/*
 * Norma AI - Auth Pages Minimal Style
 * Version: 1.0.0
 * Minimal and modern authentication styles
 */

/* Import variable font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');

/* CSS Variables for theming */
:root {
    /* Base colors - Softer, more neutral palette */
    --color-bg: #f7f7f7;
    --color-surface: #ffffff;
    --color-text-primary: #2d3748;
    --color-text-secondary: #718096;
    --color-text-tertiary: #a0aec0;
    --color-border: #e2e8f0;
    
    /* Accent colors - More sophisticated and balanced */
    --color-accent: #3182ce;
    --color-accent-light: #63b3ed;
    --color-accent-dark: #2c5282;
    
    /* Status colors - Softer, less saturated */
    --color-success: #38b2ac;
    --color-warning: #ed8936;
    --color-error: #e53e3e;
    --color-info: #4299e1;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-xxl: 1.5rem;
    --font-size-xxxl: 2rem;
    --font-size-xxxxl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-xxl: 1.5rem;
    --radius-circle: 50%;
    --radius-pill: 9999px;
    
    /* Shadows */
    --shadow-small: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xlarge: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark mode theme - More refined and less harsh */
.dark-mode {
    --color-bg: #1a202c;
    --color-surface: #2d3748;
    --color-text-primary: #f7fafc;
    --color-text-secondary: #cbd5e0;
    --color-text-tertiary: #a0aec0;
    --color-border: #4a5568;
    
    /* Accent colors - Brighter and more visible in dark mode */
    --color-accent: #4299e1;
    --color-accent-light: #63b3ed;
    --color-accent-dark: #2b6cb0;
}

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

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    color: var(--color-text-primary);
    line-height: 1.5;
}

.dark-mode body {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
}

/* Auth container */
.auth-container {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xlarge);
    overflow: hidden;
    max-width: 900px;
    width: 100%;
    display: flex;
    min-height: 600px;
}

/* Left side (branding) */
.auth-left {
    flex: 1;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: white;
    padding: var(--space-xxl) var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-50px, -50px) rotate(360deg); }
}

.auth-left-content {
    position: relative;
    z-index: 1;
}

.auth-left h1 {
    font-size: var(--font-size-xxxxl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.auth-left p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    line-height: 1.6;
}

.robot-icon {
    font-size: var(--font-size-xxxxl);
    margin-bottom: var(--space-xl);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Right side (form) */
.auth-right {
    flex: 1;
    padding: var(--space-xxl) var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-form h2 {
    color: var(--color-text-primary);
    font-weight: 600;
    margin-bottom: var(--space-xl);
    text-align: center;
}

/* Form elements */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
    display: block;
}

.input-group {
    position: relative;
}

.input-group-text {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    z-index: 10;
}

.form-control {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-md) var(--space-md) var(--space-xl);
    font-size: var(--font-size-md);
    transition: all var(--transition-fast);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    font-family: var(--font-family);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.15);
    background-color: var(--color-surface);
}

.dark-mode .form-control {
    background-color: rgba(0, 0, 0, 0.1);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

.dark-mode .form-control:focus {
    background-color: rgba(0, 0, 0, 0.2);
}

/* Password toggle */
.password-toggle {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    z-index: 10;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--color-text-primary);
}

/* Form check */
.form-check {
    display: flex;
    align-items: center;
    margin: var(--space-md) 0;
}

.form-check-input {
    margin-right: var(--space-sm);
    width: 18px;
    height: 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: var(--color-bg);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.form-check-input:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: var(--font-size-sm);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-md);
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: white;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

/* Alerts */
.alert {
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
}

.alert-danger {
    background-color: rgba(229, 62, 62, 0.1);
    color: var(--color-error);
}

.alert-success {
    background-color: rgba(56, 178, 172, 0.1);
    color: var(--color-success);
}

.alert i {
    margin-right: var(--space-sm);
}

/* Divider */
.divider {
    text-align: center;
    margin: var(--space-lg) 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-border);
}

.divider span {
    background-color: var(--color-surface);
    padding: 0 var(--space-md);
    position: relative;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

/* Auth links */
.auth-links {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-links a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.auth-links a:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

/* Password strength */
.password-strength {
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs);
}

.strength-bar {
    height: 4px;
    background-color: var(--color-border);
    border-radius: var(--radius-pill);
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.strength-fill {
    height: 100%;
    transition: all var(--transition-fast);
    border-radius: var(--radius-pill);
}

.strength-weak { background-color: var(--color-error); width: 25%; }
.strength-fair { background-color: var(--color-warning); width: 50%; }
.strength-good { background-color: var(--color-info); width: 75%; }
.strength-strong { background-color: var(--color-success); width: 100%; }

.strength-text {
    color: var(--color-text-secondary);
}

/* Loading spinner */
.loading-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--space-sm);
}

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

/* Dark mode toggle */
.dark-mode-toggle {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    z-index: 10;
    transition: color var(--transition-fast);
}

.dark-mode-toggle:hover {
    color: var(--color-text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .auth-container {
        flex-direction: column;
        max-width: 400px;
        min-height: auto;
    }

    .auth-left {
        padding: var(--space-lg) var(--space-md);
    }

    .auth-left h1 {
        font-size: var(--font-size-xxl);
    }

    .robot-icon {
        font-size: var(--font-size-xxxl);
        margin-bottom: var(--space-md);
    }

    .auth-right {
        padding: var(--space-lg) var(--space-md);
    }
}