/* QC Cloud — Quality Control System */
:root {
  --primary:       #1A3A6B;
  --primary-dark:  #0D2B52;
  --primary-light: #2E6AB4;
  --accent:        #90CAF9;
  --gold:          #C9A84C;
  --gold-light:    rgba(201,168,76,0.18);
  --sidebar-bg:    #1464B8;
  --sidebar-text:  #EBF2FF;
  --sidebar-hover: rgba(255,255,255,0.15);
  --sidebar-active:#1565C0;
  --card-bg:       #ffffff;
  --card-border:   #D0DCEE;
  --body-bg:       #F2F5FA;
  --text:          #0D1B2E;
  --text-muted:    #5C7FA0;
  --danger:        #c62828;
  --success:       #2e7d32;
  --warning:       #f57f17;
  --info:          #0277bd;
  --table-stripe:  #EEF3FA;
  --table-header:  #1A3A6B;
  --border:        #D4DFEE;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --card-bg:      #1A2035;
    --card-border:  #1E3A5F;
    --body-bg:      #0F1B30;
    --text:         #E3F2FD;
    --text-muted:   #7BAFD4;
    --border:       #1E3A5F;
    --table-stripe: #1C2940;
    --sidebar-bg:   #0A1A3D;
  }
}
:root[data-theme="dark"] {
  --card-bg:      #1A2035;
  --card-border:  #1E3A5F;
  --body-bg:      #0F1B30;
  --text:         #E3F2FD;
  --text-muted:   #7BAFD4;
  --border:       #1E3A5F;
  --table-stripe: #1C2940;
  --sidebar-bg:   #0A1A3D;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font-family: 'Segoe UI', system-ui, sans-serif; font-size: 14px;
       color: var(--text); background: var(--body-bg); display: flex; }

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar {
  width: 220px; min-height: 100vh; background: var(--sidebar-bg);
  color: var(--sidebar-text); display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 200; overflow-y: auto;
}
.sidebar-brand { padding: 20px 16px 10px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.sidebar-brand .brand-name { font-size: 16px; font-weight: 700; color: #fff; }
.sidebar-brand .brand-sub  { font-size: 10px; color: var(--gold); letter-spacing: .5px; text-transform: uppercase; }
.sidebar-credit { font-size: 10px; color: rgba(255,255,255,0.55); padding: 8px 16px 4px; line-height: 1.4; }
.sidebar-credit strong { color: rgba(255,255,255,0.8); display: block; }
.sidebar-nav { flex: 1; padding: 8px 0; }
.nav-section { font-size: 9px; font-weight: 700; letter-spacing: 1px;
               text-transform: uppercase; color: rgba(255,255,255,0.4);
               padding: 12px 16px 4px; }
.nav-item { display: flex; align-items: center; gap: 8px;
            padding: 8px 16px; color: var(--sidebar-text); text-decoration: none;
            font-size: 13px; transition: background .15s; border-left: 3px solid transparent; }
.nav-item:hover  { background: var(--sidebar-hover); }
.nav-item.active { background: var(--gold-light); border-left-color: var(--gold); color: #fff; font-weight: 600; }
.nav-item .icon  { width: 16px; text-align: center; opacity: .8; }

/* ── Main ────────────────────────────────────────────────────────────── */
.main-wrap { margin-left: 220px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
  background: var(--card-bg); border-bottom: 1px solid var(--border);
  padding: 10px 24px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
}
.topbar-title { font-size: 18px; font-weight: 700; color: var(--primary); }
.topbar-user  { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 12px; }
.topbar-user a { color: var(--primary); text-decoration: none; font-weight: 600; }
.content { padding: 24px; flex: 1; }

/* ── Cards ───────────────────────────────────────────────────────────── */
.card { background: var(--card-bg); border: 1px solid var(--card-border);
        border-radius: 8px; overflow: hidden; }
.card-header { background: var(--primary); color: #fff;
               padding: 10px 16px; font-weight: 600; font-size: 13px; }
.card-body   { padding: 16px; }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.qms-table  { width: 100%; border-collapse: collapse; font-size: 13px; }
.qms-table th { background: var(--table-header); color: #fff;
                padding: 9px 12px; text-align: left; font-weight: 600;
                white-space: nowrap; }
.qms-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.qms-table tr:nth-child(even) td { background: var(--table-stripe); }
.qms-table tr:hover td { background: rgba(21,101,192,0.06); }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn-primary    { background: var(--primary); color: #fff; border: none; border-radius: 5px; padding: 8px 18px; font-size: 13px; cursor: pointer; font-weight: 600; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline    { background: transparent; color: var(--primary); border: 1px solid var(--primary); border-radius: 5px; padding: 7px 14px; font-size: 13px; cursor: pointer; font-weight: 500; text-decoration: none; display: inline-block; }
.btn-outline:hover { background: rgba(21,101,192,0.08); }
.btn-danger     { background: var(--danger); color: #fff; border: none; border-radius: 5px; padding: 7px 14px; font-size: 13px; cursor: pointer; }
.btn-sm         { padding: 4px 10px; font-size: 12px; }
.btn-success    { background: var(--success); color: #fff; border: none; border-radius: 5px; padding: 7px 14px; font-size: 13px; cursor: pointer; }

/* ── Forms ───────────────────────────────────────────────────────────── */
.form-label   { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .4px; }
.form-control { width: 100%; border: 1px solid var(--border); border-radius: 5px;
                padding: 8px 10px; font-size: 13px; color: var(--text); background: var(--card-bg); }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(21,101,192,.15); }
.form-select  { width: 100%; border: 1px solid var(--border); border-radius: 5px;
                padding: 8px 10px; font-size: 13px; color: var(--text); background: var(--card-bg); }
.form-row     { display: grid; gap: 14px; margin-bottom: 14px; }
.form-row-2   { grid-template-columns: 1fr 1fr; }
.form-row-3   { grid-template-columns: 1fr 1fr 1fr; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ── Badges ──────────────────────────────────────────────────────────── */
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge-success { background: #e8f5e9; color: var(--success); }
.badge-danger  { background: #ffebee; color: var(--danger); }
.badge-warning { background: #fff8e1; color: var(--warning); }
.badge-info    { background: #e3f2fd; color: var(--info); }
.badge-default { background: #e3f2fd; color: var(--primary); }
.badge-secondary { background: #eeeeee; color: #555; }

/* ── Alerts ──────────────────────────────────────────────────────────── */
.alert { padding: 10px 16px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.alert-success { background: #e8f5e9; color: var(--success); border-left: 4px solid var(--success); }
.alert-danger  { background: #ffebee; color: var(--danger);  border-left: 4px solid var(--danger); }
.alert-warning { background: #fff8e1; color: var(--warning); border-left: 4px solid var(--warning); }

/* ── Filter bar ──────────────────────────────────────────────────────── */
.filter-bar { background: var(--card-bg); border: 1px solid var(--border);
              border-radius: 8px; padding: 12px 16px; margin-bottom: 16px;
              display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.filter-bar .filter-group { display: flex; flex-direction: column; gap: 3px; min-width: 140px; }
.filter-bar .filter-label { font-size: 10px; font-weight: 700; text-transform: uppercase;
                             letter-spacing: .5px; color: var(--text-muted); }

/* ── Stat cards ──────────────────────────────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card { background: var(--card-bg); border: 1px solid var(--card-border);
             border-radius: 8px; padding: 16px; text-align: center; }
.stat-card .stat-num { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-card .stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-top: 4px; }

/* ── Attachment list ─────────────────────────────────────────────────── */
.attachment-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.attachment-item { display: flex; align-items: center; gap: 8px; padding: 6px 8px;
                   border: 1px solid var(--border); border-radius: 5px; font-size: 13px; }
.attachment-item a { color: var(--primary); text-decoration: none; flex: 1; }
.attachment-item a:hover { text-decoration: underline; }

/* ── Modal ───────────────────────────────────────────────────────────── */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.45);
                 z-index:1000; align-items:center; justify-content:center; }
.modal-overlay.open { display:flex; }
.modal-box { background: var(--card-bg); border-radius:8px; padding:28px;
             width:520px; max-width:95vw; max-height:90vh; overflow-y:auto;
             box-shadow:0 8px 32px rgba(0,0,0,.25); }
.modal-title { font-size:16px; font-weight:700; margin-bottom:18px; color:var(--primary); }
.modal-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:18px; }

/* ── Misc ────────────────────────────────────────────────────────────── */
.page-actions { display:flex; align-items:center; gap:10px; margin-bottom:18px; }
.text-muted   { color: var(--text-muted); }
.text-right   { text-align: right; }
.mt-1 { margin-top:4px; } .mt-2 { margin-top:8px; } .mt-3 { margin-top:14px; }
.mb-1 { margin-bottom:4px; } .mb-2 { margin-bottom:8px; } .mb-3 { margin-bottom:14px; }
.w-100 { width: 100%; }
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ── Large monitors (1400px+) ────────────────────────────────────────── */
@media (min-width: 1400px) {
  .sidebar { width: 240px; }
  .main-wrap { margin-left: 240px; }
  .content { padding: 28px 36px; }
  .topbar { padding: 12px 36px; }
  .topbar-title { font-size: 20px; }
  .stat-card .stat-num { font-size: 34px; }
  .qms-table { font-size: 14px; }
  .qms-table th, .qms-table td { padding: 10px 14px; }
}

/* ── Extra large monitors (1920px+) ─────────────────────────────────── */
@media (min-width: 1920px) {
  .sidebar { width: 260px; }
  .main-wrap { margin-left: 260px; }
  .content { padding: 32px 48px; max-width: 1800px; }
  .topbar { padding: 14px 48px; }
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  .stat-card .stat-num { font-size: 40px; }
  .form-control, .form-select { font-size: 14px; padding: 10px 12px; }
  body { font-size: 15px; }
}

/* ── Medium screens / tablets (900–1200px) ───────────────────────────── */
@media (max-width: 1200px) and (min-width: 769px) {
  .sidebar { width: 200px; }
  .main-wrap { margin-left: 200px; }
  .content { padding: 18px; }
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
}

/* ── Mobile / small screens (≤768px) ────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-220px); transition: transform .2s; position: fixed; z-index: 300; }
  .sidebar.open { transform: translateX(0); }
  .main-wrap { margin-left: 0; }
  .content { padding: 14px; }
  .topbar { padding: 10px 14px; }
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .topbar-title { font-size: 15px; }
  .filter-bar { flex-direction: column; }
  .filter-bar .filter-group { min-width: 100%; }
  .cal-grid { font-size: 11px; }
  .cal-cell { min-height: 70px; }
  .table-wrap { -webkit-overflow-scrolling: touch; }
}

/* ── Hamburger button (mobile only) ─────────────────────────────────── */
.hamburger { display: none; background: none; border: none; cursor: pointer;
             padding: 4px 8px; font-size: 22px; color: var(--primary); }
@media (max-width: 768px) {
  .hamburger { display: inline-block; }
  .sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4);
                     z-index: 299; }
  .sidebar-overlay.open { display: block; }
}