/* ── Shelf Legends — Brand CSS ── */

:root {
  --black:     #0D0D0D;
  --charcoal:  #161616;
  --dark:      #1E1E1E;
  --border:    #2C2C2C;
  --lime:      #AADF2E;
  --lime-dim:  rgba(170,223,46,0.10);
  --field:     #7AB829;
  --off-white: #F0EEE9;
  --gray:      #9A9A9A;
  --gray-dim:  rgba(154,154,154,0.10);
  --nav-width: 220px;
  --nav-height: 56px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-tap-highlight-color: transparent; }

body {
  background: var(--black);
  color: var(--off-white);
  font-family: 'DM Sans', sans-serif;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3 { font-family: 'Bebas Neue', sans-serif; letter-spacing: 1.5px; }

.eyebrow {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--lime);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--charcoal);
  border-bottom: 2px solid var(--lime);
  display: flex;
  align-items: center;
  padding: 0 16px;
  z-index: 100;
  gap: 12px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.nav-pip {
  width: 8px; height: 8px;
  background: var(--lime);
  border-radius: 50%;
  flex-shrink: 0;
}

.nav-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 2px;
  color: var(--off-white);
  line-height: 1;
}

.nav-sub {
  font-size: 9px;
  letter-spacing: 2.5px;
  color: var(--lime);
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 2px;
}

/* Hamburger toggle — mobile only */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--off-white);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* Desktop nav — horizontal */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 7px;
  color: var(--gray);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.nav-item:hover { background: var(--dark); color: var(--off-white); }
.nav-item.active { background: var(--lime-dim); color: var(--lime); }
.nav-item.nav-logout { color: var(--gray); margin-left: 4px; }
.nav-item.nav-logout:hover { color: var(--off-white); }

.nav-icon { font-size: 14px; }
.nav-divider { width: 1px; height: 22px; background: var(--border); margin: 0 6px; }

/* ── Main content ── */
.main-content {
  padding-top: calc(var(--nav-height) + 24px);
  min-height: 100dvh;
}

.page-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

/* ── Page header ── */
.page-header { margin-bottom: 24px; }
.page-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px;
  letter-spacing: 2px;
  color: var(--off-white);
  line-height: 1;
}
.page-sub {
  font-size: 13px;
  color: var(--gray);
  margin-top: 4px;
}

/* ── Cards ── */
.card {
  background: var(--charcoal);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 12px;
}

.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 16px;
  letter-spacing: 1.5px;
  color: var(--off-white);
}

.card-body { padding: 16px 18px; }

/* ── Stat grid ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 8px;
}

.stat-card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}

.stat-card.highlight {
  border-color: rgba(170,223,46,0.3);
  background: var(--lime-dim);
}

.stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 42px;
  letter-spacing: 1px;
  line-height: 1;
  color: var(--off-white);
}

.stat-card.highlight .stat-num { color: var(--lime); }

.stat-lbl {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 4px;
}

/* ── Module grid ── */
.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 8px;
}

.module-card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 16px;
  text-decoration: none;
  display: block;
  transition: border-color 0.15s, background 0.15s;
}
.module-card:hover { border-color: var(--lime); background: var(--lime-dim); }
.module-card:active { opacity: 0.8; }

.module-icon { font-size: 24px; margin-bottom: 10px; }
.module-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--off-white);
  line-height: 1;
  margin-bottom: 6px;
}
.module-desc {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.5;
  margin-bottom: 10px;
}
.module-status {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
}
.module-status.coming {
  background: var(--gray-dim);
  color: var(--gray);
}
.module-status.ready {
  background: var(--lime-dim);
  color: var(--lime);
}

/* ── List rows ── */
.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
}
.list-row:last-child { border-bottom: none; }
.list-row:hover { background: var(--dark); }

.list-primary { font-size: 14px; font-weight: 500; color: var(--off-white); }
.list-sub { font-size: 12px; color: var(--gray); margin-top: 2px; }
.list-right { text-align: right; flex-shrink: 0; margin-left: 12px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 42px;
  padding: 0 18px;
  border-radius: 7px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--lime); color: var(--black); }
.btn-primary:hover { opacity: 0.9; }

.btn-secondary { background: transparent; border: 1.5px solid var(--lime); color: var(--lime); }
.btn-secondary:hover { background: var(--lime-dim); }

.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--gray); }
.btn-ghost:hover { border-color: var(--gray); color: var(--off-white); }

.btn-danger { background: transparent; border: 1px solid rgba(196,51,51,0.4); color: #E07070; }
.btn-danger:hover { background: rgba(196,51,51,0.1); }

.btn-lg {
  height: 52px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 3px;
  padding: 0 28px;
}

.btn-full { width: 100%; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 7px;
  font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--dark);
  border: 1.5px solid var(--border);
  border-radius: 7px;
  color: var(--off-white);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.15s;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--lime); }
.form-input::placeholder,
.form-textarea::placeholder { color: #555; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239A9A9A' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-textarea { resize: vertical; min-height: 80px; }

.form-hint { font-size: 12px; color: var(--gray); margin-top: 5px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* ── Badges / Pills ── */
.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 20px;
}

/* ── Flash messages ── */
.flash {
  margin: 0 16px 12px;
  padding: 11px 16px;
  border-radius: 7px;
  font-size: 13px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.flash-success { background: rgba(75,163,133,0.15); border: 1px solid rgba(75,163,133,0.3); color: #6ECFAC; }
.flash-error   { background: rgba(196,51,51,0.12);  border: 1px solid rgba(196,51,51,0.3);  color: #E07070; }
.flash-info    { background: var(--lime-dim);        border: 1px solid rgba(170,223,46,0.2); color: var(--lime); }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray);
}
.empty-state .empty-icon { font-size: 40px; opacity: 0.3; margin-bottom: 14px; }
.empty-state .empty-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 2px;
  color: var(--gray);
  margin-bottom: 6px;
}
.empty-state .empty-sub { font-size: 13px; }

/* ── Pill status indicator ── */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--gray-dim);
  color: var(--gray);
}
.status-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Scan input ── */
.scan-input-wrap {
  position: relative;
  margin-bottom: 16px;
}
.scan-input {
  width: 100%;
  background: var(--dark);
  border: 2px solid var(--lime);
  border-radius: 9px;
  color: var(--off-white);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  padding: 14px 48px 14px 16px;
  outline: none;
}
.scan-input::placeholder { color: #555; }
.scan-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  opacity: 0.5;
  pointer-events: none;
}

/* ── Mobile responsiveness ── */
@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--charcoal);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 8px;
    gap: 2px;
    z-index: 99;
  }
  .nav-menu.open { display: flex; }

  .nav-item { padding: 12px 14px; font-size: 14px; }
  .nav-divider { width: 100%; height: 1px; margin: 4px 0; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .module-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .page-title { font-size: 28px; }
}

@media (min-width: 641px) and (max-width: 900px) {
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 901px) {
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
  .module-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Camera scan button (mobile only) ─────────────────────────────────────── */
.cam-btn {
  display: none; /* hidden by default — shown only on touch devices */
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--lime);
  font-size: 20px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s;
}
.cam-btn:active { background: var(--charcoal); }

/* Only show camera button on touch/mobile devices */
@media (hover: none) and (pointer: coarse) {
  .cam-btn { display: flex; }
}

/* Camera scan modal */
#camScanOverlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 500;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}
#camScanBox {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 16px 16px 0 0;
  width: 100%;
  max-width: 540px;
  padding: 16px;
}
#camScanHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
#camAimLine {
  position: absolute;
  top: 50%;
  left: 8%;
  right: 8%;
  height: 2px;
  background: var(--lime);
  opacity: 0.8;
  box-shadow: 0 0 8px var(--lime);
  transform: translateY(-50%);
  pointer-events: none;
  border-radius: 2px;
}

/* ── Loading spinner ───────────────────────────────────────────────────────── */
.spin-ring {
  width: 22px;
  height: 22px;
  border: 3px solid rgba(170, 223, 46, 0.2);
  border-top-color: #AADF2E;
  border-radius: 50%;
  flex-shrink: 0;
  animation: spin 0.75s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}