/* ═══════════════════════════════════════════════════════════════
   HK IPO Analysis — Shared Base Styles
   Loaded by all pages. Keep this file lean — page-specific styles
   belong in their own CSS file.
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables ───────────────────────────────────────── */
:root {
  --font-cn: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-mono: 'SF Mono','Cascadia Code','Consolas',monospace;
  --c-text: #9489ca;
  --c-sub: rgba(148,137,202,0.7);
  --c-accent: #9489ca;
  --c-border: rgba(148,137,202,0.25);
  --c-bg2: rgba(148,137,202,0.08);
}

/* ── Theme toggle transition (applied to body via theme.js) ── */
.theme-toggle,.theme-toggle *{transition:background-color .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease!important}

/* ── Utilities ─────────────────────────────────────────────── */
.dn{display:none !important}
.tc{text-align:center}
.noscript-msg{padding:2rem}

/* ── Reset & Body ─────────────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box}
html{background:#0F0F0E}
body{color:#9489ca;
font-family:var(--font-cn);
overflow-x:hidden;transition:background .3s,color .3s;
background-image:radial-gradient(rgba(148,137,202,0.06) 1px,transparent 1px);
background-size:28px 28px}
body.light{background:#f5f7fa;color:#111110;
background-image:radial-gradient(rgba(148,137,202,0.04) 1px,transparent 1px);
--c-text:#111110;
--c-sub:rgba(17,17,16,0.55);
--c-accent:#534A80;
--c-border:rgba(83,74,128,0.25);
--c-bg2:rgba(83,74,128,0.04)}
body::before{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none}
.bg-stripe{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none;
background-image:repeating-linear-gradient(0deg,transparent 0px,transparent 7px,rgba(83,74,128,0.30) 7px,rgba(83,74,128,0.30) 9px);
filter:blur(1px);mask-image:linear-gradient(90deg,transparent 0%,#000 80%,transparent 100%)}
body:not(.stripe-on) .bg-stripe{display:none}

/* ── Buttons (shared across all pages) ────────────────────── */
.btn{padding:5px 14px;border:1px solid rgba(148,137,202,0.25);
background:transparent;color:rgba(148,137,202,0.6);
font-size:12px;text-align:center;cursor:pointer;
text-decoration:none;transition:all .25s;
font-family:inherit;letter-spacing:.5px;line-height:1.4;
border-radius:3px;display:inline-block}
.btn:hover{background:rgba(148,137,202,0.1);border-color:#9489ca;color:#9489ca;
box-shadow:0 0 10px rgba(148,137,202,0.1)}
body.light .btn{color:rgba(83,74,128,0.6);border-color:rgba(83,74,128,0.25)}
body.light .btn:hover{background:rgba(83,74,128,0.1);border-color:#534A80;color:#534A80;
box-shadow:0 0 10px rgba(83,74,128,0.1)}
.btn.purple{border-color:rgba(148,137,202,0.45);color:#9489ca}
.btn.purple:hover{background:rgba(148,137,202,0.1);border-color:#9489ca;color:#9489ca;
box-shadow:0 0 10px rgba(148,137,202,0.1)}
body.light .btn.purple{border-color:rgba(83,74,128,0.55);color:rgba(83,74,128,0.9)}
body.light .btn.purple:hover{background:rgba(83,74,128,0.15);border-color:#534A80;color:#534A80;
box-shadow:0 0 10px rgba(83,74,128,0.1)}
.btn.red{border-color:rgba(240,112,112,0.45);color:#f07070}
.btn.red:hover{background:rgba(240,112,112,0.1);border-color:#f07070;color:#f07070;
box-shadow:0 0 10px rgba(240,112,112,0.1)}
body.light .btn.red{border-color:rgba(232,89,89,0.55);color:rgba(232,89,89,0.9)}
body.light .btn.red:hover{background:rgba(232,89,89,0.15);border-color:#e85959;color:#e85959;
box-shadow:0 0 10px rgba(232,89,89,0.1)}
.btn.blue{border-color:rgba(52,152,219,0.45);color:#3498db}
.btn.blue:hover{background:rgba(52,152,219,0.1);border-color:#3498db;color:#3498db;
box-shadow:0 0 10px rgba(52,152,219,0.1)}
body.light .btn.blue{border-color:rgba(41,128,185,0.55);color:rgba(41,128,185,0.9)}
body.light .btn.blue:hover{background:rgba(41,128,185,0.15);border-color:#2980b9;color:#2980b9;
box-shadow:0 0 10px rgba(41,128,185,0.1)}
.btn.gray{border-color:rgba(148,137,202,0.08);color:rgba(148,137,202,0.18);cursor:default;pointer-events:none}
body.light .btn.gray{border-color:rgba(83,74,128,0.12);color:rgba(83,74,128,0.3)}
/* Current page indicator — solid fill, brand purple bg + white text */
.btn.active{background:#9489ca;border-color:#9489ca;color:#fff;cursor:default;pointer-events:none;font-weight:600}
body.light .btn.active{background:#534A80;border-color:#534A80;color:#fff}
.btn.green{border-color:rgba(55,200,130,0.35);color:#37c882}
.btn.green:hover{background:rgba(55,200,130,0.1);border-color:#37c882;color:#37c882;
box-shadow:0 0 10px rgba(55,200,130,0.12)}
body.light .btn.green{border-color:rgba(55,200,130,0.55);color:#37c882}
body.light .btn.green:hover{background:rgba(55,200,130,0.15);border-color:#37c882;color:#37c882;
box-shadow:0 0 10px rgba(55,200,130,0.1)}


