@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
  --bg: #F2F4EF;
  --panel: #FFFFFF;
  --ink: #16231F;
  --muted: #5B6B66;
  --line: #DBE0D6;
  --primary: #1F6F5C;
  --primary-dark: #124A3D;
  --primary-tint: #E4EFEB;
  --accent: #B5652D;
  --accent-tint: #F5E6D8;
  --danger: #A6402F;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(22,35,31,.06), 0 6px 20px rgba(22,35,31,.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'IBM Plex Sans', -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 .4em 0;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono { font-family: 'IBM Plex Mono', monospace; }

/* ---------- Layout shell ---------- */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  background: linear-gradient(90deg, #ffffff 0, #ffffff 150px, var(--primary-dark) 480px, var(--primary-dark) 100%);
  color: #F4F8F6;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 62px;
  flex-wrap: wrap;
}

.brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: .02em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}
.brand-logo {
  height: 124px;
  width: auto;
  display: block;
}
.tag {
  background: var(--accent);
  color: #fff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .03em;
  padding: 3px 8px;
  border-radius: 4px;
  transform: rotate(-2deg);
  white-space: nowrap;
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  flex: 1;
}

.nav-links a {
  color: #CFE3DB;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .92rem;
  font-weight: 500;
  position: relative;
}
.nav-links a:hover, .nav-links a.active {
  background: rgba(255,255,255,.1);
  color: #fff;
  text-decoration: none;
}
.badge-count {
  background: var(--accent);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 1px 6px;
  margin-left: 6px;
}

.user-box {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #CFE3DB;
  font-size: .88rem;
}
.user-box form { margin: 0; }
.btn-logout {
  background: transparent;
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: .82rem;
}
.btn-logout:hover { background: rgba(255,255,255,.12); }

.content {
  flex: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

/* ---------- Cards / sections ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.section-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.section-box h3 {
  font-size: .95rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--primary-tint);
  padding-bottom: 8px;
  margin-bottom: 12px;
}
.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

/* ---------- Specimen tag (signature element for KER numbers) ---------- */
.specimen-tag {
  display: inline-flex;
  align-items: center;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: .82rem;
  color: var(--accent);
  border: 1.5px dashed var(--accent);
  border-radius: 5px;
  padding: 2px 8px;
  background: var(--accent-tint);
  transform: rotate(-1deg);
  white-space: nowrap;
}
.specimen-tag.lg { font-size: 1.05rem; padding: 4px 12px; }

/* ---------- Dashboard ---------- */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}
.page-header p { color: var(--muted); margin: 4px 0 0; }

.stat-strip {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 18px;
  min-width: 140px;
}
.stat .num { font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--primary-dark); }
.stat .lbl { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.filters input, .filters select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: .9rem;
  font-family: inherit;
  background: var(--panel);
}
.filters input { flex: 1; min-width: 200px; }

.ker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.ker-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform .12s ease, box-shadow .12s ease;
}
.ker-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(22,35,31,.08), 0 10px 24px rgba(22,35,31,.08);
}
.ker-card h4 { font-size: 1rem; margin: 6px 0 2px; }
.ker-card .desc {
  color: var(--muted);
  font-size: .86rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ker-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: .78rem;
  color: var(--muted);
}
.trl-pill {
  font-family: 'IBM Plex Mono', monospace;
  background: var(--primary-tint);
  color: var(--primary-dark);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: .76rem;
  font-weight: 600;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-outline { background: transparent; border: 1px solid var(--line); color: var(--ink); }
.btn-outline:hover { background: var(--primary-tint); text-decoration: none; }
.btn-danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.btn-danger:hover { background: #FBEAE6; }
.btn-sm { padding: 6px 12px; font-size: .8rem; }

/* ---------- Forms ---------- */
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 5px;
}
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: .92rem;
  background: #fff;
  color: var(--ink);
}
.form-row textarea { resize: vertical; min-height: 80px; }
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}
.form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.field-error { color: var(--danger); font-size: .78rem; margin-top: 4px; }

.involvement-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 12px;
  background: #FAFBF9;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.involvement-card:hover,
.involvement-card:focus-within {
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(31,111,92,.08);
}
.involvement-index {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--primary-tint);
  color: var(--primary-dark);
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: .78rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.involvement-fields {
  flex: 1;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 12px;
  min-width: 0;
}
.mini-field label {
  display: block;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 5px;
}
.mini-field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 10px;
  font-family: inherit;
  font-size: .85rem;
  background: #fff;
  color: var(--ink);
}
.mini-field select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}
.remove-row-btn {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--danger);
  cursor: pointer;
  font-size: .9rem;
  line-height: 1;
  transition: background-color .12s ease, border-color .12s ease;
}
.remove-row-btn:hover {
  background: #FBEAE6;
  border-color: #F3CFC6;
}

.beneficiary-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.beneficiary-row select {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 10px;
  font-family: inherit;
  font-size: .85rem;
  background: #fff;
  color: var(--ink);
}
.beneficiary-row select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

/* ---------- Toggle switch (Yes/No beyond-SoA) ---------- */
.toggle-row { display: flex; align-items: center; gap: 12px; }
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
  flex: 0 0 auto;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--line);
  transition: background-color .15s ease;
  border-radius: 999px;
}
.toggle-slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: #fff;
  transition: transform .15s ease;
  border-radius: 50%;
  box-shadow: 0 1px 2px rgba(0,0,0,.25);
}
.toggle-switch input:checked ~ .toggle-slider {
  background-color: var(--primary);
}
.toggle-switch input:checked ~ .toggle-slider::before {
  transform: translateX(18px);
}
.toggle-switch input:focus-visible ~ .toggle-slider {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.toggle-text {
  font-size: .88rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

