/* ─── Local fonts (RGPD compliant — no external requests) ─── */
@font-face {
  font-family: 'Syne';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('/fonts/syne-latin-ext-400-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Syne';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('/fonts/syne-latin-400-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Syne';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('/fonts/syne-latin-ext-600-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Syne';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('/fonts/syne-latin-600-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Syne';
  font-style: normal; font-weight: 800; font-display: swap;
  src: url('/fonts/syne-latin-ext-800-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Syne';
  font-style: normal; font-weight: 800; font-display: swap;
  src: url('/fonts/syne-latin-800-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-ext-400-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-ext-600-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-600-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal; font-weight: 700; font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-ext-700-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal; font-weight: 700; font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-700-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ─── Dark theme (default) ─── */
:root, [data-theme="dark"] {
  --bg: #0a0b0e;
  --bg2: #111318;
  --bg3: #181c24;
  --border: #1e2330;
  --border2: #252d3d;
  --text: #e2e8f0;
  --muted: #6b7a99;
  --accent: #3b82f6;
  --accent2: #22d3ee;
  --accent3: #a78bfa;
  --success: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --pass: #34d399;
  --font-sans: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ─── Light theme ─── */
[data-theme="light"] {
  --bg: #f5f6f9;
  --bg2: #ffffff;
  --bg3: #eef0f5;
  --border: #d8dce8;
  --border2: #c8cde0;
  --text: #1a1d26;
  --muted: #6b7899;
  --accent: #2563eb;
  --accent2: #0891b2;
  --accent3: #7c3aed;
  --success: #059669;
  --warn: #d97706;
  --danger: #dc2626;
  --pass: #059669;
  --font-sans: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ─── Auto: follow OS preference ─── */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg: #f5f6f9;
    --bg2: #ffffff;
    --bg3: #eef0f5;
    --border: #d8dce8;
    --border2: #c8cde0;
    --text: #1a1d26;
    --muted: #6b7899;
    --accent: #2563eb;
    --accent2: #0891b2;
    --accent3: #7c3aed;
    --success: #059669;
    --warn: #d97706;
    --danger: #dc2626;
    --pass: #059669;
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* noise overlay */
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 999; opacity: .025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ─── Header ─── */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 100;
}

.logo {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--font-sans); font-size: 1.3rem; font-weight: 600;
  letter-spacing: -.02em;
}
.logo strong { color: var(--accent); font-weight: 800; }

.tagline {
  font-size: .72rem; color: var(--muted);
  font-family: var(--font-mono); letter-spacing: .04em;
}

/* ─── Main ─── */
main {
  max-width: 860px; margin: 0 auto; padding: 2.5rem 1.5rem;
}

/* ─── Input Card ─── */
.input-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.tabs {
  display: flex; border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

.tab {
  padding: .7rem 1.4rem;
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-family: var(--font-sans); font-size: .85rem; font-weight: 600;
  transition: color .15s, border-bottom .15s;
  border-bottom: 2px solid transparent;
  letter-spacing: .02em;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.tab:hover:not(.active) { color: var(--text); }

.tab-content { padding: 1.2rem; }
.hidden { display: none !important; }

textarea {
  width: 100%; min-height: 220px;
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: 8px; color: var(--text);
  font-family: var(--font-mono); font-size: .78rem; line-height: 1.7;
  padding: 1rem; resize: vertical;
  transition: border-color .15s;
  outline: none;
}
textarea:focus { border-color: var(--accent); }
textarea::placeholder { color: var(--muted); }

.input-actions {
  display: flex; justify-content: flex-end; gap: .6rem; margin-top: .8rem;
}

/* ─── Drop zone ─── */
.drop-zone {
  border: 2px dashed var(--border2); border-radius: 10px;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: .5rem; padding: 2.5rem 1rem;
  text-align: center; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.drop-zone.dragover { border-color: var(--accent); background: rgba(59,130,246,.05); }
.drop-zone p { color: var(--muted); font-size: .88rem; }
.drop-zone code {
  font-family: var(--font-mono); background: var(--bg3);
  padding: .1rem .4rem; border-radius: 4px; font-size: .82rem; color: var(--accent2);
}
.drop-zone span { font-size: .75rem; color: var(--muted); }

.file-selected {
  display: flex; align-items: center; gap: .5rem; margin-top: .5rem;
  background: rgba(59,130,246,.1); border: 1px solid rgba(59,130,246,.3);
  border-radius: 6px; padding: .3rem .7rem;
  font-family: var(--font-mono); font-size: .78rem; color: var(--accent2);
}
.remove-file {
  background: none; border: none; cursor: pointer; color: var(--muted);
  font-size: .9rem; line-height: 1;
}

/* ─── Buttons ─── */
.btn-primary {
  display: flex; align-items: center; gap: .4rem;
  background: var(--accent); color: #fff;
  border: none; border-radius: 7px;
  padding: .55rem 1.2rem; cursor: pointer;
  font-family: var(--font-sans); font-size: .85rem; font-weight: 700;
  letter-spacing: .02em; transition: opacity .15s, transform .1s;
}
.btn-primary:hover { opacity: .88; transform: translateY(-1px); }
.btn-primary:disabled { opacity: .4; pointer-events: none; }

.btn-secondary {
  background: var(--bg3); color: var(--text);
  border: 1px solid var(--border2); border-radius: 7px;
  padding: .55rem 1rem; cursor: pointer;
  font-family: var(--font-sans); font-size: .85rem; font-weight: 600;
  transition: border-color .15s;
}
.btn-secondary:hover { border-color: var(--muted); }

.btn-ghost {
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-family: var(--font-sans); font-size: .82rem;
  padding: .3rem .5rem; border-radius: 5px; transition: color .15s, background .15s;
}
.btn-ghost:hover { color: var(--text); background: var(--bg3); }
.btn-ghost.small { font-size: .75rem; margin-left: auto; }

/* ─── Privacy note ─── */
.privacy-note {
  display: flex; align-items: center; gap: .4rem;
  font-size: .72rem; color: var(--muted); margin-top: .9rem;
  font-family: var(--font-mono); letter-spacing: .02em;
}

/* ─── Loading ─── */
.loading {
  display: flex; align-items: center; gap: 1rem;
  justify-content: center; padding: 3rem;
  color: var(--muted); font-size: .9rem;
}
.spinner {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--border2); border-top-color: var(--accent);
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Error ─── */
.error-box {
  display: flex; align-items: center; gap: .6rem;
  background: rgba(248,113,113,.06); border: 1px solid rgba(248,113,113,.25);
  border-radius: 8px; padding: .9rem 1.1rem;
  color: var(--danger); font-size: .85rem; margin-top: 1rem;
}

/* ─── Results ─── */
.results-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem;
}
.results-header h2 { font-size: 1.4rem; font-weight: 800; letter-spacing: -.02em; }

/* ─── Score Card ─── */
.score-card {
  display: flex; gap: 2rem; align-items: flex-start;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.5rem; margin-bottom: 1.2rem;
}

.score-ring { position: relative; width: 120px; height: 120px; flex-shrink: 0; }
.score-ring svg { width: 120px; height: 120px; }
.score-value {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700;
}
.score-value small { font-size: .65rem; color: var(--muted); }

.score-info { flex: 1; min-width: 0; }
.score-label { font-size: .75rem; color: var(--muted); font-family: var(--font-mono); margin-bottom: .6rem; letter-spacing: .05em; text-transform: uppercase; }

.auth-pills { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .8rem; }
.pill {
  display: flex; align-items: center; gap: .3rem;
  padding: .2rem .6rem; border-radius: 20px; font-size: .72rem;
  font-family: var(--font-mono); font-weight: 600; letter-spacing: .03em;
  border: 1px solid;
}
.pill.pass { color: var(--success); border-color: rgba(52,211,153,.3); background: rgba(52,211,153,.07); }
.pill.fail { color: var(--danger); border-color: rgba(248,113,113,.3); background: rgba(248,113,113,.07); }
.pill.warn { color: var(--warn); border-color: rgba(251,191,36,.3); background: rgba(251,191,36,.07); }
.pill.none { color: var(--muted); border-color: var(--border); background: transparent; }
.pill.present { color: var(--accent2); border-color: rgba(34,211,238,.3); background: rgba(34,211,238,.07); }

.issues-list, .passed-list { display: flex; flex-direction: column; gap: .35rem; }

