/* ED1 Task Manager — design system v3 (light + dark) */
:root{
  --accent:#2E75B6; --accent-600:#245e94; --accent-050:#eaf2fb;
  --navy:#1F3864;
  --bg:#f3f5fa; --surface:#ffffff; --surface-2:#f8fafc; --sidebar:#ffffff;
  --line:#e8ecf3; --line-2:#f0f3f8;
  --ink:#0d1526; --body:#475467; --muted:#667085; --faint:#98a2b3;
  --nav-active:#1F3864; --nav-active-ink:#ffffff;
  --green:#15803d; --amber:#b45309; --red:#c0392b;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.05);
  --shadow-md:0 8px 24px rgba(16,24,40,.08);
  --radius:16px; --radius-sm:11px; --radius-xs:9px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,Helvetica,sans-serif;
}
html[data-theme="dark"]{
  --accent:#4b93d6; --accent-600:#3f83c2; --accent-050:#16283b;
  --navy:#0f1c33;
  --bg:#0b0f16; --surface:#131a25; --surface-2:#18212e; --sidebar:#0e141d;
  --line:#243040; --line-2:#1b2431;
  --ink:#eef2f7; --body:#b7c1ce; --muted:#8b96a6; --faint:#657084;
  --nav-active:#2E75B6; --nav-active-ink:#ffffff;
  --green:#3ecf8e; --amber:#e0a13a; --red:#f0736a;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3); --shadow-md:0 10px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{font-family:var(--font);background:var(--bg);color:var(--body);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;transition:background .2s,color .2s;}
h1,h2,h3{color:var(--ink);}
a{color:var(--accent);text-decoration:none;}

/* ---------- Auth ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(1000px 500px at 15% -10%,#356099 0%,transparent 55%),linear-gradient(140deg,#1F3864 0%,#0e1c33 100%);}
.auth-card{background:var(--surface);border-radius:20px;padding:38px 34px;width:100%;max-width:412px;box-shadow:0 30px 70px rgba(2,10,30,.4);border:1px solid var(--line);}
.auth-title{font-size:22px;text-align:center;margin:0 0 4px;letter-spacing:.2px;}
.auth-sub{text-align:center;color:var(--muted);font-size:13px;margin:0 0 22px;}
.theme-fab{position:fixed;top:18px;right:18px;background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.25);width:40px;height:40px;border-radius:12px;font-size:17px;display:flex;align-items:center;justify-content:center;cursor:pointer;}

/* ---------- Form controls ---------- */
label{display:block;font-size:12px;font-weight:600;color:var(--body);margin:14px 0 6px;}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:var(--radius-xs);font-size:14px;font-family:inherit;background:var(--surface);color:var(--ink);transition:border-color .15s,box-shadow .15s,background .2s;}
input::placeholder,textarea::placeholder{color:var(--faint);}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-050);}
textarea{min-height:96px;resize:vertical;}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23889'  stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:32px;}

button{cursor:pointer;font-family:inherit;}
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:var(--radius-xs);font-size:13.5px;font-weight:600;border:1px solid var(--line);background:var(--surface);color:var(--body);transition:all .15s;box-shadow:var(--shadow-sm);}
.btn:hover{background:var(--surface-2);border-color:var(--accent);color:var(--ink);}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-primary:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;}
.btn-navy{background:var(--navy);color:#fff;border-color:var(--navy);}
.btn-navy:hover{filter:brightness(1.15);color:#fff;}
.btn-success{background:var(--green);color:#06231a;border-color:var(--green);}
.btn-danger{background:var(--red);color:#fff;border-color:var(--red);}
.btn-ghost{background:transparent;border-color:transparent;box-shadow:none;color:var(--muted);}
.btn-ghost:hover{background:var(--surface-2);color:var(--ink);border-color:transparent;}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:8px;}
.btn-block{width:100%;justify-content:center;padding:12px;}
.btn:disabled{opacity:.55;cursor:not-allowed;}
.status{margin-top:14px;text-align:center;font-size:13px;font-weight:600;min-height:16px;}
.status.err{color:var(--red);} .status.ok{color:var(--green);}

/* ---------- Shell ---------- */
#app{display:flex;min-height:100vh;}
.sidebar{width:250px;min-width:250px;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;}
.brand{display:flex;align-items:center;gap:11px;padding:20px 18px 18px;}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#2E75B6,#1F3864);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;letter-spacing:.5px;box-shadow:var(--shadow-sm);}
.brand-title{font-size:14.5px;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--faint);margin-top:2px;}
.role-pill{margin:6px 16px 10px;text-align:center;font-size:11px;font-weight:700;padding:7px;border-radius:20px;letter-spacing:.02em;}
.role-sa{background:var(--navy);color:#fff;} .role-admin{background:var(--accent-050);color:var(--accent);}
.nav-label{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--faint);padding:10px 20px 6px;}
.nav{display:flex;flex-direction:column;gap:3px;padding:2px 12px;flex:1;overflow:auto;}
.navlink{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-xs);font-size:14px;font-weight:500;color:var(--body);position:relative;}
.navlink svg{width:18px;height:18px;stroke:currentColor;opacity:.75;}
.navlink:hover{background:var(--surface-2);color:var(--ink);}
.navlink.active{background:var(--nav-active);color:var(--nav-active-ink);font-weight:600;box-shadow:var(--shadow-sm);}
.navlink.active svg{opacity:1;}
.nav-badge{margin-left:auto;background:var(--red);color:#fff;font-size:11px;font-weight:700;border-radius:20px;padding:1px 7px;min-width:20px;text-align:center;}
.sidebar-foot{border-top:1px solid var(--line);padding:14px 16px;}
.who-row{display:flex;align-items:center;gap:10px;}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-050);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0;}
.who{min-width:0;flex:1;}
.who-name{font-size:12.5px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.who-email{font-size:11px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.logout{margin-top:10px;width:100%;justify-content:center;}

.main{flex:1;display:flex;flex-direction:column;overflow:auto;min-width:0;}
.topbar{height:62px;background:color-mix(in srgb,var(--surface) 80%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:20;}
.topbar h1{font-size:17px;margin:0;font-weight:800;letter-spacing:-.01em;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-note{font-size:13px;color:var(--muted);}
.theme-toggle{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--body);font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);}
.theme-toggle:hover{border-color:var(--accent);color:var(--ink);}
.content{padding:26px;max-width:1240px;width:100%;}

/* ---------- Cards / KPI ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);}
.grid{display:grid;gap:16px;}
.grid-2{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);} .grid-5{grid-template-columns:repeat(5,1fr);}
@media(max-width:1050px){.grid-5,.grid-4{grid-template-columns:repeat(2,1fr);}.grid-3,.grid-2{grid-template-columns:1fr;}}

.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;display:flex;flex-direction:column;gap:10px;color:inherit;transition:transform .12s,box-shadow .12s,border-color .12s;}
a.kpi:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--accent);}
.kpi-ico{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:var(--accent-050);color:var(--accent);}
.kpi.k-amber .kpi-ico{background:color-mix(in srgb,var(--amber) 15%,transparent);color:var(--amber);}
.kpi.k-green .kpi-ico{background:color-mix(in srgb,var(--green) 15%,transparent);color:var(--green);}
.kpi.k-red .kpi-ico{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red);}
.kpi.k-navy .kpi-ico{background:var(--accent-050);color:var(--accent);}
.kpi-num{font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1;}
.kpi-label{font-size:12.5px;color:var(--muted);}

.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
.section-head h2{font-size:15.5px;margin:0;font-weight:700;}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap;}
.page-head h2{font-size:19px !important;font-weight:800;letter-spacing:-.01em;}
.muted{color:var(--muted);} .faint{color:var(--faint);}
.empty{padding:48px;text-align:center;color:var(--muted);}
.row-gap{display:flex;gap:10px;flex-wrap:wrap;}
hr{border:none;border-top:1px solid var(--line);margin:16px 0;}

/* ---------- Filter toolbar (the "smart" bar) ---------- */
.toolbar{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow-sm);margin-bottom:18px;}
.toolbar-row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;}
.field{display:flex;flex-direction:column;gap:5px;min-width:150px;}
.field.grow{flex:1;min-width:200px;}
.field label{margin:0;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint);font-weight:700;}
.field input,.field select{padding:8px 11px;font-size:13px;border-radius:8px;}
.toolbar .btn{align-self:flex-end;}
.check{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--body);white-space:nowrap;padding-bottom:9px;}
.check input{width:auto;}

/* Filter bars (shared markup across pages) styled as a smart toolbar */
.filters{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;}
.filters>div{display:flex;flex-direction:column;gap:5px;flex:1;min-width:148px;}
.filters label{margin:0;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint);font-weight:700;}
.filters input,.filters select{padding:8px 11px;font-size:13px;border-radius:8px;}
.filter-actions{display:flex;gap:12px;align-items:center;margin-top:14px;flex-wrap:wrap;padding-top:14px;border-top:1px solid var(--line-2);}
.searchbar{display:flex;gap:8px;align-items:center;}
.searchbar input{max-width:300px;padding:8px 11px;font-size:13px;border-radius:8px;}

/* ---------- Tables ---------- */
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
table{width:100%;border-collapse:collapse;font-size:13.5px;}
thead th{text-align:left;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:13px 16px;background:var(--surface-2);border-bottom:1px solid var(--line);white-space:nowrap;}
tbody td{padding:14px 16px;border-bottom:1px solid var(--line-2);color:var(--body);vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background .1s;}
tbody tr:hover td{background:var(--surface-2);}
td strong{color:var(--ink);font-weight:600;}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:8px;font-size:11.5px;font-weight:600;line-height:1.4;white-space:nowrap;}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}
.badge-flat::before{display:none;}
.badge-in_progress{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);}
.badge-pending_review{background:color-mix(in srgb,var(--amber) 16%,transparent);color:var(--amber);}
.badge-approved{background:color-mix(in srgb,var(--green) 16%,transparent);color:var(--green);}
.badge-rejected{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red);}
.badge-low{background:var(--surface-2);color:var(--muted);}
.badge-medium{background:color-mix(in srgb,var(--amber) 15%,transparent);color:var(--amber);}
.badge-high{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red);}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--accent-050);color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;margin:3px;}
.chip .x{cursor:pointer;font-weight:700;opacity:.7;} .chip .x:hover{opacity:1;}

/* ---------- Pagination ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;flex-wrap:wrap;}
.pager .info{font-size:13px;color:var(--muted);}

/* ---------- Charts ---------- */
.chart-box{position:relative;height:250px;}
.chart-box.sm{height:220px;}

/* ---------- Activity / feed ---------- */
.feed{display:flex;flex-direction:column;}
.feed-item{display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--line-2);align-items:center;}
.feed-item:last-child{border-bottom:none;}
.feed-dot{width:36px;height:36px;border-radius:11px;background:var(--accent-050);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;}
.feed-body{min-width:0;flex:1;}
.feed-text{font-size:13.5px;color:var(--ink);}
.feed-meta{font-size:12px;color:var(--faint);margin-top:2px;}

/* ---------- Modal ---------- */
.modal-back{position:fixed;inset:0;background:rgba(9,14,22,.55);display:none;align-items:center;justify-content:center;padding:20px;z-index:60;backdrop-filter:blur(3px);}
.modal-back.open{display:flex;}
.modal{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;width:100%;max-width:460px;max-height:90vh;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.5);}
.modal h3{margin:0 0 16px;font-size:17px;}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;}

/* ============ v4 additions: components + responsiveness ============ */

/* segmented status control */
.seg{display:inline-flex;flex-wrap:wrap;gap:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:11px;padding:4px;margin-bottom:14px;}
.seg-btn{border:none;background:transparent;color:var(--muted);font-weight:600;font-size:13px;padding:7px 14px;border-radius:8px;cursor:pointer;}
.seg-btn:hover{color:var(--ink);}
.seg-btn.active{background:var(--surface);color:var(--accent);box-shadow:var(--shadow-sm);}
html[data-theme="dark"] .seg-btn.active{background:var(--accent);color:#fff;}

/* days-to-due pill */
.due{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:12.5px;padding:3px 10px;border-radius:8px;white-space:nowrap;}
.due-ok{background:var(--surface-2);color:var(--body);}
.due-soon{background:color-mix(in srgb,var(--amber) 16%,transparent);color:var(--amber);}
.due-over{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red);}
.due-none{color:var(--faint);}

/* clickable titles */
.link-title{color:var(--ink);font-weight:600;cursor:pointer;background:none;border:none;padding:0;font-size:13.5px;font-family:inherit;text-align:left;}
.link-title:hover{color:var(--accent);text-decoration:underline;}

/* unit cards */
.unit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;}
.unit-card{cursor:pointer;display:flex;flex-direction:column;gap:8px;transition:transform .12s,box-shadow .12s,border-color .12s;}
.unit-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--accent);}
.unit-card .u-name{font-size:16px;font-weight:700;color:var(--ink);}
.unit-card .u-meta{font-size:12.5px;color:var(--muted);}
.unit-card .u-foot{display:flex;align-items:center;justify-content:space-between;margin-top:6px;}
.count-pill{background:var(--accent-050);color:var(--accent);font-weight:700;font-size:12px;padding:3px 10px;border-radius:20px;}

/* detail rows in modal */
.dl{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;font-size:13.5px;margin:2px 0 4px;}
.dl dt{color:var(--muted);font-weight:600;} .dl dd{margin:0;color:var(--ink);}

/* mobile menu button + backdrop */
.menu-btn{display:none;width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--ink);align-items:center;justify-content:center;margin-right:10px;}
.menu-btn svg{width:20px;height:20px;stroke:currentColor;}
.backdrop{display:none;position:fixed;inset:0;background:rgba(5,10,18,.5);z-index:45;}
.backdrop.open{display:block;}
.topbar-left{display:flex;align-items:center;min-width:0;}

/* horizontal scroll safety for wide tables */
.table-wrap{overflow-x:auto;}
table{min-width:480px;}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .sidebar{position:fixed;left:0;top:0;z-index:50;transform:translateX(-100%);transition:transform .22s ease;box-shadow:var(--shadow-md);}
  .sidebar.open{transform:none;}
  .menu-btn{display:inline-flex;}
  .content{padding:18px 14px;}
  .topbar{padding:0 14px;}
}
@media(max-width:560px){
  body{font-size:13.5px;}
  .grid-5,.grid-4,.grid-3,.grid-2{grid-template-columns:1fr 1fr;}
  .topbar-note{display:none;}
  .topbar h1{font-size:16px;}
  .kpi-num{font-size:24px;}
  .modal{max-width:100%;padding:20px 18px;}
  thead th,tbody td{padding:11px 12px;}
  .dl{grid-template-columns:96px 1fr;}
}
@media(max-width:400px){
  .grid-5,.grid-4{grid-template-columns:1fr;}
}