.login-dialog {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    overflow: auto;
    display: none;
}

.login-dialog.visible {
    display: flex;
    align-items: center;
    justify-content: center;
}

body.login-modal-open {
    overflow: hidden;
}

.login-dialog-mask {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

@supports not ((-webkit-backdrop-filter: blur(5px)) or (backdrop-filter: blur(5px))) {
    .login-dialog-mask {
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }
}

.login-dialog.visible .login-dialog-mask {
    opacity: 1;
}

.login-dialog-content-wrap {
    min-height: 100%;
    padding: 40px 20px;
    display: flex;
    position: relative;
    align-items: center;
    justify-content: center;
}

.login-dialog-content {
    width: 800px;
    max-width: 95vw;
    background-color: var(--gt-card-bg, #fff);
    border-radius: var(--gt-main-radius, 12px);
    position: relative;
    opacity: 0;
    transform: scale(0.9);
    transition: transform 0.5s cubic-bezier(0.32, 0.85, 0.45, 1.18), opacity 0.3s ease-out;
    display: flex;
    overflow: hidden;
    box-shadow: var(--gt-box-shadow, 0 10px 40px rgba(0, 0, 0, 0.2));
}

.login-dialog.visible .login-dialog-content {
    opacity: 1;
    transform: scale(1);
}

.login-dialog-close {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 24px;
    color: var(--gt-text-muted, #999);
    cursor: pointer;
    z-index: 10;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
    background: none;
    border: none;
    padding: 0;
}

.login-dialog-close:hover {
    color: var(--gt-font-color, #333);
}

.login-dialog-side-image {
    width: 420px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-dialog-side-image-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.login-dialog-main {
    flex: 1;
    min-width: 0;
    min-height: 380px;
    padding: 40px 50px;
    display: flex;
    flex-direction: column;
}

.login-dialog-main.has-image {
    width: 380px;
}

.login-tab-content {
    position: relative;
    flex: 1;
}

.login-tab-pane {
    position: relative;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px);
    transition: all 0.5s ease-out;
    display: none;
}

.login-tab-pane.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    display: block;
    animation: fadeInRight 0.5s ease-out;
}

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

.login-tab-header {
    margin-bottom: 30px;
}

.login-tab-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.login-tab-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--gt-font-color, #1a1a1a);
    margin: 0;
}

.login-tab-switch {
    font-size: 13px;
    color: var(--gt-main-color, #1e80ff);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: opacity 0.2s;
}

.login-tab-switch-sub {
    font-size: 14px;
}

.login-tab-switch:hover,
.form-link:hover,
.login-dialog-link:hover {
    opacity: 0.8;
}

.login-dialog-input-group {
    position: relative;
    margin-bottom: 20px;
}

.login-dialog-input-group input:is([type="text"], [type="password"], [type="email"]) {
    display: block;
    width: 100%;
    height: 44px;
    padding: 0 14px;
    color: var(--gt-font-color, #333);
    background-color: var(--gt-bg-fa, #f7f8fa);
    border: 2px solid transparent;
    border-radius: var(--gt-main-radius, 8px);
    outline: none;
    font-size: 14px;
    box-sizing: border-box;
    transition: all 0.2s;
}

.login-dialog-input-group input:is([type="text"], [type="password"], [type="email"])::placeholder {
    color: var(--gt-text-muted, #aaa);
}

.login-dialog-input-group input:is([type="text"], [type="password"], [type="email"]):focus {
    background-color: var(--gt-card-bg, #fff);
    border-color: var(--gt-main-color, #1e80ff);
    box-shadow: 0 0 0 4px var(--gt-main-color-10, rgba(30, 128, 255, 0.1));
}

.login-dialog-input-group.remember {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.remember-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.login-dialog-input-group input[type="checkbox"] {
    position: absolute;
    width: 0;
    height: 0;
    margin: 0;
    outline: none;
    z-index: -1;
    opacity: 0;
}

.login-dialog-input-checkbox {
    flex-shrink: 0;
    margin-right: 8px;
    width: 18px;
    height: 18px;
    border: 2px solid var(--gt-border-light, #d9d9d9);
    border-radius: calc(var(--gt-main-radius, 8px) / 2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.login-dialog-input-checkbox-icon {
    display: block;
    font-size: 12px;
    color: #fff;
    transform: scale(0);
    transition: transform 0.2s;
}

.login-dialog-input-group input[type="checkbox"]:checked + .login-dialog-input-checkbox {
    border-color: var(--gt-main-color, #1e80ff);
    background-color: var(--gt-main-color, #1e80ff);
}

.login-dialog-input-group input[type="checkbox"]:checked + .login-dialog-input-checkbox .login-dialog-input-checkbox-icon {
    transform: scale(1);
}

.login-dialog-input-checkbox-text {
    font-size: 14px;
    color: var(--gt-text-secondary, #666);
}

