:root {
  --bg: #0f1115;
  --bg-alt: #171a21;
  --border: #262b36;
  --text: #e6e8ec;
  --text-dim: #8b91a0;
  --accent: #6d8dff;
  --accent-hover: #86a1ff;
  --danger: #ef5f6c;
  --success: #4fd08a;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.topbar-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}
.brand-icon { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 0.92rem; }
.nav-links a:hover { color: var(--text); }
.nav-user { color: var(--accent); font-size: 0.9rem; }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 20px;
  flex: 1;
  width: 100%;
}

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card-narrow { max-width: 420px; margin: 0 auto; }
.center { text-align: center; }

.tabs { display: flex; gap: 4px; margin-bottom: 16px; }
.tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-disabled { opacity: 0.5; cursor: not-allowed; }
.lock { font-size: 0.75rem; }

.tab-panel.hidden { display: none; }

.row { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.options-row { margin-top: 16px; }

.input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.9rem;
  flex: 1;
}
.select-lang { max-width: 180px; flex: none; }

.textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 14px;
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
  font-size: 0.88rem;
  resize: vertical;
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.dragover { border-color: var(--accent); background: rgba(109,141,255,0.06); }
.dz-text { color: var(--text-dim); margin: 0; }
.hidden-input { display: none; }
.preview { max-width: 100%; max-height: 320px; border-radius: 8px; margin-top: 14px; }
.hidden { display: none; }

.opt-label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--text-dim); }
.checkbox-label { display: flex; align-items: center; gap: 6px; font-size: 0.88rem; color: var(--text-dim); }
.field-label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 14px; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  margin-top: 14px;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.85rem;
  display: inline-block;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
  padding: 9px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.88rem;
}
.btn-danger-sm { background: var(--danger); color: #fff; border: none; padding: 5px 10px; border-radius: 6px; cursor: pointer; font-size: 0.78rem; }

.hint { color: var(--text-dim); font-size: 0.85rem; margin-top: 12px; }
.hint a { color: var(--accent); }

.flash-wrap { margin-bottom: 18px; }
.flash { padding: 10px 14px; border-radius: 8px; font-size: 0.88rem; margin-bottom: 8px; }
.flash-error { background: rgba(239,95,108,0.12); color: var(--danger); border: 1px solid rgba(239,95,108,0.3); }
.flash-success { background: rgba(79,208,138,0.12); color: var(--success); border: 1px solid rgba(79,208,138,0.3); }
.flash-info { background: rgba(109,141,255,0.1); color: var(--accent); border: 1px solid rgba(109,141,255,0.3); }
.flash-info code { background: var(--bg); padding: 2px 6px; border-radius: 4px; word-break: break-all; }

.view-header { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.view-header h2 { margin: 0; }
.meta { color: var(--text-dim); font-size: 0.8rem; display: flex; gap: 14px; flex-wrap: wrap; }

.toolbar { display: flex; gap: 8px; margin-bottom: 10px; }

.code-block { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 16px; overflow-x: auto; }
.code-block code { font-family: "SF Mono", "Fira Code", Consolas, monospace; font-size: 0.85rem; }

.image-view { text-align: center; }
.image-view img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.image-view .btn-ghost { margin-top: 14px; }

.delete-zone { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }

.table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.table th, .table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 0.87rem; }
.table th { color: var(--text-dim); font-weight: 500; }
.table a { color: var(--accent); text-decoration: none; }

h2, h3 { margin-top: 0; }
h3 { font-size: 1rem; color: var(--text-dim); margin-top: 26px; }

.footer { text-align: center; color: var(--text-dim); font-size: 0.78rem; padding: 20px; }

@media (max-width: 600px) {
  .row { flex-direction: column; align-items: stretch; }
  .select-lang { max-width: none; }
}