/* Login Page Styles */
/* 纯色背景 - 隐藏所有装饰元素 */
.cosmic-background {
    background: #1a1a1a !important;
    background-image: none !important;
}

.cosmic-background .grid-lines,
.cosmic-background .aurora,
.cosmic-background .particle-field {
    display: none !important;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 28px;
    position: relative;
    z-index: 1;
}

.login-container .logo-mark {
    position: absolute;
    top: 20px;
    left: 28px;
    z-index: 10;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    position: relative;
}

.login-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 60px;
    padding: 24px 0;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.login-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.login-nav .nav-link {
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text-secondary);
    transition: background 0.3s ease, color 0.3s ease;
    text-decoration: none;
}

.login-nav .nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.login-content {
    position: relative;
}

.login-card {
    background: transparent;
    border: none;
    padding: 0;
    animation: loginCardEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes loginCardEnter {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-card-header {
    text-align: left;
    margin-bottom: 40px;
}

.login-card-header h1 {
    font-size: 32px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text-primary);
    line-height: 1.2;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
    margin: 0;
    line-height: 1.5;
}

/* Social Login Buttons */
.social-login-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.social-btn {
    width: 100%;
    padding: 14px 18px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-sizing: border-box;
}

.social-btn:hover {
    background: rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.social-btn:active {
    transform: translateY(0);
}

.social-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.social-btn-google .social-icon {
    width: 18px;
    height: 18px;
}

.social-btn-github .social-icon {
    width: 18px;
    height: 18px;
}

.social-btn-apple .social-icon {
    width: 18px;
    height: 18px;
}

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

.login-form .form-group-modern {
    display: flex;
    flex-direction: column;
    margin-bottom: 8px;
    margin-top: 4px;
}

.login-form .form-group-modern:not(:last-of-type) {
    margin-bottom: 0px !important;
}

.login-form .form-group-modern + .form-group-modern {
    margin-top: 10px !important;
}

.form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.form-input-wrapper {
    position: relative;
}

.form-input-modern {
    width: 100%;
    padding: 14px 18px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.form-input-modern::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-input-modern:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.2);
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

.checkbox-modern {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-modern input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: rgba(159, 123, 255, 0.8);
}

.checkbox-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.btn-forgot {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.btn-forgot:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 8px;
}

.btn-continue {
    width: 100%;
    padding: 14px 18px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 15px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.btn-continue:hover {
    background: rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.btn-continue:active {
    transform: translateY(0);
}

.login-signup-link {
    text-align: center;
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.login-signup-link a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.login-signup-link a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.login-footer {
    margin-top: 32px;
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.login-footer a {
    color: var(--text-secondary);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.login-footer a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.help-block {
    font-size: 14px;
    color: rgba(239, 68, 68, 0.95);
    margin-top: 6px;
    min-height: 18px;
    line-height: 1.5;
}

/* 登录表单错误消息样式 - 仅显示红色文字 */
.login-form .help-block .msg-wrap,
.login-form .help-block .msg-wrap.n-error,
.form-group-modern .help-block .msg-wrap,
.form-group-modern .help-block .msg-wrap.n-error {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    display: block !important;
    flex: none !important;
    align-items: unset !important;
    min-height: auto !important;
    position: static !important;
}

.login-form .help-block .msg-wrap::before,
.login-form .help-block .msg-wrap.n-error::before,
.form-group-modern .help-block .msg-wrap::before,
.form-group-modern .help-block .msg-wrap.n-error::before {
    display: none !important;
    content: none !important;
}

.login-form .help-block .msg-wrap .n-error,
.form-group-modern .help-block .msg-wrap .n-error {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: auto !important;
    display: block !important;
    flex: none !important;
    align-items: unset !important;
    position: static !important;
}

.login-form .help-block .msg-wrap .n-error::before,
.form-group-modern .help-block .msg-wrap .n-error::before {
    display: none !important;
    content: none !important;
}

.login-form .help-block .msg-wrap .n-error .n-icon,
.form-group-modern .help-block .msg-wrap .n-error .n-icon {
    display: none !important;
}

.login-form .help-block .msg-wrap .n-error .n-msg,
.login-form .help-block .msg-wrap.n-error .n-msg,
.form-group-modern .help-block .msg-wrap .n-error .n-msg,
.form-group-modern .help-block .msg-wrap.n-error .n-msg {
    color: rgba(239, 68, 68, 0.95) !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    line-height: 1.5 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    flex: none !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

