/* ═══════════════════════════════════════════
   QDM — main.css
   Light / Dark themes · Metafora Biosystems style
═══════════════════════════════════════════ */

/* ─── Custom Properties · Modern Palette ─── */
:root {
  /* Surfaces */
  --bg:            #f4f7fb;
  --bg-2:          #ffffff;
  --bg-3:          #eef3f9;
  --bg-elevated:   #ffffff;

  /* Sidebar — deeper navy with blue accent */
  --sidebar-bg:    #0f2540;
  --sidebar-bg-2:  #163255;
  --sidebar-text:  #b4cce5;
  --sidebar-active:#4ba3ff;

  /* Text & borders */
  --text:          #0f1f33;
  --text-muted:    #5a7290;
  --text-faint:    #94a8c0;
  --border:        #d8e3ef;
  --border-light:  #e9eff7;

  /* Brand colors — refined */
  --primary:       #1565c7;
  --primary-2:     #1e88e5;
  --primary-hover: #0d4ea3;
  --primary-soft:  rgba(21,101,199,.10);

  --success:       #16a34a;
  --success-soft:  rgba(22,163,74,.10);
  --warning:       #d97706;
  --warning-soft:  rgba(217,119,6,.10);
  --danger:        #dc2626;
  --danger-soft:   rgba(220,38,38,.10);
  --info:          #0891b2;
  --info-soft:     rgba(8,145,178,.10);
  --secondary:     #64748b;

  /* Shadows — softer, more layered */
  --shadow-xs:     0 1px 2px rgba(15,31,51,.05);
  --shadow:        0 4px 12px rgba(15,31,51,.08), 0 1px 3px rgba(15,31,51,.06);
  --shadow-md:     0 8px 24px rgba(15,31,51,.10), 0 2px 6px rgba(15,31,51,.06);
  --shadow-lg:     0 16px 48px rgba(15,31,51,.14);
  --shadow-focus:  0 0 0 3px rgba(21,101,199,.18);

  /* Geometry */
  --radius-xs:     4px;
  --radius-sm:     6px;
  --radius:        10px;
  --radius-lg:     14px;
  --radius-xl:     20px;

  --topbar-h:      62px;
  --sidebar-w:     244px;

  /* Animation */
  --tr-fast:       150ms cubic-bezier(.4,0,.2,1);
  --tr-base:       220ms cubic-bezier(.4,0,.2,1);
  --tr-slow:       350ms cubic-bezier(.4,0,.2,1);

  /* Backwards-compat aliases */
  --color-success: var(--success);
  --color-danger:  var(--danger);
}

[data-theme="dark"] {
  --bg:            #0d1828;
  --bg-2:          #14233a;
  --bg-3:          #1b2e4a;
  --bg-elevated:   #1a2c47;
  --sidebar-bg:    #091624;
  --sidebar-bg-2:  #122339;
  --sidebar-text:  #95b3d2;
  --sidebar-active:#60b8ff;
  --text:          #e6f0fb;
  --text-muted:    #8aa6c4;
  --text-faint:    #5d7a98;
  --border:        #28405e;
  --border-light:  #1e3354;
  --primary:       #2196f3;
  --primary-2:     #42a5f5;
  --primary-hover: #4ba8ff;
  --primary-soft:  rgba(33,150,243,.15);
  --success:       #22c55e;
  --success-soft:  rgba(34,197,94,.15);
  --warning:       #fbbf24;
  --warning-soft:  rgba(251,191,36,.15);
  --danger:        #f43f5e;
  --danger-soft:   rgba(244,63,94,.15);
  --info:          #06b6d4;
  --info-soft:     rgba(6,182,212,.15);
  --secondary:     #7b91aa;
  --shadow-xs:     0 1px 2px rgba(0,0,0,.3);
  --shadow:        0 4px 12px rgba(0,0,0,.35), 0 1px 3px rgba(0,0,0,.25);
  --shadow-md:     0 8px 24px rgba(0,0,0,.40);
  --shadow-lg:     0 16px 48px rgba(0,0,0,.55);
  --shadow-focus:  0 0 0 3px rgba(33,150,243,.30);
}

/* ─── Reset ─── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:15px; }
body {
  font-family: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Particle canvas ─── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .55;
}

/* ─── App Shell ─── */
.app-shell {
  display: flex;
  min-height: 100vh;
  position: relative;
  /* no z-index: stacking context removed so inner modals can exceed the backdrop */
}

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
  box-shadow: 2px 0 20px rgba(0,0,0,.3);
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.logo-img { height: 36px; object-fit: contain; }
.sidebar-brand { color:#fff; font-weight:700; font-size:1.15rem; letter-spacing:.5px; }
.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: .9rem;
  border-left: 3px solid transparent;
  transition: all .2s;
  cursor: pointer;
}
.nav-item:hover, .nav-item.active {
  color: #fff;
  background: rgba(255,255,255,.06);
  border-left-color: var(--sidebar-active);
}
.nav-item i { width: 18px; text-align:center; }
.nav-section {
  padding: 14px 18px 6px;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.3);
}
.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,.07); }
.user-info { display:flex; align-items:center; gap:10px; }
.user-avatar {
  width: 34px; height: 34px; border-radius:50%;
  background: var(--primary); color: #fff;
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:.9rem; flex-shrink:0;
}
.user-details { overflow:hidden; }
.user-name { color:#fff; font-size:.85rem; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.user-role { color: var(--sidebar-text); font-size:.75rem; }

/* ─── Main Wrap ─── */
.main-wrap {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── Topbar ─── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(8px);
  background: rgba(var(--bg-2), .9);
  box-shadow: var(--shadow);
}
.sidebar-toggle { display:none; }
.topbar-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}
.topbar-search i { position:absolute; left:12px; top:50%; transform:translateY(-50%); color:var(--text-muted); }
.topbar-search input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-3);
  color: var(--text);
  font-size: .88rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.topbar-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(19,101,199,.15); }
.topbar-actions { display:flex; align-items:center; gap:6px; margin-left:auto; }
.btn-icon {
  width:36px; height:36px; border-radius:8px;
  display:inline-flex; align-items:center; justify-content:center;
  background:none; border:1px solid var(--border); color:var(--text);
  cursor:pointer; transition:all .2s; text-decoration:none; font-size:.9rem;
}
.btn-icon:hover { background:var(--bg-3); color:var(--primary); border-color:var(--primary); }
.lang-flag { font-size:.78rem; font-weight:600; white-space:nowrap; }

/* ─── Page Content ─── */
.page-content {
  flex: 1;
  padding: 28px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}
.page-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.page-header h2 { font-size: 1.5rem; font-weight:700; color:var(--text); }
.page-header-actions { display:flex; gap:8px; margin-left:auto; flex-wrap:wrap; }
.section-title {
  font-size:.9rem; font-weight:600; text-transform:uppercase;
  letter-spacing:.5px; color:var(--text-muted); margin-bottom:12px;
  display:flex; align-items:center; gap:8px;
}
.section-title i { color:var(--primary); }

/* ─── Cards ─── */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: 14px 20px;
  font-weight: 600;
  font-size: .92rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-header.accent-warning { border-left: 4px solid var(--warning); }
.card-header.accent-info    { border-left: 4px solid var(--info); }
.card-body { padding: 20px; }
.card-body.p-0 { padding: 0; }

