/* 아미트레이더 무료 투자 도구 · 공통 (큰 글자 · 큰 버튼 · 높은 대비) */
:root {
  --bg: #f4f6fa; --card: #ffffff; --ink: #14202e; --sub: #4a5768; --line: #d5dbe5;
  --navy: #1e3a5f; --up: #d32f2f; --down: #1565c0; --ok: #2e7d32; --warn: #fff4b8; --naver: #03c75a;
  --r: 16px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { overflow-x: hidden; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 20px/1.6 "Pretendard", "Noto Sans KR", "맑은 고딕", "Apple SD Gothic Neo", sans-serif; word-break: keep-all; }
a { color: var(--down); }
.wrap { max-width: 780px; margin: 0 auto; padding: 0 16px 40px; }
header.top { background: var(--navy); color: #fff; }
header.top .wrap { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
header.top a { color: #fff; text-decoration: none; font-weight: 800; font-size: 22px; }
header.top .logo { background: #ffd500; color: var(--navy); border-radius: 10px; padding: 2px 10px; font-weight: 900; }
header.top .all { margin-left: auto; font-size: 18px; font-weight: 600; opacity: .9; }
h1 { font-size: 34px; line-height: 1.3; margin: 26px 0 8px; }
h2 { font-size: 26px; margin: 28px 0 10px; }
p.lead { color: var(--sub); margin: 0 0 18px; font-size: 21px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; margin: 14px 0; box-shadow: 0 2px 8px rgba(20, 32, 46, .05); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 64px; padding: 12px 22px; border: 0; border-radius: 14px; font: inherit; font-size: 22px; font-weight: 800; cursor: pointer; text-decoration: none; color: #fff; background: var(--navy); }
.btn:active { transform: translateY(1px); }
.btn.up { background: var(--up); } .btn.down { background: var(--down); } .btn.ok { background: var(--ok); }
.btn.ghost { background: #fff; color: var(--navy); border: 2px solid var(--navy); }
.btn.wide { width: 100%; }
.row { display: flex; gap: 12px; flex-wrap: wrap; } .row > * { flex: 1 1 200px; }
label { display: block; font-weight: 700; margin: 14px 0 6px; }
input, select { width: 100%; min-height: 60px; font: inherit; font-size: 24px; padding: 8px 14px; border: 2px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); }
input:focus, select:focus { outline: 3px solid #ffd500; border-color: var(--navy); }
.seg { display: flex; flex-wrap: wrap; gap: 8px; }
.seg button { flex: 1 1 140px; min-height: 58px; font: inherit; font-size: 20px; font-weight: 700; border-radius: 12px; border: 2px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
.seg button.on { border-color: var(--navy); background: var(--navy); color: #fff; }
.big { font-size: 44px; font-weight: 900; line-height: 1.2; }
.plus { color: var(--up); } .minus { color: var(--down); }
.note { color: var(--sub); font-size: 17px; }
.steps { background: var(--warn); border-radius: 12px; padding: 12px 16px; font-size: 20px; }
table.t { width: 100%; border-collapse: collapse; font-size: 19px; background: #fff; }
table.t th, table.t td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; }
table.t th { background: #eef2f8; }
.cafe { display: block; margin: 30px 0 10px; padding: 22px; border-radius: var(--r); background: var(--naver); color: #fff; text-decoration: none; text-align: center; }
.cafe b { display: block; font-size: 26px; }
.cafe span { font-size: 18px; opacity: .95; }
.cafe .n { display: inline-block; background: #fff; color: var(--naver); border-radius: 6px; font-weight: 900; padding: 0 8px; margin-right: 6px; }
footer.bot { color: var(--sub); font-size: 16px; text-align: center; padding: 10px 16px 30px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(160px, 100%), 1fr)); gap: 14px; }
.tool { display: block; background: #fff; border: 2px solid var(--line); border-radius: var(--r); padding: 18px; text-decoration: none; color: var(--ink); }
.tool:hover { border-color: var(--navy); }
.tool .ic { font-size: 40px; } .tool b { display: block; font-size: 23px; margin: 6px 0 2px; } .tool span { color: var(--sub); font-size: 17px; }
.tool .tag { display: inline-block; background: #ffd500; color: var(--navy); font-size: 14px; font-weight: 800; border-radius: 6px; padding: 0 6px; margin-left: 4px; vertical-align: middle; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 14px 22px; border-radius: 12px; font-size: 19px; z-index: 9; display: none; }
@media (max-width: 520px) { body { font-size: 19px; } h1 { font-size: 29px; } .big { font-size: 36px; } }
.seg button.buy.on { background: var(--up); border-color: var(--up); color: #fff !important; }
.seg button.sell.on { background: var(--down); border-color: var(--down); color: #fff !important; }