@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ─── VARIABLES ─────────────────────────────────────────────────────────────── */
:root {
  --bg: #f4f3f0;
  --bg2: #eceae6;
  --card: #ffffff;
  --card2: #f9f8f6;
  --text: #1a1a1a;
  --text2: #666;
  --accent: #2d7d7d;
  --accent2: #1f5c5c;
  --green: #27ae60;
  --border: #e0ddd8;
  --sidebar-bg: #1a1f2a;
  --sidebar-text: #a9b1c7;
  --sidebar-accent: #2d7d7d;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'DM Sans', sans-serif;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
}

body.dark {
  --bg: #0d1117;
  --bg2: #161b22;
  --card: #1a1f2a;
  --card2: #141920;
  --text: #e6edf3;
  --text2: #7d8590;
  --border: #2a2f3a;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}

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

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s, color 0.3s;
  min-height: 100vh;
}

/* ─── LAYOUT ─────────────────────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: 240px;
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  z-index: 100;
  overflow-y: auto;
}

.main {
  margin-left: 240px;
  padding: 36px 40px 60px;
  max-width: 1100px;
}

/* ─── SIDEBAR HEADER ──────────────────────────────────────────────────────────── */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-avatar {
  width: 40px; height: 40px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

.sidebar-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
}

.sidebar-role {
  font-size: 0.7rem;
  color: var(--sidebar-text);
  margin-top: 2px;
}

/* ─── SIDEBAR STATUS ─────────────────────────────────────────────────────────── */
.sidebar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(39,174,96,0.1);
  border: 1px solid rgba(39,174,96,0.2);
  border-radius: 8px;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.4); }
}

.sidebar-status-text {
  font-size: 0.7rem;
  color: var(--green);
  font-family: var(--mono);
}

/* ─── SIDEBAR NAV ────────────────────────────────────────────────────────────── */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.15s;
}

.nav-link:hover, .nav-link.active {
  background: rgba(45,125,125,0.15);
  color: var(--accent);
}

.nav-icon {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ─── SIDEBAR FOOTER ─────────────────────────────────────────────────────────── */
.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.github-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 6px 8px;
  border-radius: 6px;
  transition: 0.15s;
}

.github-link:hover { color: #fff; background: rgba(255,255,255,0.06); }

.sidebar-controls {
  display: flex;
  gap: 8px;
}

.ctrl-btn {
  flex: 1;
  padding: 7px 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 7px;
  color: var(--sidebar-text);
  font-size: 0.75rem;
  font-family: var(--mono);
  cursor: pointer;
  transition: 0.15s;
}

.ctrl-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.sidebar-badge {
  background: rgba(45,125,125,0.12);
  border: 1px solid rgba(45,125,125,0.25);
  border-radius: 7px;
  padding: 7px 10px;
  font-size: 0.7rem;
  color: var(--accent);
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.3px;
}

/* ─── PAGE HEADER ────────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 52px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.page-title {
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.page-sub {
  font-size: 0.82rem;
  color: var(--text2);
  margin-top: 6px;
  font-family: var(--mono);
}

.logout-area {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logged-as {
  font-size: 0.78rem;
  color: var(--text2);
  font-family: var(--mono);
}

.logout-btn {
  padding: 7px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text2);
  font-size: 0.78rem;
  cursor: pointer;
  font-family: var(--sans);
  transition: 0.15s;
}

.logout-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── SECTIONS ───────────────────────────────────────────────────────────────── */
section {
  margin-bottom: 40px;
  scroll-margin-top: 20px;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--accent);
}

/* ─── METRICS GRID ───────────────────────────────────────────────────────────── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.metrics-grid.four-col {
  grid-template-columns: repeat(4, 1fr);
}

.metric-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, transform 0.2s;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.metric-card.accent {
  border-left: 3px solid var(--accent);
}

.metric-card.accent-green {
  border-left: 3px solid var(--green);
}

.metric-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}

.metric-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1;
}

.metric-value.mono { font-family: var(--mono); }
.metric-value.small { font-size: 0.88rem; }

.metric-bar {
  margin-top: 10px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.5s ease;
  width: 0%;
}

.metric-bar-fill.green { background: var(--green); }

/* ─── ENERGY CARD ────────────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
  box-shadow: var(--shadow);
}

.energy-card {
  background: linear-gradient(135deg, var(--card) 0%, var(--card2) 100%);
}

.energy-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.energy-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.energy-since {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text2);
}

.stat-block {
  padding: 14px 16px;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.stat-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.stat-value.mono { font-family: var(--mono); }

/* ─── PROJECTS ───────────────────────────────────────────────────────────────── */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.2s;
}

.project-card:hover { border-color: var(--accent); }

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.project-header:hover { background: var(--card2); }

.project-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.project-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.6;
  flex-shrink: 0;
}

.project-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.project-arrow {
  font-size: 0.7rem;
  color: var(--text2);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.project-arrow.open { transform: rotate(180deg); }

.project-body {
  display: none;
  padding: 0 22px 22px;
  
}

.project-body.open { display: block; }

.project-body p {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.75;
  margin: 16px 0 14px;
}

.project-body ul {
  list-style: none;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.project-body ul li {
  font-size: 0.82rem;
  color: var(--text2);
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}

.project-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

/* ─── TAGS ───────────────────────────────────────────────────────────────────── */
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 3px 9px;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text2);
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────────── */
.page-footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text2);
  padding: 32px 0 0;
  
  font-family: var(--mono);
}

/* ─── CHAT ───────────────────────────────────────────────────────────────────── */
.chat-fab {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 52px; height: 52px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(45,125,125,0.4);
  z-index: 1000;
  transition: transform 0.2s, box-shadow 0.2s;
}

.chat-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(45,125,125,0.5);
}

.chat-window {
  position: fixed;
  bottom: 92px; right: 28px;
  width: 340px; height: 480px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.chat-window.open { display: flex; }

.chat-header {
  background: var(--accent);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: white;
}

.chat-sub {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.7);
  font-family: var(--mono);
  margin-top: 2px;
}

.chat-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  transition: color 0.15s;
}

.chat-close:hover { color: white; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg);
}

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  background: var(--card);
  
}

.chat-input-row input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.83rem;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  outline: none;
  transition: border-color 0.15s;
}

.chat-input-row input:focus { border-color: var(--accent); }

.chat-input-row button {
  padding: 8px 14px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.83rem;
  font-weight: 600;
  font-family: var(--sans);
  transition: background 0.15s;
}

.chat-input-row button:hover { background: var(--accent2); }

.bubble-user {
  align-self: flex-end;
  background: var(--accent);
  color: white;
  padding: 8px 13px;
  border-radius: 12px 12px 3px 12px;
  font-size: 0.82rem;
  max-width: 85%;
  line-height: 1.5;
}

.bubble-bot {
  align-self: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 8px 13px;
  border-radius: 12px 12px 12px 3px;
  font-size: 0.82rem;
  max-width: 85%;
  color: var(--text);
  line-height: 1.6;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 20px 16px 60px; }
  .metrics-grid.four-col { grid-template-columns: repeat(2, 1fr); }
  .page-header { flex-direction: column; gap: 16px; }
  .chat-window { width: calc(100vw - 32px); right: 16px; }
}
/* ─── MOBILE TOPBAR ──────────────────────────────────────────────────────────── */
.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--sidebar-bg);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
}

.mobile-topbar-left {
  display: flex;
  flex-direction: column;
}

.mobile-topbar-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
}

.mobile-topbar-role {
  font-size: 0.68rem;
  color: #a9b1c7;
  font-family: var(--mono);
}

.mobile-topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 768px) {
  .mobile-topbar { display: flex; }
}
/* ─── MOBILE INFO ────────────────────────────────────────────────────────────── */
.mobile-info {
  min-height: 64px;
  display: none;
  margin-top: 12px;
  padding-top: 12px;
  
  gap: 10px;
  flex-direction: column;
}

.mobile-info-name {
  font-size: 0.78rem;
  color: var(--text2);
  font-family: var(--mono);
}

.mobile-info-controls {
  display: flex;
  gap: 8px;
}

.mobile-info-controls .ctrl-btn {
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 7px;
  padding: 6px 10px;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: var(--mono);
}

@media (max-width: 768px) {
  .mobile-info {
  min-height: 64px; display: flex; }
}

@media (max-width: 768px) {
  .logout-area { display: none; }
}

@media (max-width: 768px) {
  .logout-area { display: flex !important; margin-top: 8px; }
}

@media (max-width: 768px) {
  .logout-area { display: none !important; }
}

.mobile-logout {
  display: none;
  justify-content: center;
  padding: 20px 0;
}

@media (max-width: 768px) {
  .mobile-logout { display: flex; }
}

@media (max-width: 768px) {
  .page-header { border-bottom: none; }
}

@media (max-width: 768px) {
  .page-header { margin-bottom: 16px; }
}

.intro-text {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  line-height: 1.8;
}

.cv-btn {
  padding: 7px 16px;
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--accent);
  font-size: 0.78rem;
  text-decoration: none;
  transition: 0.15s;
  font-family: var(--sans);
}

.cv-btn:hover {
  background: var(--accent);
  color: white;
}

.project-result {
  font-size: 0.82rem;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: rgba(45,125,125,0.08);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-result + .project-tags,
.project-result ~ .project-tags {
  margin-top: 8px;
}

.project-tags .project-result {
  width: 100%;
  margin-bottom: 10px;
}