:root {
  --navy: #053663;
  --navy-dark: #042d56;
  --red: #EE4023;
  --green: #27ae60;
  --amber: #e67e22;
  --gray-bg: #f0f2f5;
  --gray-border: #e0e4e8;
  --gray-text: #8492a6;
  --white: #ffffff;
}

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

body {
  font-family: 'Encode Sans Semi Expanded', sans-serif;
  background: var(--gray-bg);
  color: var(--navy);
  min-height: 100vh;
}

/* ── HEADER ── */
.app-header {
  background: var(--navy);
  padding: 0 24px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(5,54,99,.15);
}
.app-header h1 {
  font-size: 16px;
  color: #fff;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.app-header .version {
  font-size: 9px;
  background: var(--red);
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-left: 10px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-nav a {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-size: 12px;
  margin-left: 16px;
  transition: color .15s;
}
.header-nav a:hover, .header-nav a.active { color: #fff; }

/* ── LAYOUT ── */
.page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px;
}
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}
.page-title { font-size: 20px; font-weight: 500; }
.page-sub { font-size: 12px; color: var(--gray-text); margin-top: 3px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: opacity .15s;
}
.btn:hover { opacity: .88; }
.btn-primary { background: var(--red); color: #fff; }
.btn-outline { background: #fff; color: var(--navy); border: 1.5px solid var(--navy); }
.btn-success { background: var(--green); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 11px; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ── CARDS ── */
.card {
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(5,54,99,.06);
}
.card-header {
  background: var(--navy);
  color: #fff;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h2 { font-size: 14px; font-weight: 500; }
.card-body { padding: 18px; }

/* ── KPI GRID ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
.kpi-card {
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: 8px;
  padding: 16px;
  border-top: 3px solid var(--navy);
}
.kpi-card.green { border-top-color: var(--green); }
.kpi-card.red { border-top-color: var(--red); }
.kpi-card.amber { border-top-color: var(--amber); }
.kpi-label { font-size: 10px; text-transform: uppercase; letter-spacing: .8px; color: var(--gray-text); }
.kpi-value { font-size: 30px; font-weight: 500; margin: 6px 0 2px; line-height: 1; }
.kpi-value.green { color: var(--green); }
.kpi-value.red { color: var(--red); }
.kpi-value.amber { color: var(--amber); }
.kpi-sub { font-size: 11px; color: var(--gray-text); }

/* ── PROGRESS BAR ── */
.progress-wrap { margin: 8px 0; }
.progress-track {
  height: 8px;
  background: var(--gray-bg);
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--navy);
  transition: width .4s ease;
}
.progress-fill.green { background: var(--green); }
.progress-fill.red { background: var(--red); }
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--gray-text);
  margin-top: 4px;
}

/* ── TAGS / BADGES ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .4px;
  padding: 3px 8px;
  border-radius: 4px;
}
.tag-open { background: #e8f8ef; color: var(--green); }
.tag-closed { background: #eef0f3; color: var(--gray-text); }
.tag-pending { background: #fff3cd; color: #b7770d; }
.tag-pass { background: #e8f8ef; color: var(--green); }
.tag-fail { background: #fdecea; color: var(--red); }

/* ── TABLE ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table thead th {
  background: var(--gray-bg);
  color: var(--gray-text);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .7px;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-border);
}
.data-table tbody tr { border-bottom: 1px solid var(--gray-bg); }
.data-table tbody tr:hover { background: #f8faff; }
.data-table tbody td { padding: 10px 14px; }

/* ── FORM ── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--gray-text);
  margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  color: var(--navy);
  background: #fff;
  outline: none;
  transition: border-color .15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--navy);
}
.form-textarea { min-height: 80px; resize: vertical; }

/* ── SCAN BUTTON ── */
.scan-btn-wrap { text-align: center; padding: 24px 0; }
.scan-big-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 24px 48px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity .15s;
}
.scan-big-btn i { font-size: 36px; }
.scan-big-btn:hover { opacity: .9; }

/* ── SIGNATURE PAD ── */
.sig-box {
  border: 1.5px solid var(--gray-border);
  border-radius: 8px;
  overflow: hidden;
  background: #fafafa;
}
.sig-box canvas { display: block; width: 100%; height: 140px; cursor: crosshair; }
.sig-actions {
  display: flex;
  justify-content: flex-end;
  padding: 6px 10px;
  border-top: 1px solid var(--gray-border);
  background: #fff;
}
.sig-clear {
  font-size: 11px;
  color: var(--red);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

/* ── ALERT ── */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.alert-success { background: #e8f8ef; color: #1a7a40; }
.alert-error { background: #fdecea; color: #c0392b; }
.alert-info { background: #e8f0fb; color: #1a4fa0; }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-text);
}
.empty-state i { font-size: 48px; display: block; margin-bottom: 12px; opacity: .4; }
.empty-state p { font-size: 14px; margin-bottom: 16px; }

/* ── GRID ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* ── DIVIDER ── */
.divider { border: none; border-top: 1px solid var(--gray-border); margin: 20px 0; }

/* ── MOBILE ── */
@media (max-width: 768px) {
  .page-wrap { padding: 16px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .two-col, .three-col { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; gap: 12px; }
  .header-nav { display: none; }
}