:root {
  --bg: #f4efe4;
  --paper: #fffaf2;
  --panel: rgba(255, 250, 242, 0.88);
  --ink: #1f2a24;
  --muted: #5c665f;
  --line: rgba(31, 42, 36, 0.12);
  --accent: #0f6b50;
  --accent-strong: #0b4f3c;
  --warn: #b76828;
  --error: #9e2f2f;
  --shadow: 0 18px 40px rgba(44, 40, 29, 0.12);
  --brand-line: rgba(0, 128, 128, 0.25);
  --radius: 18px;
  --radius-sm: 12px;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 107, 80, 0.14), transparent 28%),
    radial-gradient(circle at right, rgba(183, 104, 40, 0.12), transparent 24%),
    linear-gradient(180deg, #f8f4eb 0%, var(--bg) 100%);
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

main,
header,
section,
aside,
article,
nav {
  display: block;
}

.shell {
  max-width: 1500px;
  margin: 0 auto;
  padding: 28px 22px 48px;
}

.login-shell {
  max-width: 760px;
}

.topbar {
  display: grid;
  gap: 18px;
  margin-bottom: 18px;
}

.brand-header {
  align-items: center;
  border-bottom: 1px solid var(--brand-line);
  display: flex;
  gap: 1.25rem;
  justify-content: space-between;
  padding: 0 0 0.85rem;
}

.brand-logo {
  display: block;
  width: 180px;
  height: auto;
}

.brand-copy {
  font-size: 0.92rem;
  line-height: 1.35;
  text-align: right;
}

.brand-copy p {
  margin: 0;
}

.topbar-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.topbar-copy {
  max-width: 760px;
}

.topbar h1 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.topbar-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.inline-form {
  display: block;
  margin: 0;
}

.main-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.nav-link,
.chip,
.button-link,
button {
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 242, 0.55);
  color: var(--ink);
}

.nav-link.is-active,
.chip.is-active {
  background: var(--accent);
  color: white;
  border-color: transparent;
  box-shadow: 0 8px 18px rgba(15, 107, 80, 0.25);
}

.notice,
.error {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.notice {
  background: rgba(15, 107, 80, 0.1);
}

.error {
  background: rgba(158, 47, 47, 0.12);
  color: var(--error);
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 420px);
  gap: 18px;
  align-items: start;
}

.login-main {
  display: grid;
  place-items: center;
  padding-top: 24px;
}

.login-panel {
  width: 100%;
  max-width: 480px;
}

.page-grid.single-wide {
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.75fr);
}

.main-column,
.side-column {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  min-width: 0;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}

.panel h2,
.panel h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.panel p {
  margin: 8px 0 0;
}

.muted {
  color: var(--muted);
}

.chip-row,
.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.action-row.stacked {
  flex-direction: column;
  align-items: stretch;
}

.chip,
.button-link,
button,
.ghost-button,
.pill,
.status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 999px;
  font-size: 0.92rem;
}

.chip,
.pill,
.status {
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.pill.warning,
.status {
  color: var(--warn);
}

.button-link,
button,
.ghost-button {
  cursor: pointer;
  padding: 11px 15px;
  border: 1px solid transparent;
  font: inherit;
}

button,
.button-link {
  background: var(--accent);
  color: white;
  box-shadow: 0 10px 24px rgba(15, 107, 80, 0.2);
}

button:hover,
.button-link:hover,
.nav-link:hover,
.chip:hover,
.ghost-button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.ghost-button {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

form {
  display: grid;
  gap: 12px;
}

.filter-grid,
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.full-width {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
  min-width: 0;
}

.checkbox {
  grid-template-columns: auto minmax(0, 1fr);
  justify-content: start;
  align-items: start;
  gap: 10px;
  padding-top: 10px;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  font: inherit;
  color: var(--ink);
}

input[type="checkbox"] {
  width: 1.15rem;
  min-width: 1.15rem;
  height: 1.15rem;
  margin: 0.12rem 0 0;
  padding: 0;
  accent-color: var(--accent);
}

textarea {
  resize: vertical;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.table-wrap {
  overflow: auto;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.stack-list {
  display: grid;
  gap: 12px;
}

.mini-card,
.thread-card,
.reminder-card,
.deadline-card,
.timeline-item,
.stat-card {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.mini-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.thread-card,
.reminder-card,
.deadline-card {
  display: grid;
  gap: 14px;
}

.thread-card {
  grid-template-columns: 1.05fr 1fr;
}

.thread-summary,
.thread-actions {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.stat-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item h3 {
  margin-bottom: 8px;
}

.timeline-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 1180px) {
  .page-grid,
  .page-grid.single-wide,
  .thread-card {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .filter-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .shell {
    padding: 18px 14px 30px;
  }

  .brand-header,
  .topbar-main {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-logo {
    width: 135px;
  }

  .brand-copy {
    font-size: 0.78rem;
    text-align: left;
  }

  th,
  td {
    padding: 10px 8px;
  }

  table {
    min-width: 520px;
  }
}