*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #1a1a1a;
  --bg2: #242424;
  --bg3: #2e2e2e;
  --border: #3a3a3a;
  --text: #e0e0e0;
  --text-dim: #888;
  --accent: #4a9eff;
  --danger: #e05555;
  --success: #4acd7f;
  --sidebar-w: 260px;
}

html, body { height: 100%; font: 14px/1.4 'Menlo', 'Consolas', monospace; background: var(--bg); color: var(--text); }

.hidden { display: none !important; }
.error { color: var(--danger); font-size: 12px; min-height: 18px; }

/* --- Login --- */
#login-screen {
  display: flex; align-items: center; justify-content: center; height: 100vh;
  background: var(--bg);
}
.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 10px;
  padding: 40px 40px 32px;
  width: 100%; max-width: 340px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.45);
}
.login-box h1 { font-size: 20px; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 28px; color: var(--accent); }
.login-box input {
  display: block; width: 100%; padding: 9px 12px; margin-bottom: 12px;
  background: var(--bg3); border: 1px solid var(--border); border-radius: 5px;
  color: var(--text); font: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74,158,255,0.15); }
.login-box button {
  width: 100%; padding: 10px; background: var(--accent); border: none;
  border-radius: 5px; color: #fff; font: inherit; font-weight: 600;
  cursor: pointer; margin-top: 4px; margin-bottom: 12px;
  transition: filter 0.15s, transform 0.1s, box-shadow 0.15s;
}
.login-box button:hover { filter: brightness(1.12); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(74,158,255,0.3); }
.login-box button:active { transform: translateY(0); filter: brightness(1.0); }

/* --- App layout --- */
#app { display: flex; height: 100vh; overflow: hidden; }

/* --- Sidebar --- */
#sidebar {
  width: var(--sidebar-w); min-width: var(--sidebar-w);
  background: var(--bg2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
}
#sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px 10px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
#sidebar-title { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: 0.3px; }
.icon-btn {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 3px;
  color: var(--text); cursor: pointer; padding: 3px 5px;
  display: flex; align-items: center; justify-content: center;
}
.icon-btn .codicon { font-size: 15px; line-height: 1; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

/* --- Step list --- */
#step-list { flex: 1; overflow-y: auto; padding: 8px 0; }

.step-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px; cursor: pointer; user-select: none;
}
.step-item:hover { background: var(--bg3); }
.step-item.active { background: var(--bg3); }
.step-item.active .step-label { color: var(--accent); }

.step-num {
  width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--text-dim); flex-shrink: 0; font-weight: 600;
  transition: all 0.15s;
}
.step-item.active .step-num { border-color: var(--accent); color: var(--accent); }
.step-item.done .step-num { background: var(--success); border-color: var(--success); color: #fff; }
.step-item.error .step-num { background: var(--danger); border-color: var(--danger); color: #fff; }
.step-item.running .step-num { border-color: var(--accent); color: var(--accent); animation: spin 1s linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }

.step-label { font-size: 13px; color: var(--text-dim); }
.step-item.done .step-label { color: var(--text); }
.step-item.active .step-label { color: var(--accent); }
.step-item.error .step-label { color: var(--danger); }

#sidebar-footer { padding: 10px 14px; border-top: 1px solid var(--border); flex-shrink: 0; }

.btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; font: 12px/1 monospace; cursor: pointer;
  border-radius: 4px; border: 1px solid var(--border); white-space: nowrap;
  transition: filter 0.12s, transform 0.08s, box-shadow 0.12s;
}
.btn .codicon { font-size: 13px; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.12); transform: translateY(-1px); box-shadow: 0 3px 10px rgba(74,158,255,0.3); }
.btn.primary:active { transform: translateY(0); }
.btn.secondary { background: var(--bg3); color: var(--text); }
.btn.secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.danger:hover { filter: brightness(1.1); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; filter: none !important; }
.btn-full { width: 100%; justify-content: center; padding: 8px 12px; font-size: 13px; }

