/* ========================================
   目标考核管理系统 - 登录页面样式 v3
   ======================================== */

/* CSS 变量定义 */
:root {
    --primary-color: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-light: #EFF6FF;
    --primary-glow: rgba(37, 99, 235, 0.4);
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --border-color: #E5E7EB;
    --bg-light: #F9FAFB;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--white);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 登录容器 - 左右布局 */
.login-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* ========================================
   左侧装饰区域 - 简洁蓝色风格
   ======================================== */
.left-section {
    flex: 1.1;
    background: linear-gradient(160deg, #1E40AF 0%, #1E3A8A 40%, #172554 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

/* 背景效果 */
.left-bg-effects {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.glow-1 {
    width: 500px;
    height: 500px;
    background: #60A5FA;
    top: -150px;
    right: -100px;
    opacity: 0.25;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: #3B82F6;
    bottom: -100px;
    left: -100px;
    opacity: 0.2;
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* 左侧内容 */
.left-content {
    position: relative;
    z-index: 2;
    max-width: 480px;
    width: 100%;
    text-align: center;
}

/* 左上角品牌条（相对整片蓝色区域，非居中内容区） */
.left-top-brand {
    position: absolute;
    top: 20px;
    left: 24px;
    z-index: 10;
    display: flex;
    align-items: center;
    max-width: min(92%, 520px);
}

.left-top-brand .top-left-logo {
    height: 48px;
    width: auto;
    display: block;
}

/* 品牌中心 */
.brand-center {
    margin-bottom: 60px;
}

.brand-title {
    font-size: 34px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 4px;
    margin-bottom: 12px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.brand-slogan {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 2px;
}

/* 抽象视觉元素 */
.abstract-visual {
    position: relative;
    height: 200px;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle-orbit {
    position: relative;
    width: 180px;
    height: 180px;
}

.orbit {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.orbit-1 {
    width: 180px;
    height: 180px;
    animation: rotate 20s linear infinite;
}

.orbit-2 {
    width: 130px;
    height: 130px;
    border-style: dashed;
    animation: rotate 15s linear infinite reverse;
}

.orbit-3 {
    width: 80px;
    height: 80px;
    background: rgba(96, 165, 250, 0.1);
    border-width: 2px;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.center-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--white);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.floating-numbers {
    position: absolute;
    width: 100%;
    height: 100%;
}

.num {
    position: absolute;
    font-size: 20px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.num-1 {
    top: 10px;
    right: 20px;
    animation: float 3s ease-in-out infinite;
}

.num-2 {
    bottom: 30px;
    left: 10px;
    animation: float 3s ease-in-out infinite 0.5s;
}

.num-3 {
    top: 50%;
    right: 0;
    animation: float 3s ease-in-out infinite 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* 底部装饰 */
.bottom-decoration {
    text-align: center;
}

.line-accent {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #60A5FA, transparent);
    margin: 0 auto 16px;
    border-radius: 2px;
}

.footer-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 4px;
}

/* ========================================
   右侧登录区域
   ======================================== */
.right-section {
    flex: 0.9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px;
    background: var(--white);
    position: relative;
}

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

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.login-header p {
    font-size: 15px;
    color: var(--text-secondary);
}

/* 登录方式切换 */
.login-tabs {
    display: flex;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 6px;
    margin-bottom: 32px;
    gap: 6px;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-btn svg {
    width: 18px;
    height: 18px;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

/* 登录表单 */
.login-form {
    display: none;
    animation: fadeIn 0.3s ease;
}

.login-form.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
}

.input-wrapper input {
    width: 100%;
    padding: 16px 48px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    color: var(--text-primary);
    background: var(--white);
    transition: var(--transition-fast);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.input-wrapper input:focus ~ .input-icon {
    color: var(--primary-color);
}

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

/* 手机图标样式 */
.phone-icon {
    z-index: 1;
}

/* 密码显示/隐藏按钮 */
.toggle-password {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.toggle-password:hover {
    color: var(--text-secondary);
}

.toggle-password svg {
    width: 20px;
    height: 20px;
}

/* 验证码按钮 */
.captcha-wrapper {
    display: flex;
    align-items: center;
}

.captcha-wrapper input {
    flex: 1;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.captcha-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3B82F6 100%);
    color: var(--white);
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.captcha-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.captcha-btn:hover::before {
    left: 100%;
}

.captcha-btn:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #2563EB 100%);
}

