@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/fonts/inter-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/fonts/inter-cyrillic-ext.woff2") format("woff2");
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/fonts/inter-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-alt: #1e222b;
  --border: #2a2e38;
  --text: #e8eaed;
  --text-muted: #8b909c;
  --accent: #5b8cff;
  --accent-strong: #7ea2ff;
  --purchase: #34d399;
  --purchase-strong: #2fbf8e;
  --sale: #f5a35c;
  --sale-strong: #e8934a;
  --danger: #f87171;
}

* { box-sizing: border-box; }

/* Form controls don't inherit font-family from the page by default in
   any browser — without this, every button/input/select silently falls
   back to the OS default font regardless of what body declares. */
button, input, select, textarea {
  font-family: inherit;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* On a phone (or inside Telegram) .app fills the viewport exactly like
   before. On wider screens it becomes a centered, phone-width column
   instead of stretching every row edge-to-edge. */
.app {
  max-width: 640px;
  margin: 0 auto;
  min-height: 100vh;
}

@media (min-width: 700px) {
  .app {
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
  }
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  padding: 14px 16px 8px;
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; font-size: 16px; letter-spacing: 0.01em; }

.tabs {
  display: flex;
  position: sticky;
  top: 45px;
  z-index: 19;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  flex: 1;
  padding: 12px 8px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  color: var(--accent-strong);
  border-bottom-color: var(--accent-strong);
}

.view { display: none; padding-bottom: 32px; }
.view.active { display: block; }

.toolbar {
  display: flex;
  gap: 8px;
  padding: 12px;
  flex-wrap: wrap;
}

.toolbar input[type="search"],
.toolbar select,
.toolbar input[type="date"] {
  flex: 1;
  min-width: 130px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
}

.toolbar input:focus,
.toolbar select:focus {
  outline: none;
  border-color: var(--accent);
}

.date-field {
  flex: 1;
  min-width: 140px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}

.date-field input { flex: 1; }

.checkbox-inline {
  flex: 1;
  min-width: 150px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  white-space: nowrap;
}

.checkbox-inline input { width: auto; }

/* Segmented control (operation type / stats type) */
.segmented {
  display: flex;
  gap: 4px;
  margin: 12px;
  padding: 3px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.segmented.sub-tabs { margin: 12px 12px 0; }

.segmented-btn {
  flex: 1;
  padding: 9px 10px;
  border: none;
  border-radius: 7px;
  background: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.segmented-btn.active {
  background: var(--accent);
  color: #fff;
}

.card {
  margin: 0 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.card .toolbar { padding: 12px 12px 4px; }

.hint {
  padding: 4px 12px 12px;
  color: var(--text-muted);
  font-size: 13px;
}

.category-block { margin: 0 12px 16px; }

.category-block h3 {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
}

.item-row:last-child { border-bottom: none; }

.item-row.clickable { cursor: pointer; transition: background 0.1s; }
.item-row.clickable:hover, .item-row.clickable:active { background: var(--surface-alt); }

.item-name { flex: 1; }

.item-qty {
  color: var(--accent-strong);
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}

.item-qty.empty-qty {
  color: var(--text-muted);
  font-weight: 400;
}

.stats-total {
  margin: 0 12px 12px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--accent-strong);
}

.stats-list { margin: 0 12px; }

.stats-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}

.stats-row-name { font-weight: 600; }
.stats-row-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.stats-row-amount { font-weight: 700; white-space: nowrap; }

.stats-row.clickable { cursor: pointer; transition: background 0.1s; }
.stats-row.clickable:hover, .stats-row.clickable:active { background: var(--surface-alt); }

.empty, .error {
  margin: 20px 12px;
  text-align: center;
  color: var(--text-muted);
}

.error { color: var(--danger); }

/* Operation form */
.op-form { padding: 4px 12px 16px; }

.selected-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.selected-item-name { font-weight: 700; font-size: 15px; }
.selected-item-meta { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

.link-btn {
  border: none;
  background: none;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  white-space: nowrap;
}

.field {
  display: block;
  margin-bottom: 14px;
}

.field span {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.field em { font-style: normal; opacity: 0.7; }

.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
  color: var(--text);
  font-size: 15px;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  color: #0b0d11;
  cursor: pointer;
}

.btn-purchase { background: var(--purchase); }
.btn-purchase:active { background: var(--purchase-strong); }

.btn-sale { background: var(--sale); }
.btn-sale:active { background: var(--sale-strong); }

.btn-secondary { background: var(--surface-alt); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:active { background: var(--surface); }

.btn:disabled { opacity: 0.5; cursor: default; }

.op-choice-buttons {
  display: flex;
  gap: 10px;
}

.op-choice-buttons .btn {
  flex: 1;
  width: auto;
}

.op-message {
  margin-top: 12px;
  padding: 11px 12px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.4;
}

.op-message.success {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--purchase);
}

.op-message.error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: var(--danger);
}

/* Item detail / edit panel */
.detail-header {
  padding: 12px 12px 4px;
}

.field-row {
  display: flex;
  gap: 10px;
}

.field-row .field { flex: 1; }

.field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
  color: var(--text);
  font-size: 15px;
}

.field select:focus { outline: none; border-color: var(--accent); }

.checkbox-field {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.checkbox-field span { margin: 0; }
.checkbox-field input { width: auto; }

.section-title {
  margin: 22px 0 10px;
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* .section-title/.item-list already sit inside a padded wrapper
   (.op-form, .category-block) everywhere except Settings, where they're
   direct children of .card — give just that case its own indent so it
   lines up with the form fields below it instead of hugging the edge. */
.card > .section-title {
  padding: 0 12px;
}

.card > .item-list {
  margin: 0 12px 14px;
}

.card > .section-title:first-child {
  margin-top: 16px;
}

.stock-edit-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.stock-edit-row:last-child { border-bottom: none; }

.stock-edit-label {
  flex: 0 0 70px;
  color: var(--text-muted);
  font-size: 13px;
}

.stock-edit-row input {
  flex: 1 1 0;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
  color: var(--text);
  font-size: 14px;
}

.stock-edit-row input:focus { outline: none; border-color: var(--accent); }

.stock-edit-row .link-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* Settings tab */
.settings-form {
  padding: 4px 12px 16px;
}

.settings-form .segmented {
  margin: 0 0 14px;
}

.user-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.item-list .user-row:last-child { border-bottom: none; }

.user-row-main { min-width: 0; }
.user-row-name { font-weight: 600; }
.user-row-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.role-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.role-badge.admin { background: rgba(91, 140, 255, 0.18); color: var(--accent-strong); }
.role-badge.manager { background: rgba(139, 144, 156, 0.18); color: var(--text-muted); }

.user-row .link-btn { color: var(--danger); flex: 0 0 auto; }

.access-denied {
  margin: 40px 16px;
  text-align: center;
  color: var(--text);
}

.access-denied p { margin: 8px 0; }
.access-denied .hint { color: var(--text-muted); font-size: 13px; }

[hidden] { display: none !important; }