/**
 * Login Page Styles for Lagenda
 * Theme: Dark mode with accent colors matching the main site
 */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-primary: #6366f1;
    --accent-hover: #818cf8;
    --accent-success: #10b981;
    --accent-error: #ef4444;
    --border-color: #2a2a3a;
    --facebook-blue: #1877f2;
    --facebook-hover: #166fe5;
    --google-bg: #ffffff;
    --google-text: #3c4043;
    --google-border: #dadce0;
    --google-hover: #f1f3f4;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-image: 
        radial-gradient(ellipse at top, rgba(99, 102, 241, 0.1), transparent 50%),
        radial-gradient(ellipse at bottom, rgba(99, 102, 241, 0.05), transparent 50%);
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 40px 32px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.login-subtitle {
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Tabs */
.auth-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 4px;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.auth-tab.active {
    background: var(--accent-primary);
    color: var(--text-primary);
}

/* Forms */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-group input::placeholder {
    color: #666;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* Primary Button */
.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    background: var(--accent-primary);
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

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

.btn-primary svg,
.btn-primary i {
    width: 18px;
    height: 18px;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* OAuth Buttons */
.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

/* Facebook Button - Prominent */
.btn-facebook {
    background: var(--facebook-blue);
    color: white;
    box-shadow: 0 4px 14px rgba(24, 119, 242, 0.35);
}

.btn-facebook:hover {
    background: var(--facebook-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(24, 119, 242, 0.4);
}

/* Google Button */
.btn-google {
    background: var(--google-bg);
    color: var(--google-text);
    border: 1px solid var(--google-border);
}

.btn-google:hover {
    background: var(--google-hover);
    transform: translateY(-1px);
}

/* Messages */
.error-message,
.success-message {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-top: 16px;
    text-align: center;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--accent-error);
}

.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-success);
}

/* Back Link */
.back-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--accent-primary);
}

.back-link svg,
.back-link i {
    width: 16px;
    height: 16px;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 32px 24px;
    }
    
    .login-logo {
        font-size: 2rem;
    }
}