:root {
  color-scheme: dark;
  --bg: #090f1f;
  --surface: #111a2f;
  --surface-raised: #17233d;
  --line: #263757;
  --line-light: #344968;
  --text: #f2f6ff;
  --muted: #9aa9c6;
  --subtle: #70809f;
  --blue: #81b0ff;
  --blue-strong: #b3ceff;
  --mint: #5ee0b2;
  --danger: #ff9baa;
  --shadow: 0 24px 80px rgba(0, 0, 0, .34);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { min-width: 320px; min-height: 100vh; margin: 0; color: var(--text); background: radial-gradient(760px 420px at 3% -8%, rgba(45, 85, 174, .3), transparent 70%), radial-gradient(600px 360px at 100% 12%, rgba(58, 105, 184, .13), transparent 70%), var(--bg); }
body::before { position: fixed; z-index: -1; inset: 0; content: ""; opacity: .22; pointer-events: none; background-image: linear-gradient(rgba(133, 169, 236, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(133, 169, 236, .08) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, black, transparent 62%); }
button, input { font: inherit; }
button { cursor: pointer; }
.app-shell { width: min(1220px, calc(100% - 48px)); margin: 0 auto; }

.topbar { min-height: 82px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(52, 73, 104, .48); }
.top-actions { display: flex; align-items: center; gap: 10px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--text); text-decoration: none; font-size: 1.05rem; font-weight: 790; letter-spacing: -.035em; }
.brand-mark, .empty-icon { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 9px; color: #09172d; background: linear-gradient(135deg, #a7d1ff, #8495ff); font-size: 19px; font-weight: 900; box-shadow: 0 7px 20px rgba(105, 157, 255, .22); }
.brand-divider { width: 1px; height: 17px; margin-left: 3px; background: var(--line-light); }
.brand small { color: var(--subtle); font-size: .72rem; font-weight: 650; letter-spacing: .02em; }
.language-button { min-width: 43px; min-height: 36px; padding: 0 10px; border: 1px solid var(--line); border-radius: 9px; color: var(--blue-strong); background: rgba(255,255,255,.025); font-size: .73rem; font-weight: 780; letter-spacing: .05em; transition: .16s ease; }
.language-button:hover { border-color: #48658f; color: #e2edff; background: rgba(255,255,255,.06); }

.button { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; gap: 8px; padding: 0 15px; border: 1px solid transparent; border-radius: 10px; font-weight: 720; transition: transform .16s ease, background .16s ease, border-color .16s ease; }
.button:hover { transform: translateY(-1px); }
.button:disabled { opacity: .55; cursor: wait; transform: none; }
.button-primary { color: #071426; background: linear-gradient(135deg, #b9d5ff, #99bcff); box-shadow: 0 8px 24px rgba(100, 153, 255, .2); }
.button-primary:hover { background: #c9dfff; }
.button-quiet { border-color: var(--line); color: #c3d1e9; background: rgba(255,255,255,.015); }
.button-quiet:hover { border-color: #4a6389; background: rgba(255,255,255,.055); }
.button-full { width: 100%; }
.eyebrow { display: block; color: var(--blue); font-size: .68rem; font-weight: 780; letter-spacing: .14em; }

.login-view { min-height: calc(100vh - 82px); padding: 16px 0 96px; display: grid; place-items: center; }
.login-card { position: relative; width: min(100%, 416px); padding: 36px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(145deg, rgba(23,35,61,.93), rgba(14,23,42,.94)); box-shadow: var(--shadow); }
.login-card::before { position: absolute; top: -105px; right: -100px; width: 220px; height: 220px; border-radius: 50%; content: ""; pointer-events: none; background: rgba(97, 146, 255, .13); filter: blur(2px); }
h1, h2, h3, p { margin-top: 0; }
.login-card h1 { position: relative; margin: 9px 0; font-size: 2rem; letter-spacing: -.06em; }
.login-card > p, .page-intro p, .empty-state p { color: var(--muted); line-height: 1.55; }
form { margin-top: 26px; }
label { display: block; margin: 0 0 8px; color: #dce7fb; font-size: .84rem; font-weight: 660; }
label > span:last-child { color: var(--blue); }
label small { margin-left: 4px; color: var(--subtle); font-size: .74rem; font-weight: 530; }
input { width: 100%; min-height: 44px; padding: 0 12px; border: 1px solid #334765; border-radius: 9px; outline: none; color: var(--text); background: #0c1528; transition: border .16s, box-shadow .16s; }
