/* ============================================================
   htn-tunnel User Dashboard — macOS-inspired dark theme
   ============================================================ */

:root {
  --bg:             #1a1a2e;
  --bg-secondary:   #16213e;
  --bg-card:        #0d1b3e;
  --bg-hover:       #1e2a4a;
  --text:           #e0e0e0;
  --text-secondary: #8892b0;
  --text-muted:     #5a6380;
  --accent:         #007AFF;
  --accent-hover:   #0A84FF;
  --green:          #34C759;
  --red:            #FF3B30;
  --yellow:         #FFD60A;
  --cyan:           #64D2FF;
  --orange:         #FF9500;
  --border:         rgba(255,255,255,0.07);
  --border-strong:  rgba(255,255,255,0.12);
  --radius:         14px;
  --radius-sm:      8px;
  --radius-xs:      5px;
  --shadow:         0 2px 12px rgba(0,0,0,0.35);
  --shadow-lg:      0 8px 32px rgba(0,0,0,0.45);
  --font:           -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
  --mono:           'SF Mono', 'Fira Code', 'Cascadia Code', 'Menlo', monospace;
  --glass:          rgba(255,255,255,0.04);
  --glass-strong:   rgba(255,255,255,0.07);
  --transition:     0.18s ease;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* ---- Header / Nav ---- */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  height: 56px;
  background: rgba(26,26,46,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

#user-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#user-nav span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

#user-nav button {
  background: var(--glass-strong);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font);
  transition: all var(--transition);
}

#user-nav button:hover {
  background: rgba(255,59,48,0.15);
  border-color: rgba(255,59,48,0.4);
  color: var(--red);
}

/* ---- Footer ---- */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

footer a { color: var(--accent); }

/* ---- Page container ---- */
.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem;
}

/* ---- Hero / Landing ---- */
.hero {
  text-align: center;
  padding: 5rem 1rem 4rem;
}

.hero h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.hero p {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.6rem 1.6rem;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  font-family: var(--font);
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(0,122,255,0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px rgba(0,122,255,0.45);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--glass);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  padding: 0.6rem 1.6rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: var(--font);
  transition: all var(--transition);
}

.btn-secondary:hover {
  background: rgba(0,122,255,0.1);
  border-color: rgba(0,122,255,0.4);
}

/* ---- Forms ---- */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

input {
  background: var(--glass-strong);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font);
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}

input::placeholder { color: var(--text-muted); }

.subdomain-input {
  display: flex;
  align-items: stretch;
}

.subdomain-input input {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  flex: 1;
}

.domain-suffix {
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-left: none;
  padding: 0.65rem 0.9rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  white-space: nowrap;
  display: flex;
  align-items: center;
}

.error {
  color: var(--red);
  font-size: 0.82rem;
  min-height: 1.2em;
}

/* ---- Auth pages ---- */
#page-register h2,
#page-login h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text);
}

#page-register p,
#page-login p {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ---- Key box (post-register) ---- */
.key-box {
  background: var(--glass);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1.25rem 0;
}

.key-box p {
  color: var(--text-secondary);
  font-size: 0.82rem;
  margin-bottom: 0.6rem;
}

.key-box code {
  display: block;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.88rem;
  word-break: break-all;
  margin-bottom: 0.75rem;
  background: rgba(52,199,89,0.06);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-xs);
}

.key-box button {
  background: var(--glass-strong);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font);
  transition: all var(--transition);
}

.key-box button:hover {
  background: rgba(52,199,89,0.1);
  border-color: var(--green);
  color: var(--green);
}

/* ---- Quickstart box ---- */
.quickstart {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.quickstart h4 {
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.quickstart pre {
  color: var(--cyan);
  font-size: 0.85rem;
  white-space: pre-wrap;
  font-family: var(--mono);
}

/* ---- Section headings ---- */
h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 2rem 0 0.9rem;
  color: var(--text);
  letter-spacing: 0.01em;
}

.subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 0.4rem;
}

/* ---- Stats grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.stats-5 { grid-template-columns: repeat(5, 1fr); }

.stat-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1rem;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  border-radius: var(--radius) var(--radius) 0 0;
}

.stat-card:hover {
  background: var(--glass-strong);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  font-family: var(--mono);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* ---- Section row (chart + sidebar) ---- */
.section-row {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.section-col { flex: 2; }
.section-col-sm { flex: 1; min-width: 0; }

