:root {
  --bg:        #0f1117;
  --surface:   #1a1d27;
  --surface2:  #22263a;
  --border:    #2e3248;
  --accent:    #4f8ef7;
  --accent2:   #7c5cbf;
  --text:      #e8eaf6;
  --muted:     #8b90a8;
  --success:   #2ecc71;
  --warning:   #f39c12;
  --danger:    #e74c3c;
  --info:      #3498db;
  --radius:    8px;
  --shadow:    0 2px 12px rgba(0,0,0,0.4);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  flex-shrink: 0;
}

.logo {
  padding: 24px 20px 20px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links { list-style: none; padding: 12px 8px; }
.nav-links li { margin: 2px 0; }
.nav-links a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover { background: var(--surface2); color: var(--text); }
.nav-links a.active { background: rgba(79,142,247,0.15); color: var(--accent); font-weight: 600; }

/* ── Main content ────────────────────────────────────────────────────── */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

.page { display: block; }
.page.hidden { display: none; }

/* ── Page header ─────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.page-header h1 { font-size: 1.6rem; font-weight: 700; }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.1s;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary  { background: var(--accent);   color: #fff; }
.btn-success  { background: var(--success);  color: #fff; }
.btn-danger   { background: var(--danger);   color: #fff; }
.btn-ghost    { background: var(--surface2); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 0.8rem; }

/* ── Cards ───────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

/* ── Stat cards ──────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-label { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-size: 2rem; font-weight: 700; line-height: 1; }
.stat-card.accent  .stat-value { color: var(--accent);  }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger  .stat-value { color: var(--danger);  }
.stat-card.info    .stat-value { color: var(--info);    }

/* ── Dashboard two-col ───────────────────────────────────────────────── */
.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 900px) { .dash-grid { grid-template-columns: 1fr; } }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-weight: 600; color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }
.actions { display: flex; gap: 6px; }

/* ── Status badges ───────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-pending     { background: rgba(243,156,18,.18);  color: var(--warning); }
.badge-inprogress  { background: rgba(79,142,247,.18);  color: var(--accent); }
.badge-qc          { background: rgba(124,92,191,.18);  color: #a78bdb; }
.badge-complete    { background: rgba(46,204,113,.18);  color: var(--success); }
.badge-rejected    { background: rgba(231,76,60,.18);   color: var(--danger); }
.badge-needed      { background: rgba(231,76,60,.18);   color: var(--danger); }
.badge-ordered     { background: rgba(243,156,18,.18);  color: var(--warning); }
.badge-received    { background: rgba(46,204,113,.18);  color: var(--success); }
.badge-na          { background: var(--surface2); color: var(--muted); }

/* ── Filters ─────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  align-items: center;
}
.filter-bar input, .filter-bar select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 12px;
  font-size: 0.9rem;
}
.filter-bar input:focus, .filter-bar select:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Forms ───────────────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 0.82rem; color: var(--muted); font-weight: 600; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 0.9rem;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 70px; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ── Modal ───────────────────────────────────────────────────────────── */
#modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
#modal-overlay.hidden { display: none; }
#modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 640px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.1rem; }
#modal-close {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font-size: 1.1rem; padding: 4px 8px;
  border-radius: 4px;
}
#modal-close:hover { color: var(--text); background: var(--surface2); }
#modal-body { padding: 20px 24px 24px; }

/* ── Detail panel ────────────────────────────────────────────────────── */
.detail-meta {
  display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 20px;
}
.detail-meta-item { display: flex; flex-direction: column; gap: 3px; }
.detail-meta-item .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; }
.detail-meta-item .value { font-weight: 600; }

.section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: 20px 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.history-list { list-style: none; }
.history-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  display: flex;
  gap: 12px;
}
.history-list li:last-child { border-bottom: none; }
.history-list .ts { color: var(--muted); flex-shrink: 0; }

/* ── Alerts ──────────────────────────────────────────────────────────── */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.alert-error { background: rgba(231,76,60,.15); border: 1px solid var(--danger); color: #f08080; }

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}
.empty-icon { font-size: 2.5rem; margin-bottom: 10px; }

/* ── Toast ───────────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 2000;
  max-width: 320px;
}
#toast.show { opacity: 1; transform: translateY(0); }
#toast.success { border-color: var(--success); color: var(--success); }
#toast.error   { border-color: var(--danger);  color: var(--danger); }

/* ── Utility ─────────────────────────────────────────────────────────── */
.mb    { margin-bottom: 16px; }
.muted { color: var(--muted); }
.link  { cursor: pointer; color: var(--accent); }
.link:hover { text-decoration: underline; }
.clickable:hover td { background: var(--surface2); cursor: pointer; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: .9rem; color: var(--text); }
.checkbox-label input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }

/* ── Extra badge types ────────────────────────────────────────────────── */
.badge-intake    { background: rgba(52,152,219,.18);  color: var(--info); }
.badge-warning   { background: rgba(243,156,18,.18);  color: var(--warning); }
.badge-inhouse   { background: rgba(46,204,113,.18);  color: var(--success); }
.badge-outsource { background: rgba(124,92,191,.18);  color: #a78bdb; }

/* ── Process type badge ───────────────────────────────────────────────── */
.proc-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .03em;
  white-space: nowrap;
}

/* ── Intake checklist ────────────────────────────────────────────────── */
.intake-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.intake-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface2);
}
.intake-item.done { border-color: rgba(46,204,113,.4); background: rgba(46,204,113,.06); }
.intake-check { font-size: 1.1rem; color: var(--muted); flex-shrink: 0; line-height: 1.4; }
.intake-item.done .intake-check { color: var(--success); }
.intake-label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.intake-val   { font-size: .9rem;  font-weight: 600; margin-top: 2px; }

/* ── Part card ───────────────────────────────────────────────────────── */
.part-card { padding: 16px 20px; }
.part-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.part-id {
  font-family: monospace;
  font-size: .85rem;
  color: var(--accent);
  font-weight: 700;
  background: rgba(79,142,247,.12);
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}
.part-name { font-weight: 600; font-size: 1rem; }
.part-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .85rem;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* ── Process section ─────────────────────────────────────────────────── */
.proc-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.proc-list { display: flex; flex-direction: column; gap: 0; }
.proc-row {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.proc-row:last-child { border-bottom: none; }
.proc-seq {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
  margin-top: 3px;
}
.proc-body { flex: 1; min-width: 0; }
.proc-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.proc-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.status-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 4px 8px;
  font-size: .8rem;
  cursor: pointer;
}
.status-select:focus { outline: none; border-color: var(--accent); }

/* ── Time entries ────────────────────────────────────────────────────── */
.time-entries {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--surface2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: .83rem;
}
.time-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}
.time-entry:last-of-type { border-bottom: none; }
.active-entry { background: rgba(79,142,247,.06); border-radius: 4px; padding: 4px 6px; }
.running { color: var(--accent); animation: pulse 1.5s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.5; } }
.running-badge { animation: pulse 1.5s ease-in-out infinite; font-family: monospace; }

/* ── Electrode section ───────────────────────────────────────────────── */
.electrode-section {
  margin-top: 8px;
  padding: 8px 10px;
  background: rgba(155,89,182,.06);
  border: 1px solid rgba(155,89,182,.25);
  border-radius: var(--radius);
}
.electrode-header {
  font-size: .75rem;
  font-weight: 700;
  color: #a78bdb;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 6px;
}
.electrode-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(155,89,182,.15);
}
.electrode-row:last-child { border-bottom: none; }

/* ── Dashboard timer cards ───────────────────────────────────────────── */
.timer-dash-card {
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface2);
  margin-bottom: 8px;
  transition: background .15s;
}
.timer-dash-card:hover { background: rgba(79,142,247,.08); }

/* ── Time Tracker page ───────────────────────────────────────────────── */
.timer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.timer-big { padding: 20px; }
.timer-big-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
/* ── File upload widget ──────────────────────────────────────────────── */
.file-upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
}
.file-display { flex: 1; font-size: .88rem; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-name a  { color: var(--accent); text-decoration: none; }
.file-name a:hover { text-decoration: underline; }
.file-btn { cursor: pointer; flex-shrink: 0; }

/* ── Timer clock ─────────────────────────────────────────────────────── */
.timer-clock {
  font-size: 2.2rem;
  font-weight: 700;
  font-family: monospace;
  color: var(--accent);
  margin: 10px 0 4px;
  letter-spacing: .04em;
}

/* ── Auth: login overlay ─────────────────────────────────────────────── */
#login-overlay {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 5000;
  padding: 20px;
}
#login-overlay.hidden { display: none; }
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
  padding: 34px 32px 30px;
  width: 380px; max-width: 100%;
}
.login-logo {
  font-size: 1.5rem; font-weight: 700; color: var(--accent);
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.login-sub { text-align: center; color: var(--muted); font-size: .9rem; margin: 8px 0 22px; }
.login-box .form-group { display: flex; flex-direction: column; gap: 5px; }
.login-box label { font-size: .82rem; color: var(--muted); font-weight: 600; }
.login-box input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 10px 12px;
  font-size: .95rem;
  font-family: inherit;
}
.login-box input:focus { outline: none; border-color: var(--accent); }

/* ── Sidebar footer (signed-in user) ─────────────────────────────────── */
.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 10px;
}
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar {
  width: 34px; height: 34px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface2); border: 1px solid var(--border); border-radius: 50%;
  font-size: 1rem;
}
.user-name { font-weight: 600; font-size: .9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.user-actions { display: flex; gap: 6px; }
.user-actions .btn { flex: 1; justify-content: center; }

/* ── Generic hidden utility ──────────────────────────────────────────── */
.hidden { display: none; }