/* ============================================================
   GitScan — Dark Data Dashboard
   style.css
   ============================================================ */

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

/* ---------- Variables ---------- */
:root {
  --bg:          #0d1117;
  --bg2:         #161b22;
  --bg3:         #1c2128;
  --bg4:         #22272e;
  --bg5:         #2d333b;
  --border:      rgba(255,255,255,0.08);
  --border-2:    rgba(255,255,255,0.14);
  --text-1:      #e6edf3;
  --text-2:      #8b949e;
  --text-3:      #484f58;
  --accent:      #58a6ff;
  --accent-2:    #3fb950;
  --accent-3:    #f78166;
  --accent-glow: rgba(88,166,255,0.15);
  --gold:        #e3b341;

  /* Language colors */
  --js:     #f1e05a;
  --ts:     #3178c6;
  --python: #3572A5;
  --html:   #e34c26;
  --css:    #563d7c;
  --rust:   #dea584;
  --go:     #00ADD8;
  --java:   #b07219;
  --cpp:    #f34b7d;
  --shell:  #89e051;
  --other:  #8b949e;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow:    0 1px 3px rgba(0,0,0,0.3), 0 4px 16px rgba(0,0,0,0.2);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}

/* ---------- Base ---------- */
html { height: 100%; }

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }

/* ---------- Header ---------- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(13,17,23,0.9);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--bg3);
  border: 1px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-1);
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-1);
}

.brand-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: var(--text-3);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.api-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-2);
  letter-spacing: 0.04em;
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 6px var(--accent-2);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* ---------- Screens ---------- */
.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.screen.hidden { display: none; }

/* ---------- Search Screen ---------- */
#screen-search {
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

/* Background grid */
#screen-search::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(88,166,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88,166,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* Glow blob */
#screen-search::after {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(88,166,255,0.06) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.search-hero {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 560px;
  width: 100%;
  animation: hero-in 0.5s ease both;
}

@keyframes hero-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.search-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.search-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text-1);
  margin-bottom: 1rem;
}

.search-title em {
  font-style: normal;
  color: var(--accent);
}

.search-sub {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.6;
  font-weight: 400;
  margin-bottom: 2.5rem;
}

/* Search box */
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
  margin-bottom: 1.2rem;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-prefix {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-3);
  padding: 0 0 0 1.2rem;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-1);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  padding: 1rem 0.8rem;
  outline: none;
  letter-spacing: 0.03em;
}

.search-input::placeholder { color: var(--text-3); }

.search-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  background: var(--accent);
  border: none;
  color: var(--bg);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.search-btn:hover { background: #79bbff; }
.search-btn:active { transform: scale(0.97); }

/* Suggestions */
.search-suggestions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.suggestions-label {
  font-size: 0.75rem;
  color: var(--text-3);
  font-family: 'JetBrains Mono', monospace;
}

.suggestion-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 0.3rem 0.8rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.03em;
}

.suggestion-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ---------- Loading Screen ---------- */
#screen-loading {
  align-items: center;
  justify-content: center;
}

.loading-wrap { text-align: center; }

.loading-spinner {
  width: 40px; height: 40px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1.5rem;
}

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

.loading-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-1);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.loading-sub {
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

/* ---------- Error Screen ---------- */
#screen-error {
  align-items: center;
  justify-content: center;
}

.error-wrap { text-align: center; }

.error-code {
  font-family: 'Syne', sans-serif;
  font-size: 6rem;
  font-weight: 800;
  color: var(--border-2);
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.error-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 0.5rem;
}

.error-sub {
  font-size: 0.88rem;
  color: var(--text-2);
  margin-bottom: 2rem;
}

.btn-back {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(88,166,255,0.25);
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-back:hover { background: rgba(88,166,255,0.2); }

/* ---------- Profile Screen ---------- */
#screen-profile {
  padding: 0;
  animation: fade-in 0.35s ease both;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.profile-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.15s;
  padding: 0;
}

.back-btn:hover { color: var(--text-1); }

.github-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.03em;
  transition: opacity 0.15s;
}

.github-link:hover { opacity: 0.8; }

/* Layout */
.profile-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  min-height: calc(100vh - 110px);
}

/* ---------- Aside / User Card ---------- */
.profile-aside {
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  background: var(--bg2);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.user-card { text-align: center; }

.avatar-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
}

.avatar {
  width: 96px; height: 96px;
  border-radius: 50%;
  border: 2px solid var(--border-2);
  display: block;
}

.avatar-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0.4;
  animation: ring-pulse 3s ease-in-out infinite;
}

@keyframes ring-pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50%       { transform: scale(1.04); opacity: 0.7; }
}

.user-name {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}

.user-login {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 0.8rem;
}

.user-bio {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.55;
  margin-bottom: 1rem;
  font-weight: 400;
}

.user-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-2);
}

.meta-item svg { flex-shrink: 0; color: var(--text-3); }

.meta-link {
  color: var(--accent);
  font-size: 0.78rem;
  word-break: break-all;
}

.meta-link:hover { text-decoration: underline; }

/* Follow stats */
.follow-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.follow-stat { text-align: center; flex: 1; }

.follow-val {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-1);
  letter-spacing: -0.02em;
}

.follow-label {
  font-size: 0.65rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.15rem;
}

.follow-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
}

/* ---------- Profile Main ---------- */
.profile-main {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
}

/* Stat cards */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.2rem 1rem;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
  animation: card-in 0.4s ease both;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.scard-icon { font-size: 1.2rem; margin-bottom: 0.5rem; }

.scard-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -0.03em;
  display: block;
  margin-bottom: 0.2rem;
}

.scard-label {
  font-size: 0.65rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Panels ---------- */
.panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  animation: card-in 0.4s ease both;
}

.panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.panel-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.01em;
}

.panel-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

/* ---------- Language Bar ---------- */
.lang-bar-wrap {
  display: flex;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
  gap: 2px;
}

.lang-segment {
  height: 100%;
  border-radius: 2px;
  transition: opacity 0.2s;
  cursor: default;
}

.lang-segment:hover { opacity: 0.8; }

.lang-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.lang-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-2);
}

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

.lang-pct {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-3);
}

/* ---------- Repo List ---------- */
.repo-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.repo-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s;
  text-decoration: none;
  color: inherit;
}

.repo-row:hover { border-color: var(--border-2); }

.repo-info { flex: 1; min-width: 0; }

.repo-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.repo-desc {
  font-size: 0.75rem;
  color: var(--text-2);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.repo-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.repo-lang {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.68rem;
  color: var(--text-2);
}

.repo-lang-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

.repo-stat {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-3);
}

/* ---------- Recent List ---------- */
.recent-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.recent-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.15s;
}

.recent-row:last-child { border-bottom: none; }
.recent-row:hover { padding-left: 0.4rem; }

.recent-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.recent-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-3);
  flex-shrink: 0;
}

/* ---------- Footer ---------- */
.footer {
  margin-top: auto;
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border);
  background: rgba(13,17,23,0.9);
  backdrop-filter: blur(12px);
  text-align: center;
}

.footer-content {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .profile-layout { grid-template-columns: 1fr; }
  .profile-aside  { border-right: none; border-bottom: 1px solid var(--border); padding: 1.5rem; }
  .user-card      { display: flex; flex-direction: column; align-items: center; }
  .stat-cards     { grid-template-columns: repeat(2, 1fr); }
  .profile-main   { padding: 1.5rem; }
}

@media (max-width: 560px) {
  .header         { padding: 1rem; }
  .search-title   { font-size: 2.2rem; }
  .search-box     { border-radius: var(--radius-sm); }
  .stat-cards     { grid-template-columns: repeat(2, 1fr); }
  .profile-main   { padding: 1rem; }
  .panel          { padding: 1.2rem; }
}