.captcha-btn:disabled {
    background: var(--bg-light);
    color: var(--text-muted);
    cursor: not-allowed;
}

.captcha-btn:disabled::before {
    display: none;
}

.btn-text {
    display: inline;
}

.btn-icon {
    display: flex;
    align-items: center;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

.captcha-btn:hover .btn-icon svg {
    transform: translateX(3px);
}

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.checkbox-wrapper input:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-wrapper input:checked + .checkmark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid var(--white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.forgot-link {
    font-size: 14px;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* 登录按钮 */
.login-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3B82F6 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.6s;
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

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

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .left-section {
        padding: 40px 30px;
    }

    .left-top-brand {
        top: 16px;
        left: 20px;
    }

    .left-top-brand .top-left-logo {
        height: 42px;
    }

    .brand-title {
        font-size: 28px;
    }

    .abstract-visual {
        height: 160px;
    }

    .circle-orbit {
        width: 140px;
        height: 140px;
    }

    .orbit-1 {
        width: 140px;
        height: 140px;
    }

    .orbit-2 {
        width: 100px;
        height: 100px;
    }

    .orbit-3 {
        width: 60px;
        height: 60px;
    }

    .num {
        font-size: 16px;
    }

    .right-section {
        padding: 40px 30px;
    }
}

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

    .left-section {
        flex: none;
        min-height: auto;
        padding: 20px 20px 40px;
        align-items: stretch;
    }

    .left-top-brand {
        position: relative;
        top: auto;
        left: auto;
        max-width: none;
        margin: 0 0 20px 0;
    }

    .left-top-brand .top-left-logo {
        height: 40px;
    }

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

    .brand-center {
        margin-bottom: 40px;
    }

    .brand-title {
        font-size: 22px;
        letter-spacing: 2px;
    }

    .brand-slogan {
        font-size: 14px;
    }

    .abstract-visual {
        display: none;
    }

    .right-section {
        flex: 1;
        padding: 30px 20px;
    }

    .login-header h2 {
        font-size: 24px;
    }

    .login-tabs {
        flex-direction: column;
    }

    .tab-btn {
        padding: 12px;
    }
}

/* ========================================
   动画效果
   ======================================== */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

.login-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.login-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Toast 提示消息 */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--danger-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

.toast-message {
    font-size: 14px;
    color: var(--text-primary);
}

/* ========================================
   拼图验证弹窗 v2 - 全新设计
   ======================================== */
.captcha-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.captcha-modal.show {
    opacity: 1;
    pointer-events: all;
}

.captcha-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 28px 32px 24px;
    width: 390px;
    max-width: 95vw;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25), 0 8px 20px rgba(0, 0, 0, 0.12);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.captcha-modal.show .captcha-box {
    transform: scale(1) translateY(0);
}

.captcha-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.captcha-header span {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.captcha-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s, transform 0.15s;
}

.captcha-close svg {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

.captcha-close:hover {
    background: #e5e7eb;
    transform: rotate(90deg);
}

.captcha-tip {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* ---- 加载状态 ---- */
.puzzle-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 13px;
}

.puzzle-loading.hidden {
    display: none;
}

.loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: captcha-spin 0.8s linear infinite;
}

@keyframes captcha-spin {
    to { transform: rotate(360deg); }
}

/* ---- 拼图容器 ---- */
.puzzle-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08), inset 0 0 0 1px rgba(0,0,0,0.05);
}

.puzzle-container {
    position: relative;
    width: 326px;
    height: 200px;
    overflow: hidden;
    background: #1a1a2e;
    border-radius: var(--radius-lg);
    cursor: default;
    user-select: none;
    -webkit-user-select: none;
}

/* 拼图背景图 */
.puzzle-image-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.puzzle-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

.puzzle-image-wrap img.loading {
    opacity: 0;
}

/* 拼图目标槽位（虚线框） */
.puzzle-target-slot {
    position: absolute;
    border: 2px dashed rgba(255, 255, 255, 0.6);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    pointer-events: none;
    z-index: 5;
    transition: border-color 0.2s;
}

.puzzle-target-slot.highlight {
    border-color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.12);
}

/* 拼图块（带拼图形状的裁切块） */
.puzzle-piece {
    position: absolute;
    border-radius: 4px;
    overflow: hidden;
    cursor: grab;
    z-index: 10;
    will-change: left, top;
    transition: box-shadow 0.15s;
    /* 初始有内阴影和描边 */
}

