diff --git a/static/css/style.css b/static/css/style.css
index 59f9ca9..0795c7c 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -1,8 +1,13 @@
 /* ═══════════════════════════════════════════════
-   Kanbante — design system 0.4
-   Thème agent (draco-barre, Console v7.2) : charbon neutre,
-   surfaces grises chaudes, accent rose Spark — plus de
-   dominante bleu/mauve (issue #49).
+   Kanbante — design system
+   Charbon neutre, surfaces grises chaudes, accent vert
+   Kanbante (#0d9488). Échelle fermée (#57) :
+   - typographie : xs 0.78 / sm 0.85 / base 1 / lg 1.18 / xl 1.55rem
+   - rayons : sm 10 / md 12 / base 14 / full 999px
+   - ombres : sm / base / lg ; espacements : 4/8/12/16/24/32px
+   - police : pile système (Inter déclarée mais jamais chargée
+     avant la 0.42.0 — #61 : on assume la pile système, pas de
+     CDN tiers pour une app auto-hébergée).
    ═══════════════════════════════════════════════ */
 
 :root {
@@ -19,6 +24,21 @@
     --text-3: #8b9089;
     --accent: #0d9488;
     --accent-2: #14b8a6;
+    --accent-text: #14b8a6;
+    --radius-md: 12px;
+    --radius-full: 999px;
+    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
+    --font-xs: 0.78rem;
+    --font-sm: 0.85rem;
+    --font-base: 1rem;
+    --font-lg: 1.18rem;
+    --font-xl: 1.55rem;
+    --space-1: 4px;
+    --space-2: 8px;
+    --space-3: 12px;
+    --space-4: 16px;
+    --space-6: 24px;
+    --space-8: 32px;
     --green: #10b981;
     --yellow: #f59e0b;
     --red: #ef4444;
@@ -34,7 +54,7 @@
 html { scroll-behavior: smooth; }
 
 body {
-    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
     background:
         radial-gradient(900px 480px at 12% -8%, var(--bg-glow-1), transparent 60%),
         radial-gradient(820px 460px at 88% -10%, var(--bg-glow-2), transparent 60%),
@@ -50,7 +70,7 @@ body {
 
 ::selection { background: rgba(13, 148, 136, 0.45); }
 
-a { color: var(--accent-2); text-decoration: none; }
+a { color: var(--accent-text); text-decoration: none; }
 a:hover { text-decoration: underline; }
 
 :focus-visible {
@@ -134,7 +154,7 @@ header h1 { font-size: 1.2rem; font-weight: 600; }
 .nav-pills, nav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
 .nav-pill {
     padding: 7px 14px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     font-size: 0.86rem;
     font-weight: 500;
     color: var(--text-2);
@@ -145,13 +165,13 @@ header h1 { font-size: 1.2rem; font-weight: 600; }
 .nav-pill:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
 .nav-pill.active {
     color: #fff;
-    background: linear-gradient(135deg, rgba(13,148,136,.85), rgba(20,184,166,.85));
+    background: var(--accent);
     border-color: rgba(255,255,255,0.12);
 }
 
 .badge {
     padding: 4px 12px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     font-size: 0.78rem;
     font-weight: 600;
     background: color-mix(in srgb, var(--accent) 18%, transparent);
@@ -161,7 +181,7 @@ header h1 { font-size: 1.2rem; font-weight: 600; }
 
 .btn-sm {
     padding: 7px 14px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     font-size: 0.85rem;
     font-weight: 500;
     background: var(--surface-2);
@@ -171,6 +191,26 @@ header h1 { font-size: 1.2rem; font-weight: 600; }
     transition: background 0.15s, border-color 0.15s, transform 0.1s;
 }
 .btn-sm:hover { background: var(--surface-3); border-color: var(--border-strong); text-decoration: none; }
+/* Système de boutons (#58) : primary uni (pas de dégradé),
+   secondary (= .btn-sm), danger, icon 36px. États unifiés. */
+.btn-primary, .btn-save {
+    background: var(--accent); color: #fff; border: none;
+    border-radius: var(--radius-sm); cursor: pointer;
+    transition: filter 0.15s, transform 0.1s;
+}
+.btn-primary:hover, .btn-save:hover { filter: brightness(1.12); }
+.btn-primary:active, .btn-save:active { transform: scale(0.98); }
+.btn-primary:disabled, .btn-save:disabled { opacity: 0.45; cursor: not-allowed; }
+.btn-secondary { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); }
+.btn-danger { border-color: #e5534b; color: #e5534b; background: transparent; }
+.btn-danger:hover { background: rgba(229, 83, 75, 0.12); border-color: #e5534b; color: #e5534b; }
+.btn-icon {
+    width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
+    background: transparent; border: 1px solid transparent; border-radius: var(--radius-sm);
+    color: var(--text-2); cursor: pointer; flex-shrink: 0;
+}
+.btn-icon:hover { background: var(--surface-2); color: var(--text); }
+.btn-icon svg { width: 20px; height: 20px; display: block; }
 .btn-sm:active { transform: scale(0.97); }
 