.issue-item, .pass-item {
  display: flex; align-items: flex-start; gap: .5rem;
  font-size: .8rem; line-height: 1.4;
}
.issue-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; margin-top: .3rem;
}
.issue-dot.high { background: var(--danger); }
.issue-dot.medium { background: var(--warn); }
.issue-dot.low { background: var(--muted); }
.pass-item::before { content: '✓'; color: var(--success); font-size: .75rem; flex-shrink: 0; margin-top: .05rem; }

/* ─── Panels ─── */
.panel {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; margin-bottom: 1.2rem; overflow: hidden;
}
.panel-header {
  display: flex; align-items: center; gap: .5rem;
  padding: .9rem 1.2rem; background: var(--bg3);
  border-bottom: 1px solid var(--border);
  font-size: .82rem; font-weight: 700; letter-spacing: .03em;
  text-transform: uppercase;
}
.panel-count {
  font-family: var(--font-mono); font-size: .72rem; color: var(--muted);
  background: var(--bg); border: 1px solid var(--border2);
  padding: .1rem .5rem; border-radius: 20px;
}

/* ─── Summary Grid ─── */
.summary-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0;
}
.summary-item {
  padding: .9rem 1.2rem; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.summary-item:nth-child(even) { }
.summary-key {
  font-size: .68rem; color: var(--muted); font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: .06em; margin-bottom: .2rem;
}
.summary-val {
  font-size: .82rem; word-break: break-all; line-height: 1.4;
  font-family: var(--font-mono);
}
.summary-val.empty { color: var(--muted); font-style: italic; }

/* ─── Hops Timeline ─── */
.hops-timeline { padding: 1.2rem; display: flex; flex-direction: column; gap: 0; }

.hop-item {
  display: grid; grid-template-columns: 32px 1fr; gap: 0 .8rem;
  position: relative;
}
.hop-connector {
  display: flex; flex-direction: column; align-items: center;
}
.hop-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg2);
  flex-shrink: 0; z-index: 1; margin-top: 4px;
}
.hop-dot.origin { background: var(--success); }
.hop-dot.destination { background: var(--accent2); }
.hop-line {
  width: 2px; flex: 1; background: var(--border2); margin: 2px 0;
  min-height: 16px;
}
.hop-body {
  background: var(--bg3); border: 1px solid var(--border2); border-radius: 8px;
  padding: .7rem .9rem; margin-bottom: .6rem;
}
.hop-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .4rem;
}
.hop-index {
  font-family: var(--font-mono); font-size: .68rem; color: var(--muted);
  background: var(--bg); padding: .1rem .45rem; border-radius: 4px; border: 1px solid var(--border);
}
.hop-delay {
  font-family: var(--font-mono); font-size: .7rem;
  padding: .1rem .5rem; border-radius: 4px;
}
.hop-delay.fast { color: var(--success); background: rgba(52,211,153,.1); }
.hop-delay.slow { color: var(--warn); background: rgba(251,191,36,.1); }
.hop-delay.veryslow { color: var(--danger); background: rgba(248,113,113,.1); }
.hop-delay.first { color: var(--muted); background: var(--bg); }

.hop-fields { display: flex; flex-direction: column; gap: .2rem; }
.hop-field { display: flex; gap: .5rem; font-size: .78rem; }
.hop-field-key { color: var(--muted); font-family: var(--font-mono); min-width: 40px; flex-shrink: 0; }
.hop-field-val { word-break: break-all; font-family: var(--font-mono); }

.hop-ts { font-size: .7rem; color: var(--muted); font-family: var(--font-mono); margin-top: .4rem; }
.hop-ip-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font-family: var(--font-mono); font-size: .7rem; color: var(--accent2);
  background: rgba(34,211,238,.08); border: 1px solid rgba(34,211,238,.2);
  padding: .1rem .5rem; border-radius: 4px; margin-top: .35rem;
}

