/* ============================================================
   OHZEHN-TEX® Contracts · Biosystem palette
   Phase A skeleton. Matches ohzehn-tex.com (moss + cream + sage).
   ============================================================ */

:root {
  --cream:        #F0EBE0;
  --cream-deep:   #E6E0D0;
  --cream-soft:   #F6F2E8;
  --ink:          #15171A;
  --ink-soft:     #24262B;
  --muted:        #5E5E5A;
  --moss:         #1F3B30;
  --moss-deep:    #15291F;
  --moss-tint:    rgba(31, 59, 48, 0.10);
  --sage:         #7BA98A;
  --sage-tint:    rgba(123, 169, 138, 0.16);
  --line:         #D3CFC0;
  --line-soft:    #DCD6C5;
  --rust:         #b8463a;
  --warn:         #c46a1f;

  --sans:    'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --display: 'Inter Tight', 'Inter', sans-serif;
  --serif:   'Fraunces', 'Times New Roman', serif;

  --gutter:  clamp(20px, 3.2vw, 48px);
  --maxw:    1080px;
  --radius:  14px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01" on, "cv11" on, "tnum" on;
  font-size: 17px;
  line-height: 1.58;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--moss); text-decoration: none; border-bottom: 1px solid var(--moss-tint); }
a:hover { color: var(--moss-deep); border-color: var(--moss); }
button { font: inherit; cursor: pointer; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 30;
  background: rgba(240, 235, 224, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex; align-items: center; gap: 16px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--moss-deep);
  border-bottom: 0;
}
.nav-brand img { width: 28px; height: 28px; }
.nav-brand sup { font-size: 0.55em; vertical-align: super; }
.nav-tag {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Layout */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) var(--gutter) 120px;
}

.eyebrow {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss);
  margin: 0 0 12px;
}

h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}
h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 28px);
  margin: 40px 0 14px;
  letter-spacing: -0.005em;
}
h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 17px;
  margin: 24px 0 8px;
  letter-spacing: 0;
}
p.lede {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 0 28px;
}

/* Warning banner (draft notice) */
.warn-banner {
  background: var(--moss);
  color: var(--cream-soft);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0 0 36px;
  font-size: 14.5px;
  line-height: 1.55;
}
.warn-banner .warn-dot {
  flex: 0 0 auto;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--sage);
  margin-top: 7px;
  box-shadow: 0 0 0 4px var(--sage-tint);
}
.warn-banner strong { color: #fff; letter-spacing: 0.04em; }

/* Card */
.card {
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3.5vw, 36px);
  margin: 0 0 24px;
}

/* Forms */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 18px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; }
}
label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  text-transform: uppercase;
}
label .req { color: var(--rust); margin-left: 4px; }
label .opt { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; }
input[type="text"],
input[type="password"],
input[type="date"],
select,
textarea {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  width: 100%;
  transition: border-color 0.15s var(--ease-out), box-shadow 0.15s var(--ease-out);
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--moss);
  box-shadow: 0 0 0 3px var(--moss-tint);
}
textarea { min-height: 96px; resize: vertical; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--moss) 50%), linear-gradient(135deg, var(--moss) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; padding-right: 36px; }

.radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.radio-group label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.15s var(--ease-out), background 0.15s var(--ease-out);
}
.radio-group label:hover { border-color: var(--moss); }
.radio-group input { margin-top: 4px; accent-color: var(--moss); }
.radio-group .desc { display: block; font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--moss);
  color: var(--cream-soft);
  border: 0;
  border-radius: 999px;
  padding: 14px 26px;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 15px;
  transition: background 0.15s var(--ease-out), transform 0.1s var(--ease-out);
}
.btn:hover { background: var(--moss-deep); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost {
  background: transparent;
  color: var(--moss);
  border: 1px solid var(--moss);
}
.btn-ghost:hover { background: var(--moss-tint); }

/* Status messages */
.status {
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 14px;
  margin: 16px 0;
  display: none;
}
.status.is-error { background: rgba(184, 70, 58, 0.10); color: var(--rust); border: 1px solid rgba(184, 70, 58, 0.30); display: block; }
.status.is-info { background: var(--sage-tint); color: var(--moss-deep); border: 1px solid rgba(123, 169, 138, 0.40); display: block; }
.status.is-ok { background: var(--moss); color: var(--cream-soft); display: block; }

.spinner {
  width: 14px; height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.foot {
  border-top: 1px solid var(--line-soft);
  margin-top: 80px;
  padding: 28px var(--gutter);
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
.foot a { color: var(--muted); border-bottom: 1px dotted var(--muted); }
.foot a:hover { color: var(--moss); border-color: var(--moss); }

/* Legal pages */
.legal { max-width: 720px; }
.legal p, .legal li { color: var(--ink-soft); }
.legal ul { padding-left: 22px; }

/* Recent generations table */
.recent-table-wrap {
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow-x: auto;
}
.recent-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 720px;
}
.recent-table th,
.recent-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-soft);
}
.recent-table th {
  background: var(--cream-deep);
  font-family: var(--display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--moss-deep);
}
.recent-table tbody tr:last-child td { border-bottom: 0; }
.recent-table .pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
}
.pill-draft { background: rgba(196, 106, 31, 0.15); color: var(--warn); }
.pill-sent { background: var(--sage-tint); color: var(--moss-deep); }
.pill-signed { background: var(--moss); color: var(--cream-soft); }
.pill-expired { background: rgba(184, 70, 58, 0.15); color: var(--rust); }

/* Hidden helper */
.hidden { display: none !important; }