/* ─── Doc Cards Grid ─── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px,1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.doc-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
  position: relative;
  border-left: 4px solid var(--border);
}
.doc-card:hover { transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.doc-card.status-green { border-left-color: var(--success); }
.doc-card.status-orange { border-left-color: var(--warning); }
.doc-card.status-red    { border-left-color: var(--danger); }
.doc-card-type { font-size:.72rem; text-transform:uppercase; color:var(--text-muted); letter-spacing:.5px; margin-bottom:6px; }
.doc-card-title { font-size:1rem; font-weight:600; color:var(--text); margin-bottom:8px; }
.doc-card-meta { display:flex; gap:12px; font-size:.8rem; color:var(--text-muted); margin-bottom:8px; }
.doc-deadline { font-size:.8rem; font-weight:600; padding:4px 10px; border-radius:20px; display:inline-flex; align-items:center; gap:6px; margin-bottom:8px; }
.doc-deadline.status-green  { background:#dcfce7; color:#166534; }
.doc-deadline.status-orange { background:#fef3c7; color:#92400e; }
.doc-deadline.status-red    { background:#fee2e2; color:#991b1b; }
[data-theme="dark"] .doc-deadline.status-green  { background:#14532d44; color:#86efac; }
[data-theme="dark"] .doc-deadline.status-orange { background:#78350f44; color:#fcd34d; }
[data-theme="dark"] .doc-deadline.status-red    { background:#7f1d1d44; color:#fca5a5; }

/* ─── Doc List ─── */
.doc-list { display:flex; flex-direction:column; gap:8px; margin-bottom:16px; }
.doc-list-item {
  background:var(--bg-2); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:12px 16px; display:flex; align-items:center; gap:12px;
}
.doc-list-info { flex:1; display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.doc-list-info strong { font-weight:600; }
.doc-list-info small  { color:var(--text-muted); }

/* ─── Tables ─── */
.table-wrap { overflow-x:auto; border-radius:var(--radius); box-shadow:var(--shadow); }
.data-table { width:100%; border-collapse:collapse; background:var(--bg-2); }
.data-table th {
  background:var(--bg-3); color:var(--text-muted); font-size:.78rem;
  font-weight:600; text-transform:uppercase; letter-spacing:.5px;
  padding:10px 16px; border-bottom:1px solid var(--border); text-align:left; white-space:nowrap;
}
.data-table td { padding:11px 16px; border-bottom:1px solid var(--border); font-size:.88rem; }
.data-table tr:last-child td { border-bottom:none; }
.data-table tr:hover td { background:var(--bg-3); }
.data-table tr.row-disabled td { opacity:.5; }
.data-table tr.status-red td   { background:rgba(192,40,26,.05); }
.data-table tr.status-orange td { background:rgba(192,120,0,.05); }

/* ─── Buttons ─── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:8px 18px; border-radius:var(--radius-sm); font-size:.88rem; font-weight:500;
  border:none; cursor:pointer; text-decoration:none; transition:all .2s; white-space:nowrap;
}
.btn-primary   { background:var(--primary);   color:#fff; }
.btn-primary:hover { background:var(--primary-hover); transform:translateY(-1px); box-shadow:0 4px 12px rgba(13,110,253,.3); }
.btn-success   { background:var(--success);   color:#fff; }
.btn-success:hover { filter:brightness(1.1); }
.btn-danger    { background:var(--danger);    color:#fff; }
.btn-danger:hover  { filter:brightness(1.1); }
.btn-warning   { background:var(--warning);   color:#fff; }
.btn-secondary { background:var(--secondary); color:#fff; }
.btn-outline   { background:transparent; color:var(--primary); border:1px solid var(--primary); }
.btn-outline:hover { background:var(--primary); color:#fff; }
.btn-block     { width:100%; }
.btn-sm        { padding:5px 12px; font-size:.82rem; }
.btn-icon-sm   {
  width:30px; height:30px; border-radius:6px; border:1px solid var(--border);
  background:var(--bg-3); color:var(--text-muted); cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; font-size:.8rem;
  text-decoration:none; transition:all .2s;
}
.btn-icon-sm:hover { background:var(--primary); color:#fff; border-color:var(--primary); }
.btn-icon-sm.btn-danger:hover { background:var(--danger); border-color:var(--danger); }
.btn-group     { display:flex; gap:8px; flex-wrap:wrap; }
.mt-2  { margin-top: 8px; }
.mt-3  { margin-top:16px; }
.mt-4  { margin-top:24px; }
.mb-2  { margin-bottom:8px; }
.mb-3  { margin-bottom:16px; }
.ml-auto { margin-left:auto; }
.ml-2    { margin-left:8px; }

