/* Dental Shift – TikTok Ads dashboard */
:root {
  --bg: #F4F5F7;
  --panel: #FFFFFF;
  --fg: #17202A;
  --fg-muted: #66707F;
  --border: #E3E6EA;
  --accent: #22C9D6;
  --accent-ink: #0E8F9A;
  --series2: #7B8794;
  --doc1: #22C9D6;
  --doc2: #5B6EE1;
  --doc3: #E8A33D;
  --ok: #1E8E5A;
  --warn: #B7791F;
  --bad: #C8352E;
  --grid: #ECEEF1;
  --axis: #C9CED6;
  --popover: #FFFFFF;
  --shadow: 0 6px 20px rgba(16, 24, 40, 0.12);
  --skeleton: #E9ECEF;
  --skeleton-hi: #F6F7F9;
  --radius: 12px;
  --radius-sm: 8px;
  --gap-xs: 4px;
  --gap-sm: 8px;
  --gap-md: 16px;
  --gap-lg: 24px;
  --gap-xl: 40px;
  --fs-caption: 12.5px;
  --fs-body: 14.5px;
  --fs-heading: 16px;
  --fs-title: 24px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0F1216;
    --panel: #171B21;
    --fg: #E8EBEF;
    --fg-muted: #98A2B3;
    --border: #2A3038;
    --accent-ink: #5FD9E3;
    --series2: #9AA5B4;
    --doc2: #7C8CF0;
    --doc3: #F0B75A;
    --ok: #4CC38A;
    --warn: #E3B341;
    --bad: #F2655A;
    --grid: #232930;
    --axis: #3A424D;
    --popover: #1E242C;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    --skeleton: #20262E;
    --skeleton-hi: #2A313A;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
}
.tt { max-width: 1200px; margin: 0 auto; padding: var(--gap-lg) 16px var(--gap-lg); }
.tt h1 { font-weight: 600; font-size: var(--fs-title); line-height: 1.2; margin: 0 0 var(--gap-xs); letter-spacing: -0.01em; }
.tt h2 { font-size: var(--fs-heading); font-weight: 600; margin: 0 0 var(--gap-xs); }
.tt p { margin: 0; }
.tt a { color: var(--accent-ink); }

/* header / footer */
.hdr { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--gap-md); flex-wrap: wrap; margin-bottom: var(--gap-md); }
.hdr-text { min-width: 0; }
.hdr .sub { color: var(--fg-muted); font-size: var(--fs-caption); }
.brand { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; margin-left: auto; }
.brand-logo { height: 34px; width: auto; display: block; }
.brand-by { font-size: 11px; color: var(--fg-muted); letter-spacing: .06em; text-transform: uppercase; }
.foot { display: flex; justify-content: center; align-items: center; gap: var(--gap-sm); margin-top: var(--gap-xl); padding-top: var(--gap-md); border-top: 1px solid var(--border); color: var(--fg-muted); font-size: var(--fs-caption); }
.foot img { height: 22px; width: auto; display: block; }

/* tabs */
.tabs { display: flex; gap: var(--gap-xs); flex-wrap: wrap; margin-bottom: var(--gap-md); }
.tabs:empty { display: none; }
.tabs button, .subsel button {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 6px 14px; font: inherit; color: var(--fg); cursor: pointer; line-height: 1.3;
}
.tabs button:hover, .subsel button:hover { border-color: var(--fg-muted); }
.tabs button[aria-selected="true"], .subsel button[aria-selected="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.tabs button:focus-visible, .subsel button:focus-visible, .filters button:focus-visible, .filters input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* sub-selector (All doctors view) */
.subsel-wrap { display: flex; align-items: center; gap: var(--gap-sm); flex-wrap: wrap; margin: var(--gap-xs) 0 calc(-1 * var(--gap-sm)); }
.subsel-lbl { color: var(--fg-muted); font-size: var(--fs-caption); }
.subsel { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; background: var(--panel); }
.subsel button { border: 0; border-radius: 0; border-right: 1px solid var(--border); padding: 5px 12px; font-size: var(--fs-caption); }
.subsel button:last-child { border-right: 0; }

/* takeaway + filters */
.take { color: var(--fg-muted); font-size: var(--fs-body); margin: 0 0 var(--gap-md); min-height: 1.4em; }
.filters { display: flex; gap: var(--gap-sm); align-items: center; flex-wrap: wrap; margin-bottom: var(--gap-md); font-size: var(--fs-caption); color: var(--fg-muted); }
.filters label { display: inline-flex; align-items: center; gap: 4px; }
.filters input { font: inherit; color: var(--fg); background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 3px 6px; min-width: 0; max-width: 11rem; color-scheme: light dark; }
.filters button { font: inherit; color: var(--fg); background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 3px 10px; cursor: pointer; }
.filters button:hover { border-color: var(--fg-muted); }
.filters .f-label { margin-left: auto; }

