:root{--primary:#1f4f8f;--bg:#f5f7fb;--text:#1f2937;--border:#d9e0ea;--danger:#b42318}
*{box-sizing:border-box}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}.center-page{min-height:100vh;display:grid;place-items:center;padding:20px}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;margin:18px 0;box-shadow:0 5px 18px rgba(0,0,0,.04)}
.login-card{width:min(440px,100%)}.install-card{width:min(760px,100%)}.narrow{max-width:520px}
label{display:block;font-weight:700;margin:12px 0}input{width:100%;padding:11px;border:1px solid var(--border);border-radius:8px;margin-top:6px;background:#fff}
.button{display:inline-block;border:0;border-radius:8px;padding:10px 14px;background:#e9eef6;color:#17365f;cursor:pointer;font-weight:700}
.button.primary{background:var(--primary);color:#fff}.button.danger{background:#fee4e2;color:var(--danger)}.full-btn{width:100%;margin-top:12px}
.alert{padding:12px 14px;border-radius:9px;margin:12px 0}.alert.success{background:#dcfae6;color:#05603a}.alert.danger{background:#fee4e2;color:#912018}
.muted{color:#667085}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#fff;border-bottom:1px solid var(--border);padding:14px 24px;position:sticky;top:0;z-index:5}
.topbar nav{display:flex;gap:14px;flex-wrap:wrap}.container{max-width:1500px;margin:auto;padding:20px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.dept-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;color:var(--text)}.dept-card:hover{border-color:var(--primary)}
.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.grid .full{grid-column:1/-1}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin:16px 0}.inline-form{display:flex;gap:8px;align-items:end}.inline-form input{min-width:180px}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--border);border-radius:12px}table{border-collapse:collapse;width:100%;min-width:760px}th,td{border-bottom:1px solid var(--border);padding:10px;vertical-align:middle;text-align:right}
th{background:#f0f4f9;white-space:nowrap}td input{min-width:150px;margin:0}.actions{display:flex;gap:6px;white-space:nowrap}.empty{background:#fff;padding:30px;text-align:center;border-radius:12px;border:1px dashed var(--border)}
@media(max-width:750px){.topbar{align-items:flex-start;flex-direction:column}.grid.two,.grid.three{grid-template-columns:1fr}.inline-form{width:100%}.inline-form input{flex:1}.container{padding:12px}}