src/static/css/signup.css

/* Enhanced Signup Page Styles with Dark Mode Support */

/* Auth Hero Background */
.auth-hero {
    background: var(--background-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

/* Animated background elements */
.auth-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 70%, rgba(5, 150, 105, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
    animation: authFloat 20s ease-in-out infinite;
}

[data-theme="dark"] .auth-hero::before {
    background:
        radial-gradient(circle at 30% 70%, rgba(34, 197, 94, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(5, 150, 105, 0.12) 0%, transparent 50%);
}

@keyframes authFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
}

.auth-container {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 2rem 0;
}

/* Enhanced Auth Card - Made Wider */
.auth-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    max-width: 650px; /* Increased from 500px to 650px */
    width: 100%;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
    margin: 2rem auto;
}

[data-theme="dark"] .auth-card {
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid var(--border-color-dark);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* Modern Header Design */
.auth-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 2rem 2rem;
    text-align: center;
    position: relative;
}

.auth-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
}

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

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.auth-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 0;
    font-weight: 400;
}

/* Enhanced Form Body - Increased padding for wider card */
.auth-body {
    padding: 3rem 4rem; /* Increased horizontal padding from 3rem to 4rem */
    background: var(--card-bg);
    color: var(--text-primary);
}

/* Floating Form Fields */
.form-floating {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-floating label {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

.form-control {
    background: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
    outline: none;
    background: var(--card-bg);
    transform: translateY(-2px);
}

.form-control::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* Enhanced Password Requirements */
.password-requirements {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

[data-theme="dark"] .password-requirements {
    background: rgba(34, 197, 94, 0.05);
    border-color: rgba(34, 197, 94, 0.2);
}

.password-requirements strong {
    color: var(--primary-color);
    font-weight: 600;
}

.password-requirements ul {
    margin: 0.5rem 0 0 0;
    padding-left: 1.2rem;
}

.password-requirements li {
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.password-requirements li::marker {
    color: var(--primary-color);
}

/* Enhanced Auth Button */
.btn-auth {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border: none;
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 12px;
    width: 100%;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.btn-auth::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 ease;
}

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

.btn-auth:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.btn-auth:active {
    transform: translateY(-1px);
}

/* Modern Divider */
.divider {
    position: relative;
    text-align: center;
    margin: 2.5rem 0;
}

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

.divider span {
    background: var(--card-bg);
    padding: 0 1.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Enhanced Auth Links */
.auth-links {
    text-align: center;
    line-height: 1.8;
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.5rem 0;
    padding: 0.25rem 0;
}

.auth-link:hover {
    color: var(--primary-dark);
    text-decoration: none;
    transform: translateY(-1px);
}

.auth-link i {
    font-size: 0.875rem;
    transition: transform 0.3s ease;
}

.auth-link:hover i {
    transform: translateX(2px);
}

/* Enhanced Terms Notice */
.terms-notice {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    margin-top: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

[data-theme="dark"] .terms-notice {
    background: rgba(34, 197, 94, 0.05);
    border-color: rgba(34, 197, 94, 0.2);
}

.terms-notice .text-muted {
    color: var(--text-secondary) !important;
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.5;
}

.terms-notice .auth-link {
    font-size: 0.875rem;
    font-weight: 600;
}

/* Enhanced Alerts */
.alert {
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
    padding: 1rem 1.25rem;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #dc2626;
}

[data-theme="dark"] .alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

/* Form Validation */
.invalid-feedback {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

[data-theme="dark"] .invalid-feedback {
    color: #fca5a5;
}

.form-control.is-invalid {
    border-color: #dc2626;
    background: rgba(239, 68, 68, 0.05);
}

.form-control.is-invalid:focus {
    border-color: #dc2626;
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
    background: var(--card-bg);
}

[data-theme="dark"] .form-control.is-invalid {
    background: rgba(239, 68, 68, 0.1);
}

/* Loading State */
.btn-auth:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-auth .spinner-border {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
}

/* Focus Indicators for Accessibility */
.form-control:focus-visible,
.btn-auth:focus-visible,
.auth-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .auth-hero {
        padding: 1rem;
    }

    .auth-card {
        margin: 1rem;
        max-width: none;
        border-radius: 20px;
    }

    .auth-header {
        padding: 2.5rem 1.5rem 1.5rem;
    }

    .auth-title {
        font-size: 1.75rem;
    }

    .auth-subtitle {
        font-size: 0.95rem;
    }

    .auth-body {
        padding: 2rem 1.5rem; /* Reduced padding on mobile */
    }

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

    .btn-auth {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .password-requirements {
        font-size: 0.8125rem;
    }

    .terms-notice {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .auth-card {
        margin: 0.5rem;
        border-radius: 16px;
    }

    .auth-header {
        padding: 2rem 1rem 1rem;
    }

    .auth-title {
        font-size: 1.5rem;
    }

    .auth-body {
        padding: 1.5rem 1rem;
    }

    .form-control {
        padding: 0.875rem 1rem;
    }

    .password-requirements {
        padding: 0.875rem;
        font-size: 0.8rem;
    }

    .terms-notice {
        padding: 0.875rem;
    }
}

/* Animation Enhancements */
.auth-card {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hover Effects for Interactive Elements */
.form-floating:hover .form-control {
    border-color: var(--primary-color);
}

.password-requirements:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.terms-notice:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Enhanced Visual Hierarchy */
.auth-links > span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-right: 0.5rem;
}

/* Dark mode specific enhancements */
[data-theme="dark"] .form-control {
    background: rgba(15, 23, 42, 0.8);
}

[data-theme="dark"] .form-control:focus {
    background: var(--card-bg);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
}

[data-theme="dark"] .btn-auth:hover {
    box-shadow: 0 15px 35px rgba(34, 197, 94, 0.3);
}

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

.password-strength .strength-bar {
    height: 100%;
    transition: width 0.3s ease, background-color 0.3s ease;
    border-radius: 2px;
}

.password-strength .strength-weak {
    background: #ef4444;
    width: 25%;
}

.password-strength .strength-medium {
    background: #f59e0b;
    width: 50%;
}

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