/**
 * 半糖书屋 - 手机号绑定弹窗「羊皮纸信笺」设计
 * 首次微信登录后绑定手机号的优雅界面
 */

/* ========================================
   弹窗遮罩层
   ======================================== */
.phone-binding-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(90, 74, 58, 0.75) 0%, rgba(42, 31, 26, 0.9) 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 装饰性浮动元素 */
.phone-binding-overlay::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 15%;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatGlow 8s ease-in-out infinite;
}

.phone-binding-overlay::after {
    content: '';
    position: absolute;
    bottom: 15%;
    right: 10%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(196, 139, 74, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatGlow 10s ease-in-out infinite reverse;
}

@keyframes floatGlow {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translate(20px, -20px) scale(1.1);
        opacity: 1;
    }
}

/* ========================================
   弹窗主体 - 羊皮纸信笺风格
   ======================================== */
.phone-binding-modal {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: linear-gradient(170deg, #fffcf8 0%, #faf6f0 40%, #f5f0e8 100%);
    border-radius: var(--radius-lg, 16px);
    box-shadow:
        0 25px 80px rgba(42, 31, 26, 0.35),
        0 10px 30px rgba(42, 31, 26, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        inset 0 -1px 0 rgba(196, 139, 74, 0.1);
    overflow: visible;
    transform: scale(0.9) translateY(30px);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.phone-binding-overlay.show .phone-binding-modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* 顶部装饰带 - 蜡封风格 */
.phone-binding-modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg,
        #8b5a2b 0%,
        #a0522d 20%,
        #c48b4a 40%,
        #d4a24c 50%,
        #c48b4a 60%,
        #a0522d 80%,
        #8b5a2b 100%
    );
}

/* 羊皮纸纹理 */
.phone-binding-modal::after {
    content: '';
    position: absolute;
    inset: 6px 0 0 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.5;
}

/* ========================================
   蜡封装饰
   ======================================== */
.wax-seal {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 56px;
    background: linear-gradient(145deg, #c48b4a 0%, #a0522d 50%, #8b5a2b 100%);
    border-radius: 50%;
    box-shadow:
        0 4px 15px rgba(139, 90, 43, 0.4),
        inset 0 2px 4px rgba(255, 255, 255, 0.2),
        inset 0 -2px 4px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    animation: sealPulse 3s ease-in-out infinite;
}

.wax-seal i {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 蜡封边缘不规则效果 */
.wax-seal::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: inherit;
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0.5;
    z-index: -1;
}

@keyframes sealPulse {
    0%, 100% {
        transform: translateX(-50%) scale(1);
        box-shadow:
            0 4px 15px rgba(139, 90, 43, 0.4),
            inset 0 2px 4px rgba(255, 255, 255, 0.2),
            inset 0 -2px 4px rgba(0, 0, 0, 0.15);
    }
    50% {
        transform: translateX(-50%) scale(1.05);
        box-shadow:
            0 6px 25px rgba(139, 90, 43, 0.5),
            inset 0 2px 4px rgba(255, 255, 255, 0.2),
            inset 0 -2px 4px rgba(0, 0, 0, 0.15);
    }
}

/* ========================================
   弹窗头部
   ======================================== */
.phone-binding-header {
    position: relative;
    padding: 48px 32px 20px;
    text-align: center;
    z-index: 1;
}

.phone-binding-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark, #3d2e1f);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.phone-binding-header p {
    font-size: 14px;
    color: var(--text-light, #a99a8a);
    line-height: 1.6;
}

/* 装饰分隔符 */
.header-ornament {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.ornament-line {
    width: 50px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(196, 139, 74, 0.4), transparent);
}

.ornament-icon {
    font-size: 10px;
    color: var(--primary-color, #c48b4a);
    opacity: 0.6;
}

/* ========================================
   引导说明区域
   ======================================== */
.binding-benefits {
    position: relative;
    margin: 0 24px 20px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(255, 237, 204, 0.5) 0%, rgba(212, 165, 116, 0.15) 100%);
    border: 1px solid rgba(196, 139, 74, 0.15);
    border-radius: var(--radius, 12px);
    z-index: 1;
}

.benefits-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark, #3d2e1f);
    margin-bottom: 10px;
}

.benefits-title i {
    font-size: 16px;
    color: var(--primary-color, #c48b4a);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--text-color, #5a4a3a);
}

.benefit-item i {
    font-size: 14px;
    color: var(--primary-color, #c48b4a);
    opacity: 0.8;
}

/* ========================================
   表单区域
   ======================================== */
.phone-binding-form {
    position: relative;
    padding: 0 24px 24px;
    z-index: 1;
}

.binding-form-group {
    margin-bottom: 16px;
}

.binding-form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark, #3d2e1f);
    margin-bottom: 8px;
}

.binding-form-group label i {
    font-size: 14px;
    color: var(--primary-color, #c48b4a);
}

/* 输入框容器 */
.binding-input-wrapper {
    position: relative;
}

.binding-input-wrapper input {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    color: var(--text-dark, #3d2e1f);
    background: #fff;
    border: 2px solid rgba(210, 180, 140, 0.3);
    border-radius: var(--radius, 12px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
}

.binding-input-wrapper input::placeholder {
    color: var(--text-light, #a99a8a);
}

.binding-input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color, #c48b4a);
    box-shadow: 0 0 0 4px rgba(196, 139, 74, 0.1);
    background: #fffcf8;
}

/* 手机号输入框 - 带区号 */
.phone-binding-input {
    position: relative;
}

.phone-binding-prefix {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark, #3d2e1f);
    padding-right: 12px;
    border-right: 1px solid rgba(210, 180, 140, 0.3);
    z-index: 1;
    pointer-events: none;
}

.phone-binding-input input {
    padding-left: 72px;
}

/* 验证码输入框 */
.code-binding-input {
    position: relative;
}

.code-binding-input input {
    padding-right: 130px;
    letter-spacing: 4px;
    font-size: 18px;
    font-weight: 500;
}

/* 获取验证码按钮 */
.btn-binding-code {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    padding: 12px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-color, #c48b4a);
    background: linear-gradient(135deg, rgba(212, 162, 76, 0.12) 0%, rgba(196, 139, 74, 0.08) 100%);
    border: 1px solid rgba(196, 139, 74, 0.25);
    border-radius: var(--radius-sm, 8px);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-binding-code:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(212, 162, 76, 0.2) 0%, rgba(196, 139, 74, 0.15) 100%);
    border-color: var(--primary-color, #c48b4a);
    color: var(--primary-dark, #8b5a2b);
}

.btn-binding-code:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    color: var(--text-light, #a99a8a);
    background: rgba(210, 180, 140, 0.1);
    border-color: transparent;
}

.btn-binding-code.counting {
    font-variant-numeric: tabular-nums;
}

/* ========================================
   提交按钮
   ======================================== */
.btn-binding-submit {
    position: relative;
    width: 100%;
    padding: 16px 32px;
    margin-top: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #d4a24c 0%, #c48b4a 50%, #a0522d 100%);
    border: none;
    border-radius: var(--radius, 12px);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(196, 139, 74, 0.35);
}

.btn-binding-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s ease;
}

.btn-binding-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(196, 139, 74, 0.45);
}

.btn-binding-submit:hover:not(:disabled)::before {
    left: 100%;
}

.btn-binding-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-binding-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-binding-submit span {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* 加载状态 */
.btn-binding-submit.loading span {
    opacity: 0;
}

.btn-binding-submit.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: btnSpinner 0.8s linear infinite;
}

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

/* ========================================
   底部区域
   ======================================== */
.phone-binding-footer {
    position: relative;
    padding: 16px 24px 24px;
    text-align: center;
    z-index: 1;
}

/* 分隔装饰 */
.footer-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 14px;
}

.separator-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(196, 139, 74, 0.25), transparent);
}

.separator-dot {
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--primary-color, #c48b4a), var(--accent-warm, #d4a574));
    border-radius: 50%;
    opacity: 0.5;
}

/* 跳过链接 */
.skip-binding {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-light, #a99a8a);
    cursor: pointer;
    transition: all 0.3s ease;
    background: none;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
}

.skip-binding:hover {
    color: var(--primary-color, #c48b4a);
    background: rgba(196, 139, 74, 0.08);
}

.skip-binding i {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.skip-binding:hover i {
    transform: translateX(4px);
}

/* 提示文字 */
.binding-notice {
    margin-top: 12px;
    font-size: 11px;
    color: var(--text-light, #a99a8a);
    opacity: 0.8;
    line-height: 1.5;
}

.binding-notice i {
    margin-right: 4px;
    font-size: 12px;
}

/* ========================================
   错误提示
   ======================================== */
.binding-error {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    margin-top: 8px;
    font-size: 12px;
    color: #c0392b;
    background: rgba(192, 57, 43, 0.08);
    border: 1px solid rgba(192, 57, 43, 0.15);
    border-radius: var(--radius-sm, 8px);
    animation: errorShake 0.4s ease;
}

.binding-error.show {
    display: flex;
}

.binding-error i {
    font-size: 14px;
    flex-shrink: 0;
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* ========================================
   成功状态
   ======================================== */
.binding-success {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(170deg, #fffcf8 0%, #faf6f0 40%, #f5f0e8 100%);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.binding-success.show {
    opacity: 1;
    visibility: visible;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.15) 0%, rgba(39, 174, 96, 0.08) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    animation: successPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.success-icon i {
    font-size: 40px;
    color: #27ae60;
}

@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark, #3d2e1f);
    margin-bottom: 8px;
}

.success-desc {
    font-size: 14px;
    color: var(--text-light, #a99a8a);
    margin-bottom: 24px;
}

.success-countdown {
    font-size: 13px;
    color: var(--text-light, #a99a8a);
}

.success-countdown span {
    color: var(--primary-color, #c48b4a);
    font-weight: 600;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 480px) {
    .phone-binding-overlay {
        padding: 16px;
    }

    .phone-binding-modal {
        max-width: 100%;
        border-radius: var(--radius, 12px);
    }

    .wax-seal {
        width: 48px;
        height: 48px;
        top: -16px;
    }

    .wax-seal i {
        font-size: 20px;
    }

    .phone-binding-header {
        padding: 40px 20px 16px;
    }

    .phone-binding-header h2 {
        font-size: 20px;
    }

    .phone-binding-header p {
        font-size: 13px;
    }

    .binding-benefits {
        margin: 0 16px 16px;
        padding: 14px 16px;
    }

    .phone-binding-form {
        padding: 0 16px 20px;
    }

    .binding-input-wrapper input {
        padding: 12px 14px;
        font-size: 14px;
    }

    .phone-binding-input input {
        padding-left: 66px;
    }

    .phone-binding-prefix {
        font-size: 13px;
        left: 14px;
        padding-right: 10px;
    }

    .code-binding-input input {
        padding-right: 110px;
        letter-spacing: 2px;
        font-size: 16px;
    }

    .btn-binding-code {
        padding: 10px 14px;
        font-size: 12px;
    }

    .btn-binding-submit {
        padding: 14px 24px;
        font-size: 15px;
    }

    .phone-binding-footer {
        padding: 12px 16px 20px;
    }
}

/* ========================================
   入场动画
   ======================================== */
.phone-binding-modal .phone-binding-header,
.phone-binding-modal .binding-benefits,
.phone-binding-modal .phone-binding-form,
.phone-binding-modal .phone-binding-footer {
    opacity: 0;
    transform: translateY(15px);
}

.phone-binding-overlay.show .phone-binding-modal .phone-binding-header {
    animation: contentFadeIn 0.4s ease 0.2s forwards;
}

.phone-binding-overlay.show .phone-binding-modal .binding-benefits {
    animation: contentFadeIn 0.4s ease 0.3s forwards;
}

.phone-binding-overlay.show .phone-binding-modal .phone-binding-form {
    animation: contentFadeIn 0.4s ease 0.4s forwards;
}

.phone-binding-overlay.show .phone-binding-modal .phone-binding-footer {
    animation: contentFadeIn 0.4s ease 0.5s forwards;
}

@keyframes contentFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   减少动画偏好支持
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .phone-binding-overlay,
    .phone-binding-modal,
    .wax-seal,
    .phone-binding-modal .phone-binding-header,
    .phone-binding-modal .binding-benefits,
    .phone-binding-modal .phone-binding-form,
    .phone-binding-modal .phone-binding-footer {
        animation: none !important;
        transition: opacity 0.2s ease !important;
        transform: none !important;
        opacity: 1 !important;
    }
}