/* ==========================================================================
   CDK 查詢 · 前台獨立頁面
   自帶 reset，因為這個頁面完全不載入主題樣式
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body.cdk4k-body {
    --q-accent: #2563eb;
    --q-accent-dark: #1d4ed8;
    --q-accent-soft: rgba(37, 99, 235, .1);
    --q-text: #0f172a;
    --q-muted: #64748b;
    --q-faint: #94a3b8;
    --q-line: rgba(15, 23, 42, .1);
    --q-ok: #059669;
    --q-err: #dc2626;
    --q-warn: #d97706;
    --q-radius: 22px;

    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 18px;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
                 "PingFang TC", "Microsoft JhengHei", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--q-text);
    background: linear-gradient(160deg, #eef4ff 0%, #f7fafc 42%, #eefaf4 100%);
    -webkit-font-smoothing: antialiased;
}

/* ---------- 背景光斑 ---------- */

.cdk4k-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.cdk4k-bg i {
    position: absolute;
    display: block;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .55;
    animation: q-float 18s ease-in-out infinite;
}

.cdk4k-bg i:nth-child(1) { width: 420px; height: 420px; top: -140px; left: -110px;  background: rgba(37, 99, 235, .5); }
.cdk4k-bg i:nth-child(2) { width: 360px; height: 360px; top: -90px;  right: -80px;  background: rgba(16, 185, 129, .45); animation-delay: -4s; }
.cdk4k-bg i:nth-child(3) { width: 480px; height: 480px; bottom: -200px; left: 18%;  background: rgba(139, 92, 246, .32); animation-delay: -8s; }
.cdk4k-bg i:nth-child(4) { width: 380px; height: 380px; bottom: -160px; right: -70px; background: rgba(14, 165, 233, .38); animation-delay: -12s; }

@keyframes q-float {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50%      { transform: translate3d(0, 26px, 0) scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
    .cdk4k-bg i { animation: none; }
}

/* ---------- 容器 ---------- */

.cdk4k-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 520px;
}

.cdk4k-card {
    background: rgba(255, 255, 255, .78);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, .9);
    border-radius: var(--q-radius);
    box-shadow:
        0 24px 60px -28px rgba(15, 23, 42, .38),
        inset 0 1px 0 rgba(255, 255, 255, .9);
    padding: 30px 28px 26px;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .cdk4k-card { background: rgba(255, 255, 255, .97); }
}

/* ---------- 語言切換 ---------- */

.cdk4k-langs {
    display: flex;
    justify-content: flex-end;
    gap: 4px;
    margin-bottom: 12px;
}

.cdk4k-lang {
    appearance: none;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, .6);
    color: var(--q-muted);
    font: inherit;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: background .15s ease, color .15s ease, border-color .15s ease;
}

.cdk4k-lang:hover { background: #fff; color: var(--q-text); }

.cdk4k-lang.is-active {
    background: var(--q-accent);
    border-color: var(--q-accent);
    color: #fff;
    box-shadow: 0 6px 16px -8px rgba(37, 99, 235, .9);
}

/* ---------- 標題 ---------- */

.cdk4k-head { text-align: center; margin-bottom: 26px; }

.cdk4k-mark {
    display: inline-grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 17px;
    background: linear-gradient(135deg, var(--q-accent) 0%, #7c3aed 100%);
    color: #fff;
    font-size: 24px;
    margin-bottom: 14px;
    box-shadow: 0 14px 30px -12px rgba(37, 99, 235, .85);
}

.cdk4k-title {
    margin: 0;
    font-size: 23px;
    font-weight: 800;
    letter-spacing: -.3px;
    background: linear-gradient(135deg, #0f172a 0%, #2563eb 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #0f172a;
}

.cdk4k-sub {
    margin: 6px 0 0;
    font-size: 13.5px;
    color: var(--q-muted);
}

/* ---------- 輸入框 ---------- */

.cdk4k-form { margin-bottom: 22px; }

.cdk4k-label {
    display: block;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--q-muted);
    margin-bottom: 7px;
    letter-spacing: .2px;
}

.cdk4k-input-wrap { position: relative; }

.cdk4k-input {
    width: 100%;
    padding: 14px 44px 14px 16px;
    font: inherit;
    font-size: 15px;
    color: var(--q-text);
    background: rgba(255, 255, 255, .85);
    border: 1.5px solid var(--q-line);
    border-radius: 14px;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.cdk4k-input::placeholder { color: var(--q-faint); }

.cdk4k-input:focus {
    border-color: var(--q-accent);
    background: #fff;
    box-shadow: 0 0 0 4px var(--q-accent-soft);
}

.cdk4k-clear {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 8px;
    background: rgba(15, 23, 42, .07);
    color: var(--q-muted);
    font-size: 17px;
    line-height: 1;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}

.cdk4k-clear:hover { background: rgba(220, 38, 38, .12); color: var(--q-err); }

/* ---------- 四個按鈕 ---------- */

.cdk4k-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 11px;
}

.cdk4k-act {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    text-align: left;
    color: var(--q-text);
    background: rgba(255, 255, 255, .82);
    border: 1.5px solid var(--q-line);
    border-radius: 15px;
    cursor: pointer;
    transition: transform .12s ease, border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.cdk4k-act:hover {
    background: #fff;
    border-color: rgba(37, 99, 235, .45);
    box-shadow: 0 12px 26px -16px rgba(37, 99, 235, .85);
    transform: translateY(-2px);
}

