/* ธีมสี: เปลี่ยนสีทั้งเว็บได้ที่ชุดตัวแปรด้านล่าง
   ค่าเริ่มต้น = retro (ครีม-เขียวเข้ม) ; night = กรมท่าเข้ม ; snow = สว่าง ขาว-ฟ้า
   ลองธีมอื่นด้วย  ...index.html?theme=night  หรือ  ?theme=snow  (จำค่าไว้ในเบราว์เซอร์) ; ?theme=retro กลับค่าเริ่มต้น */
:root {
  --radius: 12px;
  --font: "Sarabun", "Noto Sans Thai", "Tahoma", system-ui, sans-serif;
  --mono: "Consolas", "Courier New", monospace;
}
:root[data-theme="night"] {
  --bg: #0e1120;
  --bg2: #151a31;
  --paper: #1b2140;
  --paper2: #242c52;
  --ink: #e9edff;
  --muted: #9aa5d0;
  --accent: #ff6b3d;
  --accent-ink: #1b0a04;
  --accent2: #4cc9f0;
  --warn: #f2b134;
  --bad: #ff8a80;
  --ok: #62d98f;
  --line: #34406f;
  --head-ink: #ffffff;
  --head-muted: #8d99c7;
  --rom-bg: #14301f;
  --rom-line: #2f7a4b;
  --pill-bg: #2c3560;
  --pill-ink: #cfd7ff;
  --pill-ok-bg: #17432a;
  --pill-ok-ink: #8ff0b4;
  --pill-bad-bg: #4a1d22;
  --pill-bad-ink: #ffb4ab;
  --alert-bg: #3b1a1f;
  --alert-line: #8c3a43;
  --alert-ink: #ffd2cd;
  --drop-hover: #2d3763;
  --log-bg: #080a15;
  --log-ink: #a5ecc4;
  --shadow: 0 4px 0 rgba(0,0,0,.45);
}
:root[data-theme="snow"] {
  --bg: #eef1f8;
  --bg2: #e3e8f4;
  --paper: #ffffff;
  --paper2: #f3f6fd;
  --ink: #1d2540;
  --muted: #62709a;
  --accent: #e0431c;
  --accent-ink: #ffffff;
  --accent2: #1c7ed6;
  --warn: #c77d00;
  --bad: #c62828;
  --ok: #2e7d32;
  --line: #d3dbef;
  --head-ink: #1d2540;
  --head-muted: #62709a;
  --rom-bg: #eaf6ee;
  --rom-line: #9fd0b0;
  --pill-bg: #e5eafa;
  --pill-ink: #34406f;
  --pill-ok-bg: #d8f0df;
  --pill-ok-ink: #1d5a2c;
  --pill-bad-bg: #fbdcd8;
  --pill-bad-ink: #a12018;
  --alert-bg: #fdecea;
  --alert-line: #f0b4ad;
  --alert-ink: #6a1b14;
  --drop-hover: #ffffff;
  --log-bg: #141a2e;
  --log-ink: #a5ecc4;
  --shadow: 0 3px 0 rgba(30,45,90,.12);
}
:root, :root[data-theme="retro"] {
  --bg: #1c1812;
  --bg2: #26201a;
  --paper: #f6e7c4;
  --paper2: #fff4da;
  --ink: #2b2415;
  --muted: #7a6a48;
  --accent: #3e6b3a;
  --accent-ink: #f6fbe9;
  --accent2: #b45309;
  --warn: #b45309;
  --bad: #b3261e;
  --ok: #2f7d32;
  --line: #d6bf8a;
  --head-ink: #f6e7c4;
  --head-muted: #b9a77c;
  --rom-bg: #e6f1dc;
  --rom-line: #9bbd86;
  --pill-bg: #e3cf9d;
  --pill-ink: #2b2415;
  --pill-ok-bg: #cfe8c3;
  --pill-ok-ink: #1d5a22;
  --pill-bad-bg: #f5cdc9;
  --pill-bad-ink: #b3261e;
  --alert-bg: #fbe3df;
  --alert-line: #e5a59d;
  --alert-ink: #6a1b14;
  --drop-hover: #ffffff;
  --log-bg: #11170f;
  --log-ink: #cfe8b5;
  --shadow: 0 3px 0 rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; font-family: var(--font); color: var(--ink); line-height: 1.55; min-height: 100vh;
  background: radial-gradient(1100px 420px at 50% -120px, var(--bg2), var(--bg) 70%) no-repeat, var(--bg);
}
a { color: inherit; }

.top { max-width: 760px; margin: 0 auto; padding: 20px 16px 6px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.brand { font-weight: 800; font-size: 1.4rem; color: var(--head-ink); text-decoration: none; letter-spacing: .5px; }
.brand::before { content: ""; display: inline-block; width: .7em; height: .7em; margin-right: .45em; border-radius: 2px; background: var(--accent); box-shadow: .35em .35em 0 var(--accent2); transform: translateY(.02em); }
.top .tag { color: var(--head-muted); font-size: .9rem; }

