/* ------------------------------------------------------------------ */
/* Design tokens                                                        */
/* ------------------------------------------------------------------ */
:root {
  --bg:          #0e0e10;
  --card:        #16161a;
  --card-border: #26262e;
  --accent:      #d28c32;
  --accent2:     #50a0dc;
  --muted:       #5a5a69;
  --text:        #dcdad2;
  --subtext:     #828078;
  --input-bg:    #1e1e24;
  --input-border:#37373d;
  --green:       #64c878;
  --red:         #d25046;
  --amber:       #dcaa3c;
}

/* ------------------------------------------------------------------ */
/* Reset & base                                                         */
/* ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}
button { cursor: pointer; font-family: inherit; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ------------------------------------------------------------------ */
/* Top navigation                                                       */
/* ------------------------------------------------------------------ */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--card);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  height: 48px;
  gap: 20px;
}
.brand {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  flex-shrink: 0;
}
.tabs {
  display: flex;
  gap: 4px;
}
.tabs button {
  background: transparent;
  border: none;
  color: var(--subtext);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.15s, background 0.15s;
}
.tabs button:hover { color: var(--text); }
.tabs button.active {
  background: var(--accent);
  color: #0e0e10;
  font-weight: 700;
}

/* ------------------------------------------------------------------ */
/* Page layout                                                          */
/* ------------------------------------------------------------------ */
.page {
  padding-top: 48px;
  height: 100vh;
  display: flex;
  flex-direction: column;
}
.tab-panel { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.tab-panel.active { display: flex; }

/* ------------------------------------------------------------------ */
/* Toolbar (per-tool)                                                   */
/* ------------------------------------------------------------------ */
.toolbar {
  background: var(--card);
  border-bottom: 1px solid var(--card-border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.toolbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ------------------------------------------------------------------ */
/* Buttons                                                              */
/* ------------------------------------------------------------------ */
.btn-primary {
  background: var(--accent);
  color: #0e0e10;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  white-space: nowrap;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost {
  background: transparent;
  color: var(--subtext);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  white-space: nowrap;
}
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }
.btn-ghost.blue {
  color: var(--accent2);
  border-color: rgba(80,160,220,0.4);
}
.btn-ghost.blue:hover { border-color: var(--accent2); }
.btn-danger {
  background: transparent;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 11.5px;
}
.btn-icon {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 13px;
  padding: 4px 6px;
  border-radius: 4px;
}
.btn-icon:hover { color: var(--text); }

/* ------------------------------------------------------------------ */
/* Cards                                                                */
/* ------------------------------------------------------------------ */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 16px;
}

/* ------------------------------------------------------------------ */
/* Inputs                                                               */
/* ------------------------------------------------------------------ */
input[type=text], input[type=number], input[type=date], textarea, select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text);
  outline: none;
}
input[type=text]:focus, input[type=number]:focus,
input[type=date]:focus, textarea:focus, select:focus {
  border-color: var(--accent);
}
input::placeholder, textarea::placeholder { color: var(--muted); }
.search-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text);
  outline: none;
  width: 200px;
  font-size: 13px;
}
.search-input:focus { border-color: var(--accent); }

/* ------------------------------------------------------------------ */
/* Pills / filter chips                                                 */
/* ------------------------------------------------------------------ */
.pill {
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 20px;
  color: var(--subtext);
  font-size: 11.5px;
  padding: 3px 10px;
  cursor: pointer;
  white-space: nowrap;
}
.pill:hover { color: var(--text); }
.pill.active {
  background: var(--accent);
  color: #0e0e10;
  border-color: var(--accent);
  font-weight: 600;
}
.pill.blue.active {
  background: var(--accent2);
  color: #0e0e10;
  border-color: var(--accent2);
}
.pill.blue { border-color: rgba(80,160,220,0.3); color: var(--accent2); }

/* ------------------------------------------------------------------ */
/* Labels (section headers)                                             */
/* ------------------------------------------------------------------ */
.label {
  text-transform: uppercase;
  font-size: 10.5px;
  color: var(--muted);
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* ------------------------------------------------------------------ */
/* Status messages                                                      */
/* ------------------------------------------------------------------ */
.status-msg {
  font-size: 12px;
  padding: 2px 0;
  transition: opacity 0.4s;
}
.status-msg.success { color: var(--green); }
.status-msg.error { color: var(--red); }
.error-banner {
  background: rgba(210, 80, 70, 0.15);
  border: 1px solid var(--red);
  border-radius: 6px;
  padding: 8px 14px;
  color: var(--red);
  font-size: 13px;
  margin: 8px 20px;
  display: none;
}

