/* SI-PREV / GenSSI - accessible, responsive application UI */
:root {
  --navy-950: #0b1f3a;
  --navy-900: #102b4e;
  --blue-700: #006f8e;
  --blue-100: #b7ddee;
  --brand-yellow: #f6be0c;
  --brand-orange: #f49832;
  --brand-red: #e84c13;
  --ink: #172334;
  --muted: #5d6b7b;
  --line: #d7e0e8;
  --surface: #ffffff;
  --canvas: #f3f6f9;
  --success: #176b47;
  --success-bg: #e5f4ec;
  --danger: #a13939;
  --danger-bg: #fbeaea;
  --radius: 12px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--canvas); line-height: 1.5; }
a { color: var(--blue-700); }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.site-header { color: #fff; background: var(--navy-950); border-bottom: 4px solid var(--blue-700); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: #fff; text-decoration: none; letter-spacing: .02em; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 9px; color: var(--navy-950); background: var(--blue-100); font-weight: 800; }
.brand strong, .brand small { display: block; }
.brand small { color: #b9d3e8; font-size: .78rem; }
.site-nav { display: flex; align-items: center; gap: 1rem; }
.site-nav a { color: #d8eafa; text-decoration: none; font-weight: 650; }
.signed-in-as { color: #b9c9d9; font-size: .9rem; }
.page-content { padding-top: 2.25rem; padding-bottom: 3rem; }
.page-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
h1, h2 { color: var(--navy-950); line-height: 1.2; margin: 0; }
h1 { font-size: clamp(1.7rem, 4vw, 2.35rem); }
h2 { font-size: 1.2rem; }
.eyebrow { margin: 0 0 .35rem; color: var(--blue-700); font-size: .8rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.card { padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 8px 24px rgba(11, 31, 58, .06); }
.narrow-card { width: min(100%, 500px); margin: 2rem auto; }
.card-intro { color: var(--muted); margin-top: .65rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: .55rem 1rem; border: 1px solid transparent; border-radius: 8px; color: #fff; background: var(--blue-700); font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.button:hover { background: var(--navy-900); }
.button-ghost { min-height: 2.25rem; padding: .35rem .7rem; border-color: #55738e; color: #fff; background: transparent; }
.button-ghost:hover { background: rgba(255,255,255,.1); }
.filter-card { display: flex; align-items: end; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.25rem; padding: 1rem 1.25rem; }
.field { display: grid; gap: .35rem; }
.field label { color: var(--navy-900); font-weight: 700; }
select, input { min-height: 2.7rem; padding: .45rem .65rem; border: 1px solid #9cabb9; border-radius: 7px; color: var(--ink); background: #fff; font: inherit; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; min-width: 620px; border-collapse: collapse; }
th, td { padding: .9rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--navy-900); background: #eef3f7; font-size: .85rem; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }
.user-name { color: var(--navy-950); font-weight: 700; }
.muted { color: var(--muted); }
.badge { display: inline-flex; padding: .2rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 750; white-space: nowrap; }
.badge-active { color: var(--success); background: var(--success-bg); }
.badge-disabled { color: var(--danger); background: var(--danger-bg); }
.badge-neutral { color: var(--navy-900); background: var(--blue-100); }
.flash { margin-bottom: 1.25rem; padding: .85rem 1rem; border-left: 4px solid; border-radius: 6px; }
.flash-status { border-color: var(--success); color: var(--success); background: var(--success-bg); }
.flash-alert { border-color: var(--danger); color: var(--danger); background: var(--danger-bg); }
:focus-visible { outline: 3px solid var(--brand-yellow); outline-offset: 3px; }
@media (max-width: 680px) { .header-inner, .site-nav { align-items: flex-start; } .header-inner { padding: .85rem 0; flex-direction: column; } .site-nav { width: 100%; flex-wrap: wrap; } .signed-in-as { width: 100%; } .page-heading { align-items: flex-start; flex-direction: column; } }

