/* ─── RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
button { background: none; border: none; cursor: pointer; font: inherit; }
input, textarea { font: inherit; }

/* ─── TOKENS ─────────────────────────────────────────── */
:root {
  --font-ui: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'Fira Code', monospace;

  /* Sidebar */
  --sidebar-w: 200px;
  --sidebar-collapsed-w: 52px;

  /* Topbar */
  --topbar-h: 44px;

  /* Right panel */
  --right-w: 164px;

  /* Radius */
  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 10px;
  --r-xl: 14px;

  /* Transitions */
  --t: 0.15s ease;
}

/* ─── DARK THEME (default) ───────────────────────────── */
[data-theme="dark"] {
  --bg-base:    #0c0e14;
  --bg-surface: #10131c;
  --bg-raised:  #161a27;
  --bg-hover:   #1c2033;
  --bg-active:  #1e2238;

  --border:     #1e2334;
  --border-md:  #252a3d;
  --border-hi:  #303654;

  --text-primary:   #e2e6f0;
  --text-secondary: #8891a8;
  --text-muted:     #4a5268;
  --text-dim:       #2e3450;

  --accent:         #7c3aed;
  --accent-dim:     #4c1d95;
  --accent-bright:  #a78bfa;
  --accent-bg:      #1a1535;

  --blue:       #3b82f6;
  --blue-dim:   #1e3a5f;
  --blue-bg:    #0f1f3d;

  --green:      #34d399;
  --green-dim:  #065f46;
  --green-bg:   #0d2b1a;

  --amber:      #fbbf24;
  --amber-dim:  #78350f;
  --amber-bg:   #1c1205;

  --red:        #f87171;
  --red-dim:    #7f1d1d;
  --red-bg:     #1f0a0a;

  --purple:     #a78bfa;
  --purple-dim: #4c1d95;
  --purple-bg:  #1a1535;

  color-scheme: dark;
}

/* ─── LIGHT THEME ────────────────────────────────────── */
[data-theme="light"] {
  --bg-base:    #f5f5f7;
  --bg-surface: #ffffff;
  --bg-raised:  #ffffff;
  --bg-hover:   #f0f0f3;
  --bg-active:  #ebebef;

  --border:     #e2e4ec;
  --border-md:  #d0d3df;
  --border-hi:  #b8bccc;

  --text-primary:   #111827;
  --text-secondary: #4b5563;
  --text-muted:     #9ca3af;
  --text-dim:       #d1d5db;

  --accent:         #7c3aed;
  --accent-dim:     #ddd6fe;
  --accent-bright:  #6d28d9;
  --accent-bg:      #ede9fe;

  --blue:       #2563eb;
  --blue-dim:   #bfdbfe;
  --blue-bg:    #eff6ff;

  --green:      #059669;
  --green-dim:  #a7f3d0;
  --green-bg:   #ecfdf5;

  --amber:      #d97706;
  --amber-dim:  #fde68a;
  --amber-bg:   #fffbeb;

  --red:        #dc2626;
  --red-dim:    #fecaca;
  --red-bg:     #fef2f2;

  --purple:     #7c3aed;
  --purple-dim: #ddd6fe;
  --purple-bg:  #ede9fe;

  color-scheme: light;
}

/* ─── BASE ───────────────────────────────────────────── */
html, body {
  height: 100%;
  font-family: var(--font-ui);
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ─── APP SHELL ──────────────────────────────────────── */
#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── SIDEBAR ────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: width var(--t);
  overflow: hidden;
}

#sidebar-logo {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  gap: 8px;
  white-space: nowrap;
}

#logo-mark {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--accent), var(--blue));
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: white; flex-shrink: 0;
}

#module-nav {
  flex: 1;
  padding: 8px 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--r-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: background var(--t), color var(--t);
  position: relative;
  white-space: nowrap;
  width: 100%;
  text-align: left;
}

.nav-btn svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
}

.nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-btn.active {
  background: var(--accent-bg);
  color: var(--accent-bright);
}

.nav-btn.active::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: white;
  font-size: 10px;
  font-weight: 600;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 5px;
  flex-shrink: 0;
}

#sidebar-footer {
  padding: 8px 6px;
  border-top: 1px solid var(--border);
}

#theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--r-md);
  color: var(--text-muted);
  transition: background var(--t), color var(--t);
}

#theme-toggle svg { width: 16px; height: 16px; }
#theme-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ─── MAIN ───────────────────────────────────────────── */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-base);
}

/* ─── TOPBAR ─────────────────────────────────────────── */
#topbar {
  height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
}

#topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

#workspace-switcher {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  user-select: none;
  transition: background var(--t);
}

#workspace-switcher:hover { background: var(--bg-active); }

#ws-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

#ws-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  background: var(--bg-raised);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  z-index: 100;
  padding: 6px;
}

#ws-list { display: flex; flex-direction: column; gap: 2px; }

.ws-option {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r-md);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: background var(--t);
}

.ws-option:hover { background: var(--bg-hover); color: var(--text-primary); }
.ws-option.active { color: var(--text-primary); background: var(--bg-active); }

.ws-color-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}

.ws-divider { height: 1px; background: var(--border); margin: 6px 0; }

#ws-add-btn {
  width: 100%;
  text-align: left;
  padding: 7px 10px;
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--text-muted);
  transition: background var(--t), color var(--t);
}
#ws-add-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

#topbar-breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
}

#topbar-right {
  display: flex; align-items: center; gap: 10px;
}

#agent-status {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: var(--green-bg);
  border: 1px solid var(--green-dim);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  color: var(--green);
}

.agent-pulse, .pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: blink 1.8s ease-in-out infinite;
  flex-shrink: 0;
}

.pulse-dot.green { background: var(--green); }
.pulse-dot.amber { background: var(--amber); }
.pulse-dot.blue  { background: var(--blue); }
.pulse-dot.red   { background: var(--red); }
.pulse-dot.purple { background: var(--purple); }

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ─── CONTENT ────────────────────────────────────────── */
#content {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* ─── MODULE PANEL ───────────────────────────────────── */
#module-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

#module-view {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

/* ─── ACTIVITY FEED ──────────────────────────────────── */
#activity-section {
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  height: 160px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

#activity-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px 6px;
  flex-shrink: 0;
}

#activity-live {
  margin-left: auto;
  display: flex; align-items: center; gap: 5px;
  font-size: 11px;
  color: var(--green);
  font-family: var(--font-mono);
}

#activity-feed {
  flex: 1;
  overflow-y: auto;
  padding: 0 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.activity-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  animation: fadein 0.3s ease forwards;
  font-size: 12px;
  font-family: var(--font-mono);
}

@keyframes fadein { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.act-ts {
  color: var(--text-dim);
  min-width: 38px;
  font-size: 11px;
  margin-top: 2px;
  flex-shrink: 0;
}

.act-dot-wrap {
  margin-top: 5px;
  flex-shrink: 0;
}

.act-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
}

.act-dot.info    { background: var(--blue); }
.act-dot.working { background: var(--amber); }
.act-dot.draft   { background: var(--purple); }
.act-dot.complete { background: var(--green); }
.act-dot.error   { background: var(--red); }

.act-text {
  color: var(--text-secondary);
  line-height: 1.4;
  flex: 1;
}

.act-text .act-bold { color: var(--text-primary); font-weight: 500; }
.act-text .act-ws { color: var(--text-muted); font-size: 11px; }

/* ─── RIGHT PANEL ────────────────────────────────────── */
#right-panel {
  width: var(--right-w);
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  flex-shrink: 0;
}

.panel-block { display: flex; flex-direction: column; gap: 4px; }

.panel-label, .section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.right-module-item, .right-ws-item {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 8px;
  border-radius: var(--r-md);
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--t), color var(--t);
}

.right-module-item:hover, .right-ws-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.right-module-item.active { color: var(--accent-bright); background: var(--accent-bg); }
.right-ws-item.active     { color: var(--text-primary); background: var(--bg-active); }

.right-dot { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }
.right-dot.idle    { background: var(--text-dim); }
.right-dot.running { background: var(--green); animation: blink 1.8s ease-in-out infinite; }

/* ─── MODULE CONTENT COMPONENTS ──────────────────────── */
.module-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
}

.module-title {
  font-size: 18px; font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.live-badge {
  padding: 2px 8px;
  background: var(--accent-bg);
  color: var(--accent-bright);
  border: 1px solid var(--accent-dim);
  border-radius: 20px;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.card-header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.card-body { padding: 14px; }

.card-footer {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
}

/* Status badges */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px;
  border-radius: var(--r-sm);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge.pending  { background: var(--amber-bg);  color: var(--amber);  border: 1px solid var(--amber-dim); }
.badge.approved { background: var(--green-bg);  color: var(--green);  border: 1px solid var(--green-dim); }
.badge.rejected { background: var(--red-bg);    color: var(--red);    border: 1px solid var(--red-dim); }
.badge.revised  { background: var(--blue-bg);   color: var(--blue);   border: 1px solid var(--blue-dim); }
.badge.complete { background: var(--green-bg);  color: var(--green);  border: 1px solid var(--green-dim); }
.badge.in-progress { background: var(--blue-bg); color: var(--blue); border: 1px solid var(--blue-dim); }
.badge.todo     { background: var(--bg-hover);  color: var(--text-secondary); border: 1px solid var(--border); }
.badge.done     { background: var(--green-bg);  color: var(--green);  border: 1px solid var(--green-dim); }
.badge.high     { background: var(--red-bg);    color: var(--red);    border: 1px solid var(--red-dim); }
.badge.medium   { background: var(--amber-bg);  color: var(--amber);  border: 1px solid var(--amber-dim); }
.badge.low      { background: var(--bg-hover);  color: var(--text-muted); border: 1px solid var(--border); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  border-radius: var(--r-md);
  font-size: 13px; font-weight: 500;
  transition: background var(--t), color var(--t), opacity var(--t);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { opacity: 0.85; }

.btn-approve { background: var(--green-bg); color: var(--green); border-color: var(--green-dim); }
.btn-approve:hover { background: var(--green-dim); }

.btn-ghost { background: var(--bg-hover); color: var(--text-secondary); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-active); color: var(--text-primary); }

.btn-danger { background: var(--red-bg); color: var(--red); border-color: var(--red-dim); }

/* Inputs */
.input {
  background: var(--bg-base);
  border: 1px solid var(--border-md);
  border-radius: var(--r-md);
  padding: 7px 10px;
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--t);
  width: 100%;
}

.input:focus { border-color: var(--accent); }
.input::placeholder { color: var(--text-muted); }

textarea.input { resize: vertical; min-height: 80px; }

/* Markdown rendering in draft content */
.draft-content { font-size: 13px; line-height: 1.7; color: var(--text-secondary); }
.draft-content h1, .draft-content h2, .draft-content h3 { color: var(--text-primary); margin: 12px 0 6px; font-weight: 600; }
.draft-content p { margin-bottom: 8px; }
.draft-content ul, .draft-content ol { padding-left: 20px; margin-bottom: 8px; }
.draft-content li { margin-bottom: 4px; }
.draft-content strong { color: var(--text-primary); font-weight: 600; }
.draft-content table { width: 100%; border-collapse: collapse; font-size: 12px; margin: 8px 0; }
.draft-content th { background: var(--bg-raised); color: var(--text-primary); font-weight: 600; padding: 6px 10px; border: 1px solid var(--border); text-align: left; }
.draft-content td { padding: 5px 10px; border: 1px solid var(--border); color: var(--text-secondary); }
.draft-content code { background: var(--bg-raised); padding: 1px 5px; border-radius: 3px; font-family: var(--font-mono); font-size: 12px; }

/* Progress bars */
.progress-bar-wrap {
  background: var(--bg-hover);
  border-radius: 4px;
  height: 5px;
  overflow: hidden;
  flex: 1;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.4s ease;
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

/* Metric cards */
.metric-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px 16px;
}

.metric-label { font-size: 11px; color: var(--text-muted); font-weight: 500; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.05em; }
.metric-value { font-size: 22px; font-weight: 600; color: var(--text-primary); letter-spacing: -0.02em; }
.metric-sub   { font-size: 11px; color: var(--text-muted); margin-top: 6px; }
.metric-bar   { margin-top: 10px; display: flex; align-items: center; gap: 8px; }

/* Empty state */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; padding: 40px 20px;
  color: var(--text-muted); font-size: 13px; text-align: center;
}

.empty-icon { font-size: 28px; opacity: 0.4; }

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

/* Utility */
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.ml-auto { margin-left: auto; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-12 { margin-bottom: 12px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 12px; }
.mono { font-family: var(--font-mono); }

/* ─── MODAL ──────────────────────────────────────────── */
#modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
}

#modal-box {
  background: var(--bg-raised);
  border: 1px solid var(--border-md);
  border-radius: var(--r-xl);
  width: 540px; max-width: 95vw;
  max-height: 85vh;
  display: flex; flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

#modal-header {
  display: flex; align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 14px;
}

#modal-close {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 16px;
  padding: 2px 6px;
  border-radius: var(--r-sm);
  transition: background var(--t);
}

#modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

#modal-body {
  padding: 18px;
  overflow-y: auto;
  flex: 1;
}