/* ------------------------------------------------------------------ */
/* Scrollable content area                                              */
/* ------------------------------------------------------------------ */
.scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}
.scroll-area::-webkit-scrollbar { width: 6px; }
.scroll-area::-webkit-scrollbar-track { background: transparent; }
.scroll-area::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 3px; }

.inner { max-width: 900px; }

/* ------------------------------------------------------------------ */
/* Fixed footer (summary bars)                                         */
/* ------------------------------------------------------------------ */
.summary-footer {
  background: #12121a;
  border-top: 1px solid var(--card-border);
  padding: 12px 20px;
  flex-shrink: 0;
}

/* ------------------------------------------------------------------ */
/* Modal (shared)                                                       */
/* ------------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 20px;
  min-width: 300px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-title { color: var(--text); font-size: 15px; font-weight: 700; }

/* ------------------------------------------------------------------ */
/* Empty state                                                          */
/* ------------------------------------------------------------------ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.empty-state p { margin-top: 8px; font-size: 13px; }

/* ------------------------------------------------------------------ */
/* Grand total row (shared footer format)                              */
/* ------------------------------------------------------------------ */
.grand-total-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.grand-total-item { display: flex; flex-direction: column; gap: 1px; }
.grand-total-item .label { font-size: 9.5px; }
.grand-total-item .val { color: var(--accent); font-size: 13px; font-weight: 700; }
.grand-total-item .val.big { font-size: 18px; }

/* ------------------------------------------------------------------ */
/* Runout badge (shared between stock + packaging)                     */
/* ------------------------------------------------------------------ */
.runout-badge { font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 10px; white-space: nowrap; flex-shrink: 0; }
.runout-badge.ok       { background: rgba(100,200,120,0.12); color: var(--green);  border: 1px solid rgba(100,200,120,0.22); }
.runout-badge.warn     { background: rgba(220,170,60,0.12);  color: var(--amber);  border: 1px solid rgba(220,170,60,0.22); }
.runout-badge.critical { background: rgba(210,80,70,0.12);   color: var(--red);    border: 1px solid rgba(210,80,70,0.25); }

/* ------------------------------------------------------------------ */
/* Sparkline wrap (shared)                                              */
/* ------------------------------------------------------------------ */
.sparkline-wrap { width: 160px; flex-shrink: 0; line-height: 0; }
@media (max-width: 600px) { .sparkline-wrap { width: 100px; } }

/* ------------------------------------------------------------------ */
/* Tab alert badges                                                     */
/* ------------------------------------------------------------------ */
.tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab-badge {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-left: 5px;
  vertical-align: middle;
  flex-shrink: 0;
}
.tab-badge.hidden { display: none; }
.tab-badge.amber { background: var(--amber); }
.tab-badge.red { background: var(--red); }

/* ------------------------------------------------------------------ */
/* Login screen                                                         */
/* ------------------------------------------------------------------ */
#login-screen {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
}
#login-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 40px; width: 320px;
  display: flex; flex-direction: column; gap: 12px;
}
#login-logo { font-size: 40px; text-align: center; }
#login-title { color: var(--text); font-size: 20px; font-weight: 600; text-align: center; margin: 0; }
#login-error { color: var(--red); font-size: 12px; min-height: 16px; }
#login-card input { width: 100%; box-sizing: border-box; }
#login-card .btn-primary { width: 100%; margin-top: 4px; }

/* ------------------------------------------------------------------ */
/* Sub Volume — month input                                             */
/* ------------------------------------------------------------------ */
input[type=month] {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text);
  outline: none;
  color-scheme: dark;
}
input[type=month]:focus { border-color: var(--accent); }

/* ------------------------------------------------------------------ */
/* Responsive / tablet                                                  */
/* ------------------------------------------------------------------ */
@media (max-width: 768px) {
  .brew-editor { width: 100%; }
  .roast-grid { grid-template-columns: repeat(4, auto); }
  .stock-grid { grid-template-columns: repeat(2, 1fr); }
  .pkg-grid { grid-template-columns: 1fr 1fr; }
  .tabs button { padding: 6px 8px; font-size: 12px; }
  .inner { max-width: 100%; }
}
@media (max-width: 600px) {
  .topnav { padding: 0 10px; gap: 6px; height: 44px; }
  .brand { font-size: 13px; }
  .tabs button { padding: 5px 7px; font-size: 11px; }
  #signout-btn { font-size: 11px !important; padding: 3px 8px !important; }
  .scroll-area { padding: 10px 12px; }
  .toolbar { padding: 8px 12px; gap: 6px; }
  .modal { width: calc(100vw - 32px); min-width: unset; max-width: unset; }
  .brew-editor { width: 100%; left: 0; }
}
@media (max-width: 480px) {
  .tabs button { padding: 5px 6px; font-size: 11px; }
  .summary-pills { gap: 6px; }
  .summary-pill { min-width: 90px; }
}