.wrap { max-width: 760px; margin: 0 auto; padding: 8px 16px 40px; }
.foot { max-width: 760px; margin: 0 auto; padding: 8px 16px 40px; color: var(--head-muted); font-size: .85rem; text-align: center; }
.muted { color: var(--muted); }
.foot .muted { color: var(--head-muted); opacity: .8; }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 14px 0; box-shadow: var(--shadow); }
.card h2, .card h3 { margin: 0 0 8px; }
.card h2 { font-size: 1.2rem; }
.card ul { margin: 6px 0 6px 1.1rem; padding: 0; }
.card li { margin: 2px 0; }

/* ตัวกรองคอนโซล */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.tab { border: 1px solid var(--line); background: var(--paper); color: var(--ink); padding: 6px 14px; border-radius: 999px; cursor: pointer; font: inherit; font-weight: 700; }
.tab:hover { border-color: var(--accent); }
.tab[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* การ์ดเกม */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.game { display: block; text-decoration: none; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .08s, border-color .08s; }
.game:hover, .game:focus-visible { transform: translateY(-2px); border-color: var(--accent); outline: 2px solid var(--accent); outline-offset: 0; }
.game img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: center 35%; background: #000; }
.game .meta { padding: 10px 12px 12px; }
.game .name { font-weight: 800; }
.game .sub { color: var(--muted); font-size: .85rem; }
.badge { display: inline-block; font-size: .72rem; font-weight: 800; padding: 1px 8px; border-radius: 6px; background: var(--accent2); color: #06121a; margin-right: 6px; vertical-align: middle; }
:root:not([data-theme="night"]) .badge { color: #fff; }
:root:not([data-theme="night"]):not([data-theme="snow"]) .badge { background: var(--accent); }
:root[data-theme="retro"] .badge { background: var(--accent); }
.badge.alpha { background: var(--warn); color: #1b1200; }

/* หน้ารายละเอียด */
.hero { display: block; width: 100%; max-width: 380px; margin: 10px auto 0; border-radius: var(--radius); border: 1px solid var(--line); background: #000; box-shadow: var(--shadow); }
.back { display: inline-block; margin: 6px 0 0; color: var(--head-ink); text-decoration: none; font-weight: 700; }
.back:hover { color: var(--accent); }
.title { font-size: 1.4rem; font-weight: 800; margin: 2px 0; }
.status { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.rom-ok { background: var(--rom-bg); border: 1px dashed var(--rom-line); border-radius: 10px; padding: 10px 12px; margin-top: 10px; }
.rom-ok b { display: block; }
code, .mono { font-family: var(--mono); font-size: .85em; word-break: break-all; }

.step { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.num { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: var(--accent); color: var(--accent-ink); font-weight: 800; }
.pill { margin-left: auto; font-size: .8rem; padding: 2px 10px; border-radius: 999px; background: var(--pill-bg); color: var(--pill-ink); }
.pill.ok { background: var(--pill-ok-bg); color: var(--pill-ok-ink); }
.pill.bad { background: var(--pill-bad-bg); color: var(--pill-bad-ink); }

.drop { display: flex; align-items: center; gap: 12px; padding: 14px; border: 2px dashed var(--line); border-radius: 12px; background: var(--paper2); cursor: pointer; width: 100%; font: inherit; color: inherit; text-align: left; }
.drop:hover, .drop.over, .drop:focus-visible { border-color: var(--accent); outline: none; background: var(--drop-hover); }
.drop .ico { font-size: 1.8rem; }
.drop small { color: var(--muted); display: block; }

.btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.btn { flex: 1 1 200px; padding: 12px 16px; font: inherit; font-weight: 800; border-radius: 10px; border: 2px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer; }
.btn.alt { background: transparent; color: var(--accent); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn:not(:disabled):hover { filter: brightness(1.1); }

.log { background: var(--log-bg); color: var(--log-ink); border-radius: 10px; padding: 10px 12px; font-family: var(--mono); font-size: .82rem; margin-top: 12px; max-height: 260px; overflow: auto; border: 1px solid var(--line); }
.log .head { color: #7f93a8; font-size: .72rem; letter-spacing: 1px; margin-bottom: 6px; }
.log .ln { white-space: pre-wrap; word-break: break-word; }
.log .ln.ok { color: #9be58a; }
.log .ln.bad { color: #ff9d94; }
.log .ln.warn { color: #ffd37a; }

.alert { border-radius: 10px; padding: 10px 12px; margin-top: 10px; background: var(--alert-bg); border: 1px solid var(--alert-line); color: var(--alert-ink); }
details summary { cursor: pointer; font-weight: 700; }
.small { font-size: .85rem; }

@media (max-width: 480px) { .btn { flex-basis: 100%; } }