/* =========================================================================
   DealSponsor v0.2.0 — design system
   "Apple-simple, classic, premium, anti-AI-slop."
   Warm near-white paper · ink text · ONE restrained accent (deep forest).
   Refined serif headings + clean sans body · hairline 1px rules · whitespace.
   FORBIDDEN (and absent here): purple/blue gradients, glassmorphism,
   emoji-as-UI, drop-shadow soup, everything-rounded-pills, neon.
   ========================================================================= */

:root {
  /* Paper + ink */
  --paper:        #FBFAF7;   /* warm near-white */
  --paper-alt:    #F5F3EE;   /* slightly deeper band */
  --card:         #FFFFFF;
  --ink:          #1a1a1a;
  --ink-soft:     #4a4742;
  --ink-faint:    #807a70;

  /* The ONE accent — deep forest. Used sparingly. */
  --accent:       #1f3d2f;
  --accent-deep:  #16301f;
  --accent-tint:  #eef2ee;   /* faint forest wash for chips */

  /* Hairlines */
  --rule:         #e7e3da;
  --rule-strong:  #d8d2c6;

  /* Status tags (muted, never neon) */
  --status-unverified-bg: #f3efe6;
  --status-unverified-fg: #8a6d2f;   /* brass-ish, only as a status hint */
  --status-tbd-bg:        #efeee9;
  --status-tbd-fg:        #6b6760;
  --status-verified-bg:   #eaf0ea;
  --status-verified-fg:   #1f3d2f;

  /* Severity (regulatory gates) — restrained ink tints, not alarm colors */
  --sev-critical: #7a2f25;
  --sev-high:     #8a5a1f;
  --sev-info:     #4a4742;
  --sev-opportunity: #1f3d2f;

  /* Type */
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans:  system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Spacing scale */
  --wrap: 1080px;
  --radius: 6px;     /* gentle, never pill */
  --radius-sm: 4px;
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.18; letter-spacing: -0.01em; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.1rem); margin: 0 0 0.5em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 0 0 0.4em; }
h3 { font-size: 1.18rem; margin: 0 0 0.35em; }
p  { margin: 0 0 1rem; }
a  { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
code { font-family: var(--mono); font-size: 0.86em; background: var(--paper-alt); padding: 0.08em 0.36em; border-radius: var(--radius-sm); border: 1px solid var(--rule); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  font-family: var(--sans); font-size: 0.95rem; font-weight: 500; line-height: 1;
  padding: 0.7em 1.25em; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-ghost:hover { background: var(--paper-alt); }
.btn-block { width: 100%; }
.btn-sm { font-size: 0.82rem; padding: 0.45em 0.8em; }
.btn-danger { background: transparent; color: var(--sev-critical); border-color: var(--rule-strong); }
.btn-danger:hover { background: #f7eeec; border-color: var(--sev-critical); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }

/* ---------- topbar / auth ---------- */
.topbar { position: sticky; top: 0; z-index: 30; background: rgba(251,250,247,0.92); backdrop-filter: saturate(1.1); border-bottom: 1px solid var(--rule); }
.topbar-inner { display: flex; align-items: center; gap: 1.5rem; min-height: 60px; }
.brand { display: inline-flex; align-items: baseline; gap: 0.5rem; color: var(--ink); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); font-size: 0.95rem; transform: translateY(-1px); }
.brand-name { font-family: var(--serif); font-size: 1.18rem; letter-spacing: -0.01em; }
.brand-version { font-size: 0.7rem; color: var(--ink-faint); font-family: var(--mono); letter-spacing: 0; }
.topnav { display: flex; gap: 1.4rem; margin-left: auto; }
.topnav a { color: var(--ink-soft); font-size: 0.92rem; }
.authbar { display: flex; align-items: center; gap: 0.6rem; }
.authbar .account-chip { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.86rem; color: var(--ink-soft); }
.authbar .account-name { font-weight: 600; color: var(--ink); }
@media (max-width: 720px) {
  .topnav { display: none; }
  .authbar { margin-left: auto; }
}

