/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0a0a14;
  --bg2: #0f0f1e;
  --bg3: #16162a;
  --surface: rgba(255,255,255,0.04);
  --surface2: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.1);
  --border2: rgba(255,255,255,0.16);
  --primary: #6366f1;
  --primary2: #8b5cf6;
  --accent: #ec4899;
  --cyan: #06b6d4;
  --green: #10b981;
  --red: #ef4444;
  --amber: #f59e0b;
  --text: #f1f5f9;
  --text2: #94a3b8;
  --text3: #475569;
  --radius: 12px;
  --radius2: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --glow: 0 0 24px rgba(99,102,241,0.25);
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
}

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Page System ===== */
.page { display: none; min-height: 100vh; position: relative; }
.page.active { display: block; animation: fadein 0.45s ease; }

@keyframes fadein {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Background Decorations ===== */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-orb {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
  filter: blur(100px); opacity: 0.35;
}
.orb-1 { width: 500px; height: 500px; background: radial-gradient(#6366f1, transparent); top: -120px; right: -100px; }
.orb-2 { width: 400px; height: 400px; background: radial-gradient(#ec4899, transparent); bottom: -80px; left: -80px; }

.navbar {
  position: relative; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px max(40px, calc((100vw - 1200px) / 2));
}

.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { display: flex; }
.logo-text { font-size: 1.2rem; font-weight: 700; color: var(--text); }
.logo-text .logo-ai {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.status-badge {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface);
}
.status-badge.online { border-color: rgba(16,185,129,0.4); color: var(--green); }
.status-badge.offline { color: var(--text2); }
.status-badge.error { border-color: rgba(239,68,68,0.4); color: var(--red); }

.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: currentColor;
}
.status-badge.online .status-dot { animation: blink 1.5s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ===== Landing Hero ===== */
.landing-hero {
  position: relative; z-index: 5;
  display: flex; flex-direction: column; align-items: center;
  padding: 60px 24px 80px;
  text-align: center;
}

.hero-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 999px;
  border: 1px solid rgba(99,102,241,0.35);
  background: rgba(99,102,241,0.1);
  font-size: 0.82rem; color: #a5b4fc;
  margin-bottom: 32px;
}
.chip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: blink 1.5s infinite; }

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800; line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  max-width: 580px; font-size: 1.1rem; color: var(--text2);
  margin-bottom: 48px; line-height: 1.7;
}

.hero-input-card {
  width: 100%; max-width: 660px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border2);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow), var(--glow);
  margin-bottom: 36px;
}

.input-row {
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,0,0,0.3); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 6px 6px 6px 16px;
  margin-bottom: 12px;
}

.input-icon { color: var(--text3); flex-shrink: 0; display: flex; }

.hero-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-family: var(--font); font-size: 0.95rem;
  padding: 8px 0;
}
.hero-input::placeholder { color: var(--text3); }

.input-hint { font-size: 0.78rem; color: var(--text3); text-align: left; }
.input-hint code { color: var(--text2); background: rgba(255,255,255,0.06); padding: 1px 5px; border-radius: 4px; font-family: var(--mono); }

/* CTA Button */
.cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff; border: none; border-radius: var(--radius2);
  font-family: var(--font); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99,102,241,0.45); }
.cta-btn:active { transform: translateY(0); }
.cta-btn.sm { padding: 8px 18px; font-size: 0.88rem; }

/* Features Pills */
.features-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.feature-pill {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 0.83rem; color: var(--text2);
  transition: all 0.2s;
}
.feature-pill:hover { border-color: rgba(99,102,241,0.4); color: var(--text); background: var(--surface2); }

/* ===== Processing Page ===== */
.processing-layout {
  position: relative; z-index: 5;
  display: flex; justify-content: center; align-items: center;
  min-height: calc(100vh - 80px); padding: 40px 24px;
}

.processing-card {
  width: 100%; max-width: 560px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border2);
  border-radius: 20px; padding: 40px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow), var(--glow);
}

.processing-title {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 8px;
}
.processing-title h2 { font-size: 1.5rem; font-weight: 700; }

.pulse-ring {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  background: var(--primary);
  box-shadow: 0 0 0 0 rgba(99,102,241,0.5);
  animation: pulse-anim 1.8s infinite;
}
@keyframes pulse-anim {
  0%   { box-shadow: 0 0 0 0 rgba(99,102,241,0.6); }
  70%  { box-shadow: 0 0 0 12px rgba(99,102,241,0); }
  100% { box-shadow: 0 0 0 0 rgba(99,102,241,0); }
}

.repo-url-display {
  font-size: 0.82rem; color: var(--text3); font-family: var(--mono);
  margin-bottom: 32px; word-break: break-all;
}

.steps-list { margin-bottom: 32px; }

.step-item {
  display: flex; align-items: flex-start; gap: 16px;
}

.step-connector {
  width: 2px; height: 24px; background: var(--border);
  margin: 4px 0 4px 17px;
}

.step-indicator {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--surface2); border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; position: relative; transition: all 0.3s;
}

.step-spinner {
  display: none;
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--border2); border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}

.step-check, .step-num { font-size: 0.85rem; font-weight: 600; color: var(--text3); }
.step-check { display: none; }

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

.step-item[data-state="active"] .step-indicator { border-color: var(--primary); background: rgba(99,102,241,0.15); }
.step-item[data-state="active"] .step-spinner { display: block; }
.step-item[data-state="active"] .step-num { display: none; }
.step-item[data-state="active"] .step-check { display: none; }

.step-item[data-state="done"] .step-indicator { border-color: var(--green); background: rgba(16,185,129,0.15); }
.step-item[data-state="done"] .step-spinner { display: none; }
.step-item[data-state="done"] .step-num { display: none; }
.step-item[data-state="done"] .step-check { display: block; color: var(--green); }

.step-item[data-state="error"] .step-indicator { border-color: var(--red); background: rgba(239,68,68,0.15); }
.step-item[data-state="error"] .step-num { color: var(--red); }

.step-body { padding-top: 6px; }
.step-body h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.step-desc { font-size: 0.8rem; color: var(--text3); }

.processing-stats-row {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 12px; margin-bottom: 20px;
}
.p-stat {
  background: rgba(99,102,241,0.08); border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius2); padding: 14px; text-align: center;
}
.p-stat-val { display: block; font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.p-stat-label { font-size: 0.75rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; }

.error-box {
  display: flex; align-items: flex-start; gap: 10px;
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius2); padding: 14px;
  color: #fca5a5; font-size: 0.85rem;
}
.error-box.hidden { display: none; }

/* ===== Graph Page ===== */
.graph-page-layout { display: flex; flex-direction: column; height: 100vh; background: var(--bg2); }

.graph-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px max(28px, calc((100vw - 1200px) / 2)); border-bottom: 1px solid var(--border);
  background: rgba(10,10,20,0.8); backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.logo-text.sm { font-size: 1rem; }
.logo-mark.small { width: 22px; }

.graph-stats-bar { display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text2); }
.graph-stats-bar span { font-weight: 700; color: var(--primary); }
.gs-sep { color: var(--text3); }

.graph-body { flex: 1; position: relative; overflow: hidden; }

#graph-canvas { width: 100%; height: 100%; }

#graph-canvas svg { width: 100%; height: 100%; }

.graph-legend-card {
  position: absolute; top: 20px; right: 20px;
  background: rgba(10,10,20,0.85); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px;
  backdrop-filter: blur(12px);
  font-size: 0.82rem;
}
.graph-legend-card h5 { font-size: 0.78rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.legend-row { display: flex; align-items: center; gap: 8px; color: var(--text2); margin-bottom: 6px; }
.legend-row:last-child { margin-bottom: 0; }
.lc { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; }

/* ===== IDE Page ===== */
#ide-page { background: var(--bg); }
.ide-layout { display: grid; grid-template-columns: 320px 1fr 380px; height: 100vh; }

/* Sidebar */
.agent-sidebar {
  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: 16px 20px; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-title { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 0.95rem; }

.ai-pulse {
  width: 10px; height: 10px; border-radius: 50%; background: var(--primary);
  box-shadow: 0 0 8px var(--primary); animation: blink 1.5s infinite;
}

.ws-badge {
  font-size: 0.68rem; font-weight: 700; padding: 3px 8px; border-radius: 4px;
  letter-spacing: 0.05em;
}
.ws-badge.connected { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.ws-badge.disconnected { background: rgba(71,85,105,0.2); color: var(--text3); border: 1px solid var(--border); }

.agent-input-zone { padding: 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.input-label { font-size: 0.78rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; display: block; margin-bottom: 10px; }

.target-select {
  width: 100%; background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  border-radius: var(--radius2); padding: 8px 12px; color: var(--text);
  font-family: var(--font); font-size: 0.85rem; outline: none; transition: border-color 0.2s;
}
.target-select:focus { border-color: var(--primary); }
.target-select option { background: var(--bg2); color: var(--text); }

#query-input {
  width: 100%; background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  border-radius: var(--radius2); padding: 12px; color: var(--text);
  font-family: var(--font); font-size: 0.88rem; resize: vertical;
  outline: none; transition: border-color 0.2s; margin-bottom: 12px;
  line-height: 1.6;
}
#query-input:focus { border-color: var(--primary); }
#query-input::placeholder { color: var(--text3); }

.gen-btn {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px; background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff; border: none; border-radius: var(--radius2);
  font-family: var(--font); font-size: 0.9rem; font-weight: 600; cursor: pointer;
  transition: all 0.2s; box-shadow: 0 4px 16px rgba(99,102,241,0.25);
}
.gen-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(99,102,241,0.4); }
.gen-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* Log Zone */
.log-zone { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.log-zone-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  font-size: 0.78rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em;
  flex-shrink: 0;
}

.ghost-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text2);
  padding: 4px 10px; border-radius: var(--radius2); font-size: 0.78rem;
  cursor: pointer; font-family: var(--font); display: flex; align-items: center; gap: 5px;
  transition: all 0.2s;
}
.ghost-btn:hover { background: var(--surface2); color: var(--text); }