.puzzle-piece::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 2px 2px 4px rgba(255,255,255,0.3), inset -1px -1px 3px rgba(0,0,0,0.2);
    border-radius: 4px;
    pointer-events: none;
    z-index: 1;
}

.puzzle-piece.dragging {
    cursor: grabbing;
    box-shadow: 0 8px 25px rgba(0,0,0,0.35);
    z-index: 15;
}

.puzzle-piece canvas {
    display: block;
    border-radius: 4px;
}

/* 阴影遮罩层 */
.puzzle-shade-overlay {
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    pointer-events: none;
    z-index: 6;
    opacity: 0;
    transition: opacity 0.3s;
}

.puzzle-shade-overlay.visible {
    opacity: 1;
}

/* ---- 粒子效果 ---- */
.puzzle-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 20;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: particle-burst 0.8s ease-out forwards;
}

@keyframes particle-burst {
    0% { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(var(--dx), var(--dy)) scale(0); opacity: 0; }
}

/* ---- 滑块区域 ---- */
.slider-wrapper {
    margin-bottom: 12px;
}

.slider-tip {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
    padding: 0 4px;
}

.slider-tip svg {
    width: 14px;
    height: 14px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.slider-track {
    position: relative;
    width: 100%;
    height: 46px;
    background: #f0f4ff;
    border: 2px solid var(--border-color);
    border-radius: 23px;
    overflow: hidden;
    margin-bottom: 0;
    transition: border-color 0.2s, background 0.2s;
}

.slider-track.success {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

.slider-track.fail {
    border-color: var(--danger-color);
    background: rgba(239, 68, 68, 0.05);
    animation: track-shake 0.4s ease;
}

@keyframes track-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.slider-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, #3B82F6, #60A5FA);
    border-radius: 23px;
    width: 0%;
    will-change: width;
}

.slider-track.success .slider-fill {
    background: linear-gradient(90deg, #10B981, #34D399);
}

.slider-track.fail .slider-fill {
    background: linear-gradient(90deg, #EF4444, #F87171);
}

.slider-thumb {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 38px;
    height: 38px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.3), 0 1px 4px rgba(0,0,0,0.12);
    cursor: grab;
    z-index: 2;
    will-change: left;
    user-select: none;
    -webkit-user-select: none;
    transition: box-shadow 0.2s;
}

.slider-thumb::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 2px solid rgba(59, 130, 246, 0.3);
    animation: thumb-pulse 2s ease-in-out infinite;
}

@keyframes thumb-pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.08); opacity: 0.3; }
}

.slider-thumb:hover {
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4), 0 2px 6px rgba(0,0,0,0.12);
}

.slider-thumb.dragging {
    cursor: grabbing;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5), 0 2px 8px rgba(0,0,0,0.15);
}

.slider-thumb.dragging::before {
    animation: none;
    border-color: rgba(59, 130, 246, 0.5);
}

.slider-track.success .slider-thumb {
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.4), 0 1px 4px rgba(0,0,0,0.12);
    background: #10B981;
}

.slider-track.success .slider-thumb::before {
    border-color: rgba(16, 185, 129, 0.4);
}

.slider-track.success .slider-thumb svg {
    color: white;
    transform: scale(1.1);
}

.slider-track.fail .slider-thumb {
    box-shadow: 0 2px 10px rgba(239, 68, 68, 0.4), 0 1px 4px rgba(0,0,0,0.12);
}

.slider-thumb svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    transition: color 0.2s, transform 0.2s;
}

/* 状态文字 */
.slider-state-msg {
    text-align: center;
    font-size: 13px;
    height: 20px;
    margin-top: 8px;
    font-weight: 600;
    transition: color 0.2s;
}

.slider-state-msg.ok {
    color: var(--success-color);
}

.slider-state-msg.fail {
    color: var(--danger-color);
}

.slider-state-msg.loading {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* 成功图标替换 */
.slider-track.success .slider-thumb svg {
    stroke-linecap: round;
}

/* ---- 操作按钮 ---- */
.captcha-actions {
    display: flex;
    justify-content: center;
    margin-top: 4px;
}

.captcha-refresh {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 22px;
    background: none;
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.captcha-refresh svg {
    width: 15px;
    height: 15px;
    transition: transform 0.4s ease;
}

.captcha-refresh:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.04);
}

.captcha-refresh:hover svg {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.captcha-refresh:active {
    transform: scale(0.97);
}