/* ---------- hero ---------- */
.hero { padding: 5rem 0 3.5rem; border-bottom: 1px solid var(--rule); }
.eyebrow { font-family: var(--sans); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 1rem; }
.hero .lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 38em; }
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 1.5rem 0 0.75rem; }
.hero-note { font-size: 0.85rem; color: var(--ink-faint); margin-top: 0.75rem; }

/* ---------- bands / sections ---------- */
.band { padding: 3.5rem 0; background: var(--paper-alt); border-bottom: 1px solid var(--rule); }
.section { padding: 4.5rem 0; }
.section-alt { background: var(--paper-alt); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.section-head { max-width: 42em; margin-bottom: 2.5rem; }
.section-sub { color: var(--ink-soft); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.feature h3 { margin-bottom: 0.5rem; }
.feature p { color: var(--ink-soft); font-size: 0.96rem; margin: 0; }
@media (max-width: 820px) { .grid-3 { grid-template-columns: 1fr; gap: 1.5rem; } .grid-2 { grid-template-columns: 1fr; } }

/* ---------- pricing ---------- */
.pricing-grid { align-items: stretch; }
.price-card { position: relative; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: 2rem 1.75rem; display: flex; flex-direction: column; }
.price-card-feature { border-color: var(--accent); }
.ribbon { position: absolute; top: -0.7rem; left: 1.75rem; background: var(--accent); color: #fff; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.25em 0.7em; border-radius: var(--radius-sm); margin: 0; }
.price-tier { font-size: 1.05rem; color: var(--ink-soft); font-family: var(--sans); font-weight: 600; letter-spacing: 0.02em; margin: 0 0 0.5rem; }
.price-amount { display: flex; align-items: baseline; gap: 0.4rem; margin: 0 0 0.6rem; }
.price-num { font-family: var(--serif); font-size: 2.4rem; font-weight: 600; color: var(--ink); }
.price-per { font-size: 0.85rem; color: var(--ink-faint); }
.price-blurb { color: var(--ink-soft); font-size: 0.92rem; min-height: 2.6em; }
.price-list { list-style: none; padding: 0; margin: 1rem 0 1.5rem; display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
.price-list li { font-size: 0.92rem; color: var(--ink); display: flex; align-items: baseline; gap: 0.6rem; }
.price-list li.muted { color: var(--ink-faint); }
.check { color: var(--accent); font-weight: 700; font-size: 0.85rem; }
.x { color: var(--ink-faint); }
.price-fineprint { font-size: 0.76rem; color: var(--ink-faint); margin: 0.9rem 0 0; line-height: 1.5; }

/* ---------- status + severity tags ---------- */
.tag { display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 0.18em 0.55em; border-radius: var(--radius-sm); border: 1px solid transparent; white-space: nowrap; }
.tag-unverified { background: var(--status-unverified-bg); color: var(--status-unverified-fg); border-color: #e3d7bd; }
.tag-tbd { background: var(--status-tbd-bg); color: var(--status-tbd-fg); border-color: var(--rule-strong); }
.tag-verified { background: var(--status-verified-bg); color: var(--status-verified-fg); border-color: #c9d8c9; }
.tag-applies { background: var(--accent-tint); color: var(--accent); border-color: #c9d8c9; }

.sev-dot { display: inline-block; width: 0.62em; height: 0.62em; border-radius: 50%; margin-right: 0.45em; vertical-align: 0.02em; }
.sev-critical .sev-dot { background: var(--sev-critical); }
.sev-high .sev-dot { background: var(--sev-high); }
.sev-info .sev-dot { background: var(--sev-info); }
.sev-opportunity .sev-dot { background: var(--sev-opportunity); }
.sev-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.sev-critical .sev-label { color: var(--sev-critical); }
.sev-high .sev-label { color: var(--sev-high); }
.sev-info .sev-label { color: var(--sev-info); }
.sev-opportunity .sev-label { color: var(--sev-opportunity); }