.log-scroll { flex: 1; overflow-y: auto; padding: 12px; font-family: var(--mono); font-size: 0.76rem; line-height: 1.8; }

.log-empty { text-align: center; color: var(--text3); padding: 30px 0; }

.log-line { padding: 3px 8px; border-radius: 4px; margin-bottom: 2px; animation: slidein 0.2s ease; }
@keyframes slidein { from { opacity:0; transform:translateX(-6px); } to { opacity:1; transform:translateX(0); } }

.log-line.info { color: #818cf8; }
.log-line.success { color: var(--green); }
.log-line.warning { color: var(--amber); }
.log-line.error { color: #fca5a5; background: rgba(239,68,68,0.08); }
.log-ts { color: var(--text3); margin-right: 6px; }

/* Code Main */
.code-main { display: flex; flex-direction: column; overflow: hidden; background: var(--bg); }

.code-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; border-bottom: 1px solid var(--border);
  background: var(--bg2); flex-shrink: 0; height: 44px;
}

.file-tab {
  display: flex; align-items: center; gap: 7px;
  padding: 0 16px; height: 44px; font-size: 0.83rem;
  color: var(--text2); border-bottom: 2px solid transparent; cursor: pointer;
}
.file-tab.active { color: var(--text); border-bottom-color: var(--primary); }

.code-actions { display: flex; align-items: center; gap: 10px; }

.iter-badge {
  font-size: 0.75rem; font-weight: 600; padding: 3px 10px; border-radius: 4px;
  background: rgba(99,102,241,0.12); color: #a5b4fc;
  border: 1px solid rgba(99,102,241,0.25);
}

.code-editor-area { flex: 1; overflow: auto; background: #0d0d1a; }

.code-body { padding: 24px; min-height: 100%; }

.code-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 100%; min-height: 300px; color: var(--text3); text-align: center; gap: 12px;
}
.code-placeholder p { font-size: 1rem; color: var(--text2); }
.code-placeholder span { font-size: 0.83rem; }

.code-block { font-family: var(--mono); font-size: 0.85rem; line-height: 1.7; color: #e2e8f0; }
.code-block pre { margin: 0; white-space: pre; }

.ln { display: inline-block; width: 3em; text-align: right; margin-right: 1.2em; color: var(--text3); user-select: none; }

/* Metrics Sidebar (Right Side) */
.metrics-sidebar {
  background: var(--bg2);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 24px;
  overflow-y: auto;
}

.metrics-sidebar-header {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.1rem; font-weight: 700; color: var(--text);
  margin-bottom: 24px; text-transform: uppercase; letter-spacing: 0.05em;
}
.metrics-sidebar-header svg { color: var(--primary); }

.metric-card {
  background: rgba(30, 27, 75, 0.3);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
}
.metric-card:last-child { margin-bottom: 0; }
.metric-card.highlight-card {
  background: rgba(30, 27, 75, 0.6);
  border: 1px solid rgba(99, 102, 241, 0.3);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.15);
}

.metric-card-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 16px;
}
.metric-card-header h4 { font-size: 0.85rem; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.mc-val { font-size: 1.8rem; font-weight: 800; color: var(--primary); line-height: 1; }
.mc-val.safe { color: var(--cyan); }

.metric-track.lg { height: 8px; background: rgba(255,255,255,0.06); border-radius: 4px; overflow: hidden; margin-bottom: 20px; }
.metric-fill.lg { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary2)); width: 0%; transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1); border-radius: 4px; }
.metric-fill.safe.lg { background: linear-gradient(90deg, var(--cyan), var(--green)); }

.mc-details { font-size: 0.82rem; color: var(--text2); }
.mc-stat-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.mc-stat-row:last-child { border-bottom: none; }
.mc-stat-row span:first-child { color: var(--text3); }

.mc-status.pass { color: var(--green); font-weight: 600; }

/* Overall Quality Circular Card */
.mc-overall-header { text-align: center; margin-bottom: 20px; }
.mc-overall-header h4 { font-size: 1rem; color: var(--text); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; }

.mc-circle-wrap { position: relative; display: flex; justify-content: center; margin-bottom: 20px; }
.mc-circle-val {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
}
#quality-score {
  font-size: 2.2rem; font-weight: 800;
  background: linear-gradient(135deg, #a78bfa, #f472b6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.quality-ring.lg { transform-origin: center; drop-shadow: 0 0 10px rgba(99,102,241,0.5); }
.mc-overall-status { text-align: center; font-size: 1.1rem; font-weight: 600; color: var(--green); background: rgba(16, 185, 129, 0.1); padding: 8px; border-radius: 8px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.22); }

/* Responsive */
@media (max-width: 1200px) {
  .ide-layout { grid-template-columns: 300px 1fr 300px; }
}
@media (max-width: 900px) {
  .ide-layout { grid-template-columns: 1fr; grid-template-rows: auto 1fr auto; }
  .agent-sidebar { max-height: 40vh; }
  .metrics-sidebar { border-left: none; border-top: 1px solid var(--border); }
}