/* Authentication Pages Styling - Clean Version */

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

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Auth Container - Centered */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

/* Auth Card */
.auth-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding: 40px;
    width: 100%;
    animation: slideUp 0.6s ease;
}

.auth-card.register-card {
    max-width: 500px;
}

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

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
}

.logo i {
    font-size: 32px;
    color: #667eea;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1e293b;
}

.auth-header p {
    color: #64748b;
    font-size: 16px;
}

/* Form Styling */
.auth-form {
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #374151;
    font-size: 14px;
}

.required {
    color: #ef4444;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 16px;
    color: #9ca3af;
    font-size: 16px;
    z-index: 2;
}

.input-group input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f9fafb;
}

.input-group input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-group input::placeholder {
    color: #9ca3af;
}

.toggle-password {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.toggle-password:hover {
    color: #667eea;
    background: #f3f4f6;
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #6b7280;
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

/* Custom Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #374151;
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.2s ease;
}

.checkbox-container input:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-container input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    font-weight: bold;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Links */
.forgot-password,
.terms-link {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.forgot-password:hover,
.terms-link:hover {
    color: #5a67d8;
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(102, 126, 234, 0.4);
}

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

.btn-block {
    width: 100%;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
}

.auth-footer p {
    color: #6b7280;
    font-size: 14px;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.toast.danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.toast.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.toast.info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

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

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .auth-card {
        padding: 24px;
        border-radius: 12px;
    }
    
    .auth-card.register-card {
        max-width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .toast {
        top: 10px;
        right: 10px;
        left: 10px;
        transform: translateY(-100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 20px;
    }
    
    .logo h1 {
        font-size: 24px;
    }
    
    .logo i {
        font-size: 28px;
    }
    
    .input-group input {
        padding: 12px 16px 12px 40px;
        font-size: 15px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 15px;
    }
}

/* Print Styles */
@media print {
    .auth-container {
        display: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .input-group input {
        border-width: 3px;
    }
    
    .btn-primary {
        background: #1a1a1a;
        color: white;
        border: 2px solid white;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}