:root {
  --bg: #f8f3ea;
  --surface: rgba(255, 250, 243, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --line: rgba(25, 48, 59, 0.12);
  --text: #1d3038;
  --muted: #5d7077;
  --teal: #1d5d63;
  --teal-deep: #133f44;
  --sand: #f0dbc2;
  --clay: #cf7b4a;
  --clay-soft: #f4e0d1;
  --olive: #6f7d4c;
  --warning: #fff2e8;
  --danger: #a94724;
  --shadow: 0 18px 48px rgba(25, 48, 59, 0.11);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 0% 0%, rgba(207, 123, 74, 0.22), transparent 32%),
    radial-gradient(circle at 100% 0%, rgba(29, 93, 99, 0.16), transparent 28%),
    linear-gradient(180deg, #fffdf9 0%, var(--bg) 100%);
}

button,
input {
  font: inherit;
}

.page-shell {
  position: relative;
  max-width: 1360px;
  margin: 0 auto;
  padding: 28px 20px 80px;
}

.shape {
  position: absolute;
  pointer-events: none;
  filter: blur(12px);
  opacity: 0.7;
}

.shape-one {
  top: 60px;
  right: 40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(207, 123, 74, 0.22), transparent 64%);
}

.shape-two {
  top: 420px;
  left: -40px;
  width: 260px;
  height: 260px;
  border-radius: 38% 62% 56% 44% / 39% 40% 60% 61%;
  background: radial-gradient(circle, rgba(29, 93, 99, 0.16), transparent 68%);
}

.panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.34), transparent 44%);
  pointer-events: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.8fr);
  gap: 24px;
  padding: 30px;
  margin-bottom: 22px;
  animation: rise-in 0.5s ease;
}

.eyebrow,
.section-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--teal);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
}

h3 {
  font-size: 1.2rem;
}

.hero-copy {
  max-width: 68ch;
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.hero-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 22px;
  border-radius: 24px;
  background:
    linear-gradient(160deg, rgba(29, 93, 99, 0.14), rgba(255, 255, 255, 0.46)),
    rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(29, 93, 99, 0.14);
}

.hero-card span {
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero-card strong {
  font-size: 1.55rem;
}

.hero-card small {
  color: var(--muted);
  line-height: 1.5;
}

.top-layout {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.85fr);
  align-items: start;
}

.composer-panel,
.history-panel,
.result-panel {
  padding: 24px;
}

.panel-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 20px;
}

.generator-form {
  display: grid;
  gap: 22px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-weight: 700;
}

input[type="month"],
.person-name-input {
  width: 100%;
  border: 1px solid rgba(29, 93, 99, 0.18);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

input[type="month"]:focus,
.person-name-input:focus {
  border-color: rgba(29, 93, 99, 0.44);
  box-shadow: 0 0 0 4px rgba(29, 93, 99, 0.1);
  transform: translateY(-1px);
}

.subsection-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

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

.person-card {
  position: relative;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(29, 93, 99, 0.12);
  background: var(--surface-strong);
  box-shadow: 0 10px 26px rgba(25, 48, 59, 0.07);
}

.person-card-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  margin-bottom: 14px;
}

.person-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.94rem;
}

.availability-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 10px;
}

.availability-toolbar strong {
  font-size: 0.96rem;
}

.mini-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.day-chip-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(66px, 1fr));
}

.day-chip {
  display: grid;
  gap: 2px;
  justify-items: start;
  min-height: 62px;
  padding: 10px;
  border-radius: 16px;
  border: 1px solid rgba(29, 93, 99, 0.1);
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.day-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(29, 93, 99, 0.28);
  box-shadow: 0 6px 14px rgba(25, 48, 59, 0.08);
}

.day-chip span {
  font-size: 0.72rem;
  color: var(--muted);
}

.day-chip strong {
  font-size: 1rem;
}

.day-chip.weekend {
  background: rgba(207, 123, 74, 0.08);
}

.day-chip.is-selected {
  border-color: rgba(169, 71, 36, 0.22);
  background: linear-gradient(180deg, rgba(255, 242, 232, 0.94), rgba(244, 224, 209, 0.9));
  color: var(--danger);
}