.workspace-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: calc(100vh - 80px); }
.workspace-sidebar { display: flex; flex-direction: column; gap: 1.2rem; padding: 1.25rem 1rem; border-right: 1px solid var(--line); background: #fff; }
.sidebar-shortcuts, .folder-nav-list { display: grid; gap: .25rem; }
.sidebar-section { display: grid; gap: .45rem; }
.sidebar-heading { margin: 0; color: var(--muted); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.sidebar-link { display: block; padding: .55rem .7rem; border-radius: 7px; color: var(--ink); font-weight: 650; text-decoration: none; }
.sidebar-link:hover, .sidebar-link[aria-current="page"] { color: var(--navy-950); background: var(--blue-100); }
.sidebar-link-primary { color: var(--blue-700); }
.sidebar-empty { margin: 0; padding: .4rem .7rem; color: var(--muted); font-size: .9rem; }
.sidebar-new-folder { margin-top: auto; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 7px; color: var(--blue-700); font-weight: 700; text-decoration: none; }
.sidebar-new-folder:hover { border-color: var(--blue-700); background: var(--blue-100); }
.workspace-content { min-width: 0; padding: 1.5rem; }
.workspace-content > .flash { margin-bottom: 1rem; }
.task-workspace { display: grid; grid-template-columns: minmax(320px, 1fr) minmax(280px, 340px); gap: 1rem; align-items: start; }
.task-list-panel, .task-details-panel, .form-page, .folder-membership-panel { min-width: 0; padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 8px 24px rgba(11, 31, 58, .04); }
.task-list-panel .page-heading { margin-bottom: 1rem; }
.task-list-panel .page-heading .muted { margin: .45rem 0 0; }
.task-list { display: grid; gap: .45rem; margin: 0; padding: 0; list-style: none; }
.task-row { min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.task-row-link { display: flex; align-items: flex-start; gap: .75rem; padding: .8rem; color: var(--ink); text-decoration: none; }
.task-row-link:hover, .task-row:focus-within { border-color: var(--blue-700); background: #f8fcfd; }
.task-row-selected { border-color: var(--blue-700); box-shadow: inset 3px 0 var(--blue-700); }
.task-state { display: inline-grid; place-items: center; width: 1.5rem; height: 1.5rem; flex: 0 0 1.5rem; border: 1px solid currentColor; border-radius: 50%; font-weight: 800; }
.task-state-a_faire { color: var(--blue-700); }
.task-state-en_cours { color: #9a5b08; }
.task-state-terminee { color: var(--success); }
.task-row-content { display: grid; min-width: 0; gap: .35rem; }
.task-title { color: var(--navy-950); overflow-wrap: anywhere; }
.task-row-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem .75rem; color: var(--muted); font-size: .85rem; }
.task-status { display: inline-flex; align-items: center; padding: .12rem .45rem; border-radius: 999px; font-size: .78rem; font-weight: 750; }
.task-status-a_faire { color: var(--blue-700); background: #eaf5f8; }
.task-status-en_cours { color: #81500d; background: #fff2d6; }
.task-status-terminee { color: var(--success); background: var(--success-bg); }
.task-overdue { color: var(--brand-red); font-weight: 750; }
.task-details-panel { position: sticky; top: 1rem; }
.task-details-panel h2 { margin-bottom: .65rem; }
.task-details-panel h3 { margin: .2rem 0 .8rem; color: var(--navy-950); font-size: 1.25rem; overflow-wrap: anywhere; }
.task-description { margin: .5rem 0 1rem; }
.task-facts { display: grid; gap: .85rem; margin: 1rem 0 1.25rem; }
.task-facts div { display: grid; gap: .15rem; }
.task-facts dt { color: var(--muted); font-size: .8rem; font-weight: 700; }
.task-facts dd { margin: 0; }
.empty-state { display: grid; justify-items: center; gap: .35rem; padding: 3rem 1rem; color: var(--muted); text-align: center; }
.empty-state h2 { color: var(--navy-950); }
.empty-state p { margin: 0; }
.empty-state-icon { color: var(--brand-orange); font-size: 2rem; font-weight: 800; }
.quick-task-form { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.quick-task-form h2 { margin-bottom: .75rem; }
.task-form, .folder-form { display: grid; gap: 1rem; margin-top: 1.25rem; }
.field textarea { min-height: 7rem; resize: vertical; }
.field-help { margin: 0; color: var(--muted); font-size: .85rem; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; }
.button-secondary { border-color: var(--line); color: var(--navy-900); background: #fff; }
.button-secondary:hover { border-color: var(--blue-700); color: var(--blue-700); background: var(--blue-100); }
.folder-membership-panel { margin-top: 1rem; }
.folder-membership-panel h2 { margin-bottom: .85rem; }
.folder-member-list { display: grid; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.folder-member-list li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; padding: .5rem 0; border-bottom: 1px solid var(--line); }
.member-picker { display: grid; gap: .5rem; margin: .75rem 0; padding: .75rem; border: 1px solid var(--line); border-radius: 8px; }
.member-picker legend { padding: 0 .25rem; color: var(--navy-900); font-weight: 700; }
.member-option { display: flex; align-items: center; gap: .55rem; }
.member-option input { min-height: auto; }
.member-invite-form, .ownership-form { display: grid; justify-items: start; gap: .75rem; margin-top: 1rem; }
.button-small { min-height: 2rem; padding: .25rem .55rem; font-size: .85rem; }

@media (max-width: 1050px) {
  .task-workspace { grid-template-columns: minmax(0, 1fr); }
  .task-details-panel { position: static; }
}

@media (max-width: 680px) {
  .workspace-shell { grid-template-columns: minmax(0, 1fr); }
  .workspace-sidebar { gap: .65rem; padding: .75rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar-section { gap: .25rem; }
  .folder-nav-list { display: flex; overflow-x: auto; padding-bottom: .2rem; }
  .folder-nav-list li { flex: 0 0 auto; }
  .sidebar-new-folder { margin-top: 0; }
  .workspace-content { padding: .75rem; }
  .task-list-panel, .task-details-panel, .form-page, .folder-membership-panel { padding: 1rem; }
}