/* ---------- Detail page ---------- */
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.trl-track {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .85rem;
  margin-top: 10px;
}
.trl-step {
  background: var(--primary-tint);
  color: var(--primary-dark);
  border-radius: 6px;
  padding: 4px 9px;
}
.trl-arrow { color: var(--muted); }
.dl-list { display: grid; grid-template-columns: 1fr; gap: 6px; }
.dl-list dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-top: 8px; }
.dl-list dd { margin: 0; }

table.involvement-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.involvement-table th, table.involvement-table td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 8px 10px;
}
table.involvement-table th { color: var(--muted); font-weight: 600; font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; }
.chip {
  display: inline-block;
  font-size: .74rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 9px;
}
.chip-lead { background: var(--accent-tint); color: var(--accent); }
.chip-partner { background: var(--primary-tint); color: var(--primary-dark); }
.chip-yes { background: var(--accent-tint); color: var(--accent); }
.chip-no { background: #EEF1EC; color: var(--muted); }

/* ---------- Login ---------- */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--primary-dark), #0C332A);
  padding: 20px;
}
.login-card {
  background: var(--panel);
  border-radius: 14px;
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
}
.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.login-logo {
  height: 116px;
  width: auto;
  display: block;
}
.login-card h1 { font-size: 1.3rem; margin-bottom: 4px; }
.login-card p.sub { color: var(--muted); font-size: .86rem; margin-bottom: 22px; }
.alert-error {
  background: #FBEAE6;
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: .85rem;
  margin-bottom: 16px;
}
.alert-info {
  background: var(--primary-tint);
  color: var(--primary-dark);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: .85rem;
  margin-bottom: 16px;
}

/* ---------- Messages page ---------- */
.messages-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
  min-height: 460px;
}
.conv-list { border-right: 1px solid var(--line); padding-right: 14px; }
.conv-item {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 4px;
  color: var(--ink);
}
.conv-item:hover, .conv-item.active { background: var(--primary-tint); text-decoration: none; }
.conv-item .name { font-weight: 600; font-size: .9rem; }
.conv-item .preview { font-size: .78rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.thread { display: flex; flex-direction: column; height: 100%; }
.thread-messages { flex: 1; overflow-y: auto; padding: 4px 4px 12px; max-height: 420px; }
.msg-bubble {
  max-width: 70%;
  padding: 9px 13px;
  border-radius: 12px;
  margin-bottom: 8px;
  font-size: .88rem;
}
.msg-bubble.mine { background: var(--primary); color: #fff; margin-left: auto; border-bottom-right-radius: 3px; }
.msg-bubble.theirs { background: var(--primary-tint); color: var(--ink); border-bottom-left-radius: 3px; }
.msg-bubble .time { display: block; font-size: .68rem; opacity: .7; margin-top: 3px; }
.thread-compose { display: flex; gap: 8px; margin-top: 12px; }
.thread-compose input { flex: 1; }

/* ---------- Events / calendar board ---------- */
.month-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.cal-dow { text-align: center; font-size: .72rem; text-transform: uppercase; color: var(--muted); padding-bottom: 4px; }
.cal-cell {
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  background: #fff;
  font-size: .78rem;
}
.cal-cell.empty { background: transparent; border: none; }
.cal-cell .day-num { font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.cal-cell.today { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.cal-event {
  background: var(--accent-tint);
  color: var(--accent);
  border-radius: 5px;
  padding: 2px 5px;
  margin-bottom: 3px;
  font-size: .7rem;
  font-weight: 600;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.upcoming-list { list-style: none; margin: 0; padding: 0; }
.upcoming-list li { padding: 10px 0; border-bottom: 1px dashed var(--line); display: flex; justify-content: space-between; gap: 10px; }
.upcoming-list .ev-date { font-family: 'IBM Plex Mono', monospace; color: var(--accent); font-weight: 600; font-size: .82rem; white-space: nowrap; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .form-grid-3, .form-grid-2 { grid-template-columns: 1fr; }
  .involvement-fields { grid-template-columns: 1fr 1fr; }
  .messages-shell { grid-template-columns: 1fr; }
  .conv-list { border-right: none; border-bottom: 1px solid var(--line); padding-right: 0; padding-bottom: 10px; margin-bottom: 10px; }
}
@media (max-width: 600px) {
  .topbar { height: auto; padding: 10px 14px; }
  .nav-links { order: 3; width: 100%; justify-content: flex-start; }
  .content { padding: 18px 12px 40px; }
  .detail-header { flex-direction: column; }
  .involvement-card { flex-wrap: wrap; }
  .involvement-fields { grid-template-columns: 1fr; order: 3; width: 100%; }
  .calendar-grid { gap: 3px; }
  .cal-cell { min-height: 54px; font-size: .68rem; }
  .topbar { background: linear-gradient(90deg, #ffffff 0, #ffffff 100px, var(--primary-dark) 320px, var(--primary-dark) 100%); }
  .brand-logo { height: 80px; }
  .brand .tag { font-size: .56rem; white-space: normal; line-height: 1.3; }
}

@media (prefers-reduced-motion: reduce) {
  .ker-card { transition: none; }
}