:root{
    --primary:#0f62fe;
    --primary-dark:#064cc6;
    --bg:#f5f7fb;
    --card:#ffffff;
    --text:#182230;
    --muted:#667085;
    --border:#e4e7ec;
    --danger:#d92d20;
    --success:#039855;
    --warning:#dc6803;
    --radius:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}.container{max-width:1440px;margin:0 auto;padding:24px}.app-shell{display:flex;min-height:100vh}.sidebar{width:260px;background:#101828;color:#fff;padding:22px;position:sticky;top:0;height:100vh}.brand{font-size:22px;font-weight:800;margin-bottom:26px;display:flex;gap:10px;align-items:center}.brand-badge{background:linear-gradient(135deg,#0f62fe,#12b76a);border-radius:10px;padding:7px}.nav a{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:12px;color:#d0d5dd;margin-bottom:7px;font-weight:600}.nav a.active,.nav a:hover{background:#1d2939;color:#fff}.main{flex:1}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:9}.search{background:#f9fafb;border:1px solid var(--border);border-radius:12px;padding:10px 14px;min-width:320px}.userbar{display:flex;align-items:center;gap:12px}.avatar{width:36px;height:36px;border-radius:50%;background:#e0efff;color:#0f62fe;font-weight:800;display:grid;place-items:center}.btn{border:0;border-radius:12px;background:var(--primary);color:#fff;font-weight:700;padding:10px 14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{background:var(--primary-dark)}.btn-light{background:#fff;color:#344054;border:1px solid var(--border)}.btn-danger{background:var(--danger)}.btn-success{background:var(--success)}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:0 8px 24px rgba(16,24,40,.04)}.card h3{margin:0 0 10px}.muted{color:var(--muted)}.stat{font-size:34px;font-weight:900;line-height:1}.badge{display:inline-flex;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;background:#eef4ff;color:#175cd3;text-transform:capitalize}.badge.done{background:#ecfdf3;color:#027a48}.badge.in_progress,.badge.review{background:#fff6ed;color:#c4320a}.badge.blocked,.badge.urgent{background:#fef3f2;color:#b42318}.badge.backlog,.badge.todo{background:#f2f4f7;color:#344054}.form-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.form-row-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;font-weight:800;color:#344054}.input,.select,.textarea{width:100%;border:1px solid var(--border);border-radius:12px;padding:10px 12px;background:#fff;color:#101828}.textarea{min-height:86px;resize:vertical}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid var(--border);vertical-align:top}.table th{font-size:12px;text-transform:uppercase;color:#667085;letter-spacing:.04em}.alert{padding:12px 14px;border-radius:12px;margin-bottom:18px;font-weight:700}.alert-success{background:#ecfdf3;color:#027a48}.alert-error{background:#fef3f2;color:#b42318}.kanban{display:grid;grid-template-columns:repeat(6,minmax(260px,1fr));gap:14px;overflow-x:auto;padding-bottom:12px}.column{background:#f8fafc;border:1px solid var(--border);border-radius:18px;min-height:520px;padding:12px}.column-title{display:flex;justify-content:space-between;align-items:center;font-weight:900;text-transform:uppercase;font-size:13px;color:#344054;margin:4px 4px 12px}.task-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px;margin-bottom:12px;box-shadow:0 8px 18px rgba(16,24,40,.05)}.task-title{font-weight:900;margin-bottom:8px}.task-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12px;color:#667085}.task-actions{margin-top:12px;display:grid;gap:8px}.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.footer-form{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.page-title{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px}.page-title h1{margin:0}.calendar-day{border-left:4px solid var(--primary)}.empty{padding:36px;text-align:center;color:#667085;background:#fff;border:1px dashed var(--border);border-radius:16px}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#101828,#0f62fe)}.login-card{width:420px;background:#fff;border-radius:24px;padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.22)}.login-card h1{margin-top:0}.mt{margin-top:18px}.mb{margin-bottom:18px}.right{text-align:right}.tiny{font-size:12px}.overdue{color:var(--danger);font-weight:900}@media(max-width:1000px){.sidebar{display:none}.grid-4,.grid-3,.grid-2,.form-row,.form-row-3{grid-template-columns:1fr}.search{min-width:0;width:100%}.topbar{height:auto;padding:14px;gap:12px;align-items:flex-start;flex-direction:column}.container{padding:16px}.kanban{grid-template-columns:repeat(6,260px)}}