/* 全局覆盖验证器样式 - 确保登录页面错误消息仅显示文字 */
.login-container .msg-wrap,
.login-container .msg-wrap.n-error,
.login-container .n-error {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: auto !important;
    display: block !important;
    flex: none !important;
    align-items: unset !important;
}

.login-container .msg-wrap::before,
.login-container .msg-wrap.n-error::before,
.login-container .n-error::before {
    display: none !important;
    content: none !important;
}

.login-container .msg-wrap .n-error,
.login-container .n-error .n-error {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: auto !important;
    display: block !important;
    flex: none !important;
    align-items: unset !important;
}

.login-container .msg-wrap .n-error::before,
.login-container .n-error .n-error::before {
    display: none !important;
    content: none !important;
}

.login-container .msg-wrap .n-error .n-icon,
.login-container .n-error .n-icon {
    display: none !important;
}

.login-container .msg-wrap .n-error .n-msg,
.login-container .msg-wrap.n-error .n-msg,
.login-container .n-error .n-msg {
    color: rgba(239, 68, 68, 0.95) !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    line-height: 1.5 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    flex: none !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

/* Toast Error Message Styles */
#toast-container {
    z-index: 9999;
}

/* 禁用所有 toast 相关的背景图片 */
#toast-container > .toast,
#toast-container > .toast *,
#toast-container > div,
#toast-container > div * {
    background-image: none !important;
}

#toast-container.toast-top-center {
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
}

#toast-container > .toast {
    min-width: 320px;
    max-width: 420px;
    padding: 0;
    margin: 0 0 12px 0;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
    background: rgba(26, 26, 26, 0.95) !important;
    background-image: none !important;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    animation: toastSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

#toast-container > .toast.toast-error {
    background: rgba(26, 26, 26, 0.98) !important;
    background-image: none !important;
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 8px 32px rgba(239, 68, 68, 0.25), 0 0 0 1px rgba(239, 68, 68, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

#toast-container > .toast.toast-error::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

#toast-container > .toast .toast-close-button {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 24px;
    height: 24px;
    padding: 0;
    margin: 0;
    font-size: 18px;
    font-weight: 300;
    line-height: 1;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    opacity: 0.7;
}

#toast-container > .toast .toast-close-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    opacity: 1;
    transform: rotate(90deg);
}

#toast-container > .toast .toast-close-button:active {
    transform: rotate(90deg) scale(0.95);
}

#toast-container > .toast .toast-message {
    padding: 18px 48px 18px 56px;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    word-wrap: break-word;
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
    background: transparent !important;
    background-image: none !important;
}

#toast-container > .toast.toast-error .toast-message {
    color: rgba(255, 255, 255, 0.98);
}

#toast-container > .toast .toast-message::before {
    content: '✕';
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    min-width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
    border-radius: 50%;
    flex-shrink: 0;
    line-height: 1;
}

#toast-container > .toast.toast-success .toast-message::before {
    content: '✓';
    color: #10b981;
    background: rgba(16, 185, 129, 0.15);
    font-size: 14px;
}

#toast-container > .toast.toast-info .toast-message::before {
    content: 'ℹ';
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.15);
    font-size: 14px;
}

#toast-container > .toast.toast-warning .toast-message::before {
    content: '⚠';
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.15);
    font-size: 14px;
}

#toast-container > .toast:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

#toast-container > .toast.toast-error:hover {
    box-shadow: 0 12px 40px rgba(239, 68, 68, 0.3), 0 0 0 1px rgba(239, 68, 68, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

/* Responsive Toast Styles */
@media (max-width: 768px) {
    #toast-container.toast-top-center {
        top: 16px;
        left: 16px;
        right: 16px;
        transform: none;
        width: auto;
    }

    #toast-container > .toast {
        min-width: auto;
        max-width: 100%;
        width: 100%;
    }
}

/* Responsive Login Styles */
@media (max-width: 768px) {
    .login-container {
        padding: 24px 20px;
    }

    .login-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        margin-bottom: 32px;
    }

    .login-nav {
        width: 100%;
        justify-content: flex-end;
    }

    .login-card {
        padding: 32px 24px;
        border-radius: 24px;
    }

    .login-card-header h1 {
        font-size: 28px;
    }

    .form-input-modern {
        padding: 12px 16px;
        font-size: 14px;
    }

    .btn-continue {
        padding: 14px 18px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 28px 20px;
    }

    .login-card-header h1 {
        font-size: 24px;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}