.auth-container {
        min-height: 80vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 40px 20px;
    }
    
    .auth-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 24px;
        padding: 48px 40px;
        max-width: 440px;
        width: 100%;
        transition: all 0.4s ease;
        box-shadow: 0 20px 60px var(--shadow-color);
    }
    
    .auth-card:hover {
        border-color: var(--border-hover);
        box-shadow: 0 30px 80px var(--shadow-color);
    }
    
    .auth-logo {
        text-align: center;
        margin-bottom: 32px;
    }
    
    .auth-logo svg {
        width: 56px;
        height: 56px;
        margin-bottom: 12px;
    }
    
    .auth-logo h2 {
        font-size: 24px;
        font-weight: 700;
    }
    
    .auth-logo p {
        color: var(--text-secondary);
        font-size: 14px;
        margin-top: 4px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group label {
        display: block;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 6px;
        color: var(--text-primary);
    }
    
    .form-group .input-wrapper {
        position: relative;
    }
    
    .form-group .input-wrapper svg {
        position: absolute;
        right: 14px;
        top: 50%;
        transform: translateY(-50%);
        width: 18px;
        height: 18px;
        color: var(--text-muted);
        pointer-events: none;
    }
    
    .form-control {
        width: 100%;
        padding: 12px 44px 12px 16px;
        background: var(--input-bg);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        color: var(--text-primary);
        font-size: 14px;
        transition: all 0.3s ease;
        font-family: 'Vazirmatn', sans-serif;
    }
    
    .form-control:focus {
        border-color: #00d4ff;
        outline: none;
        box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
    }
    
    .form-control::placeholder {
        color: var(--text-muted);
        font-size: 13px;
    }
    
    .btn-submit {
        width: 100%;
        padding: 14px;
        border-radius: 12px;
        font-size: 15px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    
    .auth-footer {
        text-align: center;
        margin-top: 24px;
        padding-top: 20px;
        border-top: 1px solid var(--border-color);
    }
    
    .auth-footer p {
        color: var(--text-secondary);
        font-size: 14px;
    }
    
    .auth-footer a {
        color: #00d4ff;
        text-decoration: none;
        font-weight: 600;
        transition: color 0.3s ease;
    }
    
    .auth-footer a:hover {
        color: #0099cc;
        text-decoration: underline;
    }
    
    .messages-container {
        margin-bottom: 20px;
    }
    
    .message {
        padding: 12px 16px;
        border-radius: 12px;
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .message.error {
        background: rgba(255, 107, 107, 0.1);
        border: 1px solid rgba(255, 107, 107, 0.2);
        color: #ff6b6b;
    }
    
    .message.success {
        background: rgba(52, 211, 153, 0.1);
        border: 1px solid rgba(52, 211, 153, 0.2);
        color: #34d399;
    }
    
    .message.info {
        background: rgba(0, 212, 255, 0.1);
        border: 1px solid rgba(0, 212, 255, 0.2);
        color: #00d4ff;
    }
    
    .message svg {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
    }
    
    .back-to-login {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--text-secondary);
        font-size: 14px;
        text-decoration: none;
        transition: color 0.3s ease;
        margin-top: 8px;
    }
    
    .back-to-login:hover {
        color: #00d4ff;
    }
    
    [data-theme="light"] .auth-card {
        background: #ffffff;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
    }
    
    [data-theme="light"] .auth-card:hover {
        box-shadow: 0 30px 80px rgba(0, 0, 0, 0.08);
    }
    
    [data-theme="light"] .form-control {
        background: #f8fafc;
        border-color: #e2e8f0;
    }
    
    [data-theme="light"] .form-control:focus {
        border-color: #00d4ff;
        box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.08);
    }
    
    @media (max-width: 480px) {
        .auth-card {
            padding: 32px 20px;
        }
    }