input::placeholder { color: #637493; }
input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(121,168,255,.15); }
.password-field { position: relative; }
.password-field input { padding-right: 56px; }
.text-button { position: absolute; top: 50%; right: 9px; padding: 5px; border: 0; transform: translateY(-50%); color: var(--blue); background: none; font-size: .78rem; }
.form-error { min-height: 19px; margin: 12px 0 0; color: var(--danger); font-size: .82rem; }

.dashboard { padding: 50px 0 86px; }
.page-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.page-intro h1 { margin: 8px 0 7px; font-size: clamp(2.15rem, 5vw, 3.5rem); letter-spacing: -.07em; }
.page-intro p { margin: 0; }
.intro-side { display: flex; align-items: center; gap: 14px; padding-bottom: 4px; }
.sync-status { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: .75rem; white-space: nowrap; }
.sync-status i { display: block; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(94,224,178,.1); }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 214px)); gap: 14px; margin-bottom: 34px; }
.stat-card { display: flex; min-height: 94px; align-items: center; gap: 13px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(135deg, rgba(23,35,61,.85), rgba(14,23,42,.75)); }
.stat-icon { display: grid; width: 36px; height: 36px; flex: 0 0 auto; place-items: center; border: 1px solid rgba(143,194,255,.2); border-radius: 11px; color: var(--blue-strong); background: rgba(99, 151, 255, .1); font-size: 1.2rem; font-weight: 800; }
.visits-icon { color: #9dd6ff; background: rgba(92, 188, 255, .09); }
.stat-card > div > span { display: block; color: var(--muted); font-size: .76rem; }
.stat-card strong { display: block; margin-top: 3px; font-size: 1.55rem; letter-spacing: -.045em; }
.links-panel { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: linear-gradient(135deg, rgba(18,28,50,.85), rgba(12,20,37,.8)); box-shadow: 0 18px 55px rgba(0,0,0,.16); }
.panel-header { display: flex; min-height: 96px; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 24px; border-bottom: 1px solid var(--line); }
.panel-header h2 { margin: 0; font-size: 1.06rem; letter-spacing: -.035em; }
.panel-header p { margin: 5px 0 0; color: var(--muted); font-size: .79rem; }
.search { position: relative; width: min(100%, 310px); margin: 0; }
.search > span { position: absolute; top: 9px; left: 12px; color: var(--subtle); font-size: 1.22rem; line-height: 1; }
.search input { min-height: 38px; padding-right: 43px; padding-left: 34px; font-size: .84rem; }
kbd { position: absolute; top: 10px; right: 9px; padding: 2px 4px; border: 1px solid #344862; border-radius: 4px; color: var(--subtle); font-family: inherit; font-size: .65rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 1160px; border-collapse: collapse; }
th { height: 43px; padding: 0 24px; color: var(--subtle); text-align: left; font-size: .67rem; font-weight: 730; letter-spacing: .07em; text-transform: uppercase; }
td { height: 75px; padding: 12px 24px; border-top: 1px solid rgba(39,52,84,.75); font-size: .86rem; }
tr:first-child td { border-top: 0; }
tr:hover td { background: rgba(150, 183, 241, .03); }
.number { text-align: right; }
.remark-cell { width: 15%; min-width: 130px; max-width: 200px; overflow: hidden; color: #c6d3eb; text-overflow: ellipsis; white-space: nowrap; }
.code-cell { min-width: 196px; }
.short-code-control { display: inline-flex; align-items: center; gap: 6px; }
.qr-control { position: relative; display: inline-flex; }
.qr-trigger { display: inline-grid; width: 26px; height: 26px; place-items: center; padding: 0; border: 1px solid transparent; border-radius: 7px; color: var(--subtle); background: transparent; }
.qr-trigger svg { width: 16px; height: 16px; fill: currentColor; }
.qr-trigger:hover, .qr-trigger:focus-visible { border-color: var(--line); color: var(--blue-strong); background: rgba(129,176,255,.09); outline: none; }
.qr-popover { position: absolute; z-index: 4; top: calc(100% + 9px); left: -14px; display: grid; width: 202px; padding: 13px; place-items: center; border: 1px solid #395073; border-radius: 13px; color: var(--text); background: #10192c; box-shadow: var(--shadow); }
.qr-popover[hidden] { display: none !important; }
