/* ============================================================
   全景图拼接（panorama-stitch）· 暗房 / 胶片接触印样设计系统
   前缀 pns- · 浅色默认，深色由 :root[data-theme="dark"] 覆盖
   ============================================================ */

.pns-page, .pns-modal, .pns-toast {
    --pns-bg: #f6f3ec;
    --pns-bg2: #ece6d9;
    --pns-panel: #fffdf8;
    --pns-panel2: #f7f2e8;
    --pns-ink: #322a22;
    --pns-sub: #7c6f5e;
    --pns-line: #e3d9c6;
    --pns-line2: #cbb99a;
    --pns-brown: #3b2f2a;
    --pns-amber: #d07706;
    --pns-amber-deep: #a75c05;
    --pns-amber-soft: #fdf0d9;
    --pns-green: #3c7350;
    --pns-green-soft: #e5f0e5;
    --pns-alert: #b23c2b;
    --pns-dark: #211c19;
    --pns-mono: ui-monospace, Consolas, "Liberation Mono", monospace;
    --pns-shadow: 0 16px 40px rgba(74, 56, 32, .15);
    --pns-shadow-sm: 0 4px 14px rgba(74, 56, 32, .11);
    --pns-radius: 10px;
}
:root[data-theme="dark"] .pns-page,
:root[data-theme="dark"] .pns-modal,
:root[data-theme="dark"] .pns-toast {
    --pns-bg: #15130f;
    --pns-bg2: #1c1915;
    --pns-panel: #201d18;
    --pns-panel2: #28241d;
    --pns-ink: #f3ead9;
    --pns-sub: #b8a88e;
    --pns-line: #3a342a;
    --pns-line2: #574d3c;
    --pns-brown: #e8d6b8;
    --pns-amber: #f0b457;
    --pns-amber-deep: #ffcf82;
    --pns-amber-soft: #3a2a13;
    --pns-green: #8cc79a;
    --pns-green-soft: #1d2e21;
    --pns-alert: #f08a73;
    --pns-dark: #0d0b09;
    --pns-shadow: 0 16px 40px rgba(0, 0, 0, .42);
    --pns-shadow-sm: 0 4px 14px rgba(0, 0, 0, .32);
}

.pns-page { background: var(--pns-bg); color: var(--pns-ink); padding: 0 0 62px; min-height: 60vh; font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif; }
.pns-wrap { max-width: 1180px; margin: 0 auto; padding: 18px 18px 0; }
.pns-page .detail-breadcrumb { font-size: 13px; color: var(--pns-sub); margin: 8px 0 20px; }
.pns-page .detail-breadcrumb a { color: var(--pns-sub); text-decoration: none; }
.pns-page .detail-breadcrumb a:hover { color: var(--pns-amber); }
.pns-page .detail-breadcrumb .current { color: var(--pns-amber); font-weight: 700; }
.pns-page h1, .pns-page h2, .pns-page h3 { color: var(--pns-ink); }
.pns-page b { color: var(--pns-ink); }

