:root {
  --bg: #f3efe5;
  --ink: #181511;
  --muted: #6f675c;
  --panel: #fffaf0;
  --line: #ded3bf;
  --accent: #0d5c63;
  --accent-strong: #083f44;
  --danger: #a3362b;
  --danger-bg: #fff0ec;
  --ok: #216b45;
  --ok-bg: #e6f4ec;
  --warn: #916019;
  --warn-bg: #fff3d8;
  --shadow: 0 24px 70px rgba(63, 48, 27, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(13, 92, 99, 0.14), transparent 34rem),
    linear-gradient(135deg, #f8f2e6 0%, #efe4d2 100%);
  font-family: "Trebuchet MS", "Aptos", sans-serif;
}

a {
  color: inherit;
}

input,
textarea,
button {
  font: inherit;
}

code,
pre {
  font-family: "Cascadia Code", "JetBrains Mono", monospace;
}

.shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 28px;
  background: rgba(24, 21, 17, 0.92);
  color: #fffaf0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.brand__mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px;
  background: var(--accent);
}

.sidebar nav {
  display: grid;
  gap: 10px;
}

.sidebar nav a,
.logout button {
  padding: 12px 14px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: rgba(255, 250, 240, 0.76);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.sidebar nav a.active,
.sidebar nav a:hover,
.logout button:hover {
  background: rgba(255, 250, 240, 0.1);
  color: #fffaf0;
}

.logout {
  margin-top: auto;
}

.content {
  width: min(1120px, 100%);
  padding: 40px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
  margin-bottom: 24px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 250, 240, 0.86);
  box-shadow: var(--shadow);
}

.hero h1,
.panel h1,
.panel h2,
.auth-card h1 {
  margin: 0;
  line-height: 1.02;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(2.1rem, 5vw, 4.7rem);
  letter-spacing: -0.07em;
}

.hero p,
.panel p,
.auth-card p {
  color: var(--muted);
}

.hero__card {
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 22px;
  border-radius: 24px;
  background: #181511;
  color: #fffaf0;
}

.hero__card strong {
  font-size: 1.5rem;
}

.hero__card small {
  color: rgba(255, 250, 240, 0.66);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.panel {
  margin-bottom: 20px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 250, 240, 0.92);
  box-shadow: 0 14px 44px rgba(63, 48, 27, 0.08);
}

.panel--wide {
  grid-column: 1 / -1;
}

.section-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: var(--accent-strong);
}

.button--secondary {
  background: #ddd0b8;
  color: var(--ink);
}

.button--secondary:hover {
  background: #cdbb9d;
}

.button--danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.button--danger:hover {
  background: #ffd8cf;
}

.form-stack,
.rule-card,
.toolbar {
  display: grid;
  gap: 16px;
}

.toolbar {
  grid-template-columns: 1fr auto auto;
  align-items: end;
  margin-bottom: 20px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 13px 14px;
  background: #fffdf8;
  color: var(--ink);
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(13, 92, 99, 0.12);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkbox input {
  width: auto;
}

.rules-list {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.conversation-list {
  display: grid;
  gap: 16px;
}

.conversation-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fffdf8;
}

.conversation-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.conversation-card__body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.conversation-card__body div {
  padding: 14px;
  border-radius: 16px;
  background: #f8f0e1;
}

.conversation-card__body p {
  margin: 8px 0 0;
  color: var(--ink);
  white-space: normal;
}

.message-label {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rule-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fffdf8;
}

.rule-card--new {
  background: #f7efe0;
}

.rule-card__top,
.actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.actions {
  justify-content: flex-start;
}

.status {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
}

.status--ok {
  background: var(--ok-bg);
  color: var(--ok);
}

.status--warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.status--muted {
  background: #ece4d6;
  color: var(--muted);
}

.danger-form {
  margin-top: 18px;
}

pre {
  overflow: auto;
  padding: 18px;
  border-radius: 18px;
  background: #181511;
  color: #fffaf0;
}

.flashes {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.flash {
  padding: 13px 16px;
  border-radius: 16px;
  font-weight: 800;
}

.flash--success {
  background: var(--ok-bg);
  color: var(--ok);
}

.flash--error {
  background: var(--danger-bg);
  color: var(--danger);
}

.auth-screen {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.auth-card {
  display: grid;
  width: min(460px, 100%);
  gap: 18px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 250, 240, 0.94);
  box-shadow: var(--shadow);
}

@media (max-width: 820px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    padding: 16px;
  }

  .sidebar nav {
    grid-auto-flow: column;
  }

  .logout {
    margin-top: 0;
    margin-left: auto;
  }

  .content {
    padding: 22px;
  }

  .hero,
  .grid,
  .toolbar,
  .conversation-card__body {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 24px;
  }
}