/* static/css/shared/auth.css */
/* Authentication pages (login, register) styles */

/* Auth Page Layout */
.auth-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-lg);
}

.auth-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Login Container */
.login-container,
.auth-container {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-xl);
    position: relative;
    z-index: 1;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Login Header */
.login-header,
.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: white;
    box-shadow: var(--shadow-md);
}

.login-header h1,
.auth-header h1 {
    font-size: var(--font-3xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.login-header p,
.auth-header p {
    color: var(--text-secondary);
    font-size: var(--font-base);
}

/* Vendor Info Display */
.vendor-info {
    background: var(--gray-50);
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

.vendor-info strong {
    color: var(--primary-color);
    font-size: var(--font-lg);
    font-weight: 600;
}

/* No Vendor Message */
.no-vendor-message {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.no-vendor-message h2 {
    font-size: var(--font-2xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.no-vendor-message p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-muted);
}

/* Auth Form */
.auth-form,
.login-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-base);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-md);
    transition: all var(--transition-base);
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input.error {
    border-color: var(--danger-color);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

/* Password Toggle */
.password-group {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: var(--spacing-sm);
    font-size: var(--font-lg);
}

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

/* Remember Me & Forgot Password */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-sm);
}

.remember-me {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.remember-me input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Submit Button */
.btn-login,
.btn-auth {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-login:hover:not(:disabled),
.btn-auth:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-login:active:not(:disabled),
.btn-auth:active:not(:disabled) {
    transform: translateY(0);
}

.btn-login:disabled,
.btn-auth:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Social Login Buttons */
.social-login {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.social-login-text {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-sm);
    margin-bottom: var(--spacing-md);
}

.social-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.btn-social {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-base);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-social:hover {
    border-color: var(--primary-color);
    background: var(--gray-50);
}

/* Login Footer */
.login-footer,
.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.login-footer a,
.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-base);
    font-weight: 500;
}

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

.auth-footer-text {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

/* Back Button */
.btn-back {
    display: inline-block;
    padding: 10px 20px;
    background: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-base);
}

.btn-back:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

/* Error and Success Messages */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-base);
    display: none;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert.show {
    display: block;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Field Errors */
.error-message {
    color: var(--danger-color);
    font-size: var(--font-sm);
    margin-top: var(--spacing-xs);
    display: none;
    animation: fadeIn 0.2s ease;
}

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

.error-message.show {
    display: block;
}

/* Loading State */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spinner 0.6s linear infinite;
    margin-right: var(--spacing-sm);
    vertical-align: middle;
}

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

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--spacing-lg) 0;
}

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

.divider span {
    padding: 0 var(--spacing-md);
    color: var(--text-muted);
    font-size: var(--font-sm);
}

/* Credentials Display (for vendor creation success) */
.credentials-card {
    background: #fff3cd;
    border: 2px solid var(--warning-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.credentials-card h3 {
    margin-bottom: var(--spacing-md);
    color: #856404;
    font-size: var(--font-xl);
}

.credential-item {
    background: white;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.credential-item label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-base);
}

.credential-item .value {
    font-family: 'Courier New', monospace;
    background: var(--gray-50);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-base);
    word-break: break-all;
}

.warning-text {
    color: #856404;
    font-size: var(--font-sm);
    margin-top: var(--spacing-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.warning-text::before {
    content: '⚠️';
    font-size: var(--font-lg);
}

/* Copy Button */
.btn-copy {
    background: none;
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: var(--font-xs);
    transition: all var(--transition-base);
}

.btn-copy:hover {
    background: var(--gray-50);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container,
    .auth-container {
        padding: var(--spacing-lg);
        max-width: 100%;
    }

    .auth-logo {
        width: 60px;
        height: 60px;
        font-size: 32px;
    }

    .login-header h1,
    .auth-header h1 {
        font-size: var(--font-2xl);
    }

    .btn-login,
    .btn-auth {
        padding: 12px 20px;
        font-size: var(--font-base);
    }

    .social-buttons {
        flex-direction: column;
    }

    .credential-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .credential-item .value {
        width: 100%;
        text-align: left;
    }
}

/* Dark Mode Support (optional) */
@media (prefers-color-scheme: dark) {
    .auth-page {
        background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    }

    .login-container,
    .auth-container {
        background: #2d3748;
        color: #e2e8f0;
    }

    .login-header h1,
    .auth-header h1,
    .form-group label {
        color: #e2e8f0;
    }

    .login-header p,
    .auth-header p {
        color: #a0aec0;
    }

    .form-group input {
        background: #1a202c;
        border-color: #4a5568;
        color: #e2e8f0;
    }

    .form-group input::placeholder {
        color: #718096;
    }

    .vendor-info {
        background: #1a202c;
        border-color: #4a5568;
    }

    .credential-item {
        background: #1a202c;
        border-color: #4a5568;
    }

    .credential-item .value {
        background: #2d3748;
    }
}

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

    .login-container,
    .auth-container {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }

    .btn-login,
    .btn-auth,
    .social-login,
    .login-footer,
    .auth-footer {
        display: none;
    }
}