/* ─── Badges ─── */
.badge {
  display:inline-flex; align-items:center; gap:4px;
  padding:2px 8px; border-radius:20px; font-size:.74rem; font-weight:600;
}
.badge-primary   { background:rgba(19,101,199,.15);  color:var(--primary); }
.badge-success   { background:rgba(26,138,74,.15);   color:var(--success); }
.badge-warning   { background:rgba(192,120,0,.15);   color:var(--warning); }
.badge-danger    { background:rgba(192,40,26,.15);   color:var(--danger); }
.badge-info      { background:rgba(14,116,144,.15);  color:var(--info); }
.badge-secondary { background:rgba(96,112,128,.15);  color:var(--secondary); }
.badge-dark      { background:rgba(30,30,30,.15);    color:var(--text-muted); }

/* ─── Forms ─── */
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:.85rem; font-weight:500; margin-bottom:5px; color:var(--text); }
.form-control {
  width:100%; padding:9px 12px; border:1px solid var(--border); border-radius:var(--radius-sm);
  background:var(--bg-3); color:var(--text); font-size:.9rem; outline:none;
  transition:border-color .2s, box-shadow .2s;
}
.form-control:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(19,101,199,.12); }
.form-control.form-control-sm { padding:5px 9px; font-size:.82rem; }
.form-hint { font-size:.77rem; color:var(--text-muted); margin-top:4px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-grid { display:grid; grid-template-columns:340px 1fr; gap:20px; align-items:start; }
.form-col {}
.form-col-wide {}
.form-actions {
  display:flex; gap:10px; justify-content:flex-end; padding:16px 0; margin-top:12px;
  flex-wrap:wrap;
}
.input-addon    { display:flex; gap:0; }
.input-addon input { border-radius:var(--radius-sm) 0 0 var(--radius-sm); flex:1; }
.addon-text {
  padding:9px 12px; background:var(--bg-3); border:1px solid var(--border);
  border-left:none; border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-muted); font-size:.88rem; white-space:nowrap;
}
.input-eye-wrap { position:relative; }
.input-eye { position:absolute; right:10px; top:50%; transform:translateY(-50%); background:none; border:none; color:var(--text-muted); cursor:pointer; }
.checkbox-label { display:flex!important; align-items:center; gap:8px; cursor:pointer; user-select:none; }
.inline-form { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }

/* ─── User Picker ─── */
.user-picker { display:flex; flex-direction:column; gap:4px; }
.user-picker.scrollable { max-height:220px; overflow-y:auto; }
.user-check {
  display:flex; align-items:center; gap:8px; padding:7px 10px; border-radius:var(--radius-sm);
  cursor:pointer; border:1px solid transparent; transition:all .15s; font-size:.86rem;
}
.user-check:hover { background:var(--bg-3); }
.user-check.selected { background:rgba(19,101,199,.1); border-color:var(--primary); }
.user-check input[type=checkbox] { display:none; }
.user-avatar-sm {
  width:26px; height:26px; border-radius:50%; background:var(--primary);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:.75rem; font-weight:700; flex-shrink:0;
}

/* ─── Progress bars ─── */
.progress-bar-wrap { background:var(--bg-3); border-radius:20px; height:8px; overflow:hidden; width:100%; }
.progress-bar-wrap.large { height:14px; }
.progress-bar { height:100%; border-radius:20px; background:linear-gradient(90deg,var(--primary),var(--info)); transition:width .5s; }

/* ─── Alerts ─── */
.alert { padding:12px 16px; border-radius:var(--radius-sm); margin-bottom:16px; font-size:.88rem; display:flex; align-items:center; gap:8px; }
.alert-success { background:rgba(26,138,74,.12); color:var(--success); border:1px solid rgba(26,138,74,.3); }
.alert-danger  { background:rgba(192,40,26,.12);  color:var(--danger);  border:1px solid rgba(192,40,26,.3); }

/* ─── Dashboard stats ─── */
.dashboard-stats { display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:14px; margin-bottom:24px; }
.stat-card {
  background:var(--bg-2); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px 16px; text-align:center; box-shadow:var(--shadow); transition:transform .2s;
}
.stat-card:hover { transform:translateY(-3px); }
.stat-icon { font-size:1.6rem; color:var(--primary); margin-bottom:8px; }
.stat-icon.accent-orange { color:var(--warning); }
.stat-icon.accent-green  { color:var(--success); }
.stat-icon.accent-blue   { color:var(--info); }
.stat-val { font-size:2rem; font-weight:700; color:var(--text); }
.stat-lbl { font-size:.78rem; color:var(--text-muted); margin-top:4px; }

/* ─── Empty state ─── */
.empty-state { text-align:center; padding:48px 20px; color:var(--text-muted); }
.empty-state i { display:block; margin:0 auto 12px; }
.empty-state p { font-size:.9rem; }

/* ─── PDF Viewer ─── */
.pdf-viewer-wrap { background:#555; min-height:600px; display:flex; flex-direction:column; }
.pdf-controls {
  background:rgba(0,0,0,.6); padding:8px 16px; display:flex; align-items:center;
  gap:10px; color:#fff; font-size:.85rem;
}
.pdf-controls .btn-icon-sm { background:rgba(255,255,255,.15); border-color:rgba(255,255,255,.3); color:#fff; }
.pdf-container { flex:1; overflow:auto; display:flex; justify-content:center; padding:20px; }
#pdf-canvas { box-shadow:0 4px 24px rgba(0,0,0,.5); max-width:100%; }

/* ─── Timeline ─── */
.timeline { position:relative; padding-left:24px; }
.timeline::before { content:''; position:absolute; left:8px; top:0; bottom:0; width:2px; background:var(--border); }
.timeline-item { position:relative; padding:0 0 18px 20px; }
.timeline-dot { position:absolute; left:-20px; top:4px; width:10px; height:10px; border-radius:50%; background:var(--primary); border:2px solid var(--bg-2); }
.timeline-content { background:var(--bg-3); border-radius:var(--radius-sm); padding:10px 14px; font-size:.84rem; }
.timeline-action { color:var(--text-muted); margin-left:4px; }
.timeline-content blockquote { border-left:3px solid var(--danger); padding:6px 10px; margin:6px 0; background:rgba(192,40,26,.08); font-style:italic; }
.timeline-content time { display:block; font-size:.75rem; color:var(--text-muted); margin-top:4px; }

/* ─── Editor ─── */
.editor-container {
  min-height: 480px;
  border: none !important;
  padding: 20px;
  background: var(--bg-2);
  color: var(--text);
}
.lock-notice {
  background:rgba(245,166,35,.12); color:var(--warning); padding:8px 16px;
  font-size:.82rem; display:flex; align-items:center; gap:8px; border-bottom:1px solid var(--border);
}
.autosave-status { font-size:.78rem; color:var(--text-muted); font-weight:normal; }

/* ─── Settings ─── */
.settings-section { background:var(--bg-2); border:1px solid var(--border); border-radius:var(--radius); margin-bottom:20px; overflow:hidden; }
.settings-section-title {
  padding:14px 20px; font-weight:600; background:var(--bg-3);
  border-bottom:1px solid var(--border); display:flex; align-items:center; gap:8px;
}
.settings-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:16px; padding:20px; }

/* Toggle switch */
.toggle-switch { position:relative; display:inline-block; width:44px; height:24px; flex-shrink:0; }
.toggle-switch input { opacity:0; width:0; height:0; }
.toggle-slider { position:absolute; inset:0; background:var(--border); border-radius:12px; cursor:pointer; transition:.3s; }
.toggle-slider::before { content:''; position:absolute; width:18px; height:18px; left:3px; bottom:3px; background:#fff; border-radius:50%; transition:.3s; }
.toggle-switch input:checked + .toggle-slider { background:var(--primary); }
.toggle-switch input:checked + .toggle-slider::before { transform:translateX(20px); }

/* ─── Modal ─── */
.modal-backdrop { position:fixed; inset:0; background:rgba(0,0,0,.55); z-index:200; }
.modal {
  position:fixed; top:50%; left:50%; transform:translate(-50%,-50%);
  background:var(--bg-2); border:1px solid var(--border); border-radius:var(--radius);
  box-shadow:var(--shadow-lg); z-index:210; width:90%; max-width:560px; max-height:88vh; isolation:isolate;
  display:flex; flex-direction:column; overflow:hidden;
}
.modal-header { padding:16px 20px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; }
.modal-header h3 { font-size:1.05rem; font-weight:600; }
.modal-close { background:none; border:none; cursor:pointer; color:var(--text-muted); font-size:1.1rem; }
.modal-body { padding:20px; overflow-y:auto; flex:1; }
.modal-footer { padding:14px 20px; border-top:1px solid var(--border); display:flex; gap:10px; justify-content:flex-end; }

/* ─── Doc content view ─── */
.doc-content-view { line-height:1.7; font-size:.9rem; }
.doc-content-view h1,.doc-content-view h2,.doc-content-view h3 { margin:16px 0 8px; }
.doc-content-view p { margin-bottom:12px; }
.doc-content-view table { border-collapse:collapse; width:100%; margin:12px 0; }
.doc-content-view table td, .doc-content-view table th { border:1px solid var(--border); padding:8px 12px; }
.doc-card-workflow { border-left:4px solid var(--warning); }
.doc-meta-row { display:flex; align-items:center; gap:14px; flex-wrap:wrap; font-size:.84rem; color:var(--text-muted); margin-top:4px; }

/* ─── Search bar ─── */
.search-bar { display:flex; gap:8px; }
.search-bar input { flex:1; }

/* ─── Login page ─── */
.login-body { display:flex; align-items:center; justify-content:center; min-height:100vh; }
.login-wrap { width:100%; display:flex; align-items:center; justify-content:center; padding:20px; position:relative; z-index:1; }
.login-card {
  background:var(--bg-2); border:1px solid var(--border); border-radius:var(--radius);
  box-shadow:var(--shadow-lg); padding:40px; width:100%; max-width:420px;
  backdrop-filter:blur(10px);
}
.login-logo { text-align:center; margin-bottom:28px; }
.login-logo-img { height:56px; margin-bottom:10px; }
.login-brand { font-size:1.6rem; font-weight:700; color:var(--text); }
.login-sub { color:var(--text-muted); font-size:.88rem; margin-top:4px; }
.login-form { display:flex; flex-direction:column; gap:0; }
.login-lang { text-align:center; margin-top:20px; font-size:.82rem; color:var(--text-muted); }
.login-lang a { color:var(--text-muted); text-decoration:none; padding:2px 6px; }
.login-lang a.active { color:var(--primary); font-weight:600; }

/* ─── Text utilities ─── */
.text-muted   { color:var(--text-muted); }
.text-success { color:var(--success); }
.text-danger  { color:var(--danger); }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-wrap { margin-left:0; }
  .sidebar-toggle { display:flex; }
  .form-grid { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
  .page-content { padding:16px; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--text-muted); }

/* ─── Sidebar notification badges ─── */
.nav-badge {
  margin-left: auto;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  flex-shrink: 0;
}
.nav-badge-warn { background: var(--warning); }
.nav-badge-danger { background: var(--danger); }

/* ─── CSV export button ─── */
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { filter: brightness(1.1); transform: translateY(-1px); }

/* ─── Status read badge ─── */
.badge-read { background: rgba(19,101,199,.18); color: var(--primary); font-weight: 700; }

/* ─── Participants panel cards ─── */
.participant-card {
  background: var(--bg-3);
  border-radius: 8px;
  padding: 12px 14px;
  transition: border-color .2s;
}
.participant-card.active-step {
  border: 2px solid var(--warning);
  background: rgba(192,120,0,.06);
}
.participant-label {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.participant-name { font-weight: 600; font-size: .9rem; }
.participant-email { font-size: .78rem; color: var(--text-muted); }


/* ═══════════════════════════════════════════
   MODERN UI POLISH — appended overrides
═══════════════════════════════════════════ */

/* Body & typography */
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -.005em;
}
h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--text);
}
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }

/* ─── Sidebar refinements ─── */
.sidebar {
  background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-2) 100%);
  box-shadow: 4px 0 24px rgba(0, 0, 0, .25);
  border-right: 1px solid rgba(255, 255, 255, .04);
}
.sidebar-logo {
  padding: 22px 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.sidebar-brand {
  font-size: 1.18rem;
  background: linear-gradient(135deg, #fff, #b4cce5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-item {
  margin: 1px 8px;
  padding: 9px 14px;
  border-left: none;
  border-radius: var(--radius-sm);
  font-size: .89rem;
  font-weight: 500;
  position: relative;
  transition: all var(--tr-fast);
}
.nav-item:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff;
  transform: translateX(2px);
}
.nav-item.active {
  background: linear-gradient(90deg, rgba(75, 163, 255, .18), rgba(75, 163, 255, .02));
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(75, 163, 255, .18);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -8px; top: 6px; bottom: 6px;
  width: 3px;
  background: var(--sidebar-active);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 12px rgba(75, 163, 255, .5);
}
.nav-section {
  padding: 18px 20px 6px;
  font-size: .68rem;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, .25);
  font-weight: 600;
}

/* ─── Topbar ─── */
.topbar {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.topbar-search input {
  border-radius: var(--radius);
  background: var(--bg-3);
  font-size: .9rem;
  padding: 9px 14px 9px 38px;
  transition: all var(--tr-fast);
}
.topbar-search input:focus {
  background: var(--bg-2);
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
}

/* ─── Cards ─── */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: box-shadow var(--tr-base), transform var(--tr-base);
}
.card:hover { box-shadow: var(--shadow); }
.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  font-weight: 600;
  font-size: .92rem;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(180deg, var(--bg-3), var(--bg-2));
}
.card-body { padding: 18px; }

/* ─── Page header ─── */
.page-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
}
.page-header h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 1.4rem;
}
.page-header h2 i {
  color: var(--primary);
  font-size: 1.1rem;
  background: var(--primary-soft);
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center; justify-content: center;
  border-radius: var(--radius);
}
.page-header-actions { margin-left: auto; display: flex; gap: 8px; }
.section-title {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin: 24px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title i { color: var(--primary); }

/* ─── Buttons — refined ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--tr-fast);
  text-decoration: none;
  line-height: 1.3;
  font-family: inherit;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 6px 11px; font-size: .8rem; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(21, 101, 199, .35); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover {
  background: var(--bg-3);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-icon-sm {
  width: 30px; height: 30px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: .8rem;
  transition: all var(--tr-fast);
}
.btn-icon-sm:hover { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); }

/* ─── Form inputs ─── */
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
  transition: all var(--tr-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
}
.form-control::placeholder { color: var(--text-faint); }
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}
.form-hint {
  display: block;
  font-size: .76rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: .73rem;
  font-weight: 600;
  letter-spacing: .2px;
}
.badge-primary   { background: var(--primary-soft);  color: var(--primary); }
.badge-success   { background: var(--success-soft);  color: var(--success); }
.badge-warning   { background: var(--warning-soft);  color: var(--warning); }
.badge-danger    { background: var(--danger-soft);   color: var(--danger); }
.badge-info      { background: var(--info-soft);     color: var(--info); }
.badge-secondary { background: rgba(100,116,139,.12); color: var(--secondary); }
.badge-dark      { background: rgba(15,31,51,.10);   color: var(--text); }

