/* ============================================================
   auth.css - Sistema de Autenticación SmartAsistencia
   Versión Profesional 2.0
   ============================================================ */

/* Variables CSS - Paleta de colores profesional */
:root {
    /* Colores principales - Tema azul marino profesional */
    --primary-color: #1e5c8b;
    --primary-dark: #0f4168;
    --primary-light: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #1e5c8b 0%, #0f4168 100%);
    /* Colores secundarios - Acentos profesionales */
    --secondary-color: #2c7da0;
    --secondary-light: #61a5c2;
    --accent-color: #e9c46a;
    --accent-dark: #d4a373;
    /* Estados y feedback */
    --success-color: #2ecc71;
    --success-dark: #27ae60;
    --error-color: #e74c3c;
    --error-dark: #c0392b;
    --warning-color: #f39c12;
    --info-color: #3498db;
    /* Escala de grises profesional */
    --text-primary: #2c3e50;
    --text-secondary: #5d6d7e;
    --text-tertiary: #85929e;
    --text-light: #aeb6bf;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #eef2f7;
    --border-color: #e1e8ed;
    --border-focus: #3498db;
    /* Sombras refinadas */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.12);
    --shadow-2xl: 0 25px 50px rgba(0,0,0,0.15);
    /* Transiciones suaves */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    /* Bordes */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

/* Reset y estilos base modernizados */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(145deg, #e8f0f8 0%, #d4e4f0 100%);
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--text-primary);
    line-height: 1.5;
}

/* ============================================================
   NAVBAR - Diseño moderno
   ============================================================ */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(30, 92, 139, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.3px;
}

.nav-brand svg {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    padding: var(--spacing-sm) 0;
}

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--primary-gradient);
        transition: var(--transition-base);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        width: 100%;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--primary-color);
    }

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-left: var(--spacing-lg);
    border-left: 1px solid var(--border-color);
}

.user-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-size: 0.875rem;
    font-weight: 500;
}

    .btn-logout:hover {
        background: rgba(231, 76, 60, 0.1);
        transform: translateY(-1px);
    }

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
    min-height: calc(100vh - 70px);
    padding: var(--spacing-2xl) var(--spacing-lg);
}

/* ============================================================
   AUTH CONTAINER
   ============================================================ */
.auth-container {
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    animation: slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

/* ============================================================
   AUTH CARD - Diseño elevado
   ============================================================ */
.auth-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    transition: var(--transition-base);
    border: 1px solid rgba(30, 92, 139, 0.08);
}

    .auth-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
    }

/* Header con diseño moderno */
.auth-header {
    background: var(--primary-gradient);
    color: white;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

    .auth-header::before {
        content: '';
        position: absolute;
        top: -30%;
        right: -30%;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
        border-radius: 50%;
    }

    .auth-header::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -30%;
        width: 250px;
        height: 250px;
        background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
        border-radius: 50%;
    }

.logo {
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-8px);
    }
}

.logo svg {
    color: white;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}

.auth-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
}

.auth-header p {
    font-size: 0.875rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

/* ============================================================
   FORMULARIOS - Estilo profesional
   ============================================================ */
.auth-form {
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

    .form-group label {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
        font-size: 0.875rem;
        font-weight: 600;
        color: var(--text-primary);
    }

        .form-group label svg {
            color: var(--primary-color);
            width: 18px;
            height: 18px;
        }

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
    background: var(--bg-primary);
    font-family: inherit;
    color: var(--text-primary);
}

    .form-control:hover {
        border-color: var(--secondary-light);
    }

    .form-control:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(30, 92, 139, 0.1);
    }

    .form-control.error {
        border-color: var(--error-color);
        background-color: rgba(231, 76, 60, 0.02);
    }

.error-message {
    display: block;
    color: var(--error-color);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

/* Password wrapper mejorado */
.password-wrapper {
    position: relative;
}

    .password-wrapper .form-control {
        padding-right: 48px;
    }

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--text-tertiary);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