/* ---- Traffic chart ---- */
.chart-container {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 0.75rem 0.5rem;
  height: 160px;
  display: flex;
  align-items: flex-end;
  gap: 2px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent), var(--cyan));
  border-radius: 3px 3px 0 0;
  min-height: 2px;
  transition: height 0.35s ease, opacity var(--transition);
  position: relative;
  opacity: 0.75;
}

.chart-bar:hover { opacity: 1; }

.chart-bar[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(26,26,46,0.95);
  color: var(--text);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.68rem;
  white-space: nowrap;
  pointer-events: none;
  border: 1px solid var(--border-strong);
  font-family: var(--mono);
  box-shadow: var(--shadow);
  z-index: 10;
}

/* ---- Status breakdown ---- */
.status-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
}

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

.status-bar {
  flex: 1;
  height: 5px;
  background: var(--glass-strong);
  border-radius: 3px;
  overflow: hidden;
}

.status-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}

.status-count {
  color: var(--text-muted);
  font-size: 0.78rem;
  min-width: 28px;
  text-align: right;
  font-family: var(--mono);
}

/* ---- Top paths ---- */
#top-paths { font-size: 0.8rem; }

.path-row {
  display: flex;
  justify-content: space-between;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border);
}

.path-row:last-child { border-bottom: none; }

.path-name {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
}

.path-count {
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  flex-shrink: 0;
}

/* ---- Badge LIVE ---- */
.badge-live {
  font-size: 0.68rem;
  color: var(--green);
  font-weight: 500;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- Request log table ---- */
.log-table-wrap {
  max-height: 300px;
  overflow-y: auto;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.log-table-wrap::-webkit-scrollbar { width: 6px; }
.log-table-wrap::-webkit-scrollbar-track { background: transparent; }
.log-table-wrap::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  font-family: var(--mono);
}

.log-table thead {
  position: sticky;
  top: 0;
  background: rgba(13,27,62,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 5;
}

.log-table th {
  padding: 0.55rem 0.7rem;
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border-strong);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.log-table td {
  padding: 0.32rem 0.7rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.log-table tr:hover td { background: var(--glass-strong); }

.log-s2 { color: var(--green) !important; }
.log-s3 { color: var(--cyan) !important; }
.log-s4 { color: var(--yellow) !important; }
.log-s5 { color: var(--red) !important; }

/* ---- Subdomain list ---- */
#subdomains-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.subdomain-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--glass);
  border: 1px solid var(--border);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.subdomain-item:hover {
  background: var(--glass-strong);
  border-color: var(--border-strong);
}

.subdomain-item .name {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.88rem;
}

.subdomain-item .status { font-size: 0.78rem; }
.subdomain-item .status.online { color: var(--green); }
.subdomain-item .status.offline { color: var(--text-muted); }

.subdomain-item button {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
}

.subdomain-item button:hover {
  background: rgba(255,59,48,0.12);
}

/* ---- Add subdomain form ---- */
#add-subdomain-form {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

#add-subdomain-form input { flex: 1; }

#add-subdomain-form button {
  background: var(--glass-strong);
  color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--font);
  font-size: 0.85rem;
  transition: all var(--transition);
}

#add-subdomain-form button:hover {
  background: rgba(0,122,255,0.15);
  border-color: rgba(0,122,255,0.4);
  color: var(--accent);
}

/* ---- Tunnel items ---- */
.tunnel-item {
  background: var(--glass);
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  transition: all var(--transition);
}

.tunnel-item:hover {
  background: var(--glass-strong);
  border-color: var(--border-strong);
}

.tunnel-item .route {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.88rem;
}

.tunnel-item .meta {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 0.3rem;
  font-family: var(--mono);
}

/* ---- Details / collapsible ---- */
details {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}

summary {
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  list-style: none;
  user-select: none;
}

summary::-webkit-details-marker { display: none; }

summary::before {
  content: '+ ';
  color: var(--accent);
}

details[open] summary::before { content: '- '; }

details code {
  display: block;
  margin-top: 0.75rem;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.85rem;
  word-break: break-all;
  background: rgba(52,199,89,0.06);
  padding: 0.5rem;
  border-radius: var(--radius-xs);
}

/* ---- Pre blocks ---- */
pre {
  background: var(--glass);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* ---- Empty state ---- */
.empty {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.85rem;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .stats-5 { grid-template-columns: repeat(2, 1fr); }
  .section-row { flex-direction: column; }
  .page { padding: 1rem; }
  header { padding: 0 1rem; }
  .hero h2 { font-size: 1.5rem; }
}