/* ---------- workspace layout ---------- */
.workspace { display: grid; grid-template-columns: 320px 1fr; gap: 2rem; align-items: start; }
@media (max-width: 900px) { .workspace { grid-template-columns: 1fr; } }

.deals-pane { display: flex; flex-direction: column; gap: 2rem; }
.pane-title { font-family: var(--sans); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 0.9rem; }

.deal-create { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.5rem; }
.field { display: block; margin-bottom: 1rem; }
.field-label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 0.35rem; }
input[type="text"], input[type="email"], input[type="password"], select, textarea {
  width: 100%; font-family: var(--sans); font-size: 0.95rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule-strong); border-radius: var(--radius-sm);
  padding: 0.6em 0.7em; transition: border-color 0.15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
.quota-note { font-size: 0.78rem; color: var(--ink-faint); margin: 0.8rem 0 0; }
.quota-note.over { color: var(--sev-critical); }

.deals-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.deal-item { display: flex; align-items: center; gap: 0.5rem; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: 0.7rem 0.85rem; }
.deal-item.active { border-color: var(--accent); background: var(--accent-tint); }
.deal-item-main { flex: 1; min-width: 0; cursor: pointer; background: none; border: none; text-align: left; font-family: var(--sans); padding: 0; }
.deal-item-name { font-weight: 600; font-size: 0.94rem; color: var(--ink); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.deal-item-meta { font-size: 0.78rem; color: var(--ink-faint); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.deal-item-del { background: none; border: none; color: var(--ink-faint); cursor: pointer; font-size: 1.1rem; line-height: 1; padding: 0.2rem 0.35rem; border-radius: var(--radius-sm); }
.deal-item-del:hover { color: var(--sev-critical); background: #f7eeec; }
.list-empty { font-size: 0.88rem; color: var(--ink-faint); font-style: italic; padding: 0.5rem 0; }

/* ---------- open deal detail ---------- */
.deal-detail { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); min-height: 420px; padding: 2rem; }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; min-height: 360px; color: var(--ink-faint); }
.empty-mark { font-size: 2rem; color: var(--rule-strong); margin: 0 0 0.5rem; }

.deal-head { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-start; justify-content: space-between; padding-bottom: 1.25rem; border-bottom: 1px solid var(--rule); margin-bottom: 1.5rem; }
.deal-head-fields { flex: 1; min-width: 240px; display: flex; flex-direction: column; gap: 0.75rem; }
.deal-head-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.inline-edit { display: grid; grid-template-columns: 90px 1fr; gap: 0.6rem; align-items: center; }
.inline-edit label { font-size: 0.78rem; font-weight: 600; color: var(--ink-faint); letter-spacing: 0.04em; text-transform: uppercase; }

/* tabs */
.tabs { display: flex; gap: 0.25rem; border-bottom: 1px solid var(--rule); margin-bottom: 1.75rem; flex-wrap: wrap; }
.tab { background: none; border: none; border-bottom: 2px solid transparent; font-family: var(--sans); font-size: 0.9rem; font-weight: 500; color: var(--ink-soft); padding: 0.6rem 0.9rem; cursor: pointer; margin-bottom: -1px; }
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tabpanel { animation: fade 0.2s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* gates checklist */
.gate-intro { font-size: 0.9rem; color: var(--ink-soft); background: var(--paper-alt); border: 1px solid var(--rule); border-radius: var(--radius); padding: 0.9rem 1.1rem; margin-bottom: 1.5rem; }
.gate-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.9rem; }
.gate { border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.1rem 1.25rem; background: var(--card); }
.gate-top { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem; margin-bottom: 0.5rem; }
.gate-title { font-family: var(--serif); font-size: 1.02rem; font-weight: 600; margin: 0; flex: 1; min-width: 200px; }
.gate-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; align-items: center; }
.gate-notes { font-size: 0.9rem; color: var(--ink-soft); margin: 0.4rem 0 0.6rem; }
.gate-source { font-size: 0.82rem; color: var(--ink-faint); margin: 0; }
.gate-source a { font-size: 0.82rem; }
.gate-confirm { font-size: 0.76rem; color: var(--status-unverified-fg); font-weight: 600; letter-spacing: 0.02em; margin: 0.5rem 0 0; }

/* cluster + memo */
.callout { border: 1px solid var(--rule); border-left: 3px solid var(--accent); border-radius: var(--radius); padding: 1.1rem 1.25rem; background: var(--card); margin-bottom: 1.25rem; }
.callout h4 { font-family: var(--serif); margin: 0 0 0.4rem; font-size: 1.02rem; }
.callout p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }
.draft-banner { display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--status-unverified-fg); background: var(--status-unverified-bg); border: 1px solid #e3d7bd; border-radius: var(--radius-sm); padding: 0.25em 0.7em; margin-bottom: 1rem; }
.memo { font-size: 0.95rem; }
.memo h4 { font-family: var(--serif); margin: 1.5rem 0 0.5rem; }
.memo .memo-meta { color: var(--ink-soft); }
.memo ul { padding-left: 1.2rem; }
.memo li { margin-bottom: 0.4rem; }
.memo .memo-disclaimer { font-size: 0.82rem; color: var(--ink-faint); border-top: 1px solid var(--rule); padding-top: 1rem; margin-top: 1.5rem; }

/* locked / gated features */
.locked { position: relative; border: 1px dashed var(--rule-strong); border-radius: var(--radius); padding: 1.5rem; text-align: center; background: var(--paper-alt); }
.locked-mark { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.5rem; }
.locked p { color: var(--ink-soft); font-size: 0.9rem; margin: 0 0 1rem; }
.select-locked { opacity: 0.6; }

/* ---------- footer ---------- */
.footer { background: var(--paper-alt); border-top: 1px solid var(--rule); padding: 2.5rem 0 3rem; margin-top: 2rem; }
.footer-inner { display: flex; flex-direction: column; gap: 1rem; }
.footer-brand { display: inline-flex; align-items: baseline; gap: 0.5rem; }
.footer-disclaimer { font-size: 0.82rem; color: var(--ink-soft); max-width: 60em; margin: 0; line-height: 1.6; }
.footer-meta { font-size: 0.78rem; color: var(--ink-faint); margin: 0; }

/* ---------- toast ---------- */
.toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 0.9rem; padding: 0.7rem 1.2rem; border-radius: var(--radius); box-shadow: 0 4px 14px rgba(22,48,31,0.18); z-index: 60; max-width: 90vw; }
.toast[hidden] { display: none; }

/* ---------- modal ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(26,26,26,0.42); display: flex; align-items: center; justify-content: center; padding: 1.5rem; z-index: 50; }
.modal-overlay[hidden] { display: none; }
.modal { position: relative; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); width: 100%; max-width: 420px; padding: 2rem; box-shadow: 0 10px 40px rgba(26,26,26,0.18); }
.modal h3 { margin-top: 0; }
.modal-close { position: absolute; top: 0.75rem; right: 0.9rem; background: none; border: none; font-size: 1.5rem; line-height: 1; color: var(--ink-faint); cursor: pointer; padding: 0.2rem; }
.modal-close:hover { color: var(--ink); }
.modal .field:last-of-type { margin-bottom: 1.25rem; }
.modal-note { font-size: 0.8rem; color: var(--ink-faint); margin: 1rem 0 0; line-height: 1.5; }
.modal-error { font-size: 0.85rem; color: var(--sev-critical); margin: 0.5rem 0 0; min-height: 1.2em; }
.modal-switch { font-size: 0.85rem; color: var(--ink-soft); margin: 1.25rem 0 0; text-align: center; }
.modal-switch button { background: none; border: none; color: var(--accent); font-weight: 600; cursor: pointer; font-size: 0.85rem; padding: 0; }
.modal-switch button:hover { text-decoration: underline; }

/* ---------- utility ---------- */
.muted { color: var(--ink-faint); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }