/* ==========================================================
   Equipment Ledger — Authentic Paper Ledger Theme
   SZABIST University · Larkana Campus
   ========================================================== */

:root {
  --paper: #F7F3E8;
  --paper-dark: #EDE6D4;
  --paper-light: #FFFEFB;
  --ink: #1C2436;
  --ink-soft: #4A5266;
  --ink-faint: #7E8799;
  --ledger-line: #D8CFB6;
  --ledger-line-strong: #C4B999;
  --red: #9B2335;
  --red-dark: #7A1B29;
  --red-soft: rgba(155, 35, 53, 0.12);
  --teal: #2F6F5E;
  --teal-soft: rgba(47, 111, 94, 0.12);
  --amber: #B4842A;
  --amber-soft: rgba(180, 132, 42, 0.14);
  --card-shadow: 0 1px 0 rgba(28, 36, 54, 0.05), 0 8px 24px -12px rgba(28, 36, 54, 0.18);
  --modal-shadow: 0 30px 60px -20px rgba(28, 36, 54, 0.35);
}

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

body {
  background:
    radial-gradient(1200px 600px at 15% -10%, #fffefb 0%, var(--paper) 45%),
    var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  padding: 28px 20px 80px;
  font-size: 14px;
  line-height: 1.5;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
}

a {
  color: var(--red);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

/* ---------- Header ---------- */
header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  border-bottom: 3px double var(--ink);
  padding-bottom: 18px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-mark .glyph {
  width: 46px;
  height: 46px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
  background: var(--paper);
  color: var(--ink);
}
.brand-mark h1 {
  font-size: 26px;
  letter-spacing: 0.2px;
}
.brand-mark p {
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 1.4px;
}

.header-meta {
  text-align: right;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.header-meta strong {
  color: var(--ink);
}
.header-meta .user-line {
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.header-meta .user-line a {
  color: var(--red);
  font-weight: 600;
}

/* ---------- Tab strip (binder tabs) ---------- */
.tabstrip {
  display: flex;
  gap: 6px;
  margin: 26px 0 0;
  padding-left: 4px;
  flex-wrap: wrap;
}
.tabstrip a, .tabstrip button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Zilla Slab', serif;
  font-weight: 600;
  font-size: 14.5px;
  background: var(--paper-dark);
  border: 1px solid var(--ledger-line);
  border-bottom: none;
  color: var(--ink-soft);
  padding: 10px 18px 9px;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  position: relative;
  top: 1px;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.tabstrip a:hover:not(.active), .tabstrip button:hover:not(.active) {
  background: #F0EAD9;
  color: var(--ink);
  text-decoration: none;
}
.tabstrip a.active, .tabstrip button.active {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--ink);
  box-shadow: 0 -2px 0 var(--red) inset;
  font-weight: 700;
}

/* ---------- Panel Container ---------- */
.panel {
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 0 10px 10px 10px;
  padding: 26px 26px 30px;
  box-shadow: var(--card-shadow);
  margin-bottom: 24px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ledger-line);
}
.panel-header h2 {
  font-size: 20px;
}
.panel-header p {
  margin: 3px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- Stats Grid ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
.stat {
  border: 1px solid var(--ledger-line);
  background: linear-gradient(180deg, #FFFEFB, var(--paper-dark));
  border-radius: 8px;
  padding: 14px 16px;
}
.stat .n {
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  color: var(--ink);
}
.stat .l {
  margin-top: 6px;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-soft);
}
.stat.red .n { color: var(--red); }
.stat.teal .n { color: var(--teal); }
.stat.amber .n { color: var(--amber); }

/* ---------- Controls & Toolbar ---------- */
.controls, .toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 18px;
}
.controls input[type=text], .controls input[type=search], .controls select,
.toolbar input[type=text], .toolbar input[type=search], .toolbar select {
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  padding: 9px 12px;
  border: 1px solid var(--ledger-line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
.controls input[type=text], .controls input[type=search],
.toolbar input[type=text], .toolbar input[type=search] {
  flex: 1;
  min-width: 220px;
}
.controls input:focus, .controls select:focus,
.toolbar input:focus, .toolbar select:focus {
  outline: 2px solid var(--red);
  outline-offset: 1px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 13.5px;
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  transition: background .15s, border-color .15s;
}
.btn:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  color: #fff;
  text-decoration: none;
}
.btn.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn.btn-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}
.btn.secondary, .btn.btn-secondary {
  background: transparent;
  border: 1px solid var(--ledger-line-strong);
  color: var(--ink);
}
.btn.secondary:hover, .btn.btn-secondary:hover {
  background: var(--paper-dark);
  border-color: var(--ink);
  color: var(--ink);
}
.btn.btn-success {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}
.btn.btn-success:hover {
  background: #235447;
  border-color: #235447;
}
.btn.btn-danger {
  background: transparent;
  border-color: var(--red);
  color: var(--red);
}
.btn.btn-danger:hover {
  background: var(--red);
  color: #fff;
}
.btn.btn-sm {
  padding: 6px 11px;
  font-size: 12px;
  border-radius: 5px;
}

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
thead th {
  text-align: left;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--ink);
  padding: 10px 10px;
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--ledger-line);
}
tbody tr:hover {
  background: var(--paper-dark);
}
tbody td {
  padding: 12px 10px;
  vertical-align: top;
}
.spec-name, .cell-title {
  font-weight: 600;
  color: var(--ink);
}
.serial, .mono {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  color: var(--ink-soft);
}
.cell-sub {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 2px;
}
.empty-row td, .empty-state {
  text-align: center;
  padding: 40px 10px;
  color: var(--ink-soft);
  font-style: italic;
}
.empty-state .big {
  font-size: 32px;
  margin-bottom: 8px;
  font-style: normal;
}

/* ---------- Badges & Rubber Stamp ---------- */
.badge {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: 0.3px;
}
.badge.cleared, .badge-success {
  background: rgba(47, 111, 94, 0.12);
  color: var(--teal);
}
.badge.pending, .badge-warning {
  background: rgba(180, 132, 42, 0.14);
  color: var(--amber);
}
.badge.other, .badge-neutral {
  background: rgba(28, 36, 54, 0.08);
  color: var(--ink-soft);
}

.stamp {
  display: inline-block;
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  font-size: 10.5px;
  letter-spacing: 1.5px;
  color: var(--red);
  border: 1.5px solid var(--red);
  border-radius: 4px;
  padding: 2px 7px;
  transform: rotate(-4deg);
  text-transform: uppercase;
}

/* ---------- Forms & Fieldsets ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-grid .full {
  grid-column: 1 / -1;
}
.field label, .form-grid label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.field input[type=text], .field input[type=date], .field input[type=password],
.field input[type=search], .field select, .field textarea,
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%;
  padding: 9px 11px;
  font-size: 13.5px;
  border: 1px solid var(--ledger-line);
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  background: #fff;
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus,
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus {
  outline: 2px solid var(--red);
  outline-offset: 1px;
}
.field .hint {
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-top: 4px;
}

fieldset {
  border: 1px dashed var(--ledger-line-strong);
  border-radius: 8px;
  padding: 18px 20px;
  margin: 0 0 20px;
  background: rgba(255, 255, 255, 0.4);
}
legend {
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  font-size: 15px;
  padding: 0 8px;
  color: var(--ink);
}

.item-block, .item-row {
  border: 1px solid var(--ledger-line);
  border-radius: 8px;
  padding: 16px 18px;
  margin-bottom: 14px;
  background: #fff;
  position: relative;
}
.item-block .item-index {
  font-family: 'Zilla Slab', serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.item-remove-btn, .item-remove {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  color: var(--red);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.item-remove-btn:hover, .item-remove:hover {
  text-decoration: underline;
}

/* ---------- Key-Value & Sign-off Details ---------- */
.kv-grid, .kv {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 16px;
  font-size: 13.5px;
}
.kv-grid .k, .kv .k {
  color: var(--ink-soft);
  font-weight: 600;
}

.sig-row, .sig-block {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--ledger-line);
  font-size: 12.5px;
  gap: 24px;
}
.sig-col, .sig-block div {
  flex: 1;
  color: var(--ink-soft);
}
.sig-line {
  border-bottom: 1px solid var(--ink);
  height: 34px;
  margin-bottom: 6px;
}
.sig-col strong, .sig-block strong {
  color: var(--ink);
}

/* ---------- Alerts & Flash Notices ---------- */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13.5px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
}
.alert-success {
  background: var(--teal-soft);
  color: var(--teal);
  border-color: rgba(47, 111, 94, 0.3);
}
.alert-error {
  background: var(--red-soft);
  color: var(--red-dark);
  border-color: rgba(155, 35, 53, 0.3);
}
.alert-info {
  background: rgba(28, 36, 54, 0.06);
  color: var(--ink);
  border-color: var(--ledger-line-strong);
}

/* ---------- Auth / Sign-in Page ---------- */
.auth-wrap {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-card {
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 10px;
  padding: 34px 30px 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--modal-shadow);
}
.auth-card .glyph {
  width: 44px;
  height: 44px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 14px;
  background: #fff;
  color: var(--ink);
}
.auth-card h1 {
  font-size: 22px;
  margin-bottom: 2px;
}
.auth-card p.sub {
  color: var(--ink-soft);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 18px;
}
.auth-card .field {
  margin-bottom: 14px;
}
.auth-card .foot-note {
  margin-top: 18px;
  font-size: 12px;
  color: var(--ink-soft);
  text-align: center;
}

.login-hint {
  background: #fff;
  border: 1px dashed var(--ledger-line-strong);
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 18px;
  font-size: 12.5px;
}
.login-hint .hint-title {
  font-family: 'Zilla Slab', serif;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 6px;
}
.login-hint .hint-creds {
  display: flex;
  gap: 14px;
  color: var(--ink);
  margin-bottom: 4px;
}
.login-hint .hint-creds strong {
  font-family: 'IBM Plex Mono', monospace;
  background: var(--paper);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--ledger-line);
  color: var(--ink);
}
.login-hint .hint-note {
  font-size: 11.5px;
  color: var(--ink-soft);
  line-height: 1.4;
}

/* ---------- Public View ---------- */
.public-hero {
  border-bottom: 3px double var(--ink);
  padding-bottom: 18px;
  margin-bottom: 22px;
}

footer.app-footer {
  text-align: center;
  color: var(--ink-soft);
  font-size: 12px;
  margin-top: 36px;
  letter-spacing: 0.3px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { padding: 16px 12px 60px; }
  header.app-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .header-meta { text-align: left; }
  .header-meta .user-line { justify-content: flex-start; }
  .tabstrip { gap: 4px; }
  .tabstrip a, .tabstrip button { font-size: 13px; padding: 8px 12px; }
  .panel { padding: 18px 14px 24px; border-radius: 0 0 8px 8px; }
  thead { display: none; }
  tbody tr { display: block; padding: 10px 0; border-bottom: 2px solid var(--ledger-line); }
  tbody td { display: block; padding: 5px 6px; border: none; }
  tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--ink-soft);
    font-size: 10.5px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 2px;
  }
  .kv-grid, .kv { grid-template-columns: 1fr; }
  .sig-row, .sig-block { flex-direction: column; gap: 16px; }
}