/* Built for older volunteers on phones: large type, high contrast, big targets. */
:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #16232c;
  --muted: #5b6b77;
  --brand: #1d4e6f;
  --brand-ink: #ffffff;
  --line: #d8e0e6;
  --warn-bg: #fff5e6;
  --warn-line: #e0a24a;
  --danger: #a3271f;
  --ok: #1d6f43;
  --radius: 14px;
  --tap: 52px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12191f;
    --card: #1b242c;
    --ink: #eef3f6;
    --muted: #9fb0bd;
    --brand: #4d92bd;
    --brand-ink: #08121a;
    --line: #2c3944;
    --warn-bg: #34291a;
    --warn-line: #b5822f;
    --danger: #e88b83;
    --ok: #6ec394;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Arial Hebrew", Arial, system-ui, sans-serif;
  font-size: 18px;
  line-height: 1.6;
}

.screen { height: 100dvh; display: flex; flex-direction: column; }

/* ---------- login ---------- */

#login { align-items: center; justify-content: center; padding: 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  width: min(440px, 100%);
}

.card h1 { margin: 0; font-size: 28px; }
.sub { margin: 4px 0 24px; color: var(--muted); }
.hint { margin: 6px 0 0; color: var(--muted); font-size: 15px; }

label { display: block; margin: 18px 0 6px; font-weight: 600; }

input, textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 10px;
}

input:focus, textarea:focus {
  outline: 3px solid var(--brand);
  outline-offset: 1px;
  border-color: var(--brand);
}

button {
  font: inherit;
  min-height: var(--tap);
  border-radius: 10px;
  cursor: pointer;
  border: 2px solid transparent;
}

.primary {
  width: 100%;
  margin-top: 24px;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 700;
  border: none;
}

.primary:disabled { opacity: 0.55; cursor: default; }

.ghost {
  background: transparent;
  color: var(--muted);
  border: 2px solid var(--line);
  min-height: 40px;
  padding: 0 12px;
  font-size: 15px;
}

.error { color: var(--danger); font-weight: 600; margin-top: 14px; }

/* ---------- chat ---------- */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.who { color: var(--muted); font-size: 15px; margin-inline-start: 8px; }
.header-actions { display: flex; gap: 8px; }

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.msg {
  max-width: 90%;
  padding: 14px 16px;
  border-radius: var(--radius);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.msg p:first-child { margin-top: 0; }
.msg p:last-child { margin-bottom: 0; }

.msg.me {
  align-self: flex-start;
  background: var(--brand);
  color: var(--brand-ink);
}

.msg.bot {
  align-self: flex-end;
  background: var(--card);
  border: 1px solid var(--line);
}

.msg table {
  border-collapse: collapse;
  width: 100%;
  margin: 8px 0;
  font-size: 16px;
}

.msg th, .msg td {
  border: 1px solid var(--line);
  padding: 6px 8px;
  text-align: right;
}

/* Wide tables scroll inside the bubble instead of the page. */
.table-scroll { overflow-x: auto; }

.examples { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }

.example {
  background: transparent;
  border: 2px dashed var(--line);
  color: var(--brand);
  text-align: right;
  padding: 10px 12px;
  min-height: 44px;
}

.status {
  align-self: flex-end;
  color: var(--muted);
  font-size: 15px;
  font-style: italic;
}

/* ---------- confirm card ---------- */

.proposal {
  align-self: flex-end;
  width: 90%;
  background: var(--card);
  border: 2px solid var(--brand);
  border-radius: var(--radius);
  padding: 16px;
}

.proposal h3 { margin: 0 0 10px; font-size: 19px; }
.proposal ul { margin: 0; padding-inline-start: 20px; }
.proposal li { margin-bottom: 4px; }

.proposal .warn {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 10px;
  font-weight: 600;
}

.proposal .count { color: var(--muted); font-size: 15px; margin-top: 8px; }

.proposal .buttons { display: flex; gap: 10px; margin-top: 16px; }
.proposal .buttons button { flex: 1; margin: 0; }

.confirm { background: var(--ok); color: #fff; border: none; font-weight: 700; }
.cancel { background: transparent; border: 2px solid var(--line); color: var(--ink); }

.resolved { font-weight: 600; margin-top: 12px; }
.resolved.ok { color: var(--ok); }
.resolved.bad { color: var(--danger); }

/* ---------- composer ---------- */

.composer {
  display: flex;
  gap: 10px;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: var(--card);
  border-top: 1px solid var(--line);
}

.composer textarea { resize: none; max-height: 140px; }

.composer .send {
  width: auto;
  margin: 0;
  padding: 0 22px;
  flex-shrink: 0;
}