/**
 * @file styles.css
 * @description Hoja de estilos principal Vanilla CSS.
 * Usa variables para color institucional y diseño "Glassmorphism" suave.
 */

:root {
    /* Paleta Institucional - Municipalidad */
    /* Paleta Institucional - Municipalidad de Junín de los Andes */
    --color-primary: #1B365D; /* Azul Municipal Profundo */
    --color-secondary: #2D6A4F; /* Verde Bosque Elegante */
    --color-accent: #D4AF37; /* Dorado para Acentos Premium */
    --color-danger: #9B2226; /* Rojo Oscuro */
    
    /* Fondos y Textos */
    --bg-app: #F3F4F6;
    --bg-card: rgba(255, 255, 255, 0.9);
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --text-light: #F9FAFB;
    
    /* Utilidades */
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-app);
    color: var(--text-main);
    line-height: 1.5;
}

/* Header & Navegación */
.main-header {
    background-color: var(--color-primary);
    color: var(--text-light);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-soft);
}

.logo-container {
    display: flex;
    align-items: center;
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.brand p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.8;
}

.main-nav {
    display: flex;
    gap: 1rem;
}

/* Mobile Toggle - Hidden by default */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-btn {
    background: transparent;
    color: var(--text-light);
    border: none;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-btn:hover {
    background-color: rgba(255,255,255,0.1);
}

.nav-btn.active {
    background-color: var(--color-secondary);
    box-shadow: var(--shadow-soft);
}

/* Layout Principal */
.app-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Componentes Genéricos (Tarjetas) */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255,255,255,0.3);
}

/* Dashboard KPIs */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Utilidades Responsive */
.responsive-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.responsive-flex {
    display: flex;
    gap: 1rem;
}

.kpi-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 5px solid var(--color-primary);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
}

.kpi-card.secondary { border-left-color: var(--color-secondary); }
.kpi-card.accent { border-left-color: var(--color-accent); }

.kpi-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 0.5rem;
}

/* Formularios */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #D1D5DB;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30,58,138,0.2);
}

.btn-submit {
    background-color: var(--color-secondary);
    color: var(--text-light);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-submit:hover {
    background-color: #059669;
}

/* Tablas de Resultados */
.table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #E5E7EB;
}

th {
    background-color: #F9FAFB;
    font-weight: 600;
    color: var(--text-muted);
}

tr:hover {
    background-color: #F9FAFB;
}

/* Estados */
.loading-state, .empty-state, .error-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.error-state {
    color: #DC2626;  /* Rojo */
    background: #FEE2E2;
    border-radius: var(--radius-md);
}

.success-state {
    color: #059669; /* Verde */
    background: #D1FAE5;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

/* Calendario Visual de Licencia - Diseño Armónico y Escalado */
.calendar-view-container {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    background: #F9FAFB;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid #E5E7EB;
}

.calendar-month-block {
    flex: 0 1 300px; /* Aumentado de 240px a 300px */
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    border: 1px solid #F3F4F6;
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-weight: 700;
    font-size: 0.75rem; /* Aumentado */
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px; /* Aumentado */
}

.calendar-day {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem; /* Aumentado */
    border-radius: 6px; /* Vuelta al estilo de cuadro redondeado original */
    position: relative;
    background: #F9FAFB;
    transition: var(--transition);
}

.cal-licencia {
    background-color: #D1FAE5 !important;
    color: #065F46 !important;
    font-weight: 700;
    border: 1px solid #A7F3D0 !important;
}

.cal-inhabil {
    color: #D1D5DB !important;
    background: transparent !important;
}

.cal-feriado {
    background-color: #FEE2E2 !important;
    color: #991B1B !important;
    border: 1px solid #FECACA !important;
}

.cal-reincorporacion {
    background-color: var(--color-primary) !important;
    color: white !important;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(27, 54, 93, 0.4);
    transform: scale(1.1);
    z-index: 2;
}

.cal-hoy {
    border: 2px solid #7C3AED !important;
    font-weight: 800;
}

.hoy-label {
    position: absolute;
    top: -8px;
    right: -5px;
    font-size: 0.55rem;
    font-weight: 900;
    color: white;
    background: #7C3AED;
    padding: 2px 4px;
    border-radius: 4px;
    text-transform: uppercase;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.calendar-legend {
    width: 100%;
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    justify-content: center;
    flex-wrap: wrap;
    border-top: 1px solid #E5E7EB;
    padding-top: 1.5rem;
}

.legend-item { display: flex; align-items: center; gap: 0.4rem; color: var(--text-main); font-weight: 500; }
.dot { width: 12px; height: 12px; border-radius: 3px; }
.dot-licencia { background: #D1FAE5; border: 1px solid #A7F3D0; }
.dot-feriado { background: #FEE2E2; border: 1px solid #FECACA; }
/* --- PORTAL DE AUTOGESTIÓN PREMIUM --- */
.portal-container {
    max-width: 1100px;
    margin: 3rem auto;
    padding: 0 1.5rem;
    font-family: 'Inter', sans-serif;
}

