:root {
  color-scheme: light;
  --paper: #e6ecf5;
  --sheet: #fbfcfe;
  --ink: #20306b;
  --text: #1a2238;
  --muted: #566079;
  --line: #c5cfe0;
  --en-cours: #2f7a68;
  --a-surveiller: #a87800;
  --urgent: #c8441b;
  --depasse: #8e1b3a;
  --regularise: #5b6472;
  --on-state: #ffffff;
  --danger-bg: #fbe9ec;
  --warn-bg: #fff4d6;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --paper: #131a2e;
    --sheet: #1b2440;
    --ink: #a9bdf5;
    --text: #e4e9f5;
    --muted: #a0abc4;
    --line: #36426a;
    --en-cours: #5cc0a6;
    --a-surveiller: #e0b13a;
    --urgent: #f07f55;
    --depasse: #f0718f;
    --regularise: #9aa5ba;
    --on-state: #131a2e;
    --danger-bg: #3d1a26;
    --warn-bg: #3a3014;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 16px/1.5 'Avenir Next', 'Segoe UI Variable', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  font-variant-numeric: tabular-nums;
}

a { color: var(--ink); }
h1, h2 { color: var(--ink); line-height: 1.2; margin: 0; }
h1 { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; font-weight: 650; }
[hidden] { display: none !important; }
.stack { margin-top: 20px; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }

#topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 28px;
  padding: 14px max(16px, calc((100vw - 1040px) / 2));
  background: var(--ink);
}
#topbar a { color: var(--sheet); text-decoration: none; }
.brand { font-size: 1.2rem; font-weight: 700; }
#topbar nav { display: flex; flex-wrap: wrap; gap: 4px 20px; }
#topbar nav a { padding-bottom: 2px; border-bottom: 2px solid transparent; opacity: 0.82; }
#topbar nav a[aria-current='page'] { border-color: currentColor; opacity: 1; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) #topbar { background: #0d1324; }
  :root:not([data-theme='light']) #topbar a { color: var(--text); }
}

main, #banners {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
}
main { padding-block: 24px 64px; outline: none; }
main > * + * { margin-top: 28px; }

.banner {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
  margin-top: 12px;
  padding: 10px 14px;
  border-left: 5px solid var(--urgent);
  background: var(--warn-bg);
}
.banner.mail { border-color: var(--depasse); background: var(--danger-bg); }
.banner p { margin: 0; }

/* Forms */
label { display: block; font-size: 0.9rem; font-weight: 600; }
input[type='text'], input[type='email'], input[type='password'], input[type='date'], input[type='number'], input[type='search'] {
  display: block;
  width: 100%;
  min-height: 42px;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--muted);
  border-radius: 3px;
  background: var(--sheet);
  color: var(--text);
  font: inherit;
  font-weight: 400;
}
button, .button {
  display: inline-block;
  min-height: 42px;
  padding: 8px 16px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--ink);
  color: var(--sheet);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
button.quiet, .button.quiet { background: transparent; color: var(--ink); }
button.danger { border-color: var(--depasse); background: var(--depasse); color: var(--on-state); }
button.small { min-height: 32px; padding: 3px 9px; font-size: 0.85rem; font-weight: 500; }
button:disabled { opacity: 0.55; cursor: progress; }
.error { margin: 8px 0 0; color: var(--depasse); font-weight: 600; }
.hint { margin: 4px 0 0; color: var(--muted); font-size: 0.9rem; }
.empty { padding: 28px 0; color: var(--muted); }

/* Sign-in screens */
.auth { max-width: 380px; margin: 8vh auto 0; }
.auth h1 { margin-bottom: 4px; }
.auth form { display: grid; gap: 14px; margin-top: 20px; }
.auth .links { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 16px; font-size: 0.95rem; }

/* The 20-day ruler */
.ruler { background: var(--sheet); border: 1px solid var(--line); padding: 18px 16px 10px; }
.ruler h2 { margin-bottom: 2px; }
.columns {
  display: grid;
  grid-template-columns: repeat(21, minmax(0, 1fr)) minmax(0, 1.8fr);
  align-items: end;
  gap: 2px;
  height: 180px;
  margin-top: 14px;
}
.column {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: stretch;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  min-height: 0;
  font-size: 0.8rem;
  text-decoration: none;
}
.column .count { text-align: center; font-weight: 700; }
.column .bar { display: block; min-height: 2px; background: currentColor; }
.column.none .bar { opacity: 0.25; }
.column.none .count { visibility: hidden; }
.column:hover .bar { filter: brightness(1.15); }
.scale {
  display: grid;
  grid-template-columns: repeat(21, minmax(0, 1fr)) minmax(0, 1.8fr);
  gap: 2px;
  margin-top: 4px;
  padding-top: 4px;
  border-top: 2px solid var(--ink);
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
}
.scale .major { color: var(--text); font-weight: 700; }
.c-en_cours { color: var(--en-cours); }
.c-a_surveiller { color: var(--a-surveiller); }
.c-urgent { color: var(--urgent); }
.c-depasse { color: var(--depasse); }
.c-regularise { color: var(--regularise); }
@media (max-width: 560px) {
  .scale span:not(.major), .scale .deadline { visibility: hidden; }
  .scale { font-size: 0.65rem; }
  .column .count { font-size: 0.65rem; }
  .ruler { padding-inline: 8px; }
}

/* State summary */
.states { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); background: var(--sheet); }
.state { display: block; padding: 12px 14px; border-left: 1px solid var(--line); text-decoration: none; color: var(--text); }
.state:first-child { border-left: 0; }
.state:hover { background: var(--paper); }
.state strong { display: block; font-size: 1.75rem; line-height: 1.1; }
.state span { font-size: 0.9rem; font-weight: 600; }
@media (max-width: 640px) {
  .states { grid-template-columns: repeat(2, 1fr); }
  .state { border-left: 0; border-top: 1px solid var(--line); }
  .state:nth-child(-n + 2) { border-top: 0; }
  .state:nth-child(even) { border-left: 1px solid var(--line); }
}
.split { display: flex; height: 10px; margin-top: 8px; background: var(--line); }
.split span { display: block; background: currentColor; }
.note { margin: 6px 0 0; color: var(--muted); font-size: 0.95rem; }

/* Lists */
.dossier-list { margin: 10px 0 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.dossier {
  display: grid;
  grid-template-columns: minmax(110px, 1.2fr) 140px 100px 130px minmax(250px, 1.6fr);
  gap: 4px 14px;
  align-items: center;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
}
.dossier .numero { font-weight: 650; overflow-wrap: anywhere; }
.dossier .dates { color: var(--muted); font-size: 0.9rem; }
.dossier .actions { display: flex; flex-wrap: wrap; gap: 4px; justify-content: flex-end; }
.etat { font-size: 0.9rem; font-weight: 650; }
.etat::before { content: ''; display: inline-block; width: 9px; height: 9px; margin-right: 6px; background: currentColor; }
.ticks { display: grid; grid-template-columns: repeat(20, 1fr); gap: 1px; height: 12px; }
.ticks i { background: var(--line); }
.ticks i.on { background: currentColor; }
.ticks + small { display: block; color: var(--muted); font-size: 0.8rem; }
@media (max-width: 860px) {
  .dossier { grid-template-columns: 1fr auto; }
  .dossier .progress, .dossier .actions { grid-column: 1 / -1; }
  .dossier .actions { justify-content: flex-start; }
  .dossier .dates { grid-column: 1 / -1; order: 3; }
}

/* Filters */
.add-form { display: grid; grid-template-columns: 2fr 1fr auto; gap: 10px; align-items: end; padding: 14px; background: var(--sheet); border: 1px solid var(--line); }
@media (max-width: 640px) { .add-form { grid-template-columns: 1fr; } }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; justify-content: space-between; }
.toolbar label { flex: 1 1 260px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 0; padding: 0; border: 0; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 3px; background: var(--sheet); font-weight: 600; cursor: pointer; }
.chip:has(input:checked) { border-color: currentColor; box-shadow: inset 0 0 0 1px currentColor; }
details { margin-top: 10px; }
summary { cursor: pointer; color: var(--ink); font-weight: 600; }
.more { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 10px; }
.result-count { margin: 16px 0 0; color: var(--muted); }

/* Preferences */
.panel { padding: 16px; background: var(--sheet); border: 1px solid var(--line); }
.panel > * + * { margin-top: 12px; }
.account-form { display: grid; gap: 12px; max-width: 420px; }
.check { display: flex; gap: 10px; align-items: center; font-size: 1rem; font-weight: 500; }
.check input { width: 18px; height: 18px; }

dialog { width: min(420px, calc(100vw - 32px)); padding: 20px; border: 1px solid var(--line); border-radius: 3px; background: var(--sheet); color: var(--text); }
dialog::backdrop { background: rgb(13 19 36 / 0.55); }
dialog form { display: grid; gap: 14px; }
dialog h2 { margin-bottom: 2px; }
dialog .buttons { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }

#toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  border-radius: 3px;
  background: var(--text);
  color: var(--paper);
}

@media (prefers-reduced-motion: no-preference) {
  .column .bar { transition: height 0.25s ease-out; }
}