/* ── Button group spacing ─────────────────────────────── */
.btns{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
/* ── Header action buttons (lang + theme) ─────────────────── */
.hdr-actions{position:absolute;top:20px;right:40px;display:flex;align-items:center;gap:8px;z-index:10}
.hdr-actions .theme-btn{position:static}
.theme-btn{background:rgba(148,137,202,0.08);border:1px solid rgba(148,137,202,0.25);
    color:rgba(148,137,202,0.6);padding:4px 12px;font-size:10px;cursor:pointer;transition:all .25s;
    user-select:none;border-radius:3px;font-family:inherit;letter-spacing:1px;line-height:1.4}
.theme-btn:hover{background:rgba(148,137,202,0.15);border-color:#9489ca;color:#9489ca;box-shadow:0 0 12px rgba(148,137,202,0.18)}
body.light .theme-btn{background:rgba(242,244,248,0.8);border-color:rgba(17,17,16,0.2);color:rgba(17,17,16,0.55)}
body.light .theme-btn:hover{background:rgba(242,244,248,0.95);border-color:rgba(17,17,16,0.35);color:rgba(17,17,16,0.8);box-shadow:0 0 12px rgba(255,255,255,0.1)}
.hdr-lang-btn{padding:4px 12px;border:1px solid rgba(148,137,202,0.25);
    background:rgba(148,137,202,0.08);color:rgba(148,137,202,0.6);font-size:10px;cursor:pointer;
    border-radius:3px;font-family:inherit;letter-spacing:1px;line-height:1.4;transition:all .25s;
    display:flex;align-items:center;gap:4px;user-select:none}
.hdr-lang-btn:hover{background:rgba(148,137,202,0.15);border-color:#9489ca;color:#9489ca;box-shadow:0 0 12px rgba(148,137,202,0.18)}
.hdr-lang-btn::after{content:'▾';font-size:8px}
body.light .hdr-lang-btn{background:rgba(242,244,248,0.8);border-color:rgba(17,17,16,0.2);color:rgba(17,17,16,0.55)}
body.light .hdr-lang-btn:hover{background:rgba(242,244,248,0.95);border-color:rgba(17,17,16,0.35);color:rgba(17,17,16,0.8)}
.hdr-lang-dropdown{display:none;position:fixed;background:rgba(16,16,15,0.97);
    border:1px solid rgba(148,137,202,0.3);border-radius:4px;z-index:999999;min-width:160px;
    max-height:320px;overflow-y:auto;box-shadow:0 4px 24px rgba(0,0,0,0.5)}
.hdr-lang-dropdown.show{display:block}
body.light .hdr-lang-dropdown{background:rgba(255,255,255,0.98);border-color:rgba(83,74,128,0.2);box-shadow:0 4px 24px rgba(0,0,0,0.1)}

