lg);
    padding: 20px;
}

.expedient-info-header {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-glass);
}

.expedient-info-header i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.expedient-info-header h3 {
    font-size: 1.25rem;
}

.expedient-info-list {
    list-style: none;
}

.expedient-info-list li {
    font-size: 0.9rem;
    padding: 10px 0;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.expedient-info-list li span:first-child {
    color: var(--text-secondary);
}

.expedient-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-glass);
    margin-bottom: 20px;
    overflow-x: auto;
}

.expedient-tab-btn {
    padding: 12px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}

.expedient-tab-btn:hover {
    color: var(--text-primary);
}

.expedient-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.expedient-tab-panel {
    display: none;
}

.expedient-tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* --- FINANCIAL BALANCE CARD --- */
.financial-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.fin-card {
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border-glass);
    padding: 15px;
    border-radius: var(--border-radius-md);
    text-align: center;
}

.fin-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.fin-card h4 {
    font-size: 1.3rem;
    margin-top: 5px;
}

.fin-card.income h4 { color: var(--color-success); }
.fin-card.expense h4 { color: var(--color-danger); }
.fin-card.utility h4 { color: var(--color-primary); }

/* --- ANIMATIONS --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.menu-toggle-btn {
    display: none; /* Oculto por defecto en Desktop */
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.7);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-wrapper {
        margin-left: 0;
        width: 100%;
    }
    
    .topbar {
        padding: 0 15px;
    }
    
    .menu-toggle-btn {
        display: flex;
        justify-content: center;
        align-items: center;
        background: transparent;
        border: 1px solid var(--border-glass);
        color: var(--text-primary);
        font-size: 1.1rem;
        padding: 8px;
        border-radius: var(--border-radius-md);
        cursor: pointer;
        transition: all 0.2s;
    }
    .menu-toggle-btn:hover {
        background: rgba(255, 255, 255, 0.05);
        border-color: var(--border-glass-hover);
    }
    
    .content-panel {
        padding: 15px;
    }
    
    .search-filter-bar {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .search-input-wrapper {
        width: 100%;
    }
    
    .financial-summary {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    /* Optimizar Modales en Móviles */
    .modal-container {
        width: 95%;
        max-height: 90vh;
    }
    
    .modal-body {
        padding: 15px;
    }
    
    .modal-header, .modal-footer {
        padding: 12px 15px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}