/* Authentication Pages Styling */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    
    /* Dark Theme Neutrals (Default) */
    --gray-50: #0a0a0a;
    --gray-100: #141414;
    --gray-200: #1f1f1f;
    --gray-300: #2a2a2a;
    --gray-400: #3a3a3a;
    --gray-500: #525252;
    --gray-600: #717171;
    --gray-700: #a3a3a3;
    --gray-800: #d4d4d4;
    --gray-900: #f5f5f5;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(180deg, #0a0a0a 0%, #141414 50%, #1a1a1a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-900);
    overflow: hidden;
    color-scheme: dark;
}

/* Auth Container */
.auth-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    padding: 2rem;
}

.auth-card {
    background: var(--gray-100);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    padding: 3rem;
    position: relative;
    z-index: 10;
    border: 1px solid var(--gray-400);
}

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.auth-logo {
    height: 48px;
    width: auto;
    margin-bottom: 1rem;
}

.auth-header p {
    color: var(--gray-700);
    font-size: 0.875rem;
}

/* Form Styles */
.auth-form h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-500);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
    background: var(--gray-100);
    color: var(--gray-900);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
    background: var(--gray-50);
}

.form-group input::placeholder {
    color: var(--gray-600);
}

.form-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

/* Button Styles */
.btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

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

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

.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Messages */
.error-message,
.success-message {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.error-message {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
    border-left: 4px solid var(--error);
}

.success-message {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border-left: 4px solid var(--success);
}

/* Auth Footer */
.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-400);
}

.auth-footer p {
    font-size: 0.875rem;
    color: var(--gray-700);
}

.auth-footer a {
    color: var(--primary-light);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.auth-footer a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Animated Background */
.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, transparent 70%);
    bottom: -175px;
    right: -175px;
    animation-delay: 2s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.3) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* Responsive Design */
@media (max-width: 640px) {
    .auth-container {
        padding: 1rem;
    }

    .auth-card {
        padding: 2rem 1.5rem;
    }

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

    .auth-form h2 {
        font-size: 1.25rem;
    }
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
    height: 4px;
    background: var(--gray-400);
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    transition: all 0.3s;
}

.password-strength-weak {
    width: 33%;
    background: var(--error);
}

.password-strength-medium {
    width: 66%;
    background: var(--warning);
}

.password-strength-strong {
    width: 100%;
    background: var(--success);
}