.portal-header-section {
    text-align: center;
    background: white;
    padding: 5rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
    border: 1px solid #E2E8F0;
    margin-bottom: 3rem;
    position: relative; /* Añadido para el botón de salir */
}

.portal-main-title {
    font-size: 2.8rem;
    color: #1E293B;
    margin-bottom: 0.75rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.portal-description {
    color: #64748B;
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

.portal-search-wrapper {
    display: flex;
    gap: 1rem;
    max-width: 700px;
    margin: 0 auto;
    background: #F8FAFC;
    padding: 0.8rem;
    border-radius: 100px;
    border: 2px solid #E2E8F0;
    transition: border-color 0.3s ease;
}

.portal-search-wrapper:focus-within {
    border-color: var(--color-primary);
}

.search-input-group {
    flex: 1;
    display: flex;
    align-items: center;
    padding-left: 1.5rem;
}

.search-icon {
    font-style: normal;
    margin-right: 1rem;
    font-size: 1.2rem;
}

.search-input-group input {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    outline: none;
    color: #1E293B;
}

.portal-search-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 0.9rem 2.5rem;
    border-radius: 100px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.portal-search-btn:hover {
    background: #1e3a8a;
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.2);
}

/* Ficha del Agente Rediseñada */
.agent-profile-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    padding: 3rem;
    border: 1px solid #F1F5F9;
}

.profile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3.5rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #F8FAFC;
}

.profile-main-info {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.avatar-circle {
    width: 80px;
    height: 80px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    box-shadow: 0 8px 16px rgba(30,58,138,0.2);
}

.agent-full-name {
    font-size: 2.2rem;
    color: #1E293B;
    margin-bottom: 0.25rem;
}

.agent-ids {
    color: #64748B;
    font-size: 1.1rem;
}

.status-token {
    background: #DCFCE7;
    color: #166534;
    padding: 0.6rem 1.5rem;
    border-radius: 100px;
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Cuadrícula de Resúmenes */
.portal-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.summary-card {
    background: #F8FAFC;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid #F1F5F9;
    text-align: center;
    transition: transform 0.3s ease;
}

.summary-card.highlight {
    background: #EFF6FF;
    border-color: #DBEAFE;
    grid-column: span 1;
}

.summary-card:hover { transform: translateY(-5px); }

.card-label {
    display: block;
    color: #64748B;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.card-value {
    font-size: 2.5rem;
    color: var(--color-primary);
    font-weight: 800;
}

.card-value small {
    font-size: 0.9rem;
    font-weight: 500;
    color: #475569;
}

.card-value-mid {
    font-size: 1.8rem;
    color: #334155;
    font-weight: 700;
}

/* Detalle de Historial */
.portal-details-section {
    background: white;
}

.section-title {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    color: #1E293B;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::before {
    content: '';
    width: 6px;
    height: 30px;
    background: var(--color-secondary);
    border-radius: 10px;
}

.history-styled-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 0.75rem;
}

.history-styled-table th {
    padding: 1rem 1.5rem;
    color: #64748B;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.history-styled-table td {
    padding: 1.5rem;
    background: #F8FAFC;
    border-top: 1px solid #F1F5F9;
    border-bottom: 1px solid #F1F5F9;
}

.history-styled-table td:first-child { border-left: 1px solid #F1F5F9; border-radius: 12px 0 0 12px; }
.history-styled-table td:last-child { border-right: 1px solid #F1F5F9; border-radius: 0 12px 12px 0; }

.portal-agent-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid #F8FAFC;
    text-align: center;
    color: #94A3B8;
    font-size: 0.9rem;
}

/* Estados de Carga y Vacíos */
.portal-loading {
    padding: 5rem;
    text-align: center;
    color: var(--color-primary);
    font-weight: 600;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    margin: 0 auto 1.5rem auto;
    animation: spin 1s linear infinite;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.portal-welcome-state, .portal-no-results {
    padding: 6rem 2rem;
    text-align: center;
    background: #F8FAFC;
    border-radius: var(--radius-lg);
}

.welcome-illustration, .error-visual { font-size: 5rem; margin-bottom: 2rem; }

/* REFUERZO DE NO RECORTE DE PALABRAS */
.history-styled-table td strong { white-space: normal; }
.btn-print-minimal {
    background: white;
    border: 1px solid #E2E8F0;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.btn-print-minimal:hover {
    background: #F8FAFC;
    border-color: #CBD5E1;
}

@media print {
    /* 1. Ocultar elementos innecesarios */
    .main-header, 
    .portal-header-section, 
    .portal-search-wrapper, 
    .btn-print-minimal, 
    .status-token, 
    .portal-agent-footer,
    .btn-buscar-portal { 
        display: none !important; 
    }

    /* 2. Ajustes Globales de Página */
    @page {
        size: A4;
        margin: 1cm;
    }

    body {
        background: white !important;
        font-size: 10pt;
        color: black !important;
    }

    .portal-container {
        margin: 0 !important;
        padding: 0 !important;
        max-width: 100% !important;
    }

    /* 3. Compactar Cabecera de Perfil */
    .agent-profile-card {
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .profile-header {
        margin-bottom: 1.5rem !important;
        padding-bottom: 1rem !important;
        border-bottom: 1px solid #EEE !important;
    }

    .avatar-circle {
        width: 50px !important;
        height: 50px !important;
        font-size: 1.5rem !important;
        box-shadow: none !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .agent-full-name {
        font-size: 1.6rem !important;
        margin-bottom: 0 !important;
    }

    .agent-ids {
        font-size: 0.9rem !important;
    }

    /* 4. Optimizar Grilla de Saldos */
    .portal-summary-grid {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important; /* Forzamos 3 o 4 columnas */
        gap: 0.5rem !important;
        margin-bottom: 1.5rem !important;
    }

    .summary-card.highlight {
        grid-column: 1 / -1 !important; /* Ocupa una fila pero más delgada */
        padding: 1rem !important;
    }

    .summary-card {
        padding: 0.8rem !important;
        background: #F8FAFC !important;
        border: 1px solid #E2E8F0 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .card-label {
        font-size: 0.75rem !important;
        margin-bottom: 0.2rem !important;
    }

    .card-value {
        font-size: 1.8rem !important;
    }

    .card-value-mid {
        font-size: 1.2rem !important;
    }

    /* 5. Compactar Tabla de Historial */
    .portal-details-section {
        margin-top: 1rem !important;
    }

    .section-title {
        font-size: 1.1rem !important;
        margin-bottom: 1rem !important;
    }

    .section-title::before {
        height: 20px !important;
    }

    .history-styled-table th {
        padding: 0.5rem !important;
        font-size: 0.75rem !important;
        background: #F8FAFC !important;
    }

    .history-styled-table td {
        padding: 0.6rem !important;
        font-size: 0.8rem !important;
        background: white !important;
        border-bottom: 1px solid #EEE !important;
    }

    .history-styled-table td:first-child, 
    .history-styled-table td:last-child {
        border-radius: 0 !important;
    }

    /* Forzar que no haya saltos de página a mitad de la ficha */
    .agent-profile-card {
        page-break-inside: avoid;
    }
}

/* --- Resilience & Cloud UI --- */
.loading-state {
    padding: 1rem;
    text-align: center;
    color: var(--color-primary);
    font-weight: 600;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: #1F2937;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-strong);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideInRight 0.3s ease-out;
    border-left: 4px solid var(--color-accent);
}

.toast.error {
    border-left-color: #EF4444;
}

/* --- RESPONSIVE DESIGN --- */

@media (max-width: 1024px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .portal-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 0.75rem 1rem;
    }

    .responsive-grid-2 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .responsive-flex {
        flex-direction: column;
        gap: 1rem;
    }

    .brand h1 {
        font-size: 1.2rem;
    }

    .mobile-nav-toggle {
        display: block;
        order: 2;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        padding: 5rem 1rem 2rem 1rem;
        transition: right 0.3s ease-in-out;
        z-index: 1000;
        box-shadow: -5px 0 15px rgba(0,0,0,0.3);
        gap: 0.5rem;
    }

    .main-nav.active {
        right: 0;
    }

    .nav-btn {
        width: 100%;
        text-align: left;
        padding: 1rem;
        background: rgba(255,255,255,0.05);
    }

    .nav-btn.active {
        background: var(--color-secondary);
    }

    /* Portal y Cards */
    .portal-header-section {
        padding: 3rem 1rem;
    }

    .portal-search-wrapper {
        flex-direction: column;
        border-radius: var(--radius-lg);
        background: white;
        padding: 1rem;
        gap: 1rem;
    }

    .search-input-group {
        padding-left: 0.5rem;
        width: 100%;
    }

    .portal-search-btn {
        width: 100%;
        border-radius: var(--radius-md);
        padding: 1rem;
    }

    .portal-main-title {
        font-size: 2rem;
    }

    .agent-profile-card {
        padding: 1.5rem;
    }

    .profile-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .portal-summary-grid {
        grid-template-columns: 1fr;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }

    /* Tablas adaptables */
    .table-container {
        margin: 0;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .history-styled-table {
        min-width: 600px; /* Asegura que no se amontone el texto */
    }

    th, td {
        padding: 0.75rem;
        font-size: 0.85rem;
    }

    /* Ocultar columnas menos importantes en móvil si es necesario */
    .hide-mobile {
        display: none;
    }

    .form-group[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    .calendar-view-container {
        padding: 1rem;
        gap: 1rem;
    }
}

/* Glassmorphism Mobile Overlay */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
}

.mobile-nav-overlay.active {
    display: block;
}

/* --- LOGIN PREMIUM --- */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 100px);
    background: radial-gradient(circle at top right, #f8fafc, #e2e8f0);
}

.login-card {
    background: white;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    border: 1px solid #e2e8f0;
    text-align: center;
}

.login-header {
    margin-bottom: 2.5rem;
}

.login-logo {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.login-header h2 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.login-header p {
    color: var(--text-muted);
}

.login-form {
    text-align: left;
}

.login-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #f1f5f9;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.error-msg {
    background: #fee2e2;
    color: #b91c1c;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid #fecaca;
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.loading-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}