/*
 * 滑块拼图 / 图形验证码样式（由 static.cecbid.org.cn 统一托管）
 *
 * 业务系统只需 include 组件模板并引用本文件，无需维护样式。
 */

/* ===== 触发按钮（滑块模式：表单内只显示一个按钮，点击弹窗） ===== */
.slide-captcha-trigger {
    width: 100%;
    height: calc(1.6rem + 1rem + 2px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .375rem;
    padding: 0 1rem;
    border: 1px dashed #ced4da;
    border-radius: .35rem;
    background: #f8f9fa;
    color: #495057;
    font-size: .875rem;
    line-height: 1;
    cursor: pointer;
    transition: border-color .15s, background-color .15s, color .15s;
}

.slide-captcha-trigger:hover {
    border-color: #0d6efd;
    background: #f1f6ff;
    color: #0d6efd;
}

.slide-captcha-trigger:focus-visible {
    outline: 2px solid #0a58ca;
    outline-offset: 2px;
}

.slide-captcha-trigger i {
    font-size: 1rem;
}

.slide-captcha-trigger.is-success {
    border-style: solid;
    border-color: #198754;
    background: #f1fbf5;
    color: #198754;
    cursor: default;
}

.slide-captcha-trigger:disabled {
    opacity: 1;
}

/* ===== 弹窗 ===== */
.slide-captcha-modal {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.slide-captcha-modal[hidden] {
    display: none;
}

.slide-captcha-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(17, 24, 39, .45);
}

.slide-captcha-dialog {
    position: relative;
    width: min(360px, 100%);
    padding: 1rem;
    border-radius: .75rem;
    background: #fff;
    box-shadow: 0 18px 45px rgba(15, 23, 42, .28);
    animation: slideCaptchaIn .18s ease-out;
}

.slide-captcha-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .75rem;
}

.slide-captcha-head h6 {
    margin: 0;
    color: #212529;
    font-size: 1rem;
    font-weight: 600;
}

.slide-captcha-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .25rem;
    border: 0;
    border-radius: .25rem;
    background: none;
    color: #6c757d;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.slide-captcha-close:hover {
    background: #f1f3f5;
    color: #212529;
}

.slide-captcha-close:focus-visible {
    outline: 2px solid #0a58ca;
    outline-offset: 1px;
}

body.slide-captcha-modal-open {
    overflow: hidden;
}

/* ===== 画布与拼图块 ===== */
.slide-captcha-canvas {
    position: relative;
    width: 100%;
    aspect-ratio: 320 / 180;
    overflow: hidden;
    border-radius: .5rem;
    background: #eef1f4;
    user-select: none;
}

.slide-captcha-bg {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: fill;
}

.slide-captcha-piece {
    position: absolute;
    left: 0;
    width: 17.5%;
    height: auto;
    pointer-events: none;
    filter: drop-shadow(0 0 1px rgba(0, 0, 0, .55)) drop-shadow(0 3px 4px rgba(0, 0, 0, .35));
    will-change: left;
}

.slide-captcha-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(17, 24, 39, .28);
    color: #fff;
    font-size: .8125rem;
    letter-spacing: .02em;
    z-index: 2;
}

/* 成功 / 失败结果遮罩 */
.slide-captcha-result {
    position: absolute;
    left: 50%;
    top: 50%;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    margin: -28px 0 0 -28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .94);
    font-size: 1.75rem;
    opacity: 0;
    transform: scale(.7);
    transition: opacity .15s, transform .15s;
    pointer-events: none;
    z-index: 3;
}

.slide-captcha-result[aria-hidden="false"] {
    opacity: 1;
    transform: scale(1);
}

.slide-captcha-result.is-success {
    color: #198754;
    box-shadow: 0 0 0 4px rgba(25, 135, 84, .18);
}

.slide-captcha-result.is-error {
    color: #dc3545;
    box-shadow: 0 0 0 4px rgba(220, 53, 69, .16);
}

/* ===== 拖动条 ===== */
.slide-captcha-track {
    position: relative;
    height: 46px;
    margin-top: .625rem;
    border: 1px solid #dee2e6;
    border-radius: 999px;
    background: #f8f9fa;
    overflow: hidden;
    transition: border-color .15s, background-color .15s;
}

.slide-captcha-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: rgba(13, 110, 253, .12);
    transition: background-color .15s;
}

.slide-captcha-tip {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3.5rem;
    color: #868e96;
    font-size: .8125rem;
    text-align: center;
    pointer-events: none;
}

.slide-captcha-handle {
    position: absolute;
    left: 0;
    top: 0;
    width: 52px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #0d6efd;
    color: #fff;
    font-size: 1.25rem;
    cursor: grab;
    touch-action: none;
    z-index: 1;
    transition: background-color .15s;
}

.slide-captcha-handle:active {
    cursor: grabbing;
}

.slide-captcha-handle:focus-visible {
    outline: 2px solid #0a58ca;
    outline-offset: 2px;
}

.slide-captcha-track.is-verifying {
    opacity: .78;
}

.slide-captcha-track.is-verifying .slide-captcha-handle {
    cursor: progress;
}

.slide-captcha-track.is-success {
    border-color: #198754;
    background: #f1fbf5;
}

.slide-captcha-track.is-success .slide-captcha-fill {
    background: rgba(25, 135, 84, .16);
}

.slide-captcha-track.is-success .slide-captcha-handle {
    background: #198754;
}

.slide-captcha-track.is-error {
    border-color: #dc3545;
    animation: slideCaptchaShake .35s;
}

.slide-captcha-track.is-error .slide-captcha-fill {
    background: rgba(220, 53, 69, .14);
}

.slide-captcha-track.is-error .slide-captcha-handle {
    background: #dc3545;
}

/* ===== 底部状态与链接 ===== */
.slide-captcha-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    min-height: 1.5rem;
    margin-top: .5rem;
}

.slide-captcha-status {
    color: #6c757d;
    font-size: .8125rem;
    line-height: 1.3;
}

.slide-captcha-status.is-success {
    color: #198754;
}

.slide-captcha-status.is-error {
    color: #dc3545;
}

.slide-captcha-link {
    padding: 0;
    border: 0;
    background: none;
    color: #6c757d;
    font-size: .8125rem;
    line-height: 1.3;
    cursor: pointer;
    white-space: nowrap;
}

.slide-captcha-link:hover {
    color: #0d6efd;
    text-decoration: underline;
}

.slide-captcha-link:focus-visible {
    outline: 2px solid #0a58ca;
    outline-offset: 2px;
}

/* ===== 图形验证码（env 选择 image 时使用） ===== */
.slide-captcha-image-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: .5rem;
    align-items: start;
}

.slide-captcha-image-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: .25rem;
}

.slide-captcha-image {
    display: block;
    height: calc(1.6rem + 1rem + 2px);
    width: auto;
    max-width: 100%;
    object-fit: contain;
    cursor: pointer;
}

/* ===== 动画 ===== */
@keyframes slideCaptchaIn {
    from {
        opacity: 0;
        transform: translateY(8px) scale(.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

/* ===== 移动端 ===== */
@media (max-width: 575.98px) {
    .slide-captcha-dialog {
        width: 100%;
        padding: .875rem;
    }

    .slide-captcha-track {
        height: 48px;
    }

    .slide-captcha-handle {
        width: 56px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .slide-captcha-dialog,
    .slide-captcha-result,
    .slide-captcha-trigger {
        animation: none;
        transition: none;
    }

    .slide-captcha-track.is-error {
        animation: none;
    }
}