 /* ── En-tête de page Projets (0.20.0) ─────────
@@ -310,13 +350,13 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .mini-progress { display: flex; gap: 4px; }
 .chip {
     padding: 2px 9px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     font-size: 0.7rem;
     font-weight: 700;
 }
 .progress {
     height: 6px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     background: var(--surface-3);
     overflow: hidden;
     margin-bottom: 12px;
@@ -324,13 +364,13 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .progress > span {
     display: block;
     height: 100%;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     background: linear-gradient(90deg, var(--green), #34d399);
     transition: width 0.4s ease;
 }
 .progress-lg { height: 10px; flex: 1; margin-bottom: 0; }
 
-.empty-state {
+.empty-state, .focus-empty {
     grid-column: 1 / -1;
     border: 1.5px dashed var(--border-strong);
     border-radius: var(--radius);
@@ -352,7 +392,7 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .milestone-label { font-size: 0.82rem; color: var(--text-2); font-weight: 600; margin-right: 2px; }
 .milestone-chip {
     padding: 6px 13px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     border: 1px solid var(--border);
     background: var(--surface);
     color: var(--text-2);
@@ -363,7 +403,7 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .milestone-chip:hover { color: var(--text); text-decoration: none; border-color: var(--border-strong); }
 .milestone-chip.active {
     color: #fff;
-    background: linear-gradient(135deg, rgba(13,148,136,.9), rgba(20,184,166,.9));
+    background: var(--accent);
     border-color: transparent;
 }
 .milestone-banner {
@@ -392,7 +432,7 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .board-toolbar input[type="text"],
 .board-toolbar select {
     padding: 10px 15px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     border: 1px solid var(--border);
     background: var(--surface);
     color: var(--text);
@@ -405,7 +445,7 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .board-toolbar select:focus { border-color: var(--accent); box-shadow: var(--ring); }
 .board-toolbar form { display: flex; gap: 8px; flex: 1; min-width: 260px; }
 .board-toolbar form input { flex: 1; }
-.btn-inline { margin-top: 0; padding: 10px 20px; border-radius: 999px; }
+.btn-inline { margin-top: 0; padding: 10px 20px; border-radius: var(--radius-full); }
 
 /* ── Kanban board ───────────────────────────── */
 .board-container {
@@ -445,7 +485,7 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .column-count {
     background: var(--surface-3);
     padding: 2px 10px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     font-size: 0.74rem;
     font-weight: 600;
     color: var(--text-2);
@@ -503,7 +543,7 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .card-labels { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
 .label-tag {
     padding: 1px 8px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     font-size: 0.64rem;
     font-weight: 700;
 }
@@ -521,7 +561,7 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
     background: color-mix(in srgb, var(--yellow) 18%, transparent);
     color: #fcd34d;
     padding: 1px 8px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     font-weight: 700;
 }
 .age-badge.stale {
@@ -558,7 +598,7 @@ a.kpi:hover { background: var(--surface-2); text-decoration: none; }
 .btn-save {
     margin-top: 10px;
     padding: 10px 18px;
-    background: linear-gradient(135deg, var(--accent), var(--accent-2));
+    background: var(--accent);
     color: #fff;
     border: none;
     border-radius: var(--radius-sm);
@@ -609,9 +649,9 @@ footer {
     transform: translateX(-50%);
     z-index: 1000;
     padding: 11px 20px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     border: 1px solid rgba(255,255,255,0.18);
-    background: linear-gradient(135deg, var(--accent), var(--accent-2));
+    background: var(--accent);
     color: #fff;
     font-size: 0.87rem;
     font-weight: 600;
@@ -749,7 +789,7 @@ footer {
 .search-hero input {
     flex: 1;
     padding: 13px 18px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     border: 1px solid var(--border);
     background: var(--surface);
     color: var(--text);
@@ -775,7 +815,7 @@ footer {
 .issue-main:hover { color: #14b8a6; text-decoration: none; }
 .col-chip {
     padding: 2px 10px;
-    border-radius: 999px;
+    border-radius: var(--radius-full);
     font-size: 0.72rem;
     font-weight: 700;
 }
@@ -926,8 +966,8 @@ footer {
 
