/* =========================================================================
   Zero Medical — Delivery Note App  ·  styles
   Mobile-first. All rules below the media query are desktop overrides.
   ========================================================================= */

:root {
  --zm-red:        #C8102E;
  --zm-red-dark:   #9E0B23;
  --zm-navy:       #1A2456;
  --zm-navy-soft:  #2A3470;
  --zm-ink:        #131A2C;
  --zm-mute:       #5C6479;
  --zm-line:       #E2E5EE;
  --zm-bg:         #F5F6FB;
  --zm-card:       #FFFFFF;
  --zm-success:    #1E8454;
  --zm-warn:       #B86E00;
  --zm-radius:     14px;
  --zm-radius-sm:   8px;
  --zm-shadow:     0 1px 2px rgba(20, 27, 60, 0.06), 0 8px 24px rgba(20, 27, 60, 0.06);
  --zm-shadow-sm:  0 1px 2px rgba(20, 27, 60, 0.08);
  --zm-tap:        48px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--zm-bg);
  color: var(--zm-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

/* ---------- top bar ---------- */
.zm-topbar {
  background: var(--zm-navy);
  color: #fff;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: 0 2px 0 rgba(0,0,0,0.04);
}
.zm-topbar img.logo {
  width: 56px;
  height: auto;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
  flex: none;
}
.zm-topbar h1 {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.2px;
}
.zm-topbar .sub {
  font-size: 12px;
  opacity: 0.7;
  margin-top: 2px;
}
.zm-topbar .spacer { flex: 1; }
.zm-topbar a.link {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 8px;
}
.zm-topbar a.link:hover { background: rgba(255,255,255,0.1); }
.zm-topbar #zmStatus {
  font-size: 14px;
  padding: 8px 10px;
  color: #6FE0A0;
}
.zm-topbar #zmStatus.is-off { color: #FFB199; }
.zm-topbar #zmQueueBadge {
  background: rgba(255, 255, 255, 0.18);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

/* ---------- progress steps ---------- */
.zm-steps {
  background: #fff;
  border-bottom: 1px solid var(--zm-line);
  padding: 10px 14px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  /* Not sticky on mobile — topbar height varies by device/orientation
     and a hardcoded offset causes the step bar to overlap the header.
     The form auto-scrolls to top on each step anyway. */
}
.zm-steps .step {
  flex: 1 0 auto;
  min-width: 92px;
  text-align: center;
  font-size: 12px;
  color: var(--zm-mute);
  padding: 8px 4px 6px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.zm-steps .step .num {
  display: inline-flex;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--zm-line);
  color: var(--zm-mute);
  align-items: center; justify-content: center;
  font-weight: 700;
  margin-right: 6px;
  font-size: 12px;
}
.zm-steps .step.is-active { color: var(--zm-navy); border-bottom-color: var(--zm-red); font-weight: 600; }
.zm-steps .step.is-active .num { background: var(--zm-navy); color: #fff; }
.zm-steps .step.is-done .num { background: var(--zm-success); color: #fff; }
.zm-steps .step.is-done .num::before { content: "✓"; }
.zm-steps .step.is-done .num span { display: none; }

/* ---------- container ---------- */
.zm-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

.zm-card {
  background: var(--zm-card);
  border-radius: var(--zm-radius);
  box-shadow: var(--zm-shadow);
  padding: 20px;
  margin-bottom: 16px;
}
.zm-card h2 {
  font-size: 18px;
  margin: 0 0 4px;
  color: var(--zm-navy);
  letter-spacing: 0.1px;
}
.zm-card .help {
  color: var(--zm-mute);
  font-size: 13px;
  margin: 0 0 16px;
}

/* ---------- form fields ---------- */
.zm-field { display: block; margin-bottom: 14px; }
.zm-field > label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  color: var(--zm-navy);
  margin-bottom: 6px;
  letter-spacing: 0.1px;
}
.zm-field .req {
  color: var(--zm-red);
  font-weight: 700;
  margin-left: 2px;
}
.zm-field .hint {
  font-size: 12px;
  color: var(--zm-mute);
  margin-top: 4px;
}
.zm-field input[type="text"],
.zm-field input[type="email"],
.zm-field input[type="tel"],
.zm-field input[type="number"],
.zm-field input[type="date"],
.zm-field input[type="password"],
.zm-field select,
.zm-field textarea {
  width: 100%;
  font: inherit;
  color: var(--zm-ink);
  background: #fff;
  border: 1px solid var(--zm-line);
  border-radius: var(--zm-radius-sm);
  padding: 12px 14px;
  min-height: var(--zm-tap);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.zm-field textarea { min-height: 126px; resize: vertical; }
.zm-field input:focus, .zm-field select:focus, .zm-field textarea:focus {
  border-color: var(--zm-navy);
  box-shadow: 0 0 0 3px rgba(26, 36, 86, 0.12);
}
.zm-field input.is-bad, .zm-field select.is-bad, .zm-field textarea.is-bad {
  border-color: var(--zm-red);
  background: #FFF5F6;
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12);
  animation: zmShake 0.3s;
}
@keyframes zmShake {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-4px); }
  75%      { transform: translateX(4px); }
}
.zm-field .row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

