:root {
  --bg: #f6f4ef; --card: #ffffff; --ink: #1f2430; --muted: #6b7280; --line: #e4e0d6;
  --accent: #3b6e5a; --accent-ink: #ffffff; --warn: #b4443a; --star: #e0a21b;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171c; --card: #1d2128; --ink: #e8e8ea; --muted: #9aa0ab; --line: #2c313b; --accent: #5fa68a; --accent-ink: #0f1a15; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, textarea, select { font: inherit; color: inherit; }
.hidden { display: none !important; }

/* ---------- Public form ---------- */
.wrap { min-height: 100dvh; display: grid; place-items: center; padding: 24px 16px; }
.form-card { width: 100%; max-width: 560px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: 0 6px 30px rgba(0,0,0,.06); }
.form-card h1 { margin: 0 0 14px; font-size: 1.5rem; }
textarea#thought { width: 100%; min-height: 130px; resize: vertical; padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
textarea#thought:focus, input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.row { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; gap: 12px; }
.hint { color: var(--muted); font-size: .85rem; }
.btn { background: var(--accent); color: var(--accent-ink); border: 0; padding: 10px 22px; border-radius: 10px; font-weight: 600; cursor: pointer; }
.btn:disabled { opacity: .6; cursor: default; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); font-weight: 500; padding: 7px 14px; }
.toast { position: fixed; left: 50%; top: 24px; transform: translate(-50%, -20px); background: var(--accent); color: var(--accent-ink); padding: 14px 22px; border-radius: 12px; font-weight: 600; box-shadow: 0 8px 28px rgba(0,0,0,.25); opacity: 0; pointer-events: none; transition: opacity .35s, transform .35s; max-width: calc(100vw - 32px); text-align: center; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: var(--warn); color: #fff; }
.trap { position: absolute; left: -9999px; height: 0; width: 0; overflow: hidden; }

/* ---------- Admin ---------- */
.login-card { width: 100%; max-width: 360px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
.login-card h1 { margin: 0 0 16px; font-size: 1.3rem; }
.login-card label { display: block; font-size: .85rem; color: var(--muted); margin: 12px 0 4px; }
.login-card input { width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); }
.login-card .btn { width: 100%; margin-top: 18px; }
.err { color: var(--warn); font-size: .9rem; min-height: 1.2em; margin-top: 10px; }

.top { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--card); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.top h1 { font-size: 1.15rem; margin: 0; margin-right: auto; }
.stats { display: flex; gap: 10px; padding: 16px 20px 0; flex-wrap: wrap; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 16px; min-width: 110px; }
.stat b { display: block; font-size: 1.4rem; }
.stat span { color: var(--muted); font-size: .8rem; }
.toolbar { display: flex; gap: 10px; padding: 14px 20px; flex-wrap: wrap; align-items: center; }
.toolbar input[type=search], .toolbar select { padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
.toolbar input[type=search] { flex: 1; min-width: 180px; }
.toolbar label { display: flex; align-items: center; gap: 6px; font-size: .9rem; }
.themes { padding: 0 20px 6px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 3px 11px; font-size: .85rem; cursor: pointer; }
.chip small { color: var(--muted); }
.chip:hover { border-color: var(--accent); }
.table-wrap { padding: 0 20px 40px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--bg); }
td.ts { white-space: nowrap; color: var(--muted); font-size: .88rem; }
td.thought { width: 100%; white-space: pre-wrap; word-break: break-word; }
tr.is-new td.thought { font-weight: 600; }
tr.is-archived td { opacity: .55; }
tr.fresh { animation: flash 2.5s ease-out; }
@keyframes flash { from { background: color-mix(in srgb, var(--accent) 25%, transparent); } to { background: transparent; } }
td.act { white-space: nowrap; }
.icon { border: 0; background: transparent; cursor: pointer; font-size: 1.05rem; padding: 2px 6px; border-radius: 6px; color: var(--muted); }
.icon:hover { background: var(--bg); color: var(--ink); }
.icon.on { color: var(--star); }
.tag { font-size: .75rem; border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; color: var(--muted); }
.empty { text-align: center; padding: 40px; color: var(--muted); }