@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#eff9f5;
  --bg2:#d9f1ea;
  --card:#fffffff2;
  --line:#c8e5db;
  --text:#18382f;
  --muted:#628579;
  --accent:#0d9488;
  --accent2:#059669;
  --purple:#7c3aed;
  --red:#dc2626;
  --redbg:#fee2e2;
  --amber:#b45309;
  --amberbg:#fef3c7;
  --green:#15803d;
  --greenbg:#dcfce7;
  --radius:18px;
  --shadow:0 18px 40px rgba(13,148,136,.12);
}
body{font-family:'Nunito',system-ui,sans-serif;background:linear-gradient(135deg,#e6f8f2 0%,#dff6ee 45%,#dfecff 100%);color:var(--text);min-height:100vh}
button,input,select,textarea{font:inherit}
a{color:var(--accent);text-decoration:none}
.hidden{display:none!important}
.screen-center{min-height:100vh;display:grid;place-items:center;padding:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.auth-card{width:min(560px,100%);padding:30px}
.logo-mark{width:60px;height:60px;border-radius:18px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;color:#fff;font-size:24px;font-weight:900;margin-bottom:14px}
h1,h2,h3,h4{line-height:1.1}
h1{font-size:34px;font-weight:900}
h2{font-size:28px;font-weight:900}
h3{font-size:24px;font-weight:900}
h4{font-size:20px;font-weight:900}
.muted{color:var(--muted)}
.eyebrow{font-size:12px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.tabs{display:flex;gap:8px;background:var(--bg2);padding:5px;border-radius:14px;margin:18px 0}
.tabs button{flex:1;padding:11px;border:0;background:transparent;border-radius:12px;font-weight:900;cursor:pointer;color:var(--muted)}
.tabs button.on{background:#fff;color:var(--text)}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:14px;background:var(--bg)}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.primary-btn,.ghost-btn,.filter-btn,.nav-link{border:0;border-radius:14px;padding:12px 16px;font-weight:900;cursor:pointer}
.primary-btn{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.primary-btn.wide{width:100%}
.ghost-btn{background:#fff;border:1px solid var(--line)}
.ghost-link{font-weight:800}
.notice{margin-top:12px;padding:12px 14px;border-radius:14px;background:var(--bg2);color:var(--muted);font-weight:700}
.notice.error,.error-msg{background:var(--redbg);color:var(--red)}
.error-msg{margin:10px 0;padding:10px 12px;border-radius:12px;font-weight:800}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;background:#ecfaf6d9;border-bottom:1px solid var(--line);backdrop-filter:blur(14px);position:sticky;top:0;z-index:5}
.top-actions,.row-actions,.stage-buttons,.filter-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:900}
.app-layout{display:flex;min-height:calc(100vh - 83px)}
.sidebar{width:230px;background:#edf8f4cc;border-right:1px solid var(--line);padding:20px;display:flex;flex-direction:column;gap:8px}
.nav-link{background:transparent;color:var(--muted);text-align:left}
.nav-link.active{background:#fff;color:var(--accent);box-shadow:0 10px 22px rgba(13,148,136,.1)}
.main-shell{flex:1;max-width:1060px;padding:24px}
.panel{display:none}
.panel.active{display:block}
.panel-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:16px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.stat-card{padding:18px}
.stat-card strong{font-size:34px;font-weight:900;display:block}
.stat-card span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:900}
.split-card,.form-card{padding:20px}
.split-card{display:flex;justify-content:space-between;gap:20px;align-items:center}
.stack-list{display:flex;flex-direction:column;gap:14px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.task-card,.member-card{padding:18px}
.task-head{display:flex;gap:10px;align-items:flex-start}
.task-title{flex:1;font-size:18px;font-weight:900}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:900}
.priority-high{background:var(--redbg);color:var(--red)}
.priority-medium{background:var(--amberbg);color:var(--amber)}
.priority-low{background:var(--greenbg);color:var(--green)}
.state-pending{background:var(--amberbg);color:var(--amber)}
.state-accepted{background:var(--greenbg);color:var(--green)}
.state-rejected{background:var(--redbg);color:var(--red)}
.meta-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.chip{padding:5px 10px;border-radius:999px;background:var(--bg2);font-size:13px;font-weight:800;color:var(--muted)}
.stage-buttons button{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:800}
.stage-buttons button.on{background:var(--bg2);color:var(--text)}
.note-list{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.note-item{background:var(--bg);padding:10px 12px;border-radius:12px;margin-top:8px}
.note-item small{display:block;color:var(--muted);font-weight:800;margin-bottom:3px}
.filter-btn{background:#fff;border:1px solid var(--line)}
.filter-btn.on{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-color:transparent}
.toast{position:fixed;right:20px;bottom:20px;background:#113128;color:#fff;padding:12px 16px;border-radius:14px;font-weight:900;box-shadow:var(--shadow);opacity:0;transform:translateY(16px);pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:translateY(0)}
@media (max-width:900px){
  .app-layout{flex-direction:column}
  .sidebar{width:100%;flex-direction:row;overflow:auto}
  .main-shell{padding:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .three-grid{grid-template-columns:1fr}
  .split-card{flex-direction:column;align-items:flex-start}
}