:root {
  color-scheme: light;
  --ink: #101421;
  --muted: #3f4a5f;
  --line: #c9d2df;
  --panel: #ffffff;
  --soft: #f6f8fb;
  --accent: #075d68;
  --green: #d7f8df;
  --green-line: #43b56a;
  --red: #ffe0e0;
  --red-line: #d85555;
  --blue: #ddebff;
  --blue-line: #4f8fe6;
  --violet: #eee6ff;
  --violet-line: #8b6be0;
  --danger: #9f1239;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: #eef3f7;
  line-height: 1.35;
}

button {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 14px;
  padding: 16px clamp(14px, 3vw, 32px);
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: grid;
  gap: 2px;
}

.brand span,
.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.brand strong {
  font-size: 1.25rem;
}

.tabs {
  display: flex;
  gap: 6px;
  padding: 4px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.tabs a {
  min-height: 46px;
  padding: 12px 16px;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 850;
}

.tabs a.is-active {
  color: #fff;
  background: var(--accent);
}

h1,
h2,
p {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.65rem, 2.4vw, 2.35rem);
  line-height: 1.08;
}

h2 {
  font-size: 1.08rem;
}

input,
select {
  width: 100%;
  min-height: 52px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
}

.primary-button,
.ghost-button,
.delete-button,
.busy-button,
.pause-button {
  display: inline-grid;
  place-items: center;
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
}

.primary-button {
  color: #fff;
  background: var(--accent);
  padding: 0 18px;
}

.ghost-button {
  color: var(--accent);
  background: #e5f5f7;
  padding: 0 18px;
}

.delete-button {
  color: var(--danger);
  background: #fff1f2;
  padding: 0 14px;
}

.busy-button {
  color: #991b1b;
  background: var(--red);
  padding: 0 14px;
}

.pause-button {
  color: #1d4ed8;
  background: var(--blue);
  padding: 0 14px;
}

.nav-button {
  padding: 0 18px;
}

.login-screen,
.public-page,
.settings-page,
.leave-page {
  display: grid;
  gap: 14px;
  place-items: start center;
  min-height: calc(100vh - 68px);
  padding: 24px 18px;
}

.login-card,
.public-card,
.settings-card,
.leave-card {
  display: grid;
  gap: 15px;
  width: min(100%, 1180px);
  padding: clamp(18px, 2vw, 28px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.login-card {
  width: min(100%, 390px);
}

.page-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
}

.week-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.alert,
.success,
.empty-state {
  border-radius: 8px;
  padding: 16px 18px;
  font-size: 1.05rem;
  font-weight: 800;
}

.success strong,
.alert strong {
  display: block;
  margin-bottom: 3px;
  color: inherit;
}

.alert {
  color: var(--danger);
  background: #fff1f2;
}

.success {
  color: #075965;
  background: #e5f5f7;
}

.public-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.easy-picks {
  display: grid;
  gap: 12px;
  padding: 16px;
  background: #f7fbff;
  border: 2px solid #cfe1f5;
  border-radius: 8px;
}

.easy-picks h2 {
  margin-top: 4px;
  font-size: 1.45rem;
}

.easy-pick-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.easy-pick {
  display: grid;
  gap: 7px;
  min-height: 82px;
  padding: 14px;
  color: #14532d;
  background: var(--green);
  border: 2px solid var(--green-line);
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
}

.easy-pick strong {
  font-size: 0.95rem;
}

.easy-pick span {
  font-size: 1.45rem;
  font-weight: 950;
}

.public-slots {
  display: grid;
  grid-template-columns: repeat(7, minmax(150px, 1fr));
  gap: 12px;
  overflow-x: auto;
}

.public-slots section {
  min-width: 150px;
}

.week-page {
  width: min(100% - 18px, 1680px);
  margin: 14px auto;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 12px 0;
  color: var(--ink);
  font-weight: 850;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 16px;
  height: 16px;
  border-radius: 999px;
}

.free-dot { background: #22c55e; }
.busy-dot { background: #ef4444; }
.pause-dot { background: #3b82f6; }
.leave-dot { background: #8b5cf6; }

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(230px, 1fr));
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 12px;
}

.day-column {
  min-width: 230px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.day-column h2,
.public-slots h2 {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 13px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.day-column h2 {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 6px;
  text-align: left;
}

