/* LNS Ops Mini App — minimal, mobile-first, Telegram-themed */

:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #1a1a1a);
  --muted: var(--tg-theme-hint-color, #707579);
  --link: var(--tg-theme-link-color, #2481cc);
  --accent: var(--tg-theme-button-color, #2481cc);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --secondary-bg: var(--tg-theme-secondary-bg-color, #f4f4f5);
  --border: rgba(0, 0, 0, 0.12);
  --error: #d44f4f;
  --error-bg: #fdecec;
  --warn: #b07c1a;
  --warn-bg: #fdf3da;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root { --border: rgba(255, 255, 255, 0.16); }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
}

#app { padding: 16px; max-width: 480px; margin: 0 auto; }

.hidden { display: none !important; }

.state-screen {
  text-align: center;
  padding: 48px 16px;
}
.state-screen .emoji { font-size: 56px; margin-bottom: 8px; }
.state-screen h2 { margin: 8px 0 4px; }
.state-screen p { margin: 4px 0 24px; }

.muted { color: var(--muted); }
.small { font-size: 13px; }

.form-header h1 { margin: 0 0 4px; font-size: 20px; }
.form-header p { margin: 0 0 16px; }

fieldset { border: 0; padding: 0; margin: 0 0 16px; }
fieldset legend { padding: 0; }

.label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}

.field { margin-bottom: 14px; }
.field input, .field select, .field textarea {
  width: 100%;
  font-size: 16px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: transparent;
}
.field textarea { resize: vertical; min-height: 56px; }
.hint { margin: 6px 0 0; font-size: 12px; color: var(--muted); }

.row { display: flex; gap: 12px; }
.row .grow { flex: 1; }

/* Segmented control */
.seg-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: var(--secondary-bg);
  padding: 4px;
  border-radius: var(--radius);
}
.seg-options input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.seg-options label {
  text-align: center;
  padding: 10px 8px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
}
.seg-options input[type="radio"]:checked + label {
  background: var(--bg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  color: var(--text);
}

#transfer-side-wrap .seg-options { grid-template-columns: 1fr 1fr; }

/* Buttons */
.btn-primary, .btn-secondary {
  display: block;
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 600;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  margin-top: 8px;
}
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary { background: var(--secondary-bg); color: var(--text); }

/* Errors */
.form-error {
  background: var(--error-bg);
  color: var(--error);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 12px;
}

/* Slip photo capture */
.btn-slip {
  width: 100%;
  padding: 14px 16px;
  background: var(--secondary-bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text);
}
.slip-preview {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px;
  background: var(--secondary-bg);
  border-radius: var(--radius);
}
.slip-preview img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 6px;
}
.slip-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.slip-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 4px;
}
.btn-slip-remove {
  background: transparent;
  border: 0;
  color: var(--error);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  text-align: left;
  font-family: inherit;
}
.btn-slip-autofill {
  background: var(--accent);
  color: var(--accent-text);
  border: 0;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-slip-autofill:disabled { opacity: 0.6; cursor: not-allowed; }

.ocr-banner {
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--warn-bg);
  color: var(--warn);
  border-radius: var(--radius);
  font-size: 13px;
}
.ocr-banner.is-error  { background: var(--error-bg); color: var(--error); }
.ocr-banner.is-ok     { background: #e9f6e9; color: #2c7a2c; }

/* Loaded summary (read-only card on Transfer + Unload) */
.loaded-summary {
  background: var(--secondary-bg);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin: -4px 0 14px;
}
.loaded-summary .ls-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 8px;
}
.loaded-summary .ls-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 3px 0;
}
.loaded-summary .ls-label { color: var(--muted); }

/* Spinner */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 12px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }