/* ============================================================
   STUDIOFORMA PRODUCTION TRACKER — styles.css
   Iteration 3: Polish, Sub-stages, localStorage
   ============================================================ */

/* --- TOKENS --- */
:root {
  --white: #ffffff;
  --bg: #f5f5f3;
  --surface: #ffffff;
  --border: #e0e0db;
  --border-strong: #c8c8c2;

  --text-primary: #1a1a18;
  --text-secondary: #6b6b65;
  --text-muted: #9e9e98;

  --accent: #1a1a18;
  --accent-hover: #333330;

  --success: #2e7d32;
  --success-bg: #e8f5e9;
  --success-border: #a5d6a7;

  --stage-received: #e8f4fd;
  --stage-received-text: #1565c0;
  --stage-material: #fff8e1;
  --stage-material-text: #e65100;
  --stage-production: #f3e5f5;
  --stage-production-text: #6a1b9a;
  --stage-qc: #e8f5e9;
  --stage-qc-text: #2e7d32;
  --stage-dispatched: #f5f5f5;
  --stage-dispatched-text: #616161;

  --sub-carpentry: #fff3e0;
  --sub-carpentry-text: #bf360c;
  --sub-painting: #e3f2fd;
  --sub-painting-text: #0d47a1;
  --sub-finishing: #f9fbe7;
  --sub-finishing-text: #33691e;

  --danger: #c62828;
  --danger-bg: #ffebee;
  --danger-border: #ef9a9a;
  --overdue: #c62828;
  --overdue-border: #ef9a9a;
  --overdue-bg: #fff5f5;

  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);

  --sidebar-width: 360px;
  --header-height: 56px;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* --- HEADER --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: var(--shadow-sm);
}
.header-left { display: flex; align-items: baseline; gap: 10px; }
.brand { font-size: 1rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.brand-sub { font-size: 0.8rem; color: var(--text-secondary); font-weight: 400; }
.header-right { display: flex; align-items: center; gap: 10px; }

.edit-mode-indicator {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--success);
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  padding: 3px 10px;
  border-radius: 20px;
}

/* --- PIN OVERLAY --- */
.pin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pin-overlay.hidden { display: none; }
.pin-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 320px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pin-label { font-weight: 600; font-size: 0.95rem; }
.pin-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: 1rem;
  letter-spacing: 0.2em;
}
.pin-input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.pin-error { color: var(--danger); font-size: 0.82rem; }
.pin-actions { display: flex; gap: 8px; }

/* --- DASHBOARD --- */
.dashboard {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.dashboard::-webkit-scrollbar { display: none; }

.dash-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 20px;
  min-width: 120px;
  flex-shrink: 0;
}
#dash-total {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}
#dash-total .dash-label { color: rgba(255,255,255,0.75); }

.dash-count {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}
.dash-count.bump { animation: countBump 0.25s ease; }
@keyframes countBump {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.25); }
  100% { transform: scale(1); }
}
.dash-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.3;
}

/* --- MAIN LAYOUT --- */
.main-layout {
  display: flex;
  height: calc(100vh - var(--header-height) - 85px);
  overflow: hidden;
}

/* --- SIDEBAR --- */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: width 0.2s ease, min-width 0.2s ease;
}
.sidebar.collapsed {
  width: 52px;
  min-width: 52px;
  overflow: hidden;
}
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-title {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.sidebar.collapsed .sidebar-header,
.sidebar.collapsed .order-form,
.sidebar.collapsed .sidebar-locked-msg { display: none; }

.sidebar-open-btn {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  padding: 20px 14px;
  border-radius: 0;
  width: 52px;
  height: 100%;
  border: none;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.sidebar-locked-msg {
  padding: 24px 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.7;
}

/* --- ORDER FORM --- */
.order-form {
  padding: 16px 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}
.form-section {
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-section legend {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-secondary);
  margin-bottom: 6px;
  width: 100%;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}
label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 2px;
}
input[type="text"],
input[type="date"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: 0.87rem;
  color: var(--text-primary);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26,26,24,0.08);
}
input.input-error, select.input-error {
  border-color: var(--danger);
  background: #fff8f8;
}
.required { color: var(--danger); }

/* --- SKU ROWS --- */
.sku-list { display: flex; flex-direction: column; gap: 10px; }
.sku-row {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sku-row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}
.sku-row-num {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.sku-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.82rem;
  padding: 2px 6px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}
.sku-remove:hover { color: var(--danger); background: var(--danger-bg); }
.sku-inline { display: flex; gap: 6px; }
.sku-inline input, .sku-inline select { flex: 1; min-width: 0; }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
  white-space: nowrap;
  user-select: none;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-outline:hover:not(:disabled) { background: var(--accent); color: var(--white); }
.btn-ghost { background: transparent; color: var(--text-secondary); border-color: var(--border-strong); }
.btn-ghost:hover:not(:disabled) { background: var(--bg); color: var(--text-primary); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger-border); }
.btn-danger:hover:not(:disabled) { background: var(--danger-bg); }
.btn-sm { padding: 5px 11px; font-size: 0.79rem; }
.btn-full { width: 100%; }

/* --- INLINE CONFIRM --- */
.inline-confirm {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 0.82rem;
  color: var(--danger);
  flex-wrap: wrap;
  margin-top: 8px;
}
.inline-confirm span { flex: 1; min-width: 160px; }

/* --- BOARD --- */
.board {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.board-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.board-controls-left { display: flex; align-items: center; gap: 8px; }
.board-controls-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-label { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); }
.filter-select { width: auto; padding: 6px 10px; font-size: 0.82rem; }

.filter-empty {
  padding: 32px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}