/* repeatable rows (multi-PO, multi-unit) */
.zm-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 8px; }
.zm-row {
  position: relative;
  border: 1px solid var(--zm-line);
  border-radius: var(--zm-radius-sm);
  padding: 12px 14px;
  background: #FAFBFE;
}
.zm-row.is-po { padding: 6px 10px; background: #fff; }
.zm-row .row-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}
.zm-row .row-head .num {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--zm-mute); font-weight: 700;
}
.zm-row .row-rm {
  background: transparent;
  border: 0;
  color: var(--zm-mute);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}
.zm-row .row-rm:hover { color: var(--zm-red); background: #FFF0F2; }
.zm-row .row-rm[disabled] { opacity: 0.35; cursor: not-allowed; }
.zm-row input, .zm-row select {
  width: 100%;
  font: inherit;
  color: var(--zm-ink);
  background: #fff;
  border: 1px solid var(--zm-line);
  border-radius: var(--zm-radius-sm);
  padding: 12px 14px;
  min-height: var(--zm-tap);
  outline: none;
}
.zm-row .row-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.zm-row .field-label {
  font-size: 12px; color: var(--zm-mute); font-weight: 600;
  margin-bottom: 2px;
}
.zm-add {
  background: transparent;
  border: 1px dashed var(--zm-line);
  color: var(--zm-navy);
  border-radius: var(--zm-radius-sm);
  padding: 10px 14px;
  width: 100%;
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  min-height: 40px;
}
.zm-add:hover { border-color: var(--zm-navy); background: #F1F4FF; }

/* read-only auto-populated client info card */
.zm-readout {
  background: #F8F9FE;
  border: 1px dashed var(--zm-line);
  border-radius: var(--zm-radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  color: var(--zm-ink);
  white-space: pre-line;
}
.zm-readout strong { color: var(--zm-navy); }

/* ---------- checkboxes (checklist) ---------- */
.zm-checks { display: flex; flex-direction: column; gap: 6px; }
.zm-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--zm-line);
  border-radius: var(--zm-radius-sm);
  background: #fff;
  cursor: pointer;
  min-height: var(--zm-tap);
  transition: background 0.15s, border-color 0.15s;
}
.zm-check input { width: 22px; height: 22px; margin-top: 1px; accent-color: var(--zm-navy); flex: none; }
.zm-check span { font-size: 14px; color: var(--zm-ink); line-height: 1.35; }
.zm-check.is-on { background: #F1F8F4; border-color: #BFE3CF; }
.zm-check-group h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--zm-mute);
  margin: 18px 0 8px;
  font-weight: 700;
}
.zm-check-group:first-child h3 { margin-top: 0; }

/* ---------- photo uploads ---------- */
.zm-photos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.zm-photo {
  position: relative;
  background: #F8F9FE;
  border: 1px dashed var(--zm-line);
  border-radius: var(--zm-radius-sm);
  padding: 12px;
  text-align: center;
  min-height: 130px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.zm-photo .label { font-size: 12px; font-weight: 600; color: var(--zm-navy); margin-bottom: 6px; }
.zm-photo .sub { font-size: 11px; color: var(--zm-mute); margin-bottom: 8px; }
.zm-photo .preview { width: 100%; max-height: 200px; object-fit: cover; border-radius: 6px; }
.zm-photo input[type="file"] { display: none; }
.zm-photo button.pick {
  background: var(--zm-navy);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 13px;
  min-height: 40px;
  cursor: pointer;
}
.zm-photo button.clear {
  background: rgba(0,0,0,0.55);
  color: #fff;
  position: absolute;
  top: 8px; right: 8px;
  border: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
}

/* ---------- signatures ---------- */
/* Each person gets their name + signature canvas paired together */
.zm-sig-person {
  border: 1px solid var(--zm-line);
  border-radius: var(--zm-radius-sm);
  padding: 14px;
  margin-bottom: 14px;
  background: #FAFBFE;
}
.zm-sig-person .zm-field { margin-bottom: 10px; }
.zm-sig-person .zm-field > label { color: var(--zm-navy); }
.zm-sig-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.zm-sig {
  border: 1px solid var(--zm-line);
  border-radius: var(--zm-radius-sm);
  padding: 12px;
  background: #fff;
}
.zm-sig label { font-weight: 600; font-size: 13px; color: var(--zm-navy); display: block; margin-bottom: 4px; }
.zm-sig .who { font-size: 12px; color: var(--zm-mute); margin-bottom: 8px; }
.zm-sig canvas {
  width: 100%;
  height: 160px;
  background: #FAFBFE;
  border: 1px dashed var(--zm-line);
  border-radius: 6px;
  touch-action: none;
}
.zm-sig .sig-actions {
  display: flex; gap: 8px; margin-top: 8px;
}
.zm-sig .sig-actions button {
  flex: 1;
  background: #fff;
  border: 1px solid var(--zm-line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--zm-mute);
  min-height: 40px;
  cursor: pointer;
}
.zm-sig .sig-actions button:hover { color: var(--zm-navy); border-color: var(--zm-navy); }

/* ---------- nav buttons ---------- */
.zm-nav {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}
.zm-btn {
  border: 0;
  border-radius: var(--zm-radius-sm);
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 18px;
  min-height: var(--zm-tap);
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
  letter-spacing: 0.1px;
}
.zm-btn:active { transform: translateY(1px); }
.zm-btn.primary { background: var(--zm-red); color: #fff; flex: 2; }
.zm-btn.primary:hover { background: var(--zm-red-dark); }
.zm-btn.secondary { background: #fff; color: var(--zm-navy); border: 1px solid var(--zm-line); flex: 1; }
.zm-btn.ghost { background: transparent; color: var(--zm-mute); }
.zm-btn[disabled] { opacity: 0.55; cursor: not-allowed; }

/* ---------- review summary ---------- */
.zm-summary { font-size: 14px; }
.zm-summary .row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--zm-line);
}
.zm-summary .row:last-child { border-bottom: 0; }
.zm-summary .k { color: var(--zm-mute); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; padding-top: 2px; }
.zm-summary .v { color: var(--zm-ink); white-space: pre-line; }

/* ---------- toasts / banners ---------- */
.zm-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--zm-ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: var(--zm-shadow);
  font-size: 14px;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.zm-toast.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }
.zm-toast.err { background: var(--zm-red); }
.zm-toast.ok  { background: var(--zm-success); }

.zm-banner {
  border-radius: var(--zm-radius-sm);
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 14px;
}
.zm-banner.warn { background: #FFF6E6; color: #6B4400; border: 1px solid #F2DBA0; }
.zm-banner.info { background: #EEF2FF; color: var(--zm-navy); border: 1px solid #C9D1F1; }

/* ---------- admin ---------- */
.zm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.zm-table th, .zm-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--zm-line);
  vertical-align: top;
}
.zm-table th { color: var(--zm-mute); font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; }
.zm-table tr:last-child td { border-bottom: 0; }
.zm-table .actions { white-space: nowrap; }
.zm-table .actions button {
  background: #fff;
  border: 1px solid var(--zm-line);
  border-radius: 6px;
  padding: 6px 10px;
  margin-right: 4px;
  font-size: 12px;
  cursor: pointer;
}
.zm-table .actions button:hover { border-color: var(--zm-navy); color: var(--zm-navy); }
.zm-table .actions button.danger:hover { border-color: var(--zm-red); color: var(--zm-red); }

.zm-actions-bar {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 16px;
}
.zm-actions-bar .zm-btn { flex: 0 0 auto; padding: 10px 14px; min-height: 40px; font-size: 14px; }

.zm-modal-bg {
  position: fixed; inset: 0;
  background: rgba(20, 27, 60, 0.55);
  display: none;
  align-items: center; justify-content: center;
  z-index: 50;
  padding: 16px;
}
.zm-modal-bg.is-on { display: flex; }
.zm-modal {
  background: #fff;
  border-radius: var(--zm-radius);
  width: 100%;
  max-width: 480px;
  padding: 24px;
  box-shadow: var(--zm-shadow);
}
.zm-modal h2 { margin: 0 0 12px; font-size: 18px; color: var(--zm-navy); }

/* ---------- desktop overrides ---------- */
@media (min-width: 720px) {
  .zm-topbar { padding: 18px 28px; }
  .zm-topbar h1 { font-size: 22px; }
  .zm-steps { position: sticky; top: 88px; z-index: 25; }
  .zm-page { padding: 24px; }
  .zm-card { padding: 28px; }
  .zm-field .row { grid-template-columns: 1fr 1fr; }
  .zm-photos { grid-template-columns: repeat(3, 1fr); }
  .zm-sig-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- print/PDF helper ---------- */
.zm-hidden-render {
  position: absolute;
  left: -9999px;
  top: 0;
  width: 794px;  /* A4 @ 96dpi */
}