/* ─── Auth Grid ─── */
.auth-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0;
}
.auth-item {
  padding: 1rem 1.2rem; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.auth-proto {
  font-family: var(--font-mono); font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: .35rem;
}
.auth-result-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font-family: var(--font-mono); font-size: .8rem; font-weight: 700;
  padding: .2rem .55rem; border-radius: 5px; border: 1px solid;
  text-transform: uppercase; letter-spacing: .04em;
}
.auth-result-badge.pass { color: var(--success); border-color: rgba(52,211,153,.3); background: rgba(52,211,153,.08); }
.auth-result-badge.fail { color: var(--danger); border-color: rgba(248,113,113,.3); background: rgba(248,113,113,.08); }
.auth-result-badge.none { color: var(--muted); border-color: var(--border); background: transparent; }
.auth-result-badge.present { color: var(--accent2); border-color: rgba(34,211,238,.3); background: rgba(34,211,238,.08); }
.auth-result-badge.neutral, .auth-result-badge.softfail { color: var(--warn); border-color: rgba(251,191,36,.3); background: rgba(251,191,36,.08); }
.auth-details { font-size: .72rem; color: var(--muted); font-family: var(--font-mono); margin-top: .35rem; word-break: break-all; }

/* ─── Headers Table ─── */
.headers-table { padding: .5rem 0; }
.header-row {
  display: grid; grid-template-columns: 220px 1fr 8px;
  padding: .45rem 1.2rem; border-bottom: 1px solid var(--border);
  transition: background .1s; align-items: start; gap: .8rem;
}
.header-row:last-child { border-bottom: none; }
.header-row:hover { background: var(--bg3); }
.header-row.flag-warn { border-left: 3px solid var(--warn); padding-left: calc(1.2rem - 3px); }
.header-row.flag-danger { border-left: 3px solid var(--danger); padding-left: calc(1.2rem - 3px); }
.header-row.flag-info { border-left: 3px solid var(--accent); padding-left: calc(1.2rem - 3px); }
.h-name {
  font-family: var(--font-mono); font-size: .76rem; font-weight: 600;
  color: var(--accent); word-break: break-all;
}
.h-val { font-family: var(--font-mono); font-size: .76rem; word-break: break-all; color: var(--text); line-height: 1.5; }
.h-flag-dot { width: 6px; height: 6px; border-radius: 50%; margin-top: .35rem; flex-shrink: 0; }
.h-flag-dot.warn { background: var(--warn); }
.h-flag-dot.danger { background: var(--danger); }
.h-flag-dot.info { background: var(--accent); }
.h-flag-dot.empty { background: transparent; }

.headers-fade {
  text-align: center; padding: .8rem;
  font-size: .8rem; color: var(--muted); border-top: 1px solid var(--border);
  background: linear-gradient(to bottom, transparent, var(--bg2));
}
.headers-fade-btn {
  width: 100%; border: none; cursor: pointer;
  font-family: var(--font-mono); font-size: .8rem;
  transition: color .15s, background .15s;
}
.headers-fade-btn:hover { color: var(--accent); background: linear-gradient(to bottom, transparent, var(--bg3)); }

/* ─── Theme toggle ─── */
.theme-toggle {
  display: flex; align-items: center; gap: 2px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 20px; padding: 3px;
}
.theme-btn {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 24px; border-radius: 16px;
  border: none; background: none; cursor: pointer;
  color: var(--muted); font-size: 13px;
  transition: background .15s, color .15s;
}
.theme-btn.active {
  background: var(--bg2); color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.theme-btn:hover:not(.active) { color: var(--text); }

/* ─── Footer ─── */
footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 2rem; border-top: 1px solid var(--border);
  font-size: .72rem; color: var(--muted); font-family: var(--font-mono);
  margin-top: 2rem;
}

/* ─── Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.results .panel, .score-card {
  animation: fadeUp .35s ease both;
}
.results .panel:nth-child(2) { animation-delay: .05s; }
.results .panel:nth-child(3) { animation-delay: .1s; }
.results .panel:nth-child(4) { animation-delay: .15s; }
.results .panel:nth-child(5) { animation-delay: .2s; }

/* ─── Responsive ─── */
@media (max-width: 640px) {
  header { padding: 1rem; }
  .tagline { display: none; }
  main { padding: 1.5rem 1rem; }
  .score-card { flex-direction: column; align-items: center; text-align: center; }
  .auth-pills { justify-content: center; }
  footer { flex-direction: column; gap: .3rem; text-align: center; }
  .header-row { grid-template-columns: 140px 1fr 8px; }
}