/* ── Header inner wrapper + shared header elements ──────────── */
.hdr{position:relative;background:#0F0F0E}
.hdr::before{content:'';position:absolute;inset:0;z-index:0;pointer-events:none;
background-image:repeating-linear-gradient(0deg,transparent 0px,transparent 7px,rgba(83,74,128,0.30) 7px,rgba(83,74,128,0.30) 9px);
background-attachment:scroll;filter:blur(1px);
mask-image:linear-gradient(90deg,transparent 0%,#000 80%,transparent 100%)}
.hdr::after{content:'';position:absolute;bottom:0;left:40px;right:40px;height:0;border-bottom:4px dashed rgba(148,137,202,0.8)}
.hdr-inner{padding:4px 40px 0;position:relative;z-index:1;max-width:1400px;margin-left:auto;margin-right:auto}
.hdr .logo{height:30px;width:auto;display:block;margin:16px 0 4px 0;opacity:0.9}
/* shared light-mode header overrides */
body.light .hdr{background:#f5f7fa}
body.light .hdr::after{border-bottom-color:rgba(83,74,128,0.25)}

/* ── Separator (shared decorative divider) ─────────────────── */
.sep{font-size:10px;color:rgba(148,137,202,0.2);letter-spacing:1px;padding:0 40px;line-height:1;font-family:var(--font-mono);word-break:break-all}
body.light .sep{color:rgba(83,74,128,0.3)}

/* ── Disclaimer ────────────────────────────────────────────── */
.dc{padding:14px 18px;margin:0 40px 18px;
max-width:1400px;margin-left:auto;margin-right:auto;
background:transparent;border:1px solid rgba(148,137,202,0.1);border-radius:3px}
body.light .dc{background:transparent;border:1px solid rgba(83,74,128,0.08)}
.dc p{font-size:11px;color:#9489ca;line-height:1.6;margin-bottom:4px}
body.light .dc p{color:rgba(83,74,128,0.7)}
.dc details{margin-top:6px}
.dc summary{cursor:pointer;color:#9489ca;
font-size:12px;font-weight:600;user-select:none;
display:flex;align-items:center;gap:8px;transition:color .25s;list-style:none;margin-bottom:4px}
body.light .dc summary{color:rgba(83,74,128,0.65)}
.dc summary:hover{color:#9489ca}
body.light .dc summary:hover{color:#534A80}
.dc summary::before{content:'+';display:inline-block;
transition:transform .2s;font-size:13px;color:#9489ca}
body.light .dc summary::before{color:rgba(83,74,128,0.5)}
.dc details[open]>summary::before{content:'-';color:#9489ca}
body.light .dc details[open]>summary::before{color:#534A80}
.dc a{color:inherit}
.dc-arrow{display:inline-block;transition:transform .2s;font-size:10px}
body.light .dc-arrow{color:rgba(83,74,128,0.5)}

/* ── Section labels (analysis + demo pages) ────────────── */
.ov-hdr{font-size:9px;color:#9489ca;letter-spacing:3px;padding:8px 40px 0;font-family:var(--font-mono);background:rgba(15,15,14,0.6)}
body.light .ov-hdr{background:rgba(245,247,250,0.6);color:rgba(55,160,255,0.5)}
.sec-label{font-size:9px;color:rgba(148,137,202,0.4);letter-spacing:3px;padding:4px 40px;font-family:var(--font-mono);background:rgba(15,15,14,0.6)}
body.light .sec-label{background:rgba(245,247,250,0.6);color:rgba(83,74,128,0.6)}

/* ── Chart containers ──────────────────────────────────── */
.cb{width:100%;height:340px}
.cb-tall{width:100%;height:600px}

/* ── Footer QR / Logo ──────────────────────────────────── */
.ft-qr{text-align:center;padding:20px 40px 8px;max-width:1400px;margin:0 auto}
.ft-qr-inner{display:inline-flex;flex-wrap:wrap;justify-content:center;gap:24px;
align-items:flex-start;padding:16px 32px;
background:rgba(15,15,14,0.8);border:1px solid rgba(148,137,202,0.14);border-radius:3px}
body.light .ft-qr-inner{background:#F5F2F7;border:1px solid rgba(83,74,128,0.12)}
.ft-qr-item{display:flex;flex-direction:column;align-items:center;gap:8px}
.ft-qr-item img{width:120px;max-width:28vw;height:auto;display:block;opacity:0.7;border-radius:4px}
body.light .ft-qr-item img{opacity:0.75}
.ft-qr-label{font-size:10px;color:#9489ca;letter-spacing:1px;text-align:center}
body.light .ft-qr-label{color:rgba(17,17,16,0.45)}
.ft-logo{text-align:center;padding:10px 0 4px}
.ft-logo img{width:32px;height:32px;opacity:0.35}
body.light .ft-logo img{opacity:0.4}
.ft{text-align:center;padding:4px 20px 20px;
color:rgba(148,137,202,0.25);font-size:10px;
letter-spacing:1px;font-family:var(--font-mono)}
body.light .ft{color:rgba(83,74,128,0.25)}

/* ── Page Nav (extracted from inline in page_nav.html.j2) ── */
.page-nav{display:flex;gap:6px;padding:8px 40px;flex-wrap:wrap;align-items:center;max-width:1400px;margin-left:auto;margin-right:auto}
.page-nav .btn{display:inline-block}
/* .lang-option styles are in the hdr section below, shared across all dropdown instances */
.lang-option{display:block;width:100%;padding:7px 14px;background:none;border:none;color:rgba(148,137,202,0.7);font-size:12px;text-align:start;cursor:pointer;font-family:inherit;transition:all .2s}
.lang-option:hover{background:rgba(148,137,202,0.1);color:#9489ca}
.lang-option.active{color:#9489ca;font-weight:600;background:rgba(148,137,202,0.06)}
body.light .lang-option{color:rgba(17,17,16,0.6)}
body.light .lang-option:hover{background:rgba(83,74,128,0.08);color:#111110}
body.light .lang-option.active{color:#534A80;background:rgba(83,74,128,0.04)}

/* ── Shared utility classes ───────────────────────────────────── */
.table-scroll-wrap{overflow-x:auto}
.empty-field{color:rgba(148,137,202,0.3)}
body.light .empty-field{color:rgba(83,74,128,0.35)}

/* ── Shared Responsive ──────────────────────────────────────── */
@media(max-width:768px){
.hdr-inner{padding:2px 20px 0}
.hdr .logo{height:20px;margin:12px 0 4px 0}
.hdr::after{left:20px;right:20px}
.hdr-actions{top:14px;right:20px;gap:4px}
.hdr-actions .theme-btn{top:auto;right:auto;font-size:9px;padding:3px 10px}
.hdr-lang-btn{font-size:9px;padding:3px 10px}
.page-nav{padding:8px 16px}
.ft-qr{padding:14px 0 4px}.ft-qr-inner{padding:10px 12px;gap:10px;flex-wrap:nowrap}
.ft-qr-item img{width:80px;max-width:28vw;height:auto}.ft-logo{padding:6px 0 2px}
.ft-logo img{width:24px;height:24px}
.dc{margin:0 0 14px;padding:12px 14px}
.ov-hdr,.sec-label{padding:8px 16px}
}