/* ============================================
   DJI FORM BUILDER — styles.css
   Print-first, industrial/utilitarian aesthetic
   ============================================ */

:root {
  --bg:        #f2f2f0;
  --page-bg:   #ffffff;
  --border:    #c8c8c4;
  --border-dk: #999;
  --text:      #1a1a1a;
  --muted:     #777;
  --accent:    #1a3a5c;
  --accent-lt: #e8eef4;
  --th-bg:     #e8e8e4;
  --input-bg:  #fafafa;
  --danger:    #b52a2a;
  --font-ui:   'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --shadow:    0 2px 12px rgba(0,0,0,0.10);
}

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

html {
  background: var(--bg);
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--text);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 60px;
}

/* ---- TOOLBAR ---- */
.toolbar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 28px;
  background: var(--accent);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.toolbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 30px;
  height: 30px;
  background: #fff;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0.9;
}

.toolbar-actions { display: flex; gap: 8px; }

.btn-tool {
  border: none;
  padding: 6px 14px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: all 0.15s;
}

.btn-reset {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.8);
}
.btn-reset:hover { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.7); }

.btn-import {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
}
.btn-import:hover { background: rgba(255,255,255,0.25); }

.btn-save {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
}
.btn-save:hover { background: rgba(255,255,255,0.25); }

.btn-print {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.btn-print:hover { background: #e8eef4; }

/* ---- PAGES ---- */
.page {
  width: 8.5in;
  min-height: 11in;
  background: var(--page-bg);
  margin: 32px auto 0;
  padding: 0.5in 0.55in 0.45in;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

/* ---- PAGE HEADER ---- */
.page-header {
  border-bottom: 3px solid var(--accent);
  padding-bottom: 8px;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.page-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.page-sub {
  font-size: 11px;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-header-sm {
  border-bottom-width: 2px;
  padding-bottom: 6px;
  margin-bottom: 10px;
}

.page-title-sm {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* ---- META ROW ---- */
.meta-row {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.meta-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}
.meta-field.wide { flex: 2; }

.meta-field label {
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.meta-field input {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-bottom: 2px solid var(--border-dk);
  color: var(--text);
  padding: 5px 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  outline: none;
  transition: border-color 0.12s;
  width: 100%;
}
.meta-field input:focus {
  border-color: var(--accent);
  border-bottom-color: var(--accent);
  background: #fff;
}

/* ---- TWIN PANEL ---- */
.twin-panel {
  display: flex;
  border: 1px solid var(--border);
  margin-bottom: 14px;
  flex: 1; /* fill remaining space on page 1 */
}

.sub-panel { flex: 1; }
.sub-panel.border-right  { border-right: 1px solid var(--border); }
.sub-panel.border-bottom { border-bottom: 1px solid var(--border); }

.sub-panel-stack {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.sub-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 8px;
  background: var(--th-bg);
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
}

.btn-add {
  background: transparent;
  border: 1px solid var(--border-dk);
  color: var(--muted);
  padding: 2px 7px;
  font-size: 10px;
  font-family: var(--font-ui);
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: all 0.12s;
}
.btn-add:hover { color: var(--accent); border-color: var(--accent); }

/* ---- TABLES ---- */
.dji-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.dji-table th {
  background: var(--th-bg);
  padding: 4px 8px;
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--muted);
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.dji-table td {
  border-bottom: 1px solid var(--border);
  padding: 0;
  vertical-align: top;
}
.dji-table tr:last-child td { border-bottom: none; }

.col-no   { width: 30px; text-align: center; }
.col-del  { width: 24px; }

.row-num {
  display: block;
  text-align: center;
  padding: 6px 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
}

.cell-input {
  display: block;
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 11px;
  padding: 5px 8px;
  resize: none;
  min-height: 28px;
  overflow: hidden;
  line-height: 1.45;
}
.cell-input:focus { background: #f5f8fc; }

.btn-del {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  color: #ccc;
  cursor: pointer;
  padding: 6px 4px;
  font-size: 11px;
  text-align: center;
  transition: color 0.12s;
}
.btn-del:hover { color: var(--danger); }

/* ---- SECTION BAR ---- */
.section-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 8px;
  background: var(--th-bg);
  border: 1px solid var(--border);
  border-bottom: none;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---- STEPS CONTAINER ---- */
.steps-container {
  border: 1px solid var(--border);
  margin-bottom: 14px;
  flex: 1;
}

/* Column header row */
.steps-header {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 28px;
  background: var(--th-bg);
  border-bottom: 1px solid var(--border);
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.steps-header span {
  padding: 4px 8px;
}
.steps-header .col-del-hdr { width: 28px; }

/* ---- STEP BLOCK ---- */
.step-block {
  border-bottom: 1px solid var(--border);
}
.step-block:last-child { border-bottom: none; }

/* Main data row */
.step-row {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 28px;
  align-items: stretch;
}

.step-row > *:not(:last-child) {
  border-right: 1px solid var(--border);
}

/* ---- DETAIL CELL (contains textarea + photo panel stacked) ---- */
.detail-cell {
  display: flex;
  flex-direction: column;
  min-width: 0; /* prevent grid blowout */
}

/* ---- PHOTO PANEL — lives inside the Details cell ---- */
.step-photo-panel {
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px;
  background: #fafafa;
}

/* The photo itself — constrained so it fits the Details column */
.step-photo-img {
  max-width: 100%;
  max-height: 3in;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
  border: 1px solid var(--border);
}

/* Upload zone (no photo yet) */
.photo-upload-zone {
  width: 100%;
  border: 2px dashed var(--border-dk);
  background: #f5f5f3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 14px 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  color: var(--muted);
  font-size: 10px;
  text-align: center;
}
.photo-upload-zone:hover {
  border-color: var(--accent);
  background: var(--accent-lt);
  color: var(--accent);
}
.photo-upload-zone .upload-icon { font-size: 18px; line-height: 1; }

/* Controls shown when photo is loaded */
.photo-controls {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-photo-change,
.btn-photo-remove {
  background: transparent;
  border: 1px solid var(--border-dk);
  color: var(--muted);
  font-size: 10px;
  font-family: var(--font-ui);
  font-weight: 600;
  padding: 2px 7px;
  cursor: pointer;
  transition: all 0.12s;
}
.btn-photo-change:hover { color: var(--accent); border-color: var(--accent); }
.btn-photo-remove:hover { color: var(--danger); border-color: var(--danger); }

.photo-filename {
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--muted);
  word-break: break-all;
  text-align: center;
}

/* Toggle button — sits below the textarea, above the panel */
.btn-photo-toggle {
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 10px;
  font-family: var(--font-ui);
  cursor: pointer;
  padding: 4px 8px;
  text-align: left;
  width: 100%;
  transition: color 0.12s, background 0.12s;
}
.btn-photo-toggle:hover { color: var(--accent); background: var(--accent-lt); }
.btn-photo-toggle.has-photo { color: var(--accent); font-weight: 700; }

/* ---- PAGE FOOTER ---- */
.page-footer {
  padding-top: 10px;
  border-top: 1px solid var(--border);
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--muted);
}

/* ---- PRINT ---- */
@media print {
  html { background: #fff; }

  body {
    display: block;
    padding: 0;
    margin: 0;
  }

  .no-print { display: none !important; }

  .page {
    margin: 0;
    padding: 0.4in 0.5in 0.4in;
    box-shadow: none;
    width: 100%;
    min-height: auto;
    page-break-after: always; /* each .page = its own print page */
  }

  .page:last-of-type {
    page-break-after: auto;
  }

  /* page 2 forced onto new page */
  .page-break {
    page-break-before: always;
  }

  .meta-field input {
    border: none;
    border-bottom: 1px solid #aaa;
    background: none;
    padding: 2px 0;
  }

  .cell-input { background: none !important; }

  .btn-add, .btn-del { display: none !important; }

  .twin-panel { page-break-inside: avoid; }

  /* Step blocks: keep label+instructions+details together; photo below is ok to orphan slightly */
  .step-block { page-break-inside: avoid; }
  .step-row   { page-break-inside: avoid; }

  /* Photo upload zone hidden in print; only the img shows */
  .photo-upload-zone { display: none !important; }
  .photo-controls    { display: none !important; }
  .btn-photo-toggle  { display: none !important; }

  /* Hide photo panel entirely if no photo attached */
  .step-photo-panel.empty { display: none !important; }

  .step-photo-img {
    max-width: 100%;
    max-height: 3.5in;
    margin: 4px auto;
    display: block;
  }
}