:root {
  --bg: #101114;
  --panel: #181a1f;
  --line: #2a2d35;
  --fg: #f2f4f8;
  --muted: #9aa3b2;
  --accent: #f08a3c;
  --ok: #61d394;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); }
.shell { width: min(1120px, calc(100% - 32px)); margin: 28px auto 60px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.eyebrow { margin: 0 0 4px; color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
h1, h2 { margin: 0; }
h1 { font-size: 30px; }
h2 { font-size: 18px; margin-bottom: 16px; }
a { color: var(--fg); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.login-panel { max-width: 520px; }
.hidden { display: none; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
button, input, textarea, select { font: inherit; }
button { border: 1px solid var(--line); background: #22252d; color: var(--fg); border-radius: 6px; padding: 9px 13px; cursor: pointer; }
button:hover, button.active { border-color: var(--accent); color: #fff; }
input, textarea, select { width: 100%; border: 1px solid var(--line); background: #0f1116; color: var(--fg); border-radius: 6px; padding: 10px 11px; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
.grid { display: grid; gap: 12px; }
.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tab { display: none; }
.tab.active { display: block; }
.stack { display: grid; gap: 10px; margin-bottom: 12px; }
.row { display: grid; grid-template-columns: 1fr 1.5fr auto; gap: 8px; align-items: end; }
.project-row { grid-template-columns: 1fr 1.5fr 1fr 1fr auto; }
.post-grid { grid-template-columns: 280px 1fr; align-items: start; }
.list { display: grid; gap: 8px; }
.list button { text-align: left; }
.editor { display: grid; gap: 10px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.templates { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
.preview { border: 1px solid var(--line); border-radius: 8px; min-height: 140px; padding: 18px; display: grid; place-items: center; background: #0b0c10; color: var(--accent); margin-bottom: 14px; }
.preview.minimal { background: #f7f7f4; color: #111; }
.preview.cyber { background: linear-gradient(135deg, #041822, #18041c); color: #00e0ff; border-color: #00e0ff; }
.message { min-height: 22px; color: var(--ok); }
@media (max-width: 780px) {
  .two, .post-grid, .row, .project-row, .templates { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; }
}
.upload-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}
@media (max-width: 780px) {
  .upload-box { grid-template-columns: 1fr; }
}