/* --- EMPTY STATE --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 64px 24px;
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
}
.empty-title { font-size: 1rem; font-weight: 600; color: var(--text-secondary); }
.empty-sub { font-size: 0.85rem; color: var(--text-muted); max-width: 320px; line-height: 1.6; }

/* --- ORDER CARDS --- */
.orders-container { display: flex; flex-direction: column; gap: 14px; }

.order-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow 0.15s, border-color 0.2s;
}
.order-card:hover { box-shadow: var(--shadow-md); }
.order-card.overdue { border-color: var(--overdue-border); background: var(--overdue-bg); }

.order-card.card-flash { animation: cardFlash 1s ease forwards; }
@keyframes cardFlash {
  0%   { box-shadow: 0 0 0 3px rgba(46,125,50,0.55); border-color: var(--success-border); }
  70%  { box-shadow: 0 0 0 2px rgba(46,125,50,0.15); }
  100% { box-shadow: var(--shadow-sm); border-color: var(--border); }
}

.order-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.order-id {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.order-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  word-break: break-word;
}
.order-client { font-size: 0.85rem; color: var(--text-secondary); margin-top: 2px; }

.order-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-secondary);
  row-gap: 4px;
}
.order-meta span { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.overdue-flag { color: var(--overdue) !important; font-weight: 700; }

/* STAGE BADGE */
.stage-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border-radius: 20px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}
.stage-badge.received   { background: var(--stage-received);   color: var(--stage-received-text); }
.stage-badge.material   { background: var(--stage-material);   color: var(--stage-material-text); }
.stage-badge.production { background: var(--stage-production); color: var(--stage-production-text); }
.stage-badge.qc         { background: var(--stage-qc);         color: var(--stage-qc-text); }
.stage-badge.dispatched { background: var(--stage-dispatched); color: var(--stage-dispatched-text); }

/* SUB-STAGE BADGE */
.sub-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.sub-badge.carpentry { background: var(--sub-carpentry); color: var(--sub-carpentry-text); }
.sub-badge.painting  { background: var(--sub-painting);  color: var(--sub-painting-text); }
.sub-badge.finishing { background: var(--sub-finishing); color: var(--sub-finishing-text); }

/* MAIN STAGE PROGRESS BAR */
.stage-progress {
  display: flex;
  gap: 3px;
  align-items: center;
}
.stage-pip {
  height: 4px;
  flex: 1;
  border-radius: 2px;
  background: var(--border);
  transition: background 0.3s;
  position: relative;
}
.stage-pip.done   { background: var(--border-strong); }
.stage-pip.active { background: var(--accent); }

/* SUB-STAGE PROGRESS */
.sub-stage-section {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sub-stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.sub-stage-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-secondary);
}
.sub-stage-track {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
}
.sub-stage-step {
  flex: 1;
  padding: 7px 4px;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--white);
  border-right: 1px solid var(--border-strong);
  transition: background 0.2s, color 0.2s;
  position: relative;
  cursor: default;
}
.sub-stage-step:last-child { border-right: none; }
.sub-stage-step.done {
  background: var(--border);
  color: var(--text-muted);
  text-decoration: line-through;
}
.sub-stage-step.active {
  background: var(--accent);
  color: var(--white);
}
.sub-stage-advance {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* SKU TABLE */
.sku-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); }
.sku-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.81rem;
}
.sku-table th {
  text-align: left;
  padding: 6px 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-size: 0.70rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  white-space: nowrap;
}
.sku-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: top;
  max-width: 180px;
  word-break: break-word;
}
.sku-table tr:last-child td { border-bottom: none; }
.sku-table tbody tr:hover td { background: var(--bg); }

/* STAGE NOTE */
.stage-note {
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: var(--bg);
  border-left: 3px solid var(--border-strong);
  padding: 8px 12px;
  border-radius: 0 var(--radius) var(--radius) 0;
  word-break: break-word;
}

/* ADVANCE STAGE AREA */
.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}
.stage-note-input {
  flex: 1;
  min-width: 140px;
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: 0.82rem;
}

/* --- COMPLETED SECTION --- */
.completed-section { border-top: 1px solid var(--border); padding-top: 20px; }
.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.completed-container { display: flex; flex-direction: column; gap: 8px; }
.completed-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.completed-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  gap: 12px;
  flex-wrap: wrap;
  user-select: none;
  transition: background 0.15s;
}
.completed-card-header:hover { background: var(--bg); }
.completed-chevron {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.2s;
  display: inline-block;
  flex-shrink: 0;
}
.completed-chevron.open { transform: rotate(180deg); }
.completed-card-body {
  padding: 0 16px 14px;
  border-top: 1px solid var(--border);
  display: none;
}
.completed-card-body.open { display: block; }
.completed-stage-notes { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.completed-stage-note-row { display: flex; gap: 8px; font-size: 0.82rem; align-items: flex-start; }
.completed-stage-note-label {
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 140px;
  flex-shrink: 0;
}

/* --- FIELD ERRORS --- */
.field-error { font-size: 0.79rem; color: var(--danger); margin-top: 2px; }
.field-error.hidden { display: none; }

/* --- UTILITY --- */
.hidden { display: none !important; }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .main-layout { flex-direction: column; height: auto; overflow: visible; }
  .sidebar { width: 100% !important; min-width: 100% !important; border-right: none; border-bottom: 1px solid var(--border); }
  .sidebar.collapsed { width: 100% !important; min-width: 100% !important; height: 48px; overflow: hidden; }
  .sidebar-open-btn { writing-mode: horizontal-tb; width: 100%; height: 48px; }
  .dashboard { padding: 12px 16px; gap: 8px; }
  .dash-card { min-width: 90px; padding: 10px 12px; }
  .board { padding: 14px 16px 24px; }
  .order-card { padding: 14px 16px; }
  .board-controls { flex-direction: column; align-items: flex-start; }
}