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

:root {
  --primary: #2563eb;
  --primary-dk: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --bg: #f3f4f6;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom, 1rem);
}

/* ── Header ── */
header {
  background: var(--primary);
  color: #fff;
  padding: 0.9rem 1.25rem calc(0.9rem + env(safe-area-inset-top, 0px));
  padding-top: calc(0.9rem + env(safe-area-inset-top, 0px));
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}

header h1 { font-size: 1.35rem; font-weight: 700; letter-spacing: .4px; }

.config-warn {
  background: #fef3c7;
  color: #92400e;
  font-size: .8rem;
  padding: .5rem 1.25rem;
  font-weight: 500;
}
.config-warn.hidden { display: none; }

/* ── Layout ── */
main {
  padding: 1rem;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Card ── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 1px 4px rgba(0,0,0,.07);
}

.card-title {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 1rem;
}

/* ── Form fields ── */
.field { margin-bottom: .875rem; }
.field:last-child { margin-bottom: 0; }

label {
  display: block;
  font-size: .875rem;
  font-weight: 500;
  margin-bottom: .375rem;
}

.req { color: var(--danger); }
.opt { color: var(--muted); font-weight: 400; font-size: .78rem; }

select, input[type="text"] {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  color: var(--text);
  background: #fff;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .15s;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

select:focus, input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
}

select:disabled {
  background-color: #f9fafb;
  color: var(--muted);
  cursor: not-allowed;
}

.new-row {
  display: flex;
  gap: .5rem;
  margin-top: .5rem;
}
.new-row.hidden { display: none; }
.new-row input { flex: 1; }

.btn-ok  { padding: .75rem .9rem; border: none; border-radius: 8px; background: var(--success); color: #fff; font-size: 1.1rem; cursor: pointer; min-width: 44px; }
.btn-no  { padding: .75rem .9rem; border: none; border-radius: 8px; background: var(--border); color: var(--text); font-size: 1.1rem; cursor: pointer; min-width: 44px; }

/* ── Action buttons ── */
.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: 1.5rem 1rem;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.action-btn:active { transform: scale(.96); }
.action-btn .icon { font-size: 2.2rem; line-height: 1; }

.action-btn.recording {
  background: var(--danger);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .75; }
}

.action-btn:disabled {
  background: #9ca3af;
  cursor: not-allowed;
  transform: none;
}

/* ── Status ── */
#status-msg {
  padding: .875rem 1rem;
  border-radius: 8px;
  font-size: .875rem;
  font-weight: 500;
}
#status-msg.hidden { display: none; }
#status-msg.success { background: #dcfce7; color: var(--success); }
#status-msg.error   { background: #fee2e2; color: var(--danger); }
#status-msg.info    { background: #dbeafe; color: var(--primary); }

/* ── Upload list ── */
.upload-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1rem;
  background: var(--card);
  border-radius: 8px;
  margin-top: .5rem;
  font-size: .8rem;
  color: var(--muted);
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.upload-item .uname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload-item .ustatus { flex-shrink: 0; font-weight: 500; }
.ustatus.ok  { color: var(--success); }
.ustatus.err { color: var(--danger); }