/* ===========================================================
   Telltale — marine surveyor tooling, paper-and-ocean palette
   =========================================================== */

:root {
  /* Brand */
  --ink:        #0A1628;     /* deep ink, almost-black navy */
  --ocean:      #0B3954;     /* primary deep ocean */
  --ocean-2:    #1B5278;     /* hover/active */
  --copper:     #FF6B35;     /* signal-flag / sunset accent */
  --copper-2:   #E15B2A;
  --canvas:     #F5F1E8;     /* warm cream / paper */
  --canvas-2:   #EAE2D0;
  --paper:      #FFFFFF;
  --slate:      #6B7C8E;     /* muted text */
  --line:       #D9D1BF;     /* parchment hairlines */
  --teal:       #2A9D8F;     /* sea green — success */
  --signal:     #E9C46A;     /* signal yellow — warn */
  --crimson:    #C0392B;     /* danger */

  --shadow-1:   0 1px 2px rgba(10,22,40,.06), 0 1px 1px rgba(10,22,40,.03);
  --shadow-2:   0 6px 18px rgba(10,22,40,.08), 0 2px 4px rgba(10,22,40,.04);

  --radius:     14px;
  --radius-s:   8px;

  --serif:      ui-serif, "Iowan Old Style", "Cambria", Georgia, serif;
  --sans:       ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --mono:       ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Subtle paper grain on body */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(11,57,84,.025) 1px, transparent 1px),
    radial-gradient(rgba(11,57,84,.018) 1px, transparent 1px);
  background-size: 18px 18px, 32px 32px;
  background-position: 0 0, 9px 9px;
  z-index: 0;
}

a { color: var(--ocean); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .15s ease, color .15s ease; }
a:hover { color: var(--ocean-2); border-color: currentColor; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; line-height: 1.18; color: var(--ink); margin: 0; }
h1 { font-size: clamp(1.85rem, 3.4vw, 2.75rem); }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 .9rem; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: rgba(245, 241, 232, 0.85);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display:flex; align-items:center; gap:10px; font-family: var(--serif); font-size: 1.25rem; font-weight: 600; color: var(--ink); border-bottom:0; }
.brand-logo { width: 28px; height: 28px; border-radius: 6px; }
.topnav { display: flex; gap: 22px; }
.topnav a { color: var(--slate); font-size: .95rem; border-bottom: 0; padding-bottom: 2px; }
.topnav a.active, .topnav a:hover { color: var(--ocean); border-bottom: 2px solid var(--copper); }

/* ---------- Layout ---------- */
.tool {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 80px;
  display: grid;
  gap: 28px;
}

.tool-intro { text-align: center; }
.tool-intro .kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--copper);
  background: rgba(255,107,53,.08);
  border: 1px solid rgba(255,107,53,.25);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.tool-intro h1 {
  margin-bottom: 14px;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ocean) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tool-intro .lede {
  font-size: 1.05rem;
  color: var(--slate);
  max-width: 56ch;
  margin: 0 auto;
}

/* ---------- Cards ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-1);
  position: relative;
}
.card::before {
  /* rope-like top edge accent */
  content: "";
  position: absolute; left: 18px; right: 18px; top: -1px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--copper) 50%, transparent);
  border-radius: 2px;
  opacity: .5;
}

/* ---------- Form ---------- */
.form-stack { display: grid; gap: 16px; }
.lbl { font-size: .82rem; font-weight: 600; letter-spacing: .03em; color: var(--ink); text-transform: uppercase; }
textarea, input[type=text], input[type=email], select {
  font: inherit;
  width: 100%;
  padding: 12px 14px;
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
textarea { resize: vertical; min-height: 110px; line-height: 1.5; }
textarea:focus, input:focus, select:focus {
  outline: none;
  border-color: var(--ocean);
  box-shadow: 0 0 0 4px rgba(11,57,84,.10);
  background: var(--paper);
}
.row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
@media (max-width: 540px) { .row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; }
.hint { color: var(--slate); font-size: .88rem; margin-top: -4px; }
.microcopy { color: var(--slate); font-size: .82rem; text-align: center; margin: 4px 0 0; }

/* ---------- Buttons ---------- */
.btn {
  font: inherit; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, color .15s ease, border-color .15s ease, box-shadow .15s ease;
  letter-spacing: .01em;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ocean);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,.15) inset, 0 6px 18px rgba(11,57,84,.20);
}
.btn-primary:hover { background: var(--ocean-2); }
.btn-secondary {
  background: var(--copper);
  color: #fff;
}
.btn-secondary:hover { background: var(--copper-2); }
.btn-ghost {
  background: transparent;
  color: var(--ocean);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ocean); background: var(--paper); }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }
.btn-spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  display: none;
}
.btn.is-loading .btn-spinner { display: inline-block; }
.btn.is-loading .btn-label { opacity: .7; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Result ---------- */
.result { display: grid; gap: 18px; }
.result.hidden { display: none; }
.history.hidden { display: none; }

.result-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 18px;
}
.result-head .kicker {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 4px;
}

.severity-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  background: var(--canvas-2);
  border: 1px solid var(--line);
}
.severity-pill .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--slate); }
.severity-pill[data-severity="cosmetic"]    { background: rgba(42,157,143,.10); border-color: rgba(42,157,143,.30); color: #1f7a6f; }
.severity-pill[data-severity="cosmetic"]    .dot { background: var(--teal); }
.severity-pill[data-severity="minor"]       { background: rgba(233,196,106,.18); border-color: rgba(233,196,106,.45); color: #8c6d1f; }
.severity-pill[data-severity="minor"]       .dot { background: var(--signal); }
.severity-pill[data-severity="recommended"] { background: rgba(255,107,53,.12); border-color: rgba(255,107,53,.35); color: #b14b21; }
.severity-pill[data-severity="recommended"] .dot { background: var(--copper); }
.severity-pill[data-severity="required"]    { background: rgba(192,57,43,.12); border-color: rgba(192,57,43,.40); color: var(--crimson); }
.severity-pill[data-severity="required"]    .dot { background: var(--crimson); }

.report-paragraph {
  background: var(--paper);
  font-family: var(--serif);
  font-size: 1.06rem;
  line-height: 1.7;
  color: var(--ink);
  border-left: 4px solid var(--copper);
  padding: 22px 26px 22px 26px;
}
.report-paragraph p { margin: 0; }

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 540px) { .meta-grid { grid-template-columns: 1fr; } }
.meta-block { padding: 16px 18px; }
.meta-lbl {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 4px;
}
.meta-val {
  font-size: .98rem;
  color: var(--ink);
  margin: 0;
}

.result-actions {
  display: flex; gap: 12px; flex-wrap: wrap;
}

.save-block { padding: 22px; }
.save-block h3 { margin: 0 0 6px; }
.save-block .row { grid-template-columns: 1fr auto; align-items: stretch; gap: 10px; margin-top: 12px; }
.save-block .row input { font-size: .98rem; }
.save-block .row .btn { white-space: nowrap; }
@media (max-width: 540px) { .save-block .row { grid-template-columns: 1fr; } }

.status { font-size: .9rem; margin: 10px 0 0; min-height: 1.2em; color: var(--slate); }
.status.success { color: var(--teal); }
.status.error   { color: var(--crimson); }

/* ---------- History ---------- */
.history-list { display: grid; gap: 12px; }
.history-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 16px 18px;
}
.history-item .h-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem; color: var(--slate); margin-bottom: 6px;
}
.history-item .h-finding {
  font-family: var(--mono);
  font-size: .85rem;
  color: var(--slate);
  margin: 0 0 8px;
}
.history-item .h-paragraph {
  font-family: var(--serif);
  font-size: .98rem;
  color: var(--ink);
  margin: 0;
}

/* ---------- Examples ---------- */
.example-block { text-align: center; }
.example-block h3 { margin-bottom: 14px; color: var(--slate); font-weight: 500; }
.examples { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.example-chip {
  font: inherit; font-size: .85rem;
  background: var(--paper); color: var(--ocean);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.example-chip:hover { background: var(--ocean); color: #fff; border-color: var(--ocean); }

/* ---------- Footer ---------- */
.ftr {
  position: relative; z-index: 1;
  text-align: center;
  padding: 28px 24px 36px;
  color: var(--slate);
  font-size: .9rem;
  border-top: 1px solid var(--line);
  background: rgba(245,241,232,.6);
}
.ftr p { margin: 0 0 6px; }
.ftr .tiny { font-size: .78rem; opacity: .8; }