frontend/src/App.css

.page { min-height: 100%; display: flex; flex-direction: column; }

/* ── Nav ── */
.nav {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 28px; border-bottom: 1px solid var(--line);
  background: rgba(17, 20, 27, 0.7); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-size: 18px; font-weight: 700; color: var(--head); letter-spacing: -0.2px; }
.brand-mark { margin-right: 4px; }
.brand-sub { font-size: 13px; color: var(--dim); }
.nav-badge {
  margin-left: auto; font-size: 11px; font-weight: 600; color: var(--brand);
  background: var(--brand-soft); border: 1px solid rgba(99,102,241,.3);
  padding: 4px 10px; border-radius: 99px;
}

/* ── Layout ── */
.wrap { flex: 1; width: 100%; max-width: 980px; margin: 0 auto; padding: 56px 24px; }
.foot { text-align: center; padding: 26px 24px; border-top: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; gap: 7px; }
.foot-dev { font-size: 14px; color: var(--text); }
.foot-name { color: var(--head); font-weight: 700; }
.foot-links { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; }
.foot-link { color: var(--brand); text-decoration: none; font-weight: 600; font-size: 13px; }
.foot-link:hover { text-decoration: underline; }
.foot-meta { font-size: 11.5px; color: var(--dim); margin-top: 2px; }

.fade { animation: fade .45s ease both; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ── Intro ── */
.intro { text-align: center; display: flex; flex-direction: column; align-items: center; }
.pill {
  font-size: 12px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase;
  color: var(--brand); background: var(--brand-soft); border: 1px solid rgba(99,102,241,.25);
  padding: 5px 14px; border-radius: 99px; margin-bottom: 18px;
}
.intro h1 {
  font-size: 42px; font-weight: 800; margin: 0 0 12px; letter-spacing: -1.2px;
  background: linear-gradient(180deg, #fff, #aab); -webkit-background-clip: text;
  background-clip: text; color: transparent;
}
.intro p { max-width: 540px; color: var(--dim); margin: 0 0 30px; }
.trust-row {
  display: flex; flex-wrap: wrap; gap: 10px 18px; justify-content: center;
  margin-top: 26px; font-size: 12.5px; color: var(--dim);
}
.trust-row span { white-space: nowrap; }

/* ── Dropzone ── */
.drop {
  width: 100%; max-width: 520px; padding: 48px 24px; cursor: pointer;
  background: linear-gradient(180deg, var(--card), var(--bg-soft));
  border: 1.5px dashed var(--line); border-radius: 18px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  transition: border-color .18s, background .18s, transform .18s, box-shadow .18s;
}
.drop:hover, .drop.drag {
  border-color: var(--brand); background: var(--brand-soft);
  transform: translateY(-2px); box-shadow: 0 12px 40px -12px rgba(99,102,241,.5);
}
.drop-icon {
  width: 50px; height: 50px; display: grid; place-items: center; border-radius: 14px;
  background: var(--brand-soft); color: var(--brand); font-size: 22px; margin-bottom: 10px;
}
.drop-title { font-size: 16px; font-weight: 600; color: var(--head); }
.drop-sub { font-size: 13px; color: var(--dim); }
.drop-cta {
  margin-top: 14px; font-size: 13px; font-weight: 600; color: #fff;
  background: var(--brand); padding: 8px 20px; border-radius: 9px;
}

/* ── Status ── */
.status { display: flex; flex-direction: column; align-items: center; gap: 12px; padding-top: 56px; text-align: center; }
.status-main { font-size: 17px; color: var(--head); margin: 6px 0 0; }
.status-sub { font-size: 14px; color: var(--dim); margin: 0; }
.status-bad { font-size: 40px; }
.ring { width: 46px; height: 46px; border: 3px solid var(--line); border-top-color: var(--brand);
  border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Buttons ── */
.btn { padding: 9px 18px; border: none; border-radius: 9px; cursor: pointer;
  background: var(--brand); color: #fff; font-size: 14px; font-weight: 600; transition: opacity .15s, transform .1s; }
.btn:hover { opacity: .9; }
.btn:active { transform: scale(.97); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn.ghost:hover { border-color: var(--brand); color: #fff; opacity: 1; }