/* layout */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: var(--gap-md); margin-bottom: var(--gap-md); }
.grid:empty { display: none; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; min-width: 0; }
.card .note { color: var(--fg-muted); font-size: var(--fs-caption); margin: 0 0 var(--gap-md); }
.wide { grid-column: 1 / -1; }
.rel { position: relative; }
.page[hidden], [hidden] { display: none !important; }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap-sm); }
.kpi { min-width: 0; }
.kpi .lbl { color: var(--fg-muted); font-size: var(--fs-caption); }
.big { font-weight: 600; font-size: calc(var(--fs-title) * 1.4); line-height: 1.1; letter-spacing: -0.02em; white-space: nowrap; }
.card:not(.wide) .big { font-size: clamp(20px, 1.6vw + 8px, 28px); }
.kpi .delta { font-size: var(--fs-caption); display: block; margin-top: 2px; }
.up { color: var(--ok); } .down { color: var(--bad); } .flat { color: var(--fg-muted); }
@media (max-width: 480px) { .big { font-size: 22px; } .card { padding: 14px 14px; } }

/* tables */
.tscroll { overflow: auto; max-height: 34rem; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-caption); }
table.camp { min-width: 880px; }
table.assets { min-width: 480px; }
table.assets .cap { max-width: 16rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { color: var(--fg-muted); font-weight: 500; white-space: nowrap; position: sticky; top: 0; background: var(--panel); z-index: 1; }
td.num, th.num { text-align: right; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
.cap { max-width: 34rem; white-space: normal; overflow-wrap: anywhere; display: inline-block; }
.cap .cp { color: var(--fg-muted); display: block; }
.cap a { color: inherit; text-decoration: none; }
.cap a:hover { text-decoration: underline; }
td.pv { width: 64px; }
td.pv img { width: 56px; height: 80px; object-fit: cover; border-radius: 6px; display: block; border: 1px solid var(--border); background: var(--skeleton); }
.pv-link { font-size: var(--fs-caption); }
.legend { color: var(--fg-muted); font-size: var(--fs-caption); margin-top: var(--gap-sm); display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
.legend:empty { display: none; }
.legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.msg { color: var(--fg-muted); font-size: var(--fs-caption); }

/* tags */
.tag { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: var(--fs-caption); border: 1px solid var(--border); white-space: nowrap; line-height: 1.5; }
.tag.scale { color: var(--ok); border-color: currentColor; }
.tag.pause { color: var(--bad); border-color: currentColor; }
.tag.reduce { color: var(--warn); border-color: currentColor; }
.tag.hold, .tag.review { color: var(--fg-muted); }

/* sparkline */
.spark { width: 84px; height: 24px; display: block; }
.trend { display: inline-block; }

/* chart + tooltip */
.chart { min-height: 220px; }
.chart svg { display: block; width: 100%; height: auto; }
.chart text { font-family: var(--sans); font-size: 11px; }
.tip { position: absolute; background: var(--popover); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow); padding: 6px 10px; font-size: var(--fs-caption); pointer-events: none; display: none; z-index: 2; white-space: nowrap; }
.tip .th { color: var(--fg-muted); }
.tip .sw { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }

/* states */
.fail { display: flex; align-items: center; justify-content: center; gap: 6px; color: var(--fg-muted); font-size: var(--fs-caption); min-height: 60px; }
.fail::before { content: ""; width: .375rem; height: .375rem; border-radius: 50%; background: var(--bad); flex: none; }
.fail.noaccess::before { background: var(--warn); }
.skeleton { position: relative; overflow: hidden; border-radius: var(--radius-sm); background: var(--skeleton); color: transparent !important; min-height: 60px; }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, var(--skeleton-hi), transparent); animation: shimmer 1.4s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }
@media (prefers-reduced-motion: reduce) { .skeleton::after { animation: none; } }
.skel-card { min-height: 140px; }
.skel-row td { padding: 10px 8px; }
.skel-row .bar { display: block; height: 12px; border-radius: 6px; background: var(--skeleton); }

.empty { text-align: center; padding: 64px 16px; border: 1px dashed var(--border); border-radius: var(--radius); background: var(--panel); margin: var(--gap-lg) 0; }
.empty-title { font-size: var(--fs-heading); font-weight: 600; margin-bottom: 6px; }
.empty-sub { color: var(--fg-muted); font-size: var(--fs-caption); overflow-wrap: anywhere; }

/* ---- sign-in ---- */
.login { display: flex; justify-content: center; padding: 48px 0; }
.login-box { width: min(100%, 440px); background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.login-title { font-size: 1.15rem; font-weight: 600; margin-bottom: 6px; }
.login-sub { color: var(--muted); font-size: .9rem; margin: 0 0 16px; }
.login-row { display: flex; gap: 8px; }
.login-row input { flex: 1; min-width: 0; font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--fg); }
.login-row button { font: inherit; font-weight: 600; padding: 10px 16px; border: 0; border-radius: 8px; background: var(--accent); color: #06202a; cursor: pointer; white-space: nowrap; }
.login-row button[disabled] { opacity: .6; cursor: default; }
.login-msg { min-height: 1.2em; margin: 12px 0 0; font-size: .9rem; color: var(--muted); }
.login-msg.err { color: var(--bad); }
.who { margin: 4px 0 0; font-size: .85rem; color: var(--muted); }
.linkbtn { font: inherit; font-size: inherit; color: var(--accent); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }