:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f8f8;
  --border: #d9dedb;
  --border-strong: #c5ccc8;
  --text: #101412;
  --muted: #59635e;
  --muted-strong: #3f4843;
  --green: #16803d;
  --green-soft: #e8f5ed;
  --blue: #1769d6;
  --blue-dark: #1153aa;
  --danger: #a42b23;
  --shadow: 0 18px 48px rgba(16, 20, 18, 0.08);
  --radius: 8px;
  --topbar-height: 68px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid var(--blue);
  border-radius: 6px;
  background: var(--blue);
  color: #fff;
  font-weight: 650;
  cursor: pointer;
  transition:
    background 150ms ease,
    border-color 150ms ease,
    transform 150ms ease;
}

button:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

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

a:hover {
  text-decoration: underline;
}

.is-hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.auth-screen {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(247, 248, 248, 0.92), rgba(255, 255, 255, 1)),
    var(--bg);
}

.auth-panel {
  width: min(100%, 480px);
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.site-label {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 750;
}

.auth-panel h1,
.section-head h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.auth-panel p {
  margin: 16px 0 24px;
  color: var(--muted);
  line-height: 1.55;
}

.auth-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  min-height: var(--topbar-height);
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  padding: 0 28px;
  backdrop-filter: blur(10px);
}

.brand {
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
}

.topbar nav {
  display: flex;
  align-self: stretch;
  gap: 6px;
}

.nav-link {
  display: grid;
  min-width: 92px;
  place-items: center;
  border-bottom: 3px solid transparent;
  color: var(--muted-strong);
  font-weight: 650;
}

.nav-link.is-active {
  border-color: var(--green);
  color: var(--green);
}

.ghost-button {
  min-height: 38px;
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.ghost-button:hover {
  border-color: var(--border-strong);
  background: var(--surface-soft);
  color: var(--text);
}

.workspace {
  display: grid;
  min-height: calc(100vh - var(--topbar-height));
  grid-template-columns: minmax(0, 1fr) minmax(360px, 28vw);
}

.directory-pane {
  min-width: 0;
  padding: 32px clamp(20px, 3vw, 42px) 42px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.section-head p {
  margin: 8px 0 0;
  color: var(--muted);
}

.filters {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(180px, 250px);
  gap: 12px;
  margin-bottom: 18px;
}

.search-field {
  position: relative;
  display: block;
}

.search-field svg {
  position: absolute;
  top: 50%;
  left: 14px;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--muted);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  transform: translateY(-50%);
  pointer-events: none;
}

.search-field input {
  padding-left: 44px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(23, 105, 214, 0.14);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-soft);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 800;
}

td {
  color: var(--muted-strong);
  line-height: 1.4;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.contact-name {
  color: var(--text);
  font-weight: 750;
}

.contact-note {
  max-width: 300px;
  color: var(--muted);
}

.contact-method {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.method-dot {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--green);
}

.side-rail {
  border-left: 1px solid var(--border);
  background: #fbfcfb;
}

.panel {
  padding: 28px clamp(20px, 2.5vw, 34px);
  border-bottom: 1px solid var(--border);
}

.panel h2 {
  margin: 0 0 18px;
  font-size: 1.35rem;
  letter-spacing: 0;
}

.panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-title-row h2 {
  margin: 0;
}

.stack {
  display: grid;
  gap: 14px;
}

.field-grid {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-size: 0.93rem;
  font-weight: 750;
}

.form-status {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.35;
}

.form-status.is-error {
  color: var(--danger);
}

.form-status.is-success {
  color: var(--green);
}

.notes-list {
  display: grid;
  gap: 18px;
}

.note-item {
  display: grid;
  gap: 6px;
  border-left: 3px solid var(--green);
  padding-left: 14px;
}

.note-item h3 {
  margin: 0;
  font-size: 1rem;
}

.note-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.note-body {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.45;
}

.empty-state {
  padding: 24px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: 1fr auto;
    gap: 14px;
    padding: 0 18px;
  }

  .topbar nav {
    display: none;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .side-rail {
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}

@media (max-width: 680px) {
  .auth-screen {
    padding: 16px;
  }

  .auth-panel {
    padding: 24px;
  }

  .auth-row,
  .filters {
    grid-template-columns: 1fr;
  }

  .brand {
    font-size: 1.2rem;
  }

  .directory-pane,
  .panel {
    padding-right: 16px;
    padding-left: 16px;
  }
}