/* Board drag & dynamic columns */
.board-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.board-toolbar h3{margin:0 0 4px}.kanban{display:flex;align-items:stretch;gap:14px;overflow-x:auto;padding-bottom:14px}.column{flex:0 0 300px}.column-actions{display:flex;align-items:center;gap:8px}.column-actions form{margin:0}.icon-btn{width:28px;height:28px;border:1px solid var(--border);border-radius:9px;background:#fff;color:#667085;font-weight:900;cursor:pointer}.icon-btn:hover{background:#fef3f2;color:var(--danger);border-color:#fecdca}.task-list{min-height:430px;border-radius:14px;transition:.18s ease}.task-list.drag-over{background:#eef4ff;outline:2px dashed #84adff;outline-offset:3px}.task-card[draggable="true"]{cursor:grab}.task-card.dragging{opacity:.55;transform:rotate(1deg);cursor:grabbing}.drag-handle{font-size:11px;font-weight:900;color:#98a2b3;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;user-select:none}.save-indicator{position:fixed;right:24px;bottom:24px;background:#101828;color:#fff;padding:10px 14px;border-radius:999px;font-size:13px;font-weight:800;box-shadow:0 14px 32px rgba(16,24,40,.18);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s ease}.save-indicator.show{opacity:1;transform:translateY(0)}.save-indicator.error{background:var(--danger)}
@media(max-width:1000px){.board-toolbar{align-items:stretch}.board-toolbar .inline-form{width:100%}.board-toolbar .input{flex:1}.kanban{display:flex}.column{flex-basis:280px}}
.btn-delete-column{border:1px solid #fecdca;background:#fff;color:var(--danger);border-radius:999px;font-weight:900;font-size:11px;padding:6px 10px;cursor:pointer}.btn-delete-column:hover{background:#fef3f2}
.select[multiple]{min-height:92px}.check-grid{display:flex;flex-wrap:wrap;gap:8px}.check-pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;background:#fff;padding:7px 10px;font-size:12px;font-weight:800;color:#344054;cursor:pointer}.check-pill:has(input:checked){background:#eef4ff;border-color:#84adff;color:#175cd3}.check-pill input{margin:0}.mention{display:inline-flex;background:#eef4ff;color:#175cd3;border-radius:999px;padding:1px 6px;font-weight:800}.sprint-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.mini-stat{border:1px solid var(--border);border-radius:12px;padding:12px;background:#f9fafb}.mini-stat span{display:block;color:#667085;font-size:12px;font-weight:800}.mini-stat strong{font-size:24px}
.card,.task-card{position:relative}.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.card-head h3{margin:0 0 8px}.card-menu{position:relative;flex:0 0 auto}.card-menu summary{list-style:none;width:32px;height:32px;border:1px solid var(--border);border-radius:10px;background:#fff;color:#344054;font-weight:900;display:grid;place-items:center;cursor:pointer;line-height:1}.card-menu summary::-webkit-details-marker{display:none}.card-menu summary:hover{background:#f9fafb}.card-menu-panel{position:absolute;right:0;top:38px;z-index:20;width:min(320px,82vw);display:grid;gap:12px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px;box-shadow:0 18px 48px rgba(16,24,40,.16)}.card-menu-float{position:absolute;right:10px;top:10px}.card-menu-float + .task-title{padding-right:34px}.full{width:100%}
.sprint-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:18px;align-items:start}.sprint-side{position:sticky;top:94px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 8px 24px rgba(16,24,40,.04)}.sprint-side h3{margin:0 0 12px}.sprint-list{display:grid;gap:10px}.sprint-link{display:grid;gap:4px;border:1px solid var(--border);border-radius:12px;padding:12px;background:#fff}.sprint-link span,.sprint-link small{color:#667085}.sprint-link.active,.sprint-link:hover{border-color:#84adff;background:#eef4ff}.sprint-detail{min-width:0}.add-sprint{position:relative}.add-sprint summary{list-style:none}.add-sprint summary::-webkit-details-marker{display:none}.add-sprint-panel{position:absolute;right:0;top:48px;z-index:30;width:min(520px,86vw);display:grid;gap:14px}.badge.active{background:#ecfdf3;color:#027a48}.badge.planned{background:#f2f4f7;color:#344054}.badge.cancelled{background:#fef3f2;color:#b42318}@media(max-width:1000px){.sprint-layout{grid-template-columns:1fr}.sprint-side{position:static}.add-sprint-panel{position:static;margin-top:10px;width:100%}}