:root{--ink:#0a2e4b;--blue:#199ad7;--blue-deep:#0875b4;--ice:#f2f9fd;--line:#d8e8f0;--white:#fff;--muted:#6d8391;--shadow:0 24px 70px rgba(20,83,115,.14);font-family:Inter,"Segoe UI","Noto Sans TC",Arial,sans-serif;color:var(--ink);background:#f4f9fc}
*[hidden]{display:none!important}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 15% 5%,#dff5ff 0,transparent 34%),#f5f9fb}button,input,textarea{font:inherit}button{cursor:pointer}.login-shell{min-height:100vh;display:grid;place-items:center;padding:28px}.login-card{width:min(440px,100%);background:rgba(255,255,255,.92);border:1px solid rgba(176,216,235,.9);border-radius:34px;padding:48px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.brand-mark{width:70px;height:70px;border-radius:20px;background:linear-gradient(145deg,#74d6fa,var(--blue-deep));display:grid;place-items:center;color:#fff;box-shadow:0 14px 30px rgba(25,154,215,.28);position:relative}.brand-mark:before{content:"EM";font-size:22px;font-weight:800}.brand-mark span{position:absolute;top:7px;right:10px;font-weight:900}.brand-mark.small{width:46px;height:46px;border-radius:14px}.brand-mark.small:before{font-size:15px}.brand-mark.small span{font-size:11px;top:3px;right:7px}.eyebrow{font-size:11px;letter-spacing:.16em;color:var(--blue-deep);font-weight:800;margin:24px 0 8px}.login-card h1{font-size:36px;line-height:1.05;margin:0 0 12px}.muted,.hint,.section-intro p,.settings-card p{color:var(--muted);line-height:1.65}.stack{display:grid;gap:18px;margin-top:28px}.stack label{display:grid;gap:8px;font-weight:700;font-size:13px}.stack label span{color:var(--muted);font-weight:500;float:right}.stack input,.field-card input,.field-card textarea,.search input{width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);padding:13px 15px;outline:none;transition:.2s}.stack input:focus,.field-card input:focus,.field-card textarea:focus,.search input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(25,154,215,.12)}.primary,.secondary{border:0;border-radius:14px;padding:13px 18px;font-weight:800;transition:.2s}.primary{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;box-shadow:0 9px 20px rgba(8,117,180,.22)}.primary:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(8,117,180,.3)}.primary:disabled{opacity:.55;cursor:not-allowed;transform:none}.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.error{color:#b43838;min-height:20px;margin:0;font-size:13px}.admin-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:260px;background:#092e4a;color:#fff;padding:30px 20px;display:flex;flex-direction:column;z-index:30}.side-brand{display:flex;gap:13px;align-items:center;padding:0 8px 28px;border-bottom:1px solid rgba(255,255,255,.1)}.side-brand strong{display:block;font-size:16px}.side-brand small{display:block;color:#9ec2d5;margin-top:3px}.sidebar nav{display:grid;gap:7px;margin-top:28px}.nav-item{display:flex;align-items:center;gap:14px;color:#b9d0dc;background:transparent;border:0;border-radius:15px;padding:12px;text-align:left}.nav-item b{width:38px;height:38px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.12);border-radius:11px}.nav-item span{font-weight:700}.nav-item small{display:block;font-size:11px;color:#789fb5;margin-top:2px}.nav-item.active,.nav-item:hover{background:rgba(77,188,238,.14);color:#fff}.nav-item.active b{background:var(--blue);border-color:var(--blue)}.logout{margin-top:auto;background:transparent;border:1px solid rgba(255,255,255,.16);border-radius:13px;padding:12px;color:#cbe0ea}.workspace{margin-left:260px;min-height:100vh}.topbar{position:sticky;top:0;z-index:20;min-height:100px;background:rgba(245,249,251,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:20px 38px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar .eyebrow{margin:0 0 3px}.topbar h1{margin:0;font-size:26px}.top-actions{display:flex;align-items:center;gap:16px}.save-state{font-size:12px;color:var(--muted)}.menu{display:none}.panel-view{padding:34px 38px 70px;max-width:1500px;margin:auto}.toolbar,.section-intro{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.segmented{display:flex;background:#e8f3f8;border-radius:14px;padding:4px}.segmented button{border:0;background:transparent;border-radius:11px;padding:10px 18px;color:var(--muted);font-weight:800}.segmented button.active{background:#fff;color:var(--blue-deep);box-shadow:0 4px 15px rgba(18,72,99,.1)}.search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:14px;padding-left:14px;min-width:280px}.search input{border:0;padding-left:0}.search input:focus{box-shadow:none}.hint{font-size:13px}.field-groups{display:grid;gap:22px}.field-group{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 8px 30px rgba(20,83,115,.05)}.field-group h2{font-size:15px;margin:0 0 18px;text-transform:capitalize}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field-card{display:grid;gap:7px}.field-card.full{grid-column:1/-1}.field-card label{font-size:12px;font-weight:800;color:#466478}.field-card code{font-size:10px;color:#91a4af;font-family:ui-monospace,monospace}.field-card textarea{min-height:94px;resize:vertical;line-height:1.5}.section-intro h2,.settings-card h2{margin:0 0 7px;font-size:24px}.section-intro p,.settings-card p{margin:0}.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.image-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 8px 30px rgba(20,83,115,.05)}.image-preview{aspect-ratio:4/3;background:linear-gradient(135deg,#e8f6fd,#f8fcfe);display:grid;place-items:center;overflow:hidden}.image-preview img{width:100%;height:100%;object-fit:contain}.image-info{padding:18px}.image-info h3{margin:0 0 5px;font-size:16px}.image-info p{margin:0 0 14px;font-size:11px;color:var(--muted);overflow-wrap:anywhere}.file-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;padding:10px 14px;font-size:12px;font-weight:800;color:var(--blue-deep);background:#fff}.file-button input{display:none}.history-list{display:grid;gap:10px}.history-row{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;display:flex;justify-content:space-between;align-items:center}.history-row strong{font-size:14px}.history-row small{display:block;color:var(--muted);margin-top:4px}.history-empty{background:#fff;border:1px dashed var(--line);border-radius:18px;padding:40px;text-align:center;color:var(--muted)}.settings-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;max-width:600px;box-shadow:0 8px 30px rgba(20,83,115,.05)}.settings-card .eyebrow{margin-top:0}.narrow{max-width:430px}.toast{position:fixed;right:24px;bottom:24px;z-index:100;background:#092e4a;color:#fff;padding:13px 18px;border-radius:13px;box-shadow:var(--shadow);opacity:0;transform:translateY(16px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:none}.toast.error-toast{background:#9e3434}
@media(max-width:1000px){.sidebar{transform:translateX(-105%);transition:.25s}.sidebar.open{transform:none}.workspace{margin-left:0}.menu{display:block;border:0;background:#fff;border-radius:12px;padding:10px 12px}.image-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.login-card{padding:34px 25px;border-radius:27px}.topbar{padding:16px;min-height:86px}.topbar .save-state{display:none}.topbar h1{font-size:20px}.topbar .primary{font-size:0;padding:12px}.topbar .primary:after{content:"Save";font-size:13px}.panel-view{padding:24px 16px 60px}.toolbar,.section-intro{align-items:stretch;flex-direction:column}.search{min-width:0}.fields,.image-grid{grid-template-columns:1fr}.field-card.full{grid-column:auto}.field-group{padding:18px}.image-card{border-radius:18px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}