.login-dialog-form-btn {
    display: flex;
    width: 100%;
    height: 44px;
    background: var(--gt-main-color, #1e80ff);
    border: none;
    border-radius: var(--gt-main-radius, 8px);
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
    align-items: center;
    justify-content: center;
}

.login-dialog-form-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--gt-main-color-28, rgba(30, 128, 255, 0.3));
}

.login-dialog-form-btn:active {
    transform: translateY(0);
}

.login-dialog-form-btn:disabled {
    background: var(--gt-main-color-56, rgba(30, 128, 255, 0.5));
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-loading i {
    animation: spin 1s linear infinite;
    margin-right: 6px;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-tab-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--gt-border-color, #f0f0f0);
    font-size: 13px;
    color: var(--gt-text-muted, #999);
    text-align: center;
}

.login-dialog-link {
    text-decoration: none;
    color: var(--gt-main-color, #1e80ff);
    margin: 0 2px;
}

.login-dialog-link:hover {
    text-decoration: underline;
}

.form-link {
    color: var(--gt-main-color, #1e80ff);
    text-decoration: none;
    font-size: 14px;
}

.pull-right {
    margin-left: auto;
}

.verify-group {
    position: relative;
}

.verify-input-wrap {
    position: relative;
    width: 100%;
}

.verify-input-wrap input {
    width: 100%;
    padding-right: 90px;
}

.send-code-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    height: 36px;
    padding: 0 12px;
    background: transparent;
    border: none;
    color: var(--gt-main-color, #1e80ff);
    font-size: 14px;
    cursor: pointer;
    transition: opacity 0.2s;
    white-space: nowrap;
    line-height: 36px;
}

.send-code-btn:hover {
    opacity: 0.8;
}

.send-code-btn:disabled {
    color: var(--gt-text-muted, #999);
    cursor: not-allowed;
    opacity: 0.6;
}

.reset-step {
    animation: fadeInRight 0.3s ease-out;
}

[data-theme="dark"] .login-dialog-content {
    background-color: var(--gt-card-bg, #1f1f1f);
    box-shadow: var(--gt-box-shadow, 0 10px 40px rgba(0, 0, 0, 0.5));
}

[data-theme="dark"] .login-dialog-close {
    color: var(--gt-text-muted, #999);
}

[data-theme="dark"] .login-dialog-close:hover {
    color: var(--gt-font-color, #fff);
}

[data-theme="dark"] .login-tab-title {
    color: var(--gt-font-color, #e0e0e0);
}

[data-theme="dark"] .login-dialog-input-group input:is([type="text"], [type="password"], [type="email"]) {
    color: var(--gt-font-color, #e0e0e0);
    background-color: var(--gt-bg-f5, #2a2a2a);
    border-color: transparent;
}

[data-theme="dark"] .login-dialog-input-group input:is([type="text"], [type="password"], [type="email"]):focus {
    background-color: var(--gt-bg-fa, #333);
    border-color: var(--gt-main-color, #1e80ff);
}

[data-theme="dark"] .login-dialog-input-group input:is([type="text"], [type="password"], [type="email"])::placeholder {
    color: var(--gt-text-muted, #777);
}

[data-theme="dark"] .login-dialog-input-checkbox {
    border-color: var(--gt-border-light, #555);
}

[data-theme="dark"] .login-dialog-input-checkbox-text {
    color: var(--gt-text-secondary, #aaa);
}

[data-theme="dark"] .login-tab-footer {
    border-color: var(--gt-border-color, #333);
    color: var(--gt-text-muted, #777);
}

[data-theme="dark"] .login-tab-switch,
[data-theme="dark"] .form-link,
[data-theme="dark"] .login-dialog-link {
    color: var(--gt-main-color, #4a9eff);
}

@media screen and (max-width: 840px) {
    .login-dialog-side-image {
        display: none;
    }

    .login-dialog-main {
        padding: 30px;
    }

    .login-dialog-main.has-image {
        width: 100%;
        max-width: 400px;
    }
}

@media screen and (max-width: 480px) {
    .login-dialog-content-wrap {
        padding: 20px 10px;
    }

    .login-dialog-content {
        border-radius: calc(var(--gt-main-radius, 8px) / 1.5);
    }

    .login-dialog-close {
        top: 12px;
        right: 12px;
        font-size: 22px;
        width: 32px;
        height: 32px;
    }

    .login-dialog-main {
        padding: 24px 20px;
    }

    .login-tab-title {
        font-size: 20px;
    }

    .login-tab-header {
        margin-bottom: 24px;
    }

    .login-tab-switch-sub {
        font-size: 13px;
    }

    .login-dialog-input-group {
        margin-bottom: 16px;
    }

    .login-dialog-input-group input:is([type="text"], [type="password"], [type="email"]) {
        height: 40px;
        font-size: 14px;
    }

    .login-dialog-form-btn {
        height: 40px;
        font-size: 15px;
    }

    .verify-input-wrap input {
        padding-right: 80px;
    }

    .send-code-btn {
        height: 32px;
        line-height: 32px;
        padding: 0 10px;
        font-size: 14px;
    }
}