.day-chip.is-selected span {
  color: rgba(169, 71, 36, 0.78);
}

.button,
.primary-button,
.secondary-button,
.ghost-button,
.mini-button,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.primary-button,
.secondary-button,
.ghost-button,
.mini-button,
.link-button {
  border-radius: 999px;
}

.primary-button {
  padding: 14px 20px;
  color: #fff8f1;
  background: linear-gradient(135deg, var(--teal), var(--teal-deep));
  box-shadow: 0 14px 26px rgba(29, 93, 99, 0.18);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.mini-button:hover,
.link-button:hover {
  transform: translateY(-1px);
}

.secondary-button,
.ghost-button,
.mini-button,
.link-button {
  padding: 11px 16px;
  border: 1px solid rgba(29, 93, 99, 0.12);
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
}

.ghost-button {
  background: rgba(29, 93, 99, 0.06);
}

.mini-button {
  padding: 8px 12px;
  font-size: 0.87rem;
}

.remove-button {
  background: rgba(169, 71, 36, 0.08);
  color: var(--danger);
  border-color: rgba(169, 71, 36, 0.16);
}

.form-footer {
  display: grid;
  gap: 12px;
  align-items: center;
}

.status-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

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

.status-text.success {
  color: var(--olive);
}

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

.history-empty {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.history-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(29, 93, 99, 0.1);
  background: rgba(255, 255, 255, 0.86);
}

.history-card.active {
  border-color: rgba(29, 93, 99, 0.26);
  background: rgba(232, 244, 245, 0.82);
}

.history-card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.history-card p,
.history-card small {
  margin: 0;
}

.history-card small {
  color: var(--muted);
}

.history-actions,
.result-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.result-panel {
  margin-top: 20px;
}

.result-headline {
  align-items: center;
}

.empty-state {
  padding: 34px 18px;
  border-radius: 24px;
  border: 1px dashed rgba(29, 93, 99, 0.16);
  text-align: center;
  background: rgba(255, 255, 255, 0.4);
}

.empty-state p {
  margin: 10px auto 0;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.7;
}

.hidden {
  display: none;
}

.result-content {
  display: grid;
  gap: 24px;
}

.summary-grid,
.person-summary-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.summary-card,
.person-summary-card,
.warning-box,
.days-grid {
  position: relative;
}

.summary-card,
.person-summary-card,
.warning-box {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(29, 93, 99, 0.1);
  background: rgba(255, 255, 255, 0.9);
}

.summary-card p,
.person-summary-card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.summary-card strong,
.person-summary-card strong {
  color: var(--teal);
}

.summary-card.alert {
  background: rgba(255, 242, 232, 0.88);
}

.warning-box {
  background: var(--warning);
  border-color: rgba(169, 71, 36, 0.14);
}

.warning-box ul {
  margin: 12px 0 0;
  padding-left: 18px;
  line-height: 1.6;
}

.days-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.day-card {
  min-height: 164px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 14px;
  border-radius: 20px;
  border: 1px solid rgba(29, 93, 99, 0.1);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 20px rgba(25, 48, 59, 0.06);
}

.day-card.weekend {
  background: linear-gradient(180deg, rgba(255, 247, 240, 0.94), rgba(255, 255, 255, 0.92));
}

.day-card.uncovered {
  border-color: rgba(169, 71, 36, 0.18);
}

.day-card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.day-card-date {
  display: grid;
  gap: 2px;
}

.day-card-date strong {
  font-size: 1.15rem;
}

.day-card-date span,
.day-hours {
  color: var(--muted);
  font-size: 0.92rem;
}

.assignment-stack {
  display: grid;
  gap: 8px;
}

.assignment-pill {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(29, 93, 99, 0.07);
}

.assignment-pill.empty {
  background: rgba(169, 71, 36, 0.08);
  color: var(--danger);
}

.result-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: var(--muted);
}

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

.is-busy {
  opacity: 0.75;
  pointer-events: none;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .top-layout {
    grid-template-columns: 1fr;
  }

  .days-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .days-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .page-shell {
    padding: 16px 12px 48px;
  }

  .composer-panel,
  .history-panel,
  .result-panel,
  .hero {
    padding: 18px;
  }

  .panel-topline,
  .subsection-head,
  .availability-toolbar,
  .person-card-head,
  .history-card-top,
  .result-meta,
  .result-headline {
    grid-template-columns: 1fr;
    display: grid;
  }

  .days-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .day-chip-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}