:root {
  --ink: #17221f; --muted: #687570; --line: #dce5e1; --paper: #fff;
  --canvas: #f3f7f5; --green: #156b4f; --green-bright: #33b17a;
  --green-soft: #e7f5ee; --amber: #a86f0c; --amber-soft: #fff4d9;
  --red: #b43c45; --red-soft: #fdecef;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink); background: var(--canvas);
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--canvas); }
button, input, textarea, select { font: inherit; }
h1, h2, p { margin-top: 0; } h1 { margin-bottom: .45rem; font-size: clamp(1.6rem,3vw,2.3rem); } h2 { margin-bottom: .25rem; font-size: 1.15rem; }
.muted { color: var(--muted); } .eyebrow { margin-bottom: .25rem; color: var(--green); font-size: .72rem; font-weight: 800; letter-spacing: .14em; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; padding: 14px 28px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.94); }
.brand-row { display: flex; gap: 12px; align-items: center; }
.brand-mark { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 18px; color: #fff; background: linear-gradient(145deg,#1a7f5c,#0f4938); font-size: 1.4rem; font-weight: 900; }
.brand-mark.small { width: 40px; height: 40px; border-radius: 13px; font-size: 1rem; }
.page-shell { width: min(1240px,calc(100% - 32px)); margin: 28px auto 60px; }
.hero-panel { display: flex; justify-content: space-between; align-items: center; padding: 28px; border: 1px solid #cfe1d8; border-radius: 22px; background: radial-gradient(circle at 85% 10%,#d9f3e7 0,transparent 36%),var(--paper); }
.metric-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin: 16px 0; }
.metric-card,.panel { border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: 0 8px 30px rgba(26,53,44,.04); }
.metric-card { padding: 20px; } .metric-card span,.metric-card small { display: block; color: var(--muted); } .metric-card strong { display: block; margin: 9px 0 6px; font-size: 1.35rem; }
.panel { margin-bottom: 16px; padding: 22px; } .panel-heading { display: flex; justify-content: space-between; align-items: start; margin-bottom: 16px; }
.button { display: inline-flex; justify-content: center; align-items: center; border: 1px solid #bfd0c8; border-radius: 11px; padding: 10px 14px; color: var(--ink); background: #fff; cursor: pointer; font-weight: 750; text-decoration: none; }
.button-primary { border-color: var(--green); color: #fff; background: var(--green); } .button-quiet { border-color: transparent; color: var(--muted); background: transparent; } .button-small { padding: 7px 10px; font-size: .78rem; }
.alert { margin-bottom: 16px; padding: 13px 15px; border-radius: 12px; } .alert-error { color: var(--red); background: var(--red-soft); } .alert-info { color: var(--green); background: var(--green-soft); }
.table-wrap { overflow-x: auto; } table { width: 100%; border-collapse: collapse; font-size: .83rem; } th { padding: 10px; color: var(--muted); border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; } td { padding: 12px 10px; border-bottom: 1px solid #edf1ef; vertical-align: top; } td small { display: block; margin-top: 5px; max-width: 380px; color: var(--muted); }
.tag { display: inline-block; padding: 4px 8px; border-radius: 999px; background: #edf2f0; font-size: .72rem; font-weight: 800; } .tag-new,.tag-knowledge_needed { color: var(--red); background: var(--red-soft); } .tag-reviewing { color: var(--amber); background: var(--amber-soft); } .tag-resolved { color: var(--green); background: var(--green-soft); }
.empty-state { padding: 28px; color: var(--muted); text-align: center; }
.detail-meta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; color: var(--muted); font-size: .85rem; }
.proposal-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 18px; border-radius: 14px; background: #f8fbf9; }
.proposal-form .wide { grid-column: 1 / -1; } label { display: grid; gap: 7px; color: #33413c; font-size: .86rem; font-weight: 700; }
input,textarea,select { width: 100%; border: 1px solid #cbd8d2; border-radius: 12px; padding: 11px 12px; color: var(--ink); background: #fff; outline: none; }
input:focus,textarea:focus,select:focus { border-color: var(--green-bright); box-shadow: 0 0 0 4px rgba(51,177,122,.12); }
.nested-table { margin-top: 20px; } a { color: var(--green); }
.trend-grid { display: grid; gap: 10px; } .trend-row { display: grid; grid-template-columns: 100px minmax(120px,1fr) 40px 170px; gap: 12px; align-items: center; font-size: .82rem; } .trend-row small { color: var(--muted); } .trend-track { height: 9px; overflow: hidden; border-radius: 999px; background: #edf2f0; } .trend-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--green),var(--green-bright)); }
.login-page { display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 20% 20%,#dff4e9,transparent 35%),#eff5f2; }
.login-card { width: min(430px,100%); padding: 34px; border: 1px solid #cee0d8; border-radius: 24px; background: rgba(255,255,255,.95); box-shadow: 0 24px 80px rgba(22,70,53,.13); } .login-card .brand-mark { margin-bottom: 24px; } .stack-form { display: grid; gap: 14px; }
@media (max-width: 860px) { .metric-grid { grid-template-columns: repeat(2,1fr); } .hero-panel { align-items: flex-start; gap: 18px; flex-direction: column; } }
@media (max-width: 520px) { .topbar { padding: 12px 16px; } .page-shell { width: min(100% - 20px,1240px); margin-top: 12px; } .metric-grid { grid-template-columns: 1fr; } .panel,.hero-panel { padding: 18px; border-radius: 15px; } .proposal-form { grid-template-columns: 1fr; } .proposal-form .wide { grid-column: auto; } .trend-row { grid-template-columns: 82px 1fr 30px; } .trend-row small { grid-column: 2 / -1; } }