:root {
  --bg: #f4efe4;
  --bg-accent: #efe2c1;
  --surface: rgba(255, 251, 245, 0.78);
  --surface-strong: #fffaf2;
  --border: rgba(65, 45, 28, 0.16);
  --text: #2d241c;
  --muted: #6e6257;
  --shadow: 0 24px 60px rgba(66, 41, 19, 0.12);
  --active-accent: #9e5f2b;
  --complete-accent: #2e7d5a;
  --delete-accent: #a23c3c;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-display: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  --font-body: "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 250, 240, 0.92), transparent 32%),
    radial-gradient(circle at top right, rgba(228, 200, 149, 0.26), transparent 28%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-accent) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.22), transparent 72%);
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero,
.composer,
.clients-section,
.details-section,
.task-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 32px;
}

.eyebrow {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--active-accent);
  font-weight: 700;
}

h1,
h2,
h3,
button,
input,
textarea {
  font-family: var(--font-display);
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  line-height: 0.96;
  max-width: 11ch;
}

.intro {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.composer {
  margin-top: 24px;
  padding: 28px 32px 32px;
}

.clients-section {
  margin-top: 24px;
  padding: 28px 32px 32px;
}

.details-section {
  margin-top: 24px;
  padding: 28px 32px 32px;
}

.section-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: baseline;
  justify-content: space-between;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.35rem;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.task-form {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(220px, 0.9fr) auto;
  gap: 16px;
  margin-top: 22px;
  align-items: start;
}

.client-form {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) auto;
  gap: 16px;
  margin-top: 22px;
  align-items: end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
}

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

input,
textarea {
  width: 100%;
  border: 1px solid rgba(67, 48, 30, 0.18);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

select {
  width: 100%;
  border: 1px solid rgba(67, 48, 30, 0.18);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font-body);
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: none;
  border-color: rgba(158, 95, 43, 0.6);
  box-shadow: 0 0 0 4px rgba(158, 95, 43, 0.16);
}

input:focus-visible,
textarea:focus-visible {
  transform: translateY(-1px);
}

textarea {
  min-height: 148px;
  resize: vertical;
  line-height: 1.5;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, opacity 140ms ease;
}

button:hover {
  transform: translateY(-1px);
}

.primary-action {
  align-self: stretch;
  background: linear-gradient(135deg, #c37b39, #8c4a22);
  color: #fff9f2;
  box-shadow: 0 14px 26px rgba(140, 74, 34, 0.28);
}

.secondary-action {
  align-self: stretch;
  background: linear-gradient(135deg, #604429, #3f2c1f);
  color: #fff8f1;
  box-shadow: 0 14px 26px rgba(63, 44, 31, 0.18);
}

.field-note,
.composer-note,
.form-feedback {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.field-note {
  font-size: 0.84rem;
}

.composer-note {
  margin-top: 14px;
  font-size: 0.92rem;
}

.composer-note code {
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  background: rgba(132, 89, 52, 0.1);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.88em;
}

.form-feedback {
  min-height: 1.5em;
  margin-top: 8px;
  font-size: 0.92rem;
  font-weight: 600;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.task-details-panel {
  margin-top: 20px;
}

.details-card {
  display: grid;
  gap: 18px;
  padding: 22px;
  border-radius: var(--radius-xl);
  background: rgba(255, 252, 246, 0.82);
  border: 1px solid rgba(67, 48, 30, 0.12);
  box-shadow: 0 12px 28px rgba(72, 49, 26, 0.08);
}

.details-card h3 {
  margin: 0;
  font-size: 1.3rem;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.details-chip {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(132, 89, 52, 0.08);
  color: var(--muted);
}

.details-chip strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.details-form {
  display: grid;
  gap: 14px;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.client-box {
  padding: 22px;
  border-radius: var(--radius-xl);
  background: rgba(255, 252, 246, 0.82);
  border: 1px solid rgba(67, 48, 30, 0.12);
  box-shadow: 0 12px 28px rgba(72, 49, 26, 0.08);
}

.client-box-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.client-box-title {
  margin: 0;
  font-size: 1.15rem;
}

.client-box-count {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.client-task-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.task-panel {
  padding: 24px;
}

.task-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.task-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  border: 1px solid rgba(67, 48, 30, 0.1);
  box-shadow: 0 10px 24px rgba(72, 49, 26, 0.08);
  animation: rise-in 220ms ease;
}

.task-card.is-selected {
  border-color: rgba(158, 95, 43, 0.45);
  box-shadow: 0 14px 30px rgba(140, 74, 34, 0.16);
}

.task-title {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.35;
}

.task-copy {
  cursor: pointer;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 12px 0 0;
}

.task-meta div {
  display: inline-flex;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.task-meta dt {
  font-weight: 700;
}

.task-meta dd {
  margin: 0;
}

.task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.task-assignment {
  min-width: 180px;
  flex: 1 1 180px;
}

.action-button {
  color: #fffaf6;
}

.action-complete {
  background: var(--complete-accent);
}

.action-restore {
  background: var(--active-accent);
}

.action-delete {
  background: var(--delete-accent);
}

.empty-state {
  margin: 0;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(67, 48, 30, 0.18);
  color: var(--muted);
  background: rgba(255, 250, 242, 0.48);
  line-height: 1.6;
}

.active-panel {
  border-top: 5px solid rgba(158, 95, 43, 0.72);
}

.completed-panel {
  border-top: 5px solid rgba(46, 125, 90, 0.72);
}

.deleted-panel {
  border-top: 5px solid rgba(162, 60, 60, 0.72);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 20px, 100%);
    padding-top: 24px;
  }

  .hero,
  .composer,
  .clients-section,
  .details-section,
  .task-panel {
    border-radius: 22px;
  }

  .hero,
  .composer,
  .clients-section,
  .details-section,
  .task-panel {
    padding-left: 20px;
    padding-right: 20px;
  }

  .task-form {
    grid-template-columns: 1fr;
  }

  .client-form {
    grid-template-columns: 1fr;
  }

  .primary-action {
    width: 100%;
  }

  .secondary-action {
    width: 100%;
  }
}