.qr-canvas, .qr-canvas canvas { display: block; width: 176px; height: 176px; border-radius: 6px; image-rendering: pixelated; background: #fff; }
.qr-caption { margin: 9px 0 8px; color: var(--muted); font-size: .72rem; }
.qr-download { width: 100%; min-height: 31px; border: 1px solid var(--line); border-radius: 7px; color: #c3d1e9; background: rgba(255,255,255,.025); font-size: .74rem; font-weight: 680; }
.qr-download:hover { border-color: #4a6389; color: var(--text); background: rgba(255,255,255,.065); }
.short-url { display: block; max-width: 170px; overflow: hidden; color: var(--blue-strong); text-overflow: ellipsis; white-space: nowrap; text-decoration: none; font-weight: 700; }
.short-url:hover, .destination:hover { text-decoration: underline; }
.expiry { display: inline-block; color: #a6b9d9; font-size: .78rem; line-height: 1.25; white-space: nowrap; }
.expiry-never { color: #7183a5; }
.destination { display: block; max-width: 360px; overflow: hidden; color: #c0cde5; text-overflow: ellipsis; white-space: nowrap; text-decoration: none; }
.destination:hover { color: var(--text); }
.date { color: var(--muted); font-size: .78rem; white-space: nowrap; }
.row-actions { display: flex; align-items: center; justify-content: flex-end; gap: 7px; }
.row-action, .icon-button { min-height: 32px; padding: 0 8px; border: 1px solid transparent; border-radius: 8px; color: var(--muted); background: transparent; font-size: .77rem; }
.row-action:hover, .icon-button:hover { border-color: var(--line); color: var(--text); background: rgba(255,255,255,.045); }
.row-action.delete:hover { color: var(--danger); }
.loading-state { display: grid; min-height: 215px; place-content: center; justify-items: center; gap: 12px; color: var(--muted); font-size: .86rem; }
.spinner { width: 22px; height: 22px; border: 2px solid #334260; border-top-color: var(--blue); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(1turn); } }
.empty-state { display: grid; min-height: 280px; padding: 30px; place-content: center; justify-items: center; text-align: center; }
.empty-icon { width: 42px; height: 42px; margin-bottom: 13px; border-radius: 13px; font-size: 24px; }
.empty-state h3 { margin: 0; font-size: 1rem; }
.empty-state p { margin: 7px 0 17px; font-size: .86rem; }

dialog { width: min(calc(100% - 32px), 540px); max-height: calc(100vh - 32px); padding: 0; overflow: auto; border: 0; color: var(--text); background: transparent; }
dialog::backdrop { background: rgba(1,5,15,.76); backdrop-filter: blur(4px); }
.dialog-card { margin: 0; padding: 29px; border: 1px solid #395073; border-radius: 18px; background: linear-gradient(145deg, #17233d, #10192c); box-shadow: var(--shadow); }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.dialog-header h2 { margin: 7px 0 0; font-size: 1.4rem; letter-spacing: -.045em; }
.icon-button { font-size: 1.35rem; line-height: 1; }
.form-field { margin-top: 18px; }
.field-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.field-heading label { margin-bottom: 8px; }
.field-note { color: var(--subtle); font-size: .7rem; white-space: nowrap; }
.code-field { display: flex; min-height: 44px; align-items: center; gap: 7px; }
.code-prefix { display: block; max-width: 48%; overflow: hidden; color: var(--subtle); text-overflow: ellipsis; white-space: nowrap; font-size: .81rem; }
.code-slash { flex: 0 0 auto; color: var(--line-light); font-size: 1.05rem; font-weight: 700; }
.code-field input { min-width: 0; flex: 1; }
.field-help { display: flex; align-items: flex-start; gap: 6px; margin: 8px 0 0; color: var(--subtle); font-size: .74rem; line-height: 1.4; }
.clear-expiry { padding: 0; border: 0; color: var(--blue); background: transparent; font-size: .74rem; font-weight: 650; }
.clear-expiry:hover { color: var(--blue-strong); text-decoration: underline; }
.expiry-days-field { display: flex; align-items: center; gap: 10px; }
.expiry-days-field input { width: 144px; }
.expiry-days-field > span { color: var(--muted); font-size: .83rem; font-weight: 650; }
.help-dot { display: inline-grid; width: 14px; height: 14px; flex: 0 0 auto; place-items: center; margin-top: 1px; border: 1px solid #3e5274; border-radius: 50%; color: #9eb0d0; font-size: .61rem; font-weight: 800; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 27px; padding-top: 18px; border-top: 1px solid var(--line); }
.api-dialog-card { max-width: 640px; }
.api-guide { margin-top: 18px; padding: 15px; border: 1px solid rgba(77, 105, 147, .7); border-radius: 12px; background: rgba(7, 14, 29, .38); }
.api-guide > p { margin-bottom: 13px; color: var(--muted); font-size: .81rem; line-height: 1.5; }
.api-endpoint { display: flex; align-items: center; gap: 8px; min-width: 0; padding: 9px 10px; border: 1px solid #2d4161; border-radius: 8px; background: #0a1325; }
.api-endpoint span { flex: 0 0 auto; color: var(--mint); font-size: .69rem; font-weight: 800; letter-spacing: .07em; }
.api-endpoint code { overflow: hidden; color: #c7dbfc; text-overflow: ellipsis; white-space: nowrap; font-size: .75rem; }
.api-guide pre { max-height: 155px; margin: 12px 0 0; padding: 11px; overflow: auto; border: 1px solid #263957; border-radius: 8px; color: #b5c9eb; background: #091224; font: .7rem/1.55 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; white-space: pre-wrap; }
.api-key-form { margin-top: 19px; }
.api-create-row { display: flex; gap: 10px; }
.api-create-row input { min-width: 0; flex: 1; }
.api-create-row .button { flex: 0 0 auto; }
.api-key-result { margin-top: 16px; padding: 14px; border: 1px solid rgba(94,224,178,.38); border-radius: 12px; background: rgba(58, 167, 137, .08); }
.api-key-result strong { font-size: .84rem; }
.api-key-result p { margin: 4px 0 12px; color: var(--muted); font-size: .76rem; line-height: 1.45; }
.api-key-value { display: flex; gap: 8px; }
.api-key-value input { min-width: 0; min-height: 38px; flex: 1; color: #c8f5e6; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: .74rem; }
.api-key-value .button { min-height: 38px; }
.api-key-list-section { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.api-key-list-section h3 { margin: 0; color: #dce7fb; font-size: .84rem; }
.api-key-list { margin-top: 10px; overflow: hidden; border: 1px solid #2d4161; border-radius: 10px; }
.api-key-row { display: flex; min-height: 67px; align-items: center; justify-content: space-between; gap: 13px; padding: 10px 12px; border-top: 1px solid #263957; background: rgba(8, 16, 31, .28); }
.api-key-row:first-child { border-top: 0; }
.api-key-row > div { min-width: 0; }
.api-key-row strong, .api-key-row code, .api-key-row span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.api-key-row strong { color: #dbe7fb; font-size: .8rem; }
.api-key-row code { margin-top: 3px; color: #a6bbdf; font: .7rem ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.api-key-row span { margin-top: 3px; color: var(--subtle); font-size: .7rem; }
.api-key-status { flex: 0 0 auto; margin: 0 !important; padding: 4px 7px; border: 1px solid rgba(255,155,170,.28); border-radius: 6px; color: var(--danger) !important; font-size: .68rem !important; }
.api-key-empty { margin: 0; padding: 18px; color: var(--subtle); text-align: center; font-size: .79rem; }
.toast { position: fixed; z-index: 2; bottom: 24px; left: 50%; max-width: calc(100% - 32px); padding: 11px 14px; border-radius: 9px; transform: translate(-50%, 18px); color: #0c1728; background: #dceaff; box-shadow: var(--shadow); font-size: .83rem; font-weight: 690; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

@media (max-width: 650px) {
  .app-shell { width: min(100% - 28px, 1220px); }
  .topbar { min-height: 70px; }
  .brand-divider, .brand small { display: none; }
  .dashboard { padding-top: 30px; }
  .page-intro { display: block; margin-bottom: 26px; }
  .intro-side { justify-content: space-between; margin-top: 20px; padding: 0; }
  .page-intro .button { flex: 1; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 26px; }
  .stat-card { min-height: 84px; gap: 9px; padding: 12px; }
  .stat-icon { width: 31px; height: 31px; border-radius: 9px; font-size: 1rem; }
  .stat-card strong { font-size: 1.3rem; }
  .panel-header { display: block; min-height: 0; padding: 18px; }
  .search { width: 100%; margin-top: 16px; }
  .login-card { padding: 29px 23px; }
  .dialog-card { padding: 24px 20px; }
  .dialog-actions .button { flex: 1; }
  .code-prefix { max-width: 42%; }
  .api-create-row, .api-key-value { display: block; }
  .api-create-row .button, .api-key-value .button { width: 100%; margin-top: 9px; }
}