:root {
  --bg: #15161a;
  --panel: #1c1e24;
  --panel-2: #23262e;
  --border: #2c2f38;
  --text: #e9eaef;
  --muted: #9ea3b0;
  --accent: #7c5cff;
  --accent-2: #54e1c3;
  --danger: #ff5a5f;
  --ok: #4ade80;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0,0,0,0.35);
  font-family: Inter, "Segoe UI", system-ui, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body { min-height: 100vh; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #1a1c22, #15161a);
  position: sticky; top: 0; z-index: 50;
}
.brand strong { font-size: 18px; letter-spacing: 0.4px; }
.brand .tag { margin-left: 12px; color: var(--muted); font-size: 13px; }

.overlay-url { display: flex; flex-direction: column; gap: 6px; min-width: 460px; }
.overlay-url label { color: var(--muted); font-size: 12px; }
.url-row { display: flex; gap: 8px; }
.url-row input {
  flex: 1; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); padding: 8px 10px; border-radius: 8px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px;
}

.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s, transform 0.05s, border-color 0.15s;
}
.btn:hover { background: #2a2d36; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: rgba(255,90,95,0.1); }

.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  grid-template-areas:
    "preview settings"
    "socials settings";
  gap: 16px; padding: 16px;
}
.preview-panel { grid-area: preview; }
.settings-panel { grid-area: settings; }
.socials-panel { grid-area: socials; }
@media (max-width: 1200px) {
  .layout { grid-template-columns: 1fr; grid-template-areas: "preview" "settings" "socials"; }
  .overlay-url { min-width: 0; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border); background: #1a1d24;
}
.panel-head h2 { margin: 0; font-size: 15px; letter-spacing: 0.3px; color: var(--muted); text-transform: uppercase; }
.panel-head .actions, .panel-head .preview-controls { display: flex; gap: 8px; align-items: center; }
.inline { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); font-size: 13px; }
.inline input[type="color"] { background: none; border: 1px solid var(--border); width: 34px; height: 28px; border-radius: 6px; padding: 0; }

.preview-wrap {
  position: relative;
  padding: 0;
  height: 460px;
  background: var(--preview-bg, #1f1f24);
}
#preview { width: 100%; height: 100%; border: 0; background: var(--preview-bg, #1f1f24); }

#config-form.grid {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
#config-form fieldset {
  grid-column: span 2;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}
#config-form legend {
  padding: 0 8px; color: var(--accent-2); font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px;
}
#config-form label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12px; color: var(--muted);
}
#config-form label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); font-size: 13px; }
#config-form input[type="text"],
#config-form input[type="number"],
#config-form select {
  background: #161821; color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: 13px;
  font-family: inherit;
}
#config-form input[type="color"] {
  width: 60px; height: 34px; padding: 0; border: 1px solid var(--border); border-radius: 8px; background: none;
}
#config-form input:focus, #config-form select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.socials-list { padding: 16px; display: grid; gap: 10px; max-height: 50vh; overflow: auto; }
.social-row {
  display: grid;
  grid-template-columns: 24px 90px 160px 1fr 80px 1fr auto;
  gap: 10px; align-items: end;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px;
}
.social-row .grip { cursor: grab; color: var(--muted); user-select: none; font-size: 18px; display: flex; align-items: center; justify-content: center; }
.social-row label { display: flex; flex-direction: column; gap: 4px; font-size: 11px; color: var(--muted); }
.social-row label.check { flex-direction: row; align-items: center; color: var(--text); font-size: 13px; }
.social-row input[type="text"],
.social-row select {
  background: #161821; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 8px; font-size: 13px;
}
.social-row input[type="color"] { width: 56px; height: 30px; padding: 0; border: 1px solid var(--border); border-radius: 6px; background: none; }
.social-row.dragging { opacity: 0.6; }

.toast {
  position: fixed; bottom: 20px; right: 20px;
  background: #1d2a1d; color: var(--ok); border: 1px solid #2e4a30;
  padding: 12px 16px; border-radius: 10px; box-shadow: var(--shadow);
  font-size: 13px; z-index: 100;
}
.toast.error { background: #2a1a1c; color: var(--danger); border-color: #553035; }