/* ---------- 接触印样首屏 ---------- */
.pns-hero { display: grid; grid-template-columns: 1.12fr .88fr; gap: 26px; align-items: stretch; }
.pns-contact { background: var(--pns-panel); border: 1px solid var(--pns-line2); border-radius: 6px; box-shadow: var(--pns-shadow); padding: 16px; position: relative; }
.pns-contact::before, .pns-contact::after {
    content: ''; position: absolute; left: 0; right: 0; height: 12px;
    background-image: radial-gradient(circle, var(--pns-bg) 3.5px, transparent 4px);
    background-size: 22px 12px; background-position: 0 0;
}
.pns-contact::before { top: 0; }
.pns-contact::after { bottom: 0; }
.pns-contact-head { display: flex; justify-content: space-between; font: 700 10px/1 var(--pns-mono); letter-spacing: 1.5px; color: var(--pns-sub); padding: 4px 2px 12px; }
.pns-contact-photo { position: relative; height: 172px; overflow: hidden; border: 1px solid var(--pns-line2); background: linear-gradient(180deg, #f7d9a0 0%, #f0b978 42%, #d88c5d 100%); }
:root[data-theme="dark"] .pns-contact-photo { background: linear-gradient(180deg, #4a3b2c 0%, #6b4b32 45%, #8a5a3c 100%); }
.pns-sky { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.22), transparent 60%); }
.pns-sun { position: absolute; left: 66%; top: 26px; width: 46px; height: 46px; border-radius: 50%; background: #fff2c9; box-shadow: 0 0 36px rgba(255,235,170,.9); }
.pns-ridge { position: absolute; left: -5%; width: 110%; bottom: 0; height: 92px; background: #6d7d63; clip-path: polygon(0 100%, 0 62%, 16% 34%, 30% 60%, 48% 18%, 66% 56%, 82% 30%, 100% 66%, 100% 100%); }
.pns-r2 { height: 62px; background: #3f5546; clip-path: polygon(0 100%, 0 48%, 20% 22%, 38% 58%, 58% 26%, 78% 62%, 100% 34%, 100% 100%); }
.pns-frame-no { position: absolute; right: 10px; bottom: 8px; font: 700 11px/1 var(--pns-mono); color: #fff3d6; letter-spacing: 2px; }
.pns-contact-cap { padding: 14px 2px 0; }
.pns-page h1 { font-size: 38px; letter-spacing: 1px; margin: 0 0 10px; font-weight: 800; }
.pns-sub { font-size: 14px; line-height: 1.95; color: var(--pns-sub); margin: 0 0 16px; }
.pns-sub b { font-weight: 700; }
.pns-hero-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding-bottom: 8px; }
.pns-hero-facts div { border: 1px solid var(--pns-line); background: var(--pns-panel2); border-radius: 6px; padding: 9px 10px; }
.pns-hero-facts b { display: block; font: 800 19px/1.2 var(--pns-mono); color: var(--pns-amber); }
.pns-hero-facts span { font-size: 11px; color: var(--pns-sub); }

/* 控制台 */
.pns-console { background: var(--pns-brown); border: 1px solid var(--pns-line2); border-radius: 8px; padding: 16px; color: #f7efe1; box-shadow: var(--pns-shadow); }
:root[data-theme="dark"] .pns-console { background: #241f18; color: var(--pns-ink); }
.pns-console-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid rgba(255,255,255,.16); padding-bottom: 10px; }
.pns-console-head b { color: inherit; font-size: 15px; }
.pns-console-head span { font: 700 10px/1 var(--pns-mono); letter-spacing: 1.3px; opacity: .7; }
.pns-drop { margin-top: 14px; border: 2px dashed rgba(255,255,255,.32); border-radius: 8px; padding: 20px 12px; text-align: center; cursor: pointer; transition: .15s; }
:root[data-theme="dark"] .pns-drop { border-color: var(--pns-line2); }
.pns-drop.is-over { border-color: var(--pns-amber); background: rgba(208,119,6,.14); }
.pns-drop-icon { font-size: 32px; line-height: 1; margin-bottom: 8px; }
.pns-drop-title { font-size: 14.5px; font-weight: 700; margin: 0 0 4px; }
.pns-drop-sub { font-size: 11.5px; opacity: .74; margin: 0 0 14px; }
.pns-drop-btns { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.pns-btn { border: 1px solid var(--pns-line2); background: var(--pns-panel2); color: var(--pns-ink); border-radius: 7px; padding: 9px 14px; font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit; transition: .12s; }
.pns-btn:hover { transform: translateY(-1px); box-shadow: var(--pns-shadow-sm); }
.pns-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.pns-btn-main { background: var(--pns-amber); border-color: var(--pns-amber-deep); color: #fff; }
:root[data-theme="dark"] .pns-btn-main { color: #2a1705; }
.pns-btn-run { display: block; width: 100%; margin-top: 14px; padding: 13px; font-size: 15px; letter-spacing: .5px; background: var(--pns-amber); border-color: var(--pns-amber); color: #fff; }
:root[data-theme="dark"] .pns-btn-run { color: #2a1705; }
.pns-opts { margin-top: 14px; display: grid; gap: 9px; }
.pns-opt-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px; }
.pns-opt-row label { opacity: .86; }
.pns-select { border: 1px solid rgba(255,255,255,.26); background: rgba(255,255,255,.08); color: inherit; border-radius: 6px; padding: 6px 8px; font-size: 12px; font-family: inherit; min-width: 128px; }
:root[data-theme="dark"] .pns-select { background: var(--pns-panel2); border-color: var(--pns-line2); }
.pns-select option { color: #2b231c; }
.pns-check { font-size: 12px; opacity: .88; display: flex; align-items: center; gap: 7px; cursor: pointer; }
.pns-console-foot { font-size: 11px; line-height: 1.7; opacity: .68; margin: 12px 0 0; }

