/* Notification System */
    .notification {
        position: fixed;
        top: 20px;
        right: 20px;
        padding: 15px 20px;
        border-radius: 6px;
        color: white;
        font-weight: 500;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        z-index: 3000;
        transform: translateX(400px);
        opacity: 0;
        transition: all 0.3s ease;
        max-width: 350px;
        word-wrap: break-word;
    }

    .notification.show {
        transform: translateX(0);
        opacity: 1;
    }

    .notification.success {
        background-color: #4CAF50;
    }

    .notification.error {
        background-color: #f44336;
    }

    .notification.warning {
        background-color: #ff9800;
    }

    .notification .close-btn {
        background: none;
        border: none;
        color: white;
        font-size: 18px;
        font-weight: bold;
        cursor: pointer;
        float: right;
        margin-left: 10px;
        padding: 0;
        line-height: 1;
    }

    /* Loading Overlay */
    .loading-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 2500;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .loading-overlay.show {
        opacity: 1;
        visibility: visible;
    }

    .loading-spinner {
        width: 50px;
        height: 50px;
        border: 4px solid #f3f3f3;
        border-top: 4px solid #1e1e3f;
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }

    @keyframes spin {
        0% {
            transform: rotate(0deg);
        }

        100% {
            transform: rotate(360deg);
        }
    }

    .loading-text {
        color: white;
        margin-top: 15px;
        font-size: 16px;
        text-align: center;
    }

    /* Rate Limiting Warning */
    .rate-limit-warning {
        background-color: #ff5722;
        color: white;
        padding: 10px;
        border-radius: 4px;
        margin-bottom: 15px;
        font-size: 14px;
        display: none;
    }

    /* Confirm Modal */
    .confirm-modal {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 2000;
    }

    .confirm-modal__backdrop {
        position: absolute;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
    }

    .confirm-modal__dialog {
        position: relative;
        background: #fff;
        padding: 1.5rem;
        border-radius: 6px;
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
        max-width: 320px;
        width: 90%;
        text-align: center;
        transform: scale(0.8);
        transition: transform 0.3s ease;
        z-index: 2;
    }

    .confirm-modal__message {
        margin-bottom: 1.25rem;
        font-size: 1rem;
        color: #333;
    }

    .confirm-modal__buttons {
        display: flex;
        justify-content: center;
    }

    .btn {
        padding: 0.5rem 1rem;
        border: none;
        border-radius: 4px;
        font-weight: 500;
        cursor: pointer;
        font-size: 0.9rem;
    }

    .btn--ok {
        background-color: #4CAF50;
        color: #fff;
    }

    .confirm-modal.show {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
    }

    .confirm-modal.show .confirm-modal__dialog {
        transform: scale(1);
    }

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

    body {
        height: 100vh;
        display: flex;
        overflow: hidden;
    }

    .container {
        display: flex;
        width: 100%;
        height: 100%;
    }

    .logo-section {
        flex: 1;
        background-color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 20px;
    }

    .logo {
        max-width: 394px;
        height: auto;
    }

    .login-section {
        flex: 1;
        background-color: #1e1e3f;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 40px;
        color: white;
    }

    .login-form {
        width: 100%;
        max-width: 400px;
    }

    .login-header {
        font-size: 24px;
        margin-bottom: 30px;
    }

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

    .form-group label {
        display: block;
        margin-bottom: 5px;
        font-size: 14px;
    }

    .form-group input[type="email"],
    .form-group input[type="password"] {
        width: 100%;
        padding: 10px;
        border: none;
        border-radius: 4px;
        background-color: white;
        transition: border 0.3s ease;
    }

    .form-group input.invalid {
        border: 2px solid #f44336;
    }

    .form-group input.valid {
        border: 2px solid #4CAF50;
    }

    .input-error {
        color: #f44336;
        font-size: 12px;
        margin-top: 5px;
        display: none;
    }

    .checkbox-group {
        display: flex;
        align-items: center;
        margin-bottom: 20px;
    }

    .checkbox-group input {
        margin-right: 8px;
    }

    .btn-sign-in {
        width: 100%;
        padding: 10px;
        background-color: #1e1e3f;
        color: white;
        border: 1px solid white;
        border-radius: 4px;
        cursor: pointer;
        transition: all 0.3s;
        position: relative;
        overflow: hidden;
    }

    .btn-sign-in:hover:not(:disabled) {
        background-color: #ededed;
        color: #1e1e3f;
    }

    .btn-sign-in:disabled {
        background-color: #666;
        cursor: not-allowed;
        opacity: 0.7;
    }

    .btn-sign-in .loading-dots {
        display: none;
    }

    .btn-sign-in.loading .loading-dots {
        display: inline-block;
        margin-left: 5px;
    }

    .loading-dots::after {
        content: '';
        animation: dots 1.5s infinite;
    }

    @keyframes dots {

        0%,
        20% {
            content: '';
        }

        40% {
            content: '.';
        }

        60% {
            content: '..';
        }

        80%,
        100% {
            content: '...';
        }
    }

    .forgot-password {
        margin-top: 20px;
    }

    .forgot-password a {
        color: white;
        text-decoration: none;
        font-size: 14px;
    }

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

    @media (max-width: 768px) {
        .container {
            flex-direction: column;
        }

        .logo-section {
            flex: 0 0 150px;
        }

        .logo {
            max-width: 150px;
        }

        .login-section {
            flex: 1;
        }

        .notification {
            right: 10px;
            left: 10px;
            max-width: none;
            transform: translateY(-100px);
        }

        .notification.show {
            transform: translateY(0);
        }
    }