/* ─── Tables ─── */
.table-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
.data-table thead {
  background: linear-gradient(180deg, var(--bg-3), var(--bg-2));
}
.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: .76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background var(--tr-fast); }
.data-table tbody tr:hover { background: var(--bg-3); }

/* ─── Doc cards (deadline grid) ─── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.doc-card {
  background: var(--bg-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 18px;
  position: relative;
  overflow: hidden;
  transition: all var(--tr-base);
  box-shadow: var(--shadow-xs);
}
.doc-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--primary);
  border-radius: 4px 0 0 4px;
}
.doc-card.status-red::before    { background: var(--danger); }
.doc-card.status-orange::before { background: var(--warning); }
.doc-card.status-green::before  { background: var(--success); }
.doc-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-soft);
}
.doc-card-type {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .8px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.doc-card-title {
  font-size: .98rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.doc-card-meta {
  font-size: .8rem;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.doc-deadline {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: .78rem;
  font-weight: 600;
  margin: 6px 0 10px;
}
.doc-deadline.status-red    { background: var(--danger-soft);  color: var(--danger); }
.doc-deadline.status-orange { background: var(--warning-soft); color: var(--warning); }
.doc-deadline.status-green  { background: var(--success-soft); color: var(--success); }

/* ─── Stat cards (KPI) ─── */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all var(--tr-base);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.stat-card::after {
  content: '';
  position: absolute;
  right: -20px; top: -20px;
  width: 100px; height: 100px;
  background: radial-gradient(circle, var(--primary-soft) 0%, transparent 70%);
  pointer-events: none;
}
.stat-icon {
  width: 42px; height: 42px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.stat-val {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
  line-height: 1;
}
.stat-lbl {
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 500;
}

/* ─── Empty state ─── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}
.empty-state i {
  color: var(--text-faint);
  margin-bottom: 12px;
  opacity: .6;
}
.empty-state p { font-size: .92rem; }

/* ─── Login ─── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(ellipse at top left, var(--primary-soft) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, var(--info-soft) 0%, transparent 50%),
    var(--bg);
}
.login-card {
  background: var(--bg-2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 42px 36px;
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border-light);
}
.login-brand {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
  letter-spacing: -.5px;
}
.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: .88rem;
  margin-bottom: 28px;
}

/* ─── Alerts ─── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: .88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid currentColor;
}
.alert-success { background: var(--success-soft); color: var(--success); }
.alert-danger  { background: var(--danger-soft);  color: var(--danger); }
.alert-warning { background: var(--warning-soft); color: var(--warning); }
.alert-info    { background: var(--info-soft);    color: var(--info); }

/* ─── Modal ─── */
.modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 540px;
  max-height: 88vh;
  overflow-y: auto;
  z-index: 1000;
  border: 1px solid var(--border-light);
  animation: modalIn .2s cubic-bezier(.16,1,.3,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translate(-50%, -48%) scale(.96); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 31, 51, .55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.modal-close {
  background: none; border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  transition: all var(--tr-fast);
}
.modal-close:hover { background: var(--bg-3); color: var(--text); }
.modal-body { padding: 20px; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--bg-3);
}

/* ─── Misc ─── */
.text-muted    { color: var(--text-muted); }
.text-success  { color: var(--success); }
.text-danger   { color: var(--danger); }
.ml-auto       { margin-left: auto; }
.mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 14px; } .mb-4 { margin-bottom: 20px; }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 14px; } .mt-4 { margin-top: 20px; }
.opacity-50 { opacity: .55; }

/* User picker */
.user-picker.scrollable {
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  background: var(--bg-3);
}
.user-check {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--tr-fast);
}
.user-check:hover { background: var(--bg-2); }
.user-check.selected { background: var(--primary-soft); }
.user-check input { margin: 0; }
.user-avatar-sm {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Smooth scroll */
html { scroll-behavior: smooth; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-3); }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* Page content */
.page-content { padding: 28px 32px; }
@media (max-width: 768px) {
  .page-content { padding: 18px 14px; }
  .form-row { grid-template-columns: 1fr; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-wrap { margin-left: 0; }
}