/**
 * Estilos principales para el sistema de login profesional
 */

:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --primary-light: #5faee3;
    --secondary-color: #2c3e50;
    --secondary-dark: #1a252f;
    --secondary-light: #455a64;
    --accent-color: #1abc9c;
    --accent-dark: #16a085;
    --accent-light: #48c9b0;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333333;
    --text-muted: #7f8c8d;
    --border-color: #ddd;
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* Reset y Estilos Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--light-color), #bdc3c7);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

ul, ol {
    list-style: none;
}

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

/* Header */
.header {
    background-color: var(--dark-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 100;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
}

.logo-icon {
    margin-right: var(--spacing-sm);
    font-size: 24px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: var(--font-size-xl);
    cursor: pointer;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl);
}

/* Auth Container */
.auth-container {
    display: flex;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
}

.auth-image {
    flex: 1;
    background: url('https://source.unsplash.com/random/600x900/?office') center/cover;
    min-height: 400px;
}

.auth-form {
    flex: 1;
    padding: var(--spacing-xxl);
    display: flex;
    flex-direction: column;
}

.auth-title {
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-lg);
    color: var(--dark-color);
    font-weight: var(--font-weight-semibold);
}

.auth-description {
    margin-bottom: var(--spacing-lg);
    color: var(--text-muted);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
    font-weight: var(--font-weight-medium);
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-md);
    transition: var(--transition-normal);
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
    outline: none;
}

.form-input.error {
    border-color: var(--error-color);
}

.error-message {
    color: var(--error-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 20px;
}

.input-icon {
    position: absolute;
    right: 15px;
    top: 40px;
    color: var(--text-muted);
}

.password-toggle {
    cursor: pointer;
    user-select: none;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-container input {
    margin-right: var(--spacing-xs);
}

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-normal);
}

.forgot-password:hover {
    text-decoration: underline;