/* --- Main area --- */
#main-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

/* --- Top bar --- */
#topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; height: 40px; border-bottom: 1px solid var(--border);
  background: var(--bg2); flex-shrink: 0;
}
#topbar-title { font-size: 12px; color: var(--text-dim); }
#topbar-actions { display: flex; gap: 6px; }

/* --- Content area --- */
#content-area { flex: 1; overflow-y: auto; padding: 24px; }

/* --- Intake form --- */
#intake-pane h2 { font-size: 16px; color: var(--text); margin-bottom: 4px; }
#intake-pane .pane-desc { font-size: 12px; color: var(--text-dim); margin-bottom: 20px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; max-width: 640px; margin-bottom: 20px; }
.form-grid.full { grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.6px; }
.field input, .field textarea {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 4px;
  color: var(--text); font: inherit; font-size: 13px; padding: 7px 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74,158,255,0.12);
}
.field textarea { resize: vertical; min-height: 60px; }

.section-heading {
  font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.6px;
  margin-bottom: 10px; margin-top: 20px;
}

/* --- Env vars table --- */
#env-rows { display: flex; flex-direction: column; gap: 6px; max-width: 640px; margin-bottom: 10px; }
.env-row { display: grid; grid-template-columns: 1fr 1fr 28px; gap: 6px; align-items: center; }
.env-row input {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 4px;
  color: var(--text); font: inherit; font-size: 12px; padding: 5px 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.env-row input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(74,158,255,0.12); }
.env-row-remove {
  background: none; border: none; color: var(--text-dim); cursor: pointer;
  font-size: 16px; line-height: 1; padding: 2px 4px; border-radius: 3px;
}
.env-row-remove:hover { color: var(--danger); background: var(--bg3); }

/* --- Step pane --- */
#step-pane { max-width: 700px; }
.step-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.step-header .step-icon { font-size: 22px; color: var(--accent); }
.step-header h2 { font-size: 16px; color: var(--text); }
.step-desc { font-size: 13px; color: var(--text-dim); margin-bottom: 18px; line-height: 1.6; }

/* --- Command block --- */
.cmd-block { margin-bottom: 16px; }
.cmd-block-header {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg2); border: 1px solid var(--border); border-bottom: none;
  border-radius: 4px 4px 0 0; padding: 5px 10px;
}
.cmd-block-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.copy-btn {
  background: none; border: none; color: var(--text-dim); cursor: pointer;
  font-size: 11px; display: flex; align-items: center; gap: 4px; padding: 2px 6px;
  border-radius: 3px; font-family: inherit;
}
.copy-btn:hover { background: var(--bg3); color: var(--accent); }
.copy-btn .codicon { font-size: 13px; }
.cmd-pre {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 0 0 4px 4px; padding: 12px 14px;
  font-size: 12px; white-space: pre-wrap; word-break: break-all;
  color: var(--text); line-height: 1.6;
}
.cmd-pre.editable {
  background: var(--bg3);
  outline: none; min-height: 120px;
}
.cmd-pre.editable:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(74,158,255,0.12); }

/* --- Output terminal --- */
.output-wrap { margin-top: 14px; }
.output-label { font-size: 11px; color: var(--text-dim); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
#output-terminal {
  background: #111; border: 1px solid var(--border); border-radius: 4px;
  padding: 12px 14px; min-height: 120px; max-height: 320px;
  overflow-y: auto; font-size: 12px; white-space: pre-wrap; word-break: break-word;
  color: #ccc; line-height: 1.55;
}
#output-terminal.has-error { border-color: var(--danger); }
#output-terminal.has-success { border-color: var(--success); }

.step-actions { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
.step-status-msg { font-size: 12px; }
.step-status-msg.success { color: var(--success); }
.step-status-msg.error { color: var(--danger); }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }