/* ============================================
   Sistema de Asistencia por QR - Estilos CSS
   Diseño Profesional, Moderno y Limpio
   ============================================ */

/* === VARIABLES CSS === */
:root {
    /* Colores principales */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Colores de acento */
    --accent-50: #f0fdf4;
    --accent-100: #dcfce7;
    --accent-200: #bbf7d0;
    --accent-300: #86efac;
    --accent-400: #4ade80;
    --accent-500: #22c55e;
    --accent-600: #16a34a;

    /* Colores neutros */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Estados */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Bordes */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;

    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Espaciado */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
}

/* === RESET Y BASE === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--primary-700);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* === UTILIDADES === */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: var(--spacing-1);
}

.gap-2 {
    gap: var(--spacing-2);
}

.gap-3 {
    gap: var(--spacing-3);
}

.gap-4 {
    gap: var(--spacing-4);
}

.gap-6 {
    gap: var(--spacing-6);
}

.gap-8 {
    gap: var(--spacing-8);
}

.hidden {
    display: none !important;
}

/* === LAYOUT PRINCIPAL === */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* === SIDEBAR === */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--primary-700) 0%, var(--primary-900) 100%);
    color: white;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 1000;
    transition: transform var(--transition-slow);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.sidebar-logo-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.sidebar-logo-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

.sidebar-logo-text h1 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 2px;
}

.sidebar-logo-text span {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4);
}

.nav-section {
    margin-bottom: var(--spacing-6);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.5;
    margin-bottom: var(--spacing-2);
    padding: 0 var(--spacing-3);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius);
    color: rgba(255, 255, 255, 0.85);
    transition: all var(--transition);
    margin-bottom: var(--spacing-1);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: var(--font-size-sm);
}

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

.nav-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-weight: 500;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

/* === CONTENIDO PRINCIPAL === */
.main-content {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
    background: var(--gray-50);
}

/* === HEADER === */
.header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-4) var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.menu-toggle {
    display: none;
    padding: var(--spacing-2);
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius);
    color: var(--gray-600);
}

.menu-toggle:hover {
    background: var(--gray-100);
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

.page-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.header-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.header-date svg {
    width: 18px;
    height: 18px;
}

/* === CONTENIDO DE PÁGINA === */
.page-content {
    padding: var(--spacing-6);
}

/* === TARJETAS === */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.card-title svg {
    width: 22px;
    height: 22px;
    color: var(--primary-600);
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* === ESTADÍSTICAS === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-icon.primary {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stat-icon.success {
    background: var(--accent-100);
    color: var(--accent-600);
}

.stat-icon.warning {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-icon.info {
    background: var(--info-light);
    color: var(--info);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-top: var(--spacing-1);
}

/* === BOTONES === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    box-shadow: 0 4px 8px rgba(16, 185, 129, 0.35);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.35);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-lg svg {
    width: 22px;
    height: 22px;
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-icon {
    padding: var(--spacing-2);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* === FORMULARIOS === */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background: white;
    transition: all var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input-icon {
    position: relative;
}

.form-input-icon .form-input {
    padding-left: 44px;
}

.form-input-icon svg {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--gray-400);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--error);
    margin-top: var(--spacing-1);
}

/* === TABLAS === */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}

.table th {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-50);
    white-space: nowrap;
}

.table td {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.table tbody tr {
    transition: background var(--transition);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.table-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    overflow: hidden;
    flex-shrink: 0;
}

.table-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* === BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-error {
    background: var(--error-light);
    color: var(--error);
}

.badge-info {
    background: var(--info-light);
    color: var(--info);
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

/* === MODAL === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    padding: var(--spacing-4);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-slow);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    padding: var(--spacing-2);
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius);
    color: var(--gray-400);
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--spacing-6);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
}

/* === QR SCANNER === */
.scanner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-8);
}

.scanner-box {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--gray-900);
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.scanner-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scanner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.scanner-frame {
    width: 70%;
    height: 70%;
    border: 3px solid var(--primary-400);
    border-radius: var(--radius-lg);
    position: relative;
}

.scanner-frame::before,
.scanner-frame::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border-color: white;
    border-style: solid;
}

.scanner-frame::before {
    top: -3px;
    left: -3px;
    border-width: 4px 0 0 4px;
    border-radius: 4px 0 0 0;
}

.scanner-frame::after {
    top: -3px;
    right: -3px;
    border-width: 4px 4px 0 0;
    border-radius: 0 4px 0 0;
}

.scanner-line {
    position: absolute;
    top: 0;
    left: 5%;
    right: 5%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-400), transparent);
    animation: scanLine 2s ease-in-out infinite;
}

@keyframes scanLine {

    0%,
    100% {
        top: 10%;
    }

    50% {
        top: 85%;
    }
}

.scanner-status {
    margin-top: var(--spacing-6);
    text-align: center;
}

.scanner-status h3 {
    font-size: var(--font-size-xl);
    color: var(--gray-800);
    margin-bottom: var(--spacing-2);
}

.scanner-status p {
    color: var(--gray-500);
}

/* === PÁGINAS DE AUTENTICACIÓN === */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
    background: linear-gradient(135deg, var(--primary-50) 0%, white 50%, var(--accent-50) 100%);
}

.auth-container {
    display: flex;
    width: 100%;
    max-width: 1100px;
    min-height: 600px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.auth-left {
    flex: 1;
    padding: var(--spacing-12);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-right {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    padding: var(--spacing-12);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-8);
}

.auth-logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.auth-logo-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.auth-logo h1 {
    font-size: var(--font-size-2xl);
    color: var(--gray-900);
}

.auth-logo span {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.auth-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.auth-subtitle {
    color: var(--gray-500);
    margin-bottom: var(--spacing-8);
}

.auth-form {
    max-width: 400px;
}

.auth-links {
    margin-top: var(--spacing-6);
    text-align: center;
    color: var(--gray-600);
}

.auth-links a {
    font-weight: 500;
}

.auth-illustration {
    text-align: center;
}

.auth-illustration svg {
    width: 300px;
    height: 300px;
    opacity: 0.9;
}

.auth-feature {
    margin-top: var(--spacing-8);
    text-align: center;
}

.auth-feature h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2);
}

.auth-feature p {
    opacity: 0.8;
    max-width: 300px;
}

/* === ALERTAS === */
.alert {
    padding: var(--spacing-4);
    border-radius: var(--radius);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-error {
    background: var(--error-light);
    color: var(--error);
    border: 1px solid var(--error);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.alert-info {
    background: var(--info-light);
    color: var(--info);
    border: 1px solid var(--info);
}

/* === RESULTADO DE ESCANEO === */
.scan-result {
    text-align: center;
    padding: var(--spacing-8);
}

.scan-result-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-6);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scan-result-icon.success {
    background: var(--success-light);
    color: var(--success);
}

.scan-result-icon.error {
    background: var(--error-light);
    color: var(--error);
}

.scan-result-icon svg {
    width: 60px;
    height: 60px;
}

.scan-result h2 {
    font-size: var(--font-size-2xl);
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.scan-result .user-name-display {
    font-size: var(--font-size-xl);
    color: var(--primary-600);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.scan-result .time-display {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.scan-result .date-display {
    color: var(--gray-500);
    margin-bottom: var(--spacing-6);
}

/* === MI QR === */
.my-qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-8);
}

.qr-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    box-shadow: var(--shadow-lg);
    max-width: 350px;
}

.qr-card .user-info-display {
    margin-bottom: var(--spacing-6);
}

.qr-card .user-avatar-lg {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-4);
    background: var(--gray-200);
    overflow: hidden;
}