 /* ── Wallboard (0.6.0) : affichage plein écran, lisible à 3 mètres ── */
 .wall-body {
-    background: #101211;
-    color: #eceee9;
+    background: var(--bg, #101211);
+    color: var(--text, #eceee9);
     margin: 0;
     font-family: inherit;
     height: 100vh;
@@ -987,7 +1027,7 @@ footer {
 }
 .wall-card-col {
     border: 1.5px solid var(--col); color: var(--col);
-    border-radius: 999px; padding: 4px 14px;
+    border-radius: var(--radius-full); padding: 4px 14px;
     font-size: 0.62em; font-weight: 700; white-space: nowrap;
 }
 .wall-card-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@@ -1083,8 +1123,8 @@ footer {
 .triage-main { max-width: 860px; margin: 0 auto; padding: 24px 16px 40px; }
 .triage-head h1 { margin: 0 0 12px; font-size: 1.4rem; }
 .triage-progress-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
-.triage-progress { flex: 1; height: 10px; border-radius: 99px; background: var(--surface-3, #20221f); overflow: hidden; }
-.triage-progress-bar { height: 100%; width: 0; background: var(--good, #3fb950); border-radius: 99px; transition: width 0.25s ease; }
+.triage-progress { flex: 1; height: 10px; border-radius: var(--radius-full); background: var(--surface-3, #20221f); overflow: hidden; }
+.triage-progress-bar { height: 100%; width: 0; background: var(--good, #3fb950); border-radius: var(--radius-full); transition: width 0.25s ease; }
 .triage-progress-label { color: var(--text-3); font-size: 0.85rem; white-space: nowrap; }
 .triage-card {
     background: var(--surface-1, #1a1c1a);
@@ -1118,7 +1158,7 @@ footer {
 .triage-labels-list { display: flex; gap: 8px; flex-wrap: wrap; }
 .triage-label-chip {
     background: var(--surface-3, #20221f); color: var(--text-1);
-    border: 1px solid var(--border, #2e302c); border-radius: 99px;
+    border: 1px solid var(--border, #2e302c); border-radius: var(--radius-full);
     padding: 5px 12px; font: inherit; font-size: 0.85rem; cursor: pointer;
 }
 .triage-label-chip.on { border-color: var(--good, #3fb950); color: var(--good, #3fb950); }
@@ -1155,18 +1195,28 @@ footer {
 .wall-paused {
     position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
     background: rgba(19, 26, 41, 0.85); color: #f0b429;
-    border: 1px solid rgba(240, 180, 41, 0.55); border-radius: 99px;
+    border: 1px solid rgba(240, 180, 41, 0.55); border-radius: var(--radius-full);
     padding: 6px 16px; font-size: 0.95rem; z-index: 51;
 }
 
 /* ── Focus du jour (0.12.0, #5) ── */
 .pin-btn {
     background: transparent; border: none; cursor: pointer;
-    font-size: 0.82rem; padding: 0 2px; margin-left: auto; opacity: 0.45;
+    padding: 0 2px; margin-left: auto; opacity: 0.45;
+    display: inline-flex; align-items: center;
 }
 .pin-btn:hover { opacity: 1; transform: scale(1.15); }
+.pin-btn svg { width: 18px; height: 18px; display: block; }
+.kanban-card .card-title {
+    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
+    overflow: hidden; line-height: 1.35;
+}
+.kanban-card .card-code { opacity: 0.8; }
+.label-tag, .chip, .col-chip { color: var(--text); }
 .today-main { max-width: 880px; margin: 0 auto; padding: 28px 16px 44px; }
-.today-title { font-size: 1.9rem; margin: 0 0 4px; text-transform: capitalize; }
+.today-main .page-head { padding: 0 0 8px; }
+.today-title { font-size: var(--font-xl); margin: 0 0 4px; text-transform: capitalize; }
+.focus-main .page-head { padding: 22px 24px 0; }
 .today-sub { color: var(--text-3); margin: 0 0 22px; }
 .today-picks { display: grid; gap: 14px; margin-bottom: 20px; }
 .today-card {
@@ -1198,7 +1248,7 @@ footer {
 .sprint-render a { color: var(--accent, #0d9488); }
 
 /* ── Code lié (0.13.0, #1) ── */
-.card-code { font-size: 0.78rem; color: var(--accent, #0d9488); margin-top: 5px; }
+.card-code { font-size: 0.78rem; color: var(--accent-text, #14b8a6); margin-top: 5px; }
 .detail-code { margin: 10px 0; }
 .code-line { padding: 3px 0; font-size: 0.9rem; color: var(--text-2, #a6aba2); }
 .code-line a { color: var(--accent, #0d9488); text-decoration: none; }
@@ -1412,14 +1462,14 @@ body.sidebar-collapsed .side-foot { justify-content: center; }
 .proj-sub { color: var(--text-2); margin: 6px 0 0; }
 .health-chip {
     display: inline-flex; align-items: center; gap: 8px;
-    border: 1px solid var(--border); border-radius: 999px;
+    border: 1px solid var(--border); border-radius: var(--radius-full);
     padding: 7px 14px; color: var(--text); background: var(--surface-1);
     font-size: 0.88rem; font-weight: 600;
 }
 .health-chip:hover { text-decoration: none; border-color: var(--accent, #0d9488); }
 .proj-actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 22px; }
 .proj-actions .nav-pill { border: 1px solid var(--border); }
-.proj-primary { background: linear-gradient(135deg, rgba(13,148,136,.85), rgba(20,184,166,.85)); color: #fff !important; }
+.proj-primary { background: var(--accent); color: #fff !important; }
 .proj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
 .proj-panel {
     background: var(--surface-1); border: 1px solid var(--border);
@@ -1464,7 +1514,7 @@ body.sidebar-collapsed .side-foot { justify-content: center; }
 .seg-count {
     font-size: 0.74rem; font-weight: 600; font-variant-numeric: tabular-nums;
     background: rgba(255, 255, 255, 0.08); color: var(--text-2);
-    border-radius: 999px; padding: 1px 7px;
+    border-radius: var(--radius-full); padding: 1px 7px;
 }
 .seg-tabs button.active .seg-count { background: rgba(13, 148, 136, 0.22); color: var(--text); }
 .dash-toolbar .toolbar-search { padding: 0; flex: 1 1 200px; }
@@ -1582,7 +1632,7 @@ body.sidebar-collapsed .side-foot { justify-content: center; }
 .pilot-progress { min-width: 90px; }
 .forecast-summary { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 4px; }
 .forecast-summary .chip {
-    font-size: 12.5px; padding: 3px 10px; border-radius: 999px;
+    font-size: 12.5px; padding: 3px 10px; border-radius: var(--radius-full);
     background: rgba(255, 255, 255, .07); border: 1px solid var(--border, #2e302c);
 }
 .forecast-summary .chip-late { background: rgba(248, 81, 73, .15); }
@@ -1591,7 +1641,7 @@ body.sidebar-collapsed .side-foot { justify-content: center; }
 .forecast-filter input { width: 100%; }
 .forecast-proj-name { font-weight: 600; min-width: 180px; }
 .verdict {
-    font-size: 12.5px; padding: 2px 9px; border-radius: 999px; white-space: nowrap;
+    font-size: 12.5px; padding: 2px 9px; border-radius: var(--radius-full); white-space: nowrap;
     background: rgba(255, 255, 255, .06);
 }
 .verdict-late { background: rgba(248, 81, 73, .18); }
@@ -1732,10 +1782,10 @@ body.sidebar-collapsed .ws-switch { display: none; }
 .btn-mini:hover { border-color: var(--accent, #0d9488); }
 .btn-mini:disabled { opacity: 0.45; cursor: not-allowed; }
 .btn-danger:hover { border-color: #e5534b; color: #e5534b; }
-.chip-ok { display: inline-block; padding: 4px 10px; border-radius: 999px;
+.chip-ok { display: inline-block; padding: 4px 10px; border-radius: var(--radius-full);
     background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.5); }
 .admin-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
-.conn-badge { font-size: 0.78em; padding: 1px 7px; border-radius: 999px;
+.conn-badge { font-size: 0.78em; padding: 1px 7px; border-radius: var(--radius-full);
     border: 1px solid var(--border, #2e302c); white-space: nowrap; }
 .seg-link { align-self: center; margin-left: 8px; font-size: 0.85em; text-decoration: none; }
 
@@ -1776,12 +1826,12 @@ body.sidebar-collapsed .ws-switch { display: none; }
 .my-filters-row + .my-filters-row { margin-top: 10px; }
 .my-search-wrap { position: relative; flex: 1 1 280px; }
 .my-search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); opacity: 0.65; pointer-events: none; }
-.my-search-wrap input[type="search"] { width: 100%; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 9px 14px 9px 38px; color: inherit; font-size: 0.92rem; }
+.my-search-wrap input[type="search"] { width: 100%; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-full); padding: 9px 14px 9px 38px; color: inherit; font-size: 0.92rem; }
 .my-search-wrap input[type="search"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.25); }
 .my-filters select { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 9px 10px; color: inherit; font-size: 0.9rem; }
 .my-filters select:focus { outline: none; border-color: var(--accent); }
 .my-col-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-right: auto; }
-.filter-chip { display: inline-flex; align-items: center; gap: 6px; background: var(--surface-2); border: 1px solid var(--border); color: inherit; border-radius: 999px; padding: 5px 12px; font-size: 0.85rem; cursor: pointer; transition: border-color 0.15s, background 0.15s; }
+.filter-chip { display: inline-flex; align-items: center; gap: 6px; background: var(--surface-2); border: 1px solid var(--border); color: inherit; border-radius: var(--radius-full); padding: 5px 12px; font-size: 0.85rem; cursor: pointer; transition: border-color 0.15s, background 0.15s; }
 .filter-chip:hover { border-color: var(--border-strong); }
 .filter-chip.on { background: rgba(13, 148, 136, 0.18); border-color: var(--accent); font-weight: 600; }
 .filter-chip-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
@@ -1815,7 +1865,7 @@ html[data-theme="light"] {
     --bg: #f2f2f0; --surface: #ffffff; --surface-2: #e9eae6; --surface-3: #f6f6f3;
     --border: #dedfd9; --border-strong: #c9cbc2;
     --text: #1b1d1a; --text-2: #5c615a; --text-3: #787d75;
-    --accent: #0d9488; --accent-2: #0f766e;
+    --accent: #0d9488; --accent-2: #0f766e; --accent-text: #0f766e;
     --shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
     --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
     color-scheme: light;
@@ -1838,3 +1888,25 @@ html[data-theme="light"] .draco-bar {
     --bg: #f2f2f0; --surface: #ffffff; --surface-2: #e9eae6; --surface-3: #f6f6f3;
     --ink: #1b1d1a; --ink-2: #5c615a; --ink-3: #787d75; --line: #dedfd9;
 }
+
+/* Squelette de chargement (#65) : tuiles et colonnes, sans JS. */
+.skeleton { background: var(--surface-2); border-radius: var(--radius); animation: skeleton-pulse 1.4s ease-in-out infinite; }
+@keyframes skeleton-pulse { 0%, 100% { opacity: 0.55; } 50% { opacity: 1; } }
+@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } }
+
+/* Mobile (#64) : cibles tactiles 44px, tableau lisible. */
+@media (max-width: 640px) {
+    .btn-icon, .pin-btn, .side-collapse, .nav-burger { min-width: 44px; min-height: 44px; }
+    .page-head { padding: 16px 16px 0; }
+    .page-title h1 { font-size: 1.35rem; }
+    .kpi-strip { flex-wrap: wrap; }
+}
+
+/* Formulaires (#66) : champ en erreur — bordure + message, jamais la couleur seule. */
+.field-error input, .field-error textarea, .field-error select { border-color: #e5534b !important; }
+.field-error-msg { color: #e5534b; font-size: var(--font-xs); margin-top: 4px; }
+
+/* Thème clair (#68) : le wallboard et la connexion ne restent plus
+   sombres par défaut — ils suivent html[data-theme]. */
+html[data-theme="light"] .wall-body { background: #f2f2f0; color: #1b1d1a; }
+html[data-theme="light"] .login-body { background: #f2f2f0; }