:root {
  --bg: #0d0f14; --card: #151922; --line: #232834; --text: #f2f4f8; --dim: #949cae;
  --accent: #f5b820; --ok: #3ccf8e; --err: #ff4d6d; --info: #5ec8ff;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif; }
body { padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom); }
.is-hidden { display: none !important; }

.screen { max-width: 640px; margin: 0 auto; padding: 0 16px 80px; }
.logo { font-size: 24px; font-weight: 800; text-align: center; margin: 48px 0 20px; }
.logo.small { font-size: 17px; margin: 0; text-align: left; }
.top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0 8px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin: 10px 0; }
label { display: block; font-size: 13px; color: var(--dim); margin: 10px 0 0; }
input, textarea, select {
  width: 100%; margin-top: 4px; background: #0b0d12; color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px; font: inherit; font-size: 15px;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }

.btn { border: 1px solid var(--line); background: #1c2130; color: var(--text); border-radius: 10px; padding: 10px 14px; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; text-align: center; }
.btn.primary { background: var(--accent); color: #0d0f14; border-color: var(--accent); }
.btn.danger { color: var(--err); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; }
form .btn { margin-top: 14px; width: 100%; }

.tabs { display: flex; gap: 6px; position: sticky; top: 0; background: var(--bg); padding: 8px 0; z-index: 2; }
.tab { flex: 1; border: 1px solid var(--line); background: transparent; color: var(--dim); border-radius: 10px; padding: 9px 0; font: inherit; font-weight: 700; }
.tab.is-active { color: #0d0f14; background: var(--accent); border-color: var(--accent); }

.day { margin: 18px 0 6px; font-weight: 800; color: var(--dim); font-size: 13px; }
.post { display: flex; gap: 10px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px; margin: 8px 0; cursor: pointer; }
.post .time { font-weight: 800; min-width: 46px; }
.post .body { flex: 1; min-width: 0; }
.post .who { font-size: 13px; color: var(--dim); }
.post .text { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; white-space: pre-line; }
.post .err { color: var(--err); font-size: 12px; margin-top: 4px; }

.chip { display: inline-block; font-size: 11px; font-weight: 800; border-radius: 999px; padding: 2px 8px; margin-left: 4px; }
.chip.draft { background: #2a3040; color: var(--dim); }
.chip.preparing { background: rgba(94,200,255,.15); color: var(--info); }
.chip.scheduled { background: rgba(245,184,32,.15); color: var(--accent); }
.chip.publishing { background: rgba(94,200,255,.15); color: var(--info); }
.chip.published { background: rgba(60,207,142,.15); color: var(--ok); }
.chip.failed { background: rgba(255,77,109,.15); color: var(--err); }

.empty { color: var(--dim); text-align: center; padding: 40px 0; }
.msg { min-height: 1.2em; font-size: 13px; margin: 8px 0 0; }
.msg.ok { color: var(--ok); } .msg.err { color: var(--err); }
.hint { color: var(--dim); font-size: 12px; }

.acct { display: flex; align-items: center; gap: 8px; }
.acct .name { flex: 1; font-weight: 800; }

.sheet { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 10; display: flex; align-items: flex-end; justify-content: center; }
.sheetBody { width: 100%; max-width: 640px; max-height: 92vh; overflow: auto; background: var(--bg); border-top-left-radius: 18px; border-top-right-radius: 18px; border: 1px solid var(--line); padding: 14px 16px calc(20px + env(safe-area-inset-bottom)); }
.sheetHead { display: flex; justify-content: space-between; align-items: center; }
.row { display: flex; gap: 8px; margin-top: 10px; }
.row .grow { flex: 1; }
.mediaRow { display: flex; gap: 6px; overflow-x: auto; margin-top: 10px; }
.mediaRow img, .mediaRow video { height: 96px; border-radius: 8px; border: 1px solid var(--line); }