.login-container {
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 24px;
        background: var(--bg);
    }

    .login-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 48px;
        width: 100%;
        max-width: 420px;
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    }

    .login-header {
        text-align: center;
        margin-bottom: 32px;
    }

    .login-header .logo {
        font-size: 28px;
        font-weight: 800;
        letter-spacing: -0.5px;
        color: var(--primary);
        margin-bottom: 8px;
    }

    .login-header .title {
        font-size: 18px;
        font-weight: 600;
        color: var(--text);
    }

    .login-header .subtitle {
        font-size: 14px;
        color: var(--text-muted);
        margin-top: 4px;
    }

    .login-form {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .login-form .form-group {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .login-form label {
        font-size: 13px;
        font-weight: 500;
        color: var(--text);
        letter-spacing: 0.3px;
        text-transform: uppercase;
    }

    .login-form input {
        padding: 12px 16px;
        border: 1px solid var(--border);
        border-radius: 8px;
        font-size: 14px;
        background: var(--bg);
        color: var(--text);
        transition: border-color 0.15s ease, box-shadow 0.15s ease;
    }

    .login-form input:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(45, 63, 84, 0.15);
    }

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

    .login-form .submit-btn {
        padding: 14px 24px;
        background: var(--primary);
        color: white;
        border: none;
        border-radius: 8px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: background-color 0.15s ease, transform 0.1s ease;
    }

    .login-form .submit-btn:hover {
        background: var(--primary-dark);
    }

    .login-form .submit-btn:active {
        transform: scale(0.98);
    }

    .error-message {
        background: rgba(242, 79, 79, 0.1);
        border: 1px solid rgba(242, 79, 79, 0.3);
        color: rgba(242, 79, 79, 0.95);
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .success-message {
        background: rgba(115, 204, 128, 0.12);
        border: 1px solid rgba(115, 204, 128, 0.35);
        color: #73CC80;
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .error-message .icon {
        font-size: 18px;
    }

    .login-footer {
        text-align: center;
        margin-top: 24px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
    }

    .login-footer .forgot-password {
        color: var(--text-muted);
        font-size: 13px;
        text-decoration: none;
        transition: color 0.15s ease;
    }

    .login-footer .forgot-password:hover {
        color: var(--primary);
    }

    .error-empty {
        color: #FF8F5C;
    }

    .error-invalid {
        color: #F24F4F;
    }