.close-day-button {
  min-height: 40px;
  color: #1d4ed8;
  background: var(--blue);
  border: 1px solid var(--blue-line);
  border-radius: 7px;
  cursor: pointer;
  padding: 0 12px;
  font-size: 0.84rem;
  font-weight: 900;
}

.slot-list {
  display: grid;
  gap: 9px;
  padding: 10px;
}

.slot-list.compact {
  padding: 8px 0;
}

.slot {
  display: grid;
  gap: 8px;
  min-height: 94px;
  padding: 12px;
  border-radius: 8px;
  border: 2px solid var(--line);
  text-align: left;
}

.slot strong {
  font-size: 1.08rem;
  font-weight: 950;
}

.slot span {
  color: var(--muted);
  font-weight: 750;
  overflow-wrap: anywhere;
}

.slot.free {
  background: var(--green);
  border-color: var(--green-line);
}

button.slot.free {
  width: 100%;
  min-height: 74px;
  cursor: pointer;
  color: #14532d;
  font-weight: 950;
  text-align: center;
}

.public-slot-button {
  display: grid;
  gap: 5px;
  place-items: center;
}

.public-slot-button span {
  color: #14532d;
  font-size: 0.86rem;
}

.slot.busy {
  background: var(--red);
  border-color: var(--red-line);
}

.slot.pause {
  background: var(--blue);
  border-color: var(--blue-line);
}

.slot.leave {
  color: #4c1d95;
  background: var(--violet);
  border-color: var(--violet-line);
}

.slot.closed {
  color: var(--muted);
  background: var(--soft);
}

.slot input {
  min-height: 46px;
  padding: 10px 12px;
  background: #ffffffd9;
}

.slot .primary-button {
  min-height: 44px;
}

.slot-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
}

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

.slot-actions button {
  min-height: 42px;
  font-size: 0.88rem;
}

.rdv-details {
  display: grid;
  gap: 6px;
}

.rdv-details summary {
  cursor: pointer;
  color: #14532d;
  padding: 10px 0;
  font-size: 0.9rem;
  font-weight: 900;
}

.rdv-details form {
  display: grid;
  gap: 8px;
  margin-top: 4px;
}

.settings-grid {
  display: grid;
  gap: 8px;
}

.settings-row {
  display: grid;
  grid-template-columns: 150px repeat(4, minmax(120px, 1fr));
  gap: 10px;
  align-items: end;
  padding: 12px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.check-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-size: 0.95rem;
  text-transform: none;
}

.check-line input {
  width: 18px;
  min-height: 18px;
}

.duration-field {
  max-width: 260px;
}

.leave-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
}

.leave-list {
  display: grid;
  gap: 8px;
}

.leave-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--violet);
  border: 1px solid var(--violet-line);
  border-radius: 8px;
}

.leave-row span {
  color: #5b21b6;
  font-weight: 850;
}

.month-title {
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 950;
  text-transform: capitalize;
}

.leave-weekdays,
.leave-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.leave-weekdays span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.leave-day {
  margin: 0;
}

.leave-day button {
  display: grid;
  align-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 96px;
  padding: 10px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
}

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

.leave-day span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.leave-day.is-other-month button {
  opacity: 0.45;
}

.leave-day.is-today button {
  border-color: var(--accent);
}

.leave-day.is-leave button {
  color: #1d4ed8;
  background: var(--blue);
  border-color: var(--blue-line);
}

.leave-day.is-leave span {
  color: #1d4ed8;
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .tabs,
  .week-nav,
  .topbar form,
  .primary-button,
  .ghost-button,
  .pause-button,
  .busy-button,
  .delete-button {
    width: 100%;
  }

  .tabs a,
  .primary-button,
  .ghost-button,
  .pause-button,
  .busy-button,
  .delete-button {
    text-align: center;
  }

  .page-head,
  .public-fields {
    display: grid;
    grid-template-columns: 1fr;
  }

  .settings-row,
  .leave-form,
  .leave-row {
    grid-template-columns: 1fr 1fr;
  }

  .leave-weekdays,
  .leave-calendar {
    gap: 4px;
  }

  .leave-day button {
    min-height: 66px;
    padding: 7px;
  }

  .easy-pick-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .settings-row,
  .leave-form,
  .leave-row {
    grid-template-columns: 1fr;
  }
}