/* ── Verdict banner ── */
.verdict {
  display: flex; align-items: center; gap: 20px; padding: 22px 24px;
  border-radius: 16px; margin-bottom: 22px; border: 1px solid var(--line);
  background: var(--card); box-shadow: 0 8px 30px -16px rgba(0,0,0,.6);
}
.verdict.good { border-color: rgba(34,197,94,.4);  background: linear-gradient(100deg, rgba(34,197,94,.12), var(--card) 55%); }
.verdict.bad  { border-color: rgba(239,68,68,.45); background: linear-gradient(100deg, rgba(239,68,68,.14), var(--card) 55%); }
.verdict.warn { border-color: rgba(245,158,11,.45);background: linear-gradient(100deg, rgba(245,158,11,.14), var(--card) 55%); }

/* circular gauge */
.gauge { position: relative; width: 84px; height: 84px; flex: none; }
.gauge-bg { fill: none; stroke: var(--bg-soft); stroke-width: 8; }
.gauge-fg { fill: none; stroke-width: 8; stroke-linecap: round; transition: stroke-dasharray .7s ease; }
.gauge-fg.good { stroke: var(--good); }
.gauge-fg.bad  { stroke: var(--bad); }
.gauge-fg.warn { stroke: var(--warn); }
.gauge-label { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.gauge-num { font-size: 22px; font-weight: 800; color: var(--head); line-height: 1; }
.gauge-num small { font-size: 11px; font-weight: 600; }
.gauge-cap { font-size: 9px; text-transform: uppercase; letter-spacing: .5px; color: var(--dim); margin-top: 2px; }

.verdict-text { flex: 1; }
.verdict-row { display: flex; align-items: center; gap: 10px; }
.verdict-badge {
  width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  font-size: 15px; font-weight: 800; color: #fff;
}
.verdict.good .verdict-badge { background: var(--good); }
.verdict.bad  .verdict-badge { background: var(--bad); }
.verdict.warn .verdict-badge { background: var(--warn); }
.verdict-label { font-size: 23px; font-weight: 800; color: var(--head); letter-spacing: .3px; }
.verdict-note { font-size: 14px; color: var(--dim); margin-top: 4px; }

/* ── Grid ── */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }

/* ── Card ── */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: #33384a; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-head h2 { font-size: 14px; font-weight: 600; color: var(--head); margin: 0; }
.hint { font-size: 12px; color: var(--dim); text-align: center; margin: 12px 0 0; }

/* ── Toggle ── */
.toggle { display: flex; gap: 4px; background: var(--bg-soft); padding: 3px; border-radius: 9px; }
.toggle button { border: none; background: transparent; color: var(--dim); font-size: 12px; font-weight: 600;
  padding: 5px 13px; border-radius: 7px; cursor: pointer; transition: background .15s, color .15s; }
.toggle button.on { background: var(--card-2); color: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.3); }

/* ── Image frame ── */
.frame { position: relative; border-radius: 12px; overflow: hidden; background: var(--bg-soft);
  min-height: 220px; display: grid; place-items: center; border: 1px solid var(--line); }
.frame-base { width: 100%; display: block; }
.frame-heat { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  mix-blend-mode: screen; opacity: .8; animation: fade .4s ease; }

/* ── Bars ── */
.bars { display: flex; flex-direction: column; gap: 12px; }
.bar { display: flex; align-items: center; gap: 10px; }
.bar-ico { width: 18px; text-align: center; font-size: 14px; }
.bar-name { width: 96px; font-size: 13px; color: var(--text); text-transform: capitalize; }
.bar-track { flex: 1; height: 8px; border-radius: 99px; background: var(--bg-soft); overflow: hidden; }
.bar-fill { height: 100%; border-radius: 99px; transition: width .7s cubic-bezier(.3,.8,.3,1); }
.bar-fill.good { background: linear-gradient(90deg, #16a34a, var(--good)); }
.bar-fill.warn { background: linear-gradient(90deg, #d97706, var(--warn)); }
.bar-fill.bad  { background: linear-gradient(90deg, #dc2626, var(--bad)); }
.bar-pct { width: 38px; text-align: right; font-size: 12px; color: var(--dim); font-variant-numeric: tabular-nums; }

/* ── Evidence ── */
.evidence { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.evidence h3 { font-size: 13px; font-weight: 600; color: var(--head); margin: 0 0 8px; }
.evidence ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
.evidence li { font-size: 13px; color: var(--dim); }