:root{--ink:#1f2733;--muted:#6b7280;--line:#e5ddd1;--soft:#f7f2ea;--white:#fff;--navy:#16283f;--navy2:#1f3a57;--teal:#2f7f73;--amber:#b08a2e;--gold:#c49b31;--red:#c4362e;--green:#287150;--paper:#fffdf9;--cream:#f4efe7;--blue-soft:#eaf0f6;--green-soft:#e6f5ee;--amber-soft:#fff4da;--red-soft:#fff0ee;--shadow:0 16px 44px rgba(31,39,51,.1);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Microsoft JhengHei",sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--cream);font-size:15px;line-height:1.45}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer;color:inherit}.hidden{display:none!important}.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,rgba(202,166,62,.22),transparent 34%),linear-gradient(145deg,#102238,#1f3a57 68%,#274e64)}.login-card{width:min(440px,100%);padding:34px;border-radius:22px;background:rgba(255,255,255,.98);box-shadow:0 30px 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#aec8df;background:var(--blue-soft);color:#315b85}.form-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:16px}.modal{width:min(820px,calc(100% - 28px));max-height:90vh;padding:0;border:0;border-radius:18px;background:var(--paper);box-shadow:0 30px 90px rgba(15,29,45,.35)}.modal::backdrop{background:rgba(13,25,39,.56)}.modal form{padding:24px}.modal-head{display:flex;justify-content:space-between;align-items:flex-start}.modal-head h2{margin:2px 0}.modal-head button{font-size:26px;background:transparent}.stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:18px 0}.stepper span{padding:9px;border:1px solid var(--line);border-radius:8px;background:var(--soft);text-align:center;font-size:12px;font-weight:750}.stepper span.active{border-color:#aec8df;background:var(--blue-soft)}fieldset{margin:0;padding:12px;border:1px solid var(--line);border-radius:9px}legend{font-weight:800}.checks{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.checks label{display:flex;align-items:center;gap:7px;font-weight:500}.checks input{width:16px}.toast{position:fixed;right:24px;bottom:24px;z-index:90;max-width:360px;padding:12px 16px;border-radius:10px;background:var(--navy);color:#fff;box-shadow:var(--shadow);opacity:0;transform:translateY(15px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translateY(0)}@media(max-width:1120px){.topbar{flex-wrap:wrap;padding:8px 14px}.brand{border-right:0}.nav{order:3;width:100%}.main{padding:16px}.summary-grid{grid-template-columns:repeat(2,1fr)}.content-grid,.wide-left,.calendar-layout,.workspace-grid{grid-template-columns:1fr}.board{grid-template-columns:repeat(4,280px)}.settings-layout{grid-template-columns:1fr}.status-track{align-items:flex-start;flex-direction:column}.track{width:100%}}@media(max-width:680px){body{font-size:14px}.top-actions{margin-left:auto}.account-button{display:none}.nav button{font-size:0}.nav button::first-letter{font-size:18px}.page-head{align-items:flex-start}.page-head h1{font-size:24px}.summary-grid{grid-template-columns:1fr 1fr;gap:8px}.summary-card{min-height:90px;padding:13px}.summary-card strong{font-size:25px}.toolbar{grid-template-columns:1fr}.task-row{grid-template-columns:auto 1fr}.task-row .pill,.task-row .link-button{grid-column:2}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.checks{grid-template-columns:repeat(2,1fr)}.stepper{grid-template-columns:1fr 1fr}.calendar{min-width:700px}.calendar-layout>.card:first-child{overflow:auto}.demo-banner{align-items:flex-start;flex-wrap:wrap}}