.qr-card .user-avatar-lg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qr-card h3 {
    font-size: var(--font-size-xl);
    color: var(--gray-900);
    margin-bottom: var(--spacing-1);
}

.qr-card .cargo {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.qr-display {
    background: white;
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-4);
}

.qr-display canvas,
.qr-display img {
    max-width: 200px;
    height: auto;
}

.qr-instructions {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    max-width: 250px;
    margin: 0 auto;
}

/* === PAGINACIÓN === */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-6);
}

.pagination-btn {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--gray-300);
    background: white;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    font-size: var(--font-size-sm);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--primary-500);
    color: var(--primary-600);
}

.pagination-btn.active {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* === LOADER === */
.loader {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-radius: 50%;
    border-top-color: var(--primary-600);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-overlay p {
    margin-top: var(--spacing-4);
    color: var(--gray-600);
}

/* === FILTROS === */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.filter-group label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    white-space: nowrap;
}

.filter-group input,
.filter-group select {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: var(--spacing-12);
    color: var(--gray-500);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    color: var(--gray-300);
    margin-bottom: var(--spacing-4);
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    .sidebar-backdrop.active {
        opacity: 1;
        visibility: visible;
    }
}

@media (max-width: 768px) {
    .auth-page {
        padding: 0;
        align-items: stretch;
    }

    .auth-container {
        flex-direction: column;
        border-radius: 0;
        min-height: 100vh;
    }

    .auth-left {
        padding: var(--spacing-8) var(--spacing-6);
        flex: none;
    }

    .auth-right {
        flex: none;
        padding: var(--spacing-8) var(--spacing-6);
        min-height: auto;
    }

    .auth-illustration svg {
        width: 180px;
        height: 180px;
    }

    .auth-feature h3 {
        font-size: var(--font-size-lg);
    }

    .auth-feature p {
        font-size: var(--font-size-sm);
    }

    .scanner-station-btn {
        margin-top: var(--spacing-6);
        padding: var(--spacing-3) var(--spacing-6);
        font-size: var(--font-size-sm);
    }

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

    .page-content {
        padding: var(--spacing-4);
    }

    .header {
        padding: var(--spacing-3) var(--spacing-4);
    }

    .page-title {
        font-size: var(--font-size-lg);
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }

    .filters {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }

    .filter-group input,
    .filter-group select {
        flex: 1;
    }

    .modal {
        margin: var(--spacing-4);
        max-width: calc(100% - var(--spacing-8));
    }

    .scanner-box {
        max-width: 300px;
    }

    .table th,
    .table td {
        padding: var(--spacing-3);
    }
}

@media (max-width: 480px) {
    .auth-left {
        padding: var(--spacing-6) var(--spacing-4);
    }

    .auth-title {
        font-size: var(--font-size-2xl);
    }

    .btn {
        width: 100%;
    }

    .btn-group {
        flex-direction: column;
    }

    .action-buttons {
        flex-direction: column;
        gap: var(--spacing-2);
    }
}

/* === ANIMACIONES PERSONALIZADAS === */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Stagger animation delays */
.stagger-1 {
    animation-delay: 0.1s;
}

.stagger-2 {
    animation-delay: 0.2s;
}

.stagger-3 {
    animation-delay: 0.3s;
}

.stagger-4 {
    animation-delay: 0.4s;
}

/* === GRÁFICOS === */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
}

/* === TABS === */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-6);
}

.tab {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-600);
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    transition: all var(--transition);
}

.tab:hover {
    color: var(--primary-600);
}

.tab.active {
    color: var(--primary-600);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-600);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* === BOTÓN ESTACIÓN DE ESCANEO === */
.scanner-station-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-8);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    margin-top: var(--spacing-8);
    text-decoration: none;
}

.scanner-station-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.scanner-station-btn svg {
    width: 24px;
    height: 24px;
}

@keyframes scannerPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.scanner-station-btn:hover svg {
    animation: scannerPulse 0.8s ease-in-out infinite;
}