/* ============================================================
   Computer Skills Development Center (CSDC)
   Theme derived from the institute logo (green palette)
   ============================================================ */
:root{
  --green-900:#0c3d1c;
  --green-800:#114a24;
  --green-700:#15642b;   /* deep logo green */
  --green-600:#1e7e34;   /* primary */
  --green-500:#2e9e44;   /* accent */
  --green-400:#43b658;
  --green-100:#e7f4ea;
  --green-50:#f1f8f3;
  --ink:#1f2a24;
  --muted:#6b7c72;
  --line:#e2ebe5;
  --bg:#f3f7f4;
  --white:#fff;
  --danger:#c0392b;
  --warn:#e08e0b;
  --ok:#1e7e34;
  --radius:12px;
  --shadow:0 1px 3px rgba(12,61,28,.08),0 6px 20px rgba(12,61,28,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Segoe UI',Roboto,system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.5;
}
a{color:var(--green-600);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:248px;background:linear-gradient(180deg,var(--green-800),var(--green-700));
  color:#dff3e4;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;z-index:50;
  transition:transform .25s ease;
}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.12)}
.sidebar .brand img{width:42px;height:42px;border-radius:50%;background:#fff;padding:2px}
.sidebar .brand b{color:#fff;font-size:15px;line-height:1.15;display:block}
.sidebar .brand span{font-size:11px;color:#a9d6b6}
.nav{padding:10px 8px}
.nav .sec{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:#8fc59e;padding:14px 12px 6px}
.nav a{display:flex;align-items:center;gap:10px;color:#dff3e4;padding:10px 12px;border-radius:9px;font-size:14px;margin-bottom:2px}
.nav a:hover{background:rgba(255,255,255,.10);text-decoration:none}
.nav a.active{background:var(--green-500);color:#fff;font-weight:600}
.nav a .ico{width:18px;text-align:center}

.main{margin-left:248px;flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  background:var(--white);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 22px;position:sticky;top:0;z-index:40;
}
.topbar .title{font-weight:700;font-size:17px}
.topbar .right{display:flex;align-items:center;gap:14px}
.user-chip{display:flex;align-items:center;gap:8px;font-size:13px}
.user-chip .av{width:34px;height:34px;border-radius:50%;background:var(--green-600);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.badge-role{font-size:11px;background:var(--green-100);color:var(--green-700);padding:2px 8px;border-radius:20px;font-weight:600}
.content{padding:22px;flex:1}

.menu-toggle{display:none;background:none;border:0;font-size:22px;cursor:pointer;color:var(--green-700)}

/* ---------- Cards / grids ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:22px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat .label{color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
.stat .num{font-size:26px;font-weight:800;margin-top:6px;color:var(--green-700)}
.stat .sub{font-size:12px;color:var(--muted);margin-top:2px}
.stat.green{border-left:4px solid var(--green-500)}
.stat.amber{border-left:4px solid var(--warn)}
.stat.red{border-left:4px solid var(--danger)}
.stat.blue{border-left:4px solid #2b6cb0}

.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:22px}
.panel .ph{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.panel .ph h3{margin:0;font-size:15px}
.panel .pb{padding:18px}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
table.tbl th,table.tbl td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
table.tbl th{background:var(--green-50);color:var(--green-800);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
table.tbl tbody tr:hover{background:#fafdfb}
table.tbl td.wrap{white-space:normal}

/* ---------- Status pills ---------- */
.pill{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:20px}
.pill.Paid,.pill.Converted,.pill.active,.pill.completed,.pill.Active,.pill.Yes,.pill.Present{background:#e3f5e8;color:#1e7e34}
.pill.InStock,.pill.New{background:#e3f5e8;color:#1e7e34}
.pill.Sold,.pill.Used{background:#e6effb;color:#2b6cb0}
.pill.Refurbished{background:#fdeecf;color:#a96a06}
.pill.Pending,.pill.Open,.pill.Leave,.pill.coming_soon{background:#fdeecf;color:#a96a06}
.pill.Partial,.pill\.Follow-up{background:#e6effb;color:#2b6cb0}
.pill.Reference{background:#eee;color:#555}
.pill.Lost,.pill.disabled,.pill.inactive,.pill.Revoked,.pill.No,.pill.Absent{background:#fbe4e1;color:#c0392b}
.profit-pos{color:var(--ok);font-weight:700}
.profit-neg{color:var(--danger);font-weight:700}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:4px}
.field label{font-size:12.5px;font-weight:600;color:#43564a}
.field .req{color:var(--danger)}
input,select,textarea{
  font:inherit;padding:9px 11px;border:1px solid #cdd9d1;border-radius:9px;background:#fff;width:100%;color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green-500);box-shadow:0 0 0 3px rgba(46,158,68,.15)}
input[readonly]{background:#f3f6f4;color:#5c6b62}
textarea{resize:vertical;min-height:70px}
.help{font-size:11.5px;color:var(--muted)}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:0 0 18px}
fieldset legend{font-weight:700;color:var(--green-700);padding:0 8px;font-size:13.5px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:0;border-radius:9px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer;font-size:13.5px}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--green-600);color:#fff}
.btn-primary:hover{background:var(--green-700)}
.btn-light{background:var(--green-50);color:var(--green-700);border:1px solid var(--line)}
.btn-light:hover{background:var(--green-100)}
.btn-danger{background:#fbe4e1;color:var(--danger)}
.btn-danger:hover{background:#f6cfc9}
.btn-sm{padding:6px 11px;font-size:12.5px}
.btn-block{width:100%;justify-content:center}
.actions-row{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- Filters bar ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.filters .field{margin:0;min-width:150px}

/* ---------- Alerts ---------- */
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:13.5px;border:1px solid transparent}
.alert.success{background:#e3f5e8;color:#1e6e32;border-color:#bfe6c9}
.alert.error{background:#fbe4e1;color:#a5281b;border-color:#f0c4bd}
.alert.info{background:#e6effb;color:#22507f;border-color:#c4d8f0}
.alert.warn{background:#fdeecf;color:#8a5a06;border-color:#f0dca8}

/* ---------- Notifications list ---------- */
.notif{display:flex;gap:12px;padding:11px 4px;border-bottom:1px solid var(--line);font-size:13.5px}
.notif:last-child{border-bottom:0}
.notif .dot{width:9px;height:9px;border-radius:50%;margin-top:6px;flex:none}
.notif .dot.red{background:var(--danger)}
.notif .dot.amber{background:var(--warn)}
.bell{position:relative;font-size:20px;color:var(--green-700);cursor:pointer}
.bell .count{position:absolute;top:-6px;right:-8px;background:var(--danger);color:#fff;font-size:10px;font-weight:700;border-radius:20px;padding:1px 6px}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--green-700),var(--green-900));padding:20px}
.login-card{background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.25);width:100%;max-width:400px;padding:34px 30px;text-align:center}
.login-card img{width:90px;height:90px;border-radius:50%;margin-bottom:8px}
.login-card h1{font-size:18px;margin:6px 0 2px;color:var(--green-800)}
.login-card p.tag{color:var(--muted);font-size:13px;margin:0 0 22px}
.login-card .field{text-align:left}

/* ---------- Utility ---------- */
.hide{display:none!important}
.flex{display:flex}.between{justify-content:space-between}.items-center{align-items:center}
.gap{gap:10px}.mt{margin-top:16px}.mb{margin-bottom:16px}.right{text-align:right}.center{text-align:center}
.muted{color:var(--muted)}.small{font-size:12px}.bold{font-weight:700}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .menu-toggle{display:block}
  .grid-2{grid-template-columns:1fr}
}

/* ---------- Print ---------- */
@media print{
  .sidebar,.topbar,.no-print{display:none!important}
  .main{margin-left:0}
  .content{padding:0}
  body{background:#fff}
}

/* ---- additions for reports / users / import / backup pages ---- */
.alert-ok{background:#e3f5e8;color:#1e6e32;border-color:#bfe6c9}
.alert-warn{background:#fdeecf;color:#8a5a06;border-color:#f0dca8}
.alert-error{background:#fbe4e1;color:#a5281b;border-color:#f0c4bd}
.alert-info{background:#e6effb;color:#22507f;border-color:#c4d8f0}
.m0{margin:0;padding-left:18px}
.panel.narrow{max-width:560px}
.summary-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:#eef6f0;color:#1e6e32;border:1px solid #cfe7d6;border-radius:20px;padding:4px 12px;font-size:12.5px}
.chip b{font-weight:600}
.map-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.field-actions{align-self:end}

/* ---- multi-course picker: dropdown + chips (tags) ---- */
.chips-input{display:flex;flex-wrap:wrap;gap:8px;align-items:center;min-height:44px;
  border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:#fafdfb;margin-bottom:8px}
.chip-tag{display:inline-flex;align-items:center;gap:6px;background:var(--green-600,#1e7e34);color:#fff;
  border-radius:20px;padding:5px 6px 5px 12px;font-size:13px;font-weight:600;line-height:1}
.chip-x{border:none;background:rgba(255,255,255,.25);color:#fff;width:20px;height:20px;border-radius:50%;
  cursor:pointer;font-size:15px;line-height:1;display:flex;align-items:center;justify-content:center;padding:0}
.chip-x:hover{background:rgba(255,255,255,.45)}
.course-select{max-width:360px}

/* ---- instructor assignment / attendance ---- */
.check-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.check-card{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:9px;padding:9px 10px;background:#fafdfb}
.check-card input{width:auto}
.check-card-stack{align-items:flex-start;flex-direction:column;gap:6px}
.check-card-stack label{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#43564a}
.attendance-options{display:grid;grid-template-columns:repeat(3,max-content);gap:8px 14px;align-items:center;justify-content:start}
.attendance-options label{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:#43564a}
.attendance-options input{width:auto}
table.attendance-table th,table.attendance-table td{white-space:normal}
table.attendance-table .col-num{width:48px}
table.attendance-table .col-attendance{width:290px}
table.attendance-table td:last-child{min-width:260px}

/* ---- pagination ---- */
.pager{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:14px;justify-content:center}
.pager .btn.disabled{opacity:.45;pointer-events:none}
.btn.disabled{opacity:.45;pointer-events:none}

/* ---- certificate verification ---- */
.serial-code{font-family:Consolas,Monaco,monospace;font-size:18px;font-weight:800;letter-spacing:.06em;color:var(--green-800)}
.serial-link-input{max-width:520px;font-size:12.5px;padding:7px 9px}
.verify-page{background:radial-gradient(circle at top,#f8fcf9 0,#eef7f1 42%,#f6faf7 100%)}
.verify-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px}
.verify-card{width:100%;max-width:780px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(12,61,28,.12);padding:30px}
.verify-brand{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;margin-bottom:24px}
.verify-brand img{width:104px;height:104px;border-radius:50%;background:#fff;padding:4px;border:1px solid #cfe2d3;box-shadow:0 8px 22px rgba(12,61,28,.12)}
.verify-brand h1{margin:0;color:var(--green-800);font-size:26px;line-height:1.2}
.verify-brand p{margin:4px 0 0;color:var(--muted);font-weight:600}
.verify-form{border:1px solid var(--line);border-radius:12px;background:#f8fcf9;padding:16px;margin-bottom:22px}
.verify-form label{display:block;font-size:12.5px;font-weight:700;color:#43564a;margin-bottom:8px}
.verify-search-row{display:grid;grid-template-columns:1fr auto;gap:10px}
.verify-search-row input{font-family:Consolas,Monaco,monospace;font-size:18px;font-weight:700;letter-spacing:.05em}
.verify-note{margin:0;color:var(--muted);text-align:center}
.verify-status{font-size:24px;font-weight:800;color:var(--ok);margin:4px 0 8px;text-align:center}
.verify-status.invalid{color:var(--danger)}
.verify-table{margin-top:18px}
.verify-table th{width:220px}
@media (max-width:620px){
  .verify-card{padding:22px}
  .verify-brand img{width:86px;height:86px}
  .verify-brand h1{font-size:21px}
  .verify-search-row{grid-template-columns:1fr}
}