/* ---------- 胶片条 ---------- */
.pns-strip { margin-top: 24px; background: var(--pns-dark); border: 1px solid var(--pns-line2); border-radius: 8px; padding: 12px 14px 16px; box-shadow: var(--pns-shadow); }
.pns-strip[hidden], .pns-work[hidden], .pns-canvas-empty[hidden] { display: none !important; }
.pns-strip-head { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; color: #eadfc8; font-size: 12.5px; margin-bottom: 10px; }
.pns-strip-head span { opacity: .66; font-size: 11.5px; }
.pns-frames { display: flex; gap: 10px; overflow-x: auto; padding: 10px 2px 12px; }
.pns-frame { flex: none; width: 138px; border: 1px solid #5b4c3a; background: #100e0c; border-radius: 4px; padding: 8px 8px 6px; position: relative; }
.pns-frame::before, .pns-frame::after { content: ''; position: absolute; left: 4px; right: 4px; height: 6px; background-image: radial-gradient(circle, #c9bda4 2px, transparent 2.4px); background-size: 14px 6px; }
.pns-frame::before { top: 1px; }
.pns-frame::after { bottom: 1px; }
.pns-frame img { display: block; width: 100%; height: 78px; object-fit: cover; background: #2a251f; }
.pns-frame .no { font: 700 10px/1 var(--pns-mono); color: #e8c98a; letter-spacing: 1px; margin-top: 5px; display: flex; justify-content: space-between; }
.pns-frame .ops { display: flex; gap: 4px; margin-top: 5px; }
.pns-frame .ops button { flex: 1; border: 1px solid #5b4c3a; background: #211c19; color: #efddba; border-radius: 3px; font-size: 11px; cursor: pointer; padding: 3px 0; }
.pns-frame .ops button:hover { border-color: var(--pns-amber); color: var(--pns-amber); }
.pns-frame.is-sel { border-color: var(--pns-amber); box-shadow: 0 0 0 2px rgba(208,119,6,.4); }

/* ---------- 工作台 ---------- */
.pns-work { margin-top: 22px; background: var(--pns-panel); border: 1px solid var(--pns-line2); border-radius: var(--pns-radius); box-shadow: var(--pns-shadow); overflow: hidden; }
.pns-work-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 13px 18px; border-bottom: 1px solid var(--pns-line); background: var(--pns-panel2); }
.pns-work-head > div:first-child { display: flex; align-items: baseline; gap: 10px; }
.pns-sec-no { font: 800 11px/1 var(--pns-mono); color: var(--pns-amber); border: 1px solid var(--pns-line2); padding: 4px 6px; }
.pns-work-head b { font-size: 16px; }
.pns-work-head small { color: var(--pns-sub); font-size: 12px; }
.pns-work-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.pns-mini { border: 1px solid var(--pns-line2); background: var(--pns-panel); color: var(--pns-ink); border-radius: 6px; padding: 7px 10px; font-size: 12px; cursor: pointer; font-family: inherit; }
.pns-mini:hover { border-color: var(--pns-amber); color: var(--pns-amber); }
.pns-mini:disabled { opacity: .45; cursor: not-allowed; }
.pns-cols { display: grid; grid-template-columns: minmax(0, 1fr) 310px; }
.pns-preview { padding: 16px; min-width: 0; border-right: 1px solid var(--pns-line); }
.pns-group-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.pns-tab { border: 1px solid var(--pns-line2); background: var(--pns-panel2); color: var(--pns-sub); border-radius: 5px; padding: 6px 11px; font-size: 12px; cursor: pointer; font-family: var(--pns-mono); }
.pns-tab.is-on { background: var(--pns-brown); border-color: var(--pns-brown); color: #fff5e1; }
:root[data-theme="dark"] .pns-tab.is-on { color: #241f18; }
.pns-canvas-wrap { position: relative; background: var(--pns-dark); border: 1px solid var(--pns-line2); border-radius: 6px; padding: 10px; min-height: 200px; text-align: center; }
.pns-canvas-wrap canvas { max-width: 100%; height: auto; background: #1a1714; }
.pns-canvas-empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #c9bba2; font-size: 13px; pointer-events: none; }
.pns-preview-note { font-size: 11.5px; color: var(--pns-sub); line-height: 1.7; margin: 10px 0; }
.pns-export { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pns-export span { font: 12px/1.5 var(--pns-mono); color: var(--pns-sub); }
.pns-seams { padding: 16px; min-width: 0; }
.pns-box-title { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: 13px; margin: 0 0 8px; }
.pns-box-title:not(:first-child) { margin-top: 20px; }
.pns-box-title span { color: var(--pns-sub); font-size: 11px; }
.pns-seam-tip { font-size: 11.5px; color: var(--pns-sub); line-height: 1.7; margin: 0 0 10px; }
.pns-seam-list { display: grid; gap: 9px; }
.pns-seam { border: 1px solid var(--pns-line); background: var(--pns-panel2); border-radius: 7px; padding: 9px 10px; }
.pns-seam-head { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; }
.pns-seam-head b { font-family: var(--pns-mono); }
.pns-seam-meta { font: 11px/1.6 var(--pns-mono); color: var(--pns-sub); margin-top: 3px; }
.pns-seam input[type=range] { width: 100%; margin: 7px 0 0; accent-color: var(--pns-amber); }
.pns-score { display: inline-block; border-radius: 4px; padding: 1px 6px; font-size: 11px; font-weight: 700; }
.pns-score.good { background: var(--pns-green-soft); color: var(--pns-green); }
.pns-score.bad { background: var(--pns-amber-soft); color: var(--pns-amber-deep); }
.pns-table-scroll { overflow-x: auto; }
.pns-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.pns-table th, .pns-table td { padding: 7px 5px; border-bottom: 1px solid var(--pns-line); text-align: left; white-space: nowrap; }
.pns-table th { color: var(--pns-sub); font-size: 11px; }

/* ---------- 弹窗 / toast ---------- */
.pns-modal { position: fixed; inset: 0; z-index: 9000; display: flex; align-items: center; justify-content: center; background: rgba(28, 22, 16, .66); padding: 18px; color: var(--pns-ink); }
.pns-modal[hidden] { display: none !important; }
.pns-modal-card { position: relative; width: min(470px, 100%); background: var(--pns-panel); border: 1px solid var(--pns-line2); border-radius: 12px; padding: 26px; box-shadow: var(--pns-shadow); }
.pns-modal-x { position: absolute; right: 12px; top: 9px; border: 0; background: none; font-size: 24px; color: var(--pns-sub); cursor: pointer; }
.pns-modal-tag { font: 700 10px/1 var(--pns-mono); letter-spacing: 1.5px; color: var(--pns-amber); }
.pns-modal-card h2 { font-size: 22px; margin: 10px 0 14px; }
.pns-modal-body { font-size: 13px; line-height: 1.9; color: var(--pns-sub); }
.pns-modal-body ul { list-style: none; margin: 0 0 8px; padding: 0; }
.pns-modal-body li { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px dashed var(--pns-line); padding: 6px 0; }
.pns-modal-body b { font-family: var(--pns-mono); }
.pns-modal-actions { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 18px; }
.pns-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%) translateY(14px); z-index: 9500; background: var(--pns-brown); color: #fff6e5; border-radius: 8px; padding: 10px 18px; font-size: 13px; opacity: 0; pointer-events: none; transition: .2s; max-width: 86vw; }
.pns-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 980px) { .pns-hero, .pns-cols { grid-template-columns: 1fr; } .pns-preview { border-right: 0; border-bottom: 1px solid var(--pns-line); } }
@media (max-width: 640px) {
    .pns-wrap { padding: 14px 12px 0; }
    .pns-page h1 { font-size: 30px; }
    .pns-sub { font-size: 13.5px; }
    .pns-contact-photo { height: 132px; }
    .pns-hero-facts { gap: 5px; }
    .pns-hero-facts div { padding: 8px 6px; }
    .pns-hero-facts b { font-size: 16px; }
    .pns-hero, .pns-cols { gap: 14px; }
    .pns-cols > * { min-width: 0; }
    .pns-preview, .pns-seams { padding: 12px; }
    .pns-work-head { padding: 12px; }
    .pns-table { min-width: 0; }
    .pns-table th:nth-child(4), .pns-table td:nth-child(4) { display: none; }
}