/* ==============================
    Side Navigation Drawer
============================== */
.sidenav {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: 300px;                       /* full width of drawer */
  background: var(--card-bg, #222);
  border-left: 1px solid var(--card-border, #333);
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.4);
  z-index: 1000;

  transform: translateX(100%);        /* start hidden */
  transition: transform 0.3s ease-in-out;

  display: flex;                      /* row layout: tabs + panels */
  flex-direction: row;
  overflow: hidden;
}
.sidenav.open { transform: translateX(0); }

/* Toggle button */
.toggle-panel-btn {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--feature-color);
  border: 1px solid var(--dark-color);
  color: #111;
  padding: 0.2rem;
  border-radius: 8px;
  cursor: pointer;
  z-index: 1100;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  transition: background 0.2s;
}

.toggle-panel-btn:hover {
  background-color: var(--dark-color);
  color: #fff;
  transform: scale(1.05);
}

/* ==============================
   Vertical Tabs
============================== */
.sidenav-tabs {
  display: flex;
  flex-direction: column;
  width: 50px;
  background: transparent;
  border-right: 1px solid #333;
}
.tab-btn {
  padding: 1rem;
  background: transparent;
  color: var(--text-color);
  border: none;
  border-bottom: 1px solid #333;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 0.9rem;
}
.tab-btn:hover { background: #333; }
.tab-btn.active { background: var(--feature-color); }


/* ==============================
    Panel Area
============================== */
.sidenav {
  width: 380px; /* Increased from default */
  max-width: 90vw; /* Limit on larger screens */
}

/* Mobile styles */
@media (max-width: 768px) {
  .sidenav {
    width: 100vw; /* Full width on mobile */
    max-width: 100vw;
    height: 100vh; /* Full height on mobile */
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
  }
  
  .sidenav-panels {
    padding: 1.5rem; /* Slightly reduced padding on mobile */
  }
  
  /* Ensure content is scrollable on mobile */
  .sidenav-panels {
    height: 100%;
    overflow-y: auto;
  }
}

/* Larger screens */
@media (min-width: 1200px) {
  .sidenav {
    width: 420px; /* Even wider on very large screens */
  }
}

.sidenav-panels {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.sidenav-panels .panel { 
  display: none; 
}

.sidenav-panels .panel.active { 
  display: block; 
}

/* Panel body with footer stickiness */
.panel-body {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.panel-body .content { 
  flex: 1; 
}

.panel-body .footer {
  margin-top: auto;
  font-size: 0.85rem;
  color: #666;
}

.panel-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--dark-color);
  margin: -20px -20px 20px -20px;
  background: transparent;
}

.panel-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-color);
}

.panel-header .bi {
  color: var(--feature-color);
}

.panel-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==============================
   Sidenav Panel Scrollbar
============================== */

/* WebKit (Chrome, Edge, Safari) */
.sidenav-panels::-webkit-scrollbar {
  width: 10px;
}

.sidenav-panels::-webkit-scrollbar-track {
  background: transparent;
}

.sidenav-panels::-webkit-scrollbar-thumb {
  background-color: var(--card-border);
  border-radius: 8px;
  border: 2px solid transparent; /* soft inset look */
  background-clip: content-box;
}

.sidenav-panels::-webkit-scrollbar-thumb:hover {
  background-color: var(--dark-color);
}

/* Firefox */
.sidenav-panels {
  scrollbar-width: thin;
  scrollbar-color: var(--card-border) transparent;
}

/* 🔹 Shared floating panel style (used by control + status) */
.ui-panel {
  position: fixed;
  backdrop-filter: blur(10px);
  background: var(--card-border);
  border: 1px solid var(--dark-color);
  border-radius: 10px;
  box-shadow: 0 2px 8px var(--card-shadow);
  color: var(--text-color);
  padding: 0.5rem;
  z-index: 20;
  transition: all 0.25s ease;
}

/* 🧭 Control Panel */
.control-panel {
  bottom: 1vmin;
  left: 1vmin;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 📊 Status Bar */
#statusBar {
  top: 10px;
  left: 1vmin;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 12px;
  font-size: 13px;
}

#statusBar span {
  padding: 0 10px;
  color: var(--muted);
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-right: 10px;
  border-right: 1px solid var(--card-border);
}

/* remove divider on last */
.status-item:last-child {
  border-right: none;
  padding-right: 0;
}

/* icons */
.status-item i {
  color: var(--feature-color);
  font-size: 0.9rem;
}

/* numbers */
.status-item span {
  color: var(--text-color);
  font-weight: 500;
}

.status-label {
  font-weight: 600;
  color: var(--text-color);
}

/* 🎛 Control Buttons */
.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background-color: var(--feature-color);
  border: 1px solid var(--dark-color);
  border-radius: 8px;
  font-size: 1.1rem;
  color: #111;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.control-btn:hover {
  background-color: var(--dark-color);
  color: #fff;
  transform: scale(1.05);
}

/* 🪄 Optional hover highlight for panels */
.ui-panel:hover {
  background: rgba(26, 26, 26, 0.85);
  transform: translateY(-1px);
}

/* Library Styles */
.pattern-library {
  position: fixed;
  inset: 10%;
  background: var(--card-bg);
  color: var(--text-color);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 30px var(--card-shadow);
  z-index: 2000;
  border: 1px solid var(--card-border);
}

.pattern-library.hidden {
  display: none;
}

/* ---------- Header ---------- */

.library-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--card-border);
}

.library-header h2 {
  margin: 0;
  color: var(--text-color);
}

.library-header button {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
}

.library-header button:hover {
  color: var(--text-color);
}

/* ---------- Search ---------- */

.library-search {
  margin: 12px;
  padding: 8px 10px;
  background: var(--bg);
  color: var(--text-color);
  border: 1px solid var(--card-border);
  border-radius: 6px;
}

.library-search::placeholder {
  color: var(--muted);
}

/* ---------- Table ---------- */

.library-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--text-color);
}

.library-table th,
.library-table td {
  padding: 10px;
  border-bottom: 1px solid var(--card-border);
}

.library-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
}

.library-table tbody tr {
  cursor: pointer;
  transition: background 0.15s ease;
}

.library-table tbody tr:hover {
  background: color-mix(
    in srgb,
    var(--text-color) 6%,
    transparent
  );
}