    .toggle-password:hover {
        color: var(--primary-color);
        transform: translateY(-50%) scale(1.1);
    }

/* Checkbox group mejorado */
.checkbox-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    margin: 0;
}

    .checkbox-label input[type="checkbox"] {
        width: 18px;
        height: 18px;
        cursor: pointer;
        accent-color: var(--primary-color);
    }

    .checkbox-label span {
        font-size: 0.875rem;
        color: var(--text-secondary);
        font-weight: 500;
    }

.forgot-link {
    font-size: 0.875rem;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
}

    .forgot-link:hover {
        color: var(--primary-dark);
        text-decoration: underline;
    }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

    .back-link:hover {
        color: var(--primary-dark);
        gap: var(--spacing-md);
    }

/* Botón primario con efecto moderno */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

    .btn-primary::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
        transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .btn-primary:hover::before {
        left: 100%;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(30, 92, 139, 0.3);
    }

    .btn-primary:active {
        transform: translateY(0);
    }

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

/* Footer */
.auth-footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

    .auth-footer p {
        font-size: 0.75rem;
        color: var(--text-tertiary);
    }

/* ============================================================
   TOAST NOTIFICATIONS - Mejoradas
   ============================================================ */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1100;
}

.toast {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 320px;
    animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border-left: 4px solid;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

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

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.toast.success {
    border-left-color: var(--success-color);
}

    .toast.success .toast-icon {
        color: var(--success-color);
    }

.toast.error {
    border-left-color: var(--error-color);
}

    .toast.error .toast-icon {
        color: var(--error-color);
    }

.toast.warning {
    border-left-color: var(--warning-color);
}

    .toast.warning .toast-icon {
        color: var(--warning-color);
    }

.toast-icon {
    font-size: 1.25rem;
    font-weight: bold;
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text-tertiary);
    transition: var(--transition-fast);
    padding: var(--spacing-xs);
    line-height: 1;
}

    .toast-close:hover {
        color: var(--text-primary);
        transform: scale(1.1);
    }

/* ============================================================
   LOADING SPINNER - Moderno
   ============================================================ */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-right-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================================
   PASSWORD REQUIREMENTS - Mejorado visualmente
   ============================================================ */
.password-requirements {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

    .password-requirements span {
        display: inline-flex;
        align-items: center;
        gap: var(--spacing-xs);
    }

.password-match {
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

    .password-match.valid {
        color: var(--success-color);
    }

    .password-match.invalid {
        color: var(--error-color);
    }

/* ============================================================
   RESPONSIVE - Mejorado
   ============================================================ */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .nav-menu {
        gap: var(--spacing-md);
    }

    .nav-link {
        font-size: 0.875rem;
    }

    .user-name span {
        display: none;
    }

    .auth-container {
        padding: var(--spacing-md);
    }

    .auth-header {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

        .auth-header h1 {
            font-size: 1.75rem;
        }

    .auth-form {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .form-control {
        font-size: 0.875rem;
    }

    .checkbox-group {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }

    .toast {
        min-width: auto;
        max-width: calc(100vw - 40px);
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .nav-brand span {
        display: none;
    }

    .nav-menu {
        gap: var(--spacing-sm);
    }

    .btn-logout span {
        display: none;
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }

    .auth-header p {
        font-size: 0.75rem;
    }
}

/* ============================================================
   ANIMACIONES DE ENTRADA - Refinadas
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.auth-form .form-group {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
}

    .auth-form .form-group:nth-child(1) {
        animation-delay: 0.1s;
    }

    .auth-form .form-group:nth-child(2) {
        animation-delay: 0.2s;
    }

.auth-form .checkbox-group {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 0.3s;
    opacity: 0;
}

.auth-form .btn-primary {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-light);
    border-radius: var(--radius-full);
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--secondary-color);
    }