/* css/register.css */
:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --light: #ecf0f1;
    --dark: #34495e;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.register-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.register-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    animation: slideUp 0.5s ease;
}

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

.register-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 30px;
    text-align: center;
}

.register-header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.register-header .subtitle {
    opacity: 0.9;
    font-size: 0.95rem;
}

.register-form {
    padding: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
    background: #fafafa;
}

.form-control:focus {
    border-color: var(--secondary);
    background: white;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    outline: none;
}

.form-control.is-invalid {
    border-color: var(--danger);
    background: #fff5f5;
}

.form-control.is-valid {
    border-color: var(--success);
    background: #f0fff4;
}

.form-text {
    font-size: 0.85rem;
    color: #666;
    margin-top: 5px;
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 5px;
}

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

.password-strength {
    margin-top: 10px;
}

.strength-bar {
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 5px;
}

.strength-bar::before {
    content: '';
    display: block;
    height: 100%;
    width: 0%;
    background: var(--danger);
    transition: all 0.3s;
}

.strength-text {
    font-size: 0.85rem;
    color: #666;
}

.terms-group {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

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

.btn {
    display: block;
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), #2980b9);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 14px rgba(52, 152, 219, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #219653);
    color: white;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-block {
    width: 100%;
}

.alert {
    margin: 20px 30px;
    padding: 15px;
    border-radius: 8px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.alert-danger {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    color: #c53030;
}

.alert-success {
    background: #f0fff4;
    border: 1px solid #c6f6d5;
    color: #22543d;
}

.alert h4 {
    margin-bottom: 10px;
}

.register-footer {
    padding: 20px 30px;
    border-top: 1px solid #e9ecef;
    background: #f8f9fa;
    text-align: center;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: #666;
}

.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

a {
    color: var(--secondary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Адаптивность */
@media (max-width: 576px) {
    .register-card {
        margin: 10px;
    }
    
    .register-form {
        padding: 20px;
    }
    
    .register-header {
        padding: 20px;
    }
    
    .register-header h1 {
        font-size: 1.5rem;
    }
}