:root {
  --bg: #f7f5ef;
  --bg-overlay-a: #ddeedc;
  --bg-overlay-b: #e8e1d1;
  --card: #ffffff;
  --text: #1e2a22;
  --muted: #53625a;
  --accent: #2f6c56;
  --accent-strong: #24513f;
  --danger: #b03c3c;
  --border: #d9d9cc;
  --success-bg: #e7f8ef;
  --success-text: #1d6a42;
  --weekend-bg: #f1efe4;
}

[data-theme="dark"] {
  --bg: #121613;
  --bg-overlay-a: #1f2a22;
  --bg-overlay-b: #18211d;
  --card: #1a221d;
  --text: #e8efe9;
  --muted: #a8b8ae;
  --accent: #5db28d;
  --accent-strong: #4a9a78;
  --danger: #dd7070;
  --border: #324038;
  --success-bg: #173125;
  --success-text: #9be5be;
  --weekend-bg: #202a25;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Atkinson Hyperlegible", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 12%, var(--bg-overlay-a) 0, transparent 32%),
    radial-gradient(circle at 88% 20%, var(--bg-overlay-b) 0, transparent 36%),
    var(--bg);
  min-height: 100vh;
}

.container {
  width: min(1200px, 94vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
  z-index: 2;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  padding: 0.5rem;
}

.page {
  padding: 1.2rem 0 2rem;
}

.top-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.summary-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  margin-bottom: 1rem;
}

.summary-grid.two-cols {
  grid-template-columns: repeat(2, minmax(180px, 1fr));
}

.summary-card,
.day-card,
.auth-card,
.form-card,
.week-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 6px 16px rgba(20, 27, 24, 0.07);
}

.summary-card {
  padding: 0.9rem;
}

.summary-card h2 {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.summary-card p {
  margin: 0.4rem 0 0;
  font-size: 1.4rem;
  font-weight: 700;
}

.summary-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.days-list {
  display: grid;
  gap: 0.75rem;
}

.days-list.dense {
  gap: 0.5rem;
}

.day-card {
  padding: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.day-card.weekend {
  background: var(--weekend-bg);
}

.day-card.compact {
  align-items: center;
}

.day-card h3 {
  margin: 0;
  font-size: 1rem;
}

.day-card p {
  margin: 0.5rem 0 0;
}

.actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.button {
  border: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 0.9rem;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 140ms ease, transform 140ms ease;
}

.button:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

.button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.button.active {
  background: var(--accent-strong);
  color: #fff;
}

.button.compact {
  padding: 0.45rem 0.7rem;
}

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

.inline-form {
  margin: 0;
}

.auth-card,
.form-card {
  width: min(680px, 100%);
  margin: 0 auto;
  padding: 1rem;
}

.form-card.full-width {
  width: 100%;
  max-width: none;
}

.stack {
  display: grid;
  gap: 0.8rem;
}

.inline-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
}

.weekday-fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem;
}

.weekday-fieldset legend {
  font-weight: 700;
  padding: 0 0.25rem;
}

.weekday-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 1fr));
  gap: 0.45rem 0.8rem;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
}

label {
  display: grid;
  gap: 0.3rem;
  font-weight: 600;
}

input,
textarea,
select {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem;
  font: inherit;
  background: var(--card);
  color: var(--text);
}

.nav-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.error,
.success {
  border-radius: 10px;
  padding: 0.6rem;
}

.error {
  color: #8d1f1f;
  background: #ffeaea;
  border: 1px solid #f0b8b8;
}

.success {
  color: var(--success-text);
  background: var(--success-bg);
  border: 1px solid color-mix(in srgb, var(--success-text) 40%, transparent);
}

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

.positive {
  color: #1e9c5b;
}

.negative {
  color: #d05757;
}

.is-hidden {
  display: none;
}

.view-switcher {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.week-divider {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  align-items: center;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 0.55rem 0.75rem;
  background: color-mix(in srgb, var(--card) 85%, transparent);
}

.sticky-divider {
  position: sticky;
  top: 72px;
  z-index: 1;
}

.month-weeks-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
}

.week-card {
  padding: 0.75rem;
  display: grid;
  gap: 0.6rem;
}

.week-summary {
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
  font-size: 0.9rem;
}

.settings-grid {
  display: grid;
  gap: 0.8rem;
}

.vacation-list {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.6rem;
}

.vacation-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
  background: color-mix(in srgb, var(--card) 92%, transparent);
}

@media (max-width: 980px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .month-weeks-grid {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
  }
}

@media (max-width: 820px) {
  .day-card {
    flex-direction: column;
    gap: 0.8rem;
  }

  .actions {
    width: 100%;
  }

  .actions .button,
  .actions form {
    width: 100%;
  }

  .actions .button {
    width: 100%;
  }

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

  .weekday-grid {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
  }

  .month-weeks-grid {
    grid-template-columns: 1fr;
  }

  .sticky-divider {
    top: 66px;
  }
}

@media (max-width: 520px) {
  .summary-grid,
  .summary-grid.two-cols {
    grid-template-columns: 1fr;
  }

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

  .site-header .container {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    justify-content: space-between;
  }
}