.cdk4k-act:active { transform: translateY(0); }

.cdk4k-act:focus-visible { outline: 2px solid var(--q-accent); outline-offset: 2px; }

.cdk4k-act[disabled] { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

.cdk4k-act-text { flex: 1 1 auto; min-width: 0; }

/* 四個按鈕共用同一個箭頭圖示，放在文字後面 */
.cdk4k-act-arrow {
    flex: 0 0 auto;
    width: 17px;
    height: 17px;
    color: var(--q-faint);
    transition: transform .18s ease, color .18s ease;
}

.cdk4k-act:hover .cdk4k-act-arrow {
    color: var(--q-accent);
    transform: translateX(3px);
}

.cdk4k-act[disabled] .cdk4k-act-arrow { transform: none; }

@media (prefers-reduced-motion: reduce) {
    .cdk4k-act-arrow { transition: none; }
    .cdk4k-act:hover .cdk4k-act-arrow { transform: none; }
}

@media (max-width: 420px) {
    .cdk4k-actions { grid-template-columns: 1fr; }
    .cdk4k-card { padding: 24px 20px 20px; }
    .cdk4k-title { font-size: 20px; }
}

/* ---------- 結果 ---------- */

.cdk4k-result { margin-top: 22px; }
.cdk4k-result[hidden] { display: none; }

.cdk4k-box {
    border-radius: 16px;
    padding: 20px 18px;
    text-align: center;
    border: 1.5px dashed var(--q-line);
    background: rgba(255, 255, 255, .6);
    animation: q-pop .24s cubic-bezier(.16, 1, .3, 1);
}

@keyframes q-pop {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) { .cdk4k-box { animation: none; } }

.cdk4k-box.is-ok    { border-style: solid; border-color: rgba(5, 150, 105, .4);  background: rgba(5, 150, 105, .07); }
.cdk4k-box.is-warn  { border-style: solid; border-color: rgba(217, 119, 6, .4);  background: rgba(217, 119, 6, .07); }
.cdk4k-box.is-err   { border-style: solid; border-color: rgba(220, 38, 38, .35); background: rgba(220, 38, 38, .06); }

.cdk4k-state-label {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--q-muted);
    margin: 0 0 12px;
    letter-spacing: .3px;
}

.cdk4k-code {
    margin: 0;
    font-family: "SF Mono", Consolas, Monaco, "Courier New", monospace;
    font-size: 46px;
    font-weight: 800;
    letter-spacing: 10px;
    line-height: 1.15;
    color: var(--q-ok);
    text-indent: 10px; /* 抵掉最後一位的字距，視覺置中 */
    word-break: break-all;
}

@media (max-width: 420px) {
    .cdk4k-code { font-size: 36px; letter-spacing: 7px; text-indent: 7px; }
}

.cdk4k-msg {
    margin: 0;
    font-size: 14.5px;
    color: var(--q-muted);
    line-height: 1.7;
}

.cdk4k-msg strong { color: var(--q-text); }

.cdk4k-time {
    margin: 12px 0 0;
    font-size: 12px;
    color: var(--q-faint);
}

.cdk4k-link-text {
    margin: 0 0 14px;
    font-size: 12.5px;
    color: var(--q-muted);
    word-break: break-all;
    font-family: Consolas, Monaco, "Courier New", monospace;
    line-height: 1.6;
    max-height: 96px;
    overflow: auto;
    text-align: left;
    padding: 10px 12px;
    background: rgba(15, 23, 42, .05);
    border-radius: 10px;
}

.cdk4k-result-actions {
    display: flex;
    gap: 9px;
    justify-content: center;
    flex-wrap: wrap;
}

.cdk4k-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 11px 20px;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    border-radius: 12px;
    border: 1.5px solid var(--q-accent);
    background: var(--q-accent);
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease, transform .1s ease;
    box-shadow: 0 10px 22px -12px rgba(37, 99, 235, .95);
}

.cdk4k-btn:hover { background: var(--q-accent-dark); border-color: var(--q-accent-dark); color: #fff; }
.cdk4k-btn:active { transform: translateY(1px); }

.cdk4k-btn.is-ghost {
    background: rgba(255, 255, 255, .9);
    border-color: var(--q-line);
    color: var(--q-text);
    box-shadow: none;
}
.cdk4k-btn.is-ghost:hover { background: #fff; border-color: rgba(37, 99, 235, .4); color: var(--q-accent); }

/* ---------- 載入中 ---------- */

.cdk4k-spinner {
    width: 30px;
    height: 30px;
    margin: 0 auto 12px;
    border: 3px solid rgba(37, 99, 235, .2);
    border-top-color: var(--q-accent);
    border-radius: 50%;
    animation: q-spin .8s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .cdk4k-spinner { animation-duration: 2s; }
}

/* ---------- 底部說明 ---------- */

.cdk4k-note {
    margin: 20px 0 0;
    text-align: center;
    font-size: 12px;
    color: var(--q-faint);
    line-height: 1.6;
}