/* PalmOS Lemmings — Retro PDA Web Experience */
:root {
  --bg-color: #1a1e24;
  --panel-bg: #222730;
  --border-color: #384252;
  --text-main: #e2e8f0;
  --text-dim: #94a3b8;
  --palm-chassis: #3c424a;
  --palm-chassis-dark: #282c32;
  --palm-bezel: #1e2227;
  --palm-lcd-bg: #9eb882;
  --accent-color: #38bdf8;
  --accent-hover: #0ea5e9;
  --danger-color: #ef4444;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background-color: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-badge h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #fff;
}

.version-tag {
  font-size: 0.75rem;
  background-color: #0f172a;
  color: #38bdf8;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  border: 1px solid #1e293b;
  font-family: monospace;
}

.header-nav {
  display: flex;
  gap: 1rem;
}

.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: 0.375rem;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
}

/* Main Layout */
.main-container {
  display: flex;
  flex: 1;
  padding: 1.5rem;
  gap: 2rem;
  justify-content: center;
  align-items: flex-start;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* PDA Device Chassis */
.pda-workspace {
  display: flex;
  justify-content: center;
}

.pda-device {
  width: 360px;
  background: linear-gradient(145deg, #4c545e, #2d3238);
  border-radius: 28px 28px 40px 40px;
  padding: 18px 20px 24px 20px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6),
              inset 0 2px 2px rgba(255, 255, 255, 0.25),
              inset 0 -3px 5px rgba(0, 0, 0, 0.5);
  border: 2px solid #23272d;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  user-select: none;
}

.pda-speaker-grille {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.pda-speaker-grille span {
  width: 14px;
  height: 3px;
  background-color: #1a1c20;
  border-radius: 2px;
  box-shadow: inset 0 1px 1px #000, 0 1px 0 rgba(255, 255, 255, 0.1);
}

.pda-brand-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #8c97a5;
  text-shadow: 0 1px 1px #000;
  margin-bottom: 12px;
  font-style: italic;
}

/* Screen Bezel & Canvas */
.pda-screen-bezel {
  width: 320px;
  background-color: #181b1f;
  border-radius: 8px;
  padding: 12px;
  box-shadow: inset 0 3px 6px #000, 0 1px 2px rgba(255, 255, 255, 0.15);
  border: 1px solid #111316;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pda-screen {
  position: relative;
  background-color: #fff;
  border: 2px solid #0a0b0d;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.15);
  display: flex;
  justify-content: center;
  align-items: center;
}

#lemmingsCanvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  width: 296px;
  height: 296px;
  cursor: crosshair;
}

.drag-drop-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(14, 165, 233, 0.85);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  backdrop-filter: blur(2px);
  z-index: 10;
}

.drag-drop-overlay.hidden {
  display: none;
}

.overlay-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

/* Silk-screen Graffiti Area */
.pda-graffiti-area {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 10px;
  padding: 6px 4px;
  background: linear-gradient(180deg, #94a387 0%, #87977b 100%);
  border-radius: 4px;
  border: 1px solid #586350;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.graffiti-icon-btn {
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  opacity: 0.85;
}

.graffiti-icon-btn:hover {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.08);
}

.graffiti-icon-btn .icon {
  font-size: 1rem;
}

.graffiti-icon-btn .label {
  font-size: 0.6rem;
  font-weight: 700;
  color: #2b3624;
}

.graffiti-stroke-zones {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(0, 0, 0, 0.06);
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px dashed rgba(43, 54, 36, 0.4);
}

.stroke-zone {
  font-size: 0.75rem;
  font-weight: 700;
  font-family: monospace;
  color: #2b3624;
}

.stroke-divider {
  width: 1px;
  height: 18px;
  background-color: rgba(43, 54, 36, 0.4);
}

/* PDA Hardware Buttons */
.pda-hardware-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 18px;
  padding: 0 8px;
}

.hw-btn {
  width: 44px;
  height: 38px;
  background: linear-gradient(180deg, #5c646e 0%, #3a3f47 100%);
  border: 1px solid #23272d;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.2);
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.05s ease, box-shadow 0.05s ease;
}

.hw-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.6), inset 0 2px 3px rgba(0, 0, 0, 0.4);
}

.hw-rocker {
  display: flex;
  flex-direction: column;
  background: #2b3037;
  border-radius: 16px;
  padding: 3px;
  box-shadow: inset 0 2px 4px #000;
  border: 1px solid #1d2126;
}

.hw-rocker-btn {
  width: 42px;
  height: 24px;
  background: linear-gradient(180deg, #535b65 0%, #383e46 100%);
  border: 1px solid #252930;
  cursor: pointer;
  color: #adb5bd;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.3);
}

.rocker-up {
  border-radius: 14px 14px 4px 4px;
}

.rocker-down {
  border-radius: 4px 4px 14px 14px;
}

.hw-rocker-btn:active {
  background: #2b3036;
}

.pda-power-row {
  margin-top: 14px;
}

.hw-power-btn {
  width: 28px;
  height: 28px;
  background: linear-gradient(180deg, #4f5761, #2b3037);
  border: 1px solid #1a1d22;
  border-radius: 50%;
  color: #94a3b8;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.hw-power-btn:active {
  transform: scale(0.95);
}

/* Control Panel (Sidebar) */
.control-panel {
  flex: 1;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel-section {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.panel-section h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.button-group {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.mode-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background-color: #1e293b;
  border: 1px solid #334155;
  color: var(--text-dim);
  border-radius: 0.375rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mode-btn:hover {
  color: #fff;
  background-color: #334155;
}

.mode-btn.active {
  background-color: var(--accent-color);
  color: #0f172a;
  border-color: var(--accent-color);
}

.checkbox-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.checkbox-row label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.audio-controls {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.ctrl-btn {
  flex: 1;
  padding: 0.6rem 0.85rem;
  background-color: #1e293b;
  border: 1px solid #334155;
  color: #fff;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ctrl-btn:hover {
  background-color: #334155;
  border-color: #475569;
}

.small-btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

.warning-btn {
  background-color: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.warning-btn:hover {
  background-color: rgba(239, 68, 68, 0.3);
  border-color: #ef4444;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.slider-row input[type="range"] {
  flex: 1;
  accent-color: var(--accent-color);
}

.pack-selector-row {
  margin-bottom: 0.75rem;
}

.styled-select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background-color: #1e293b;
  border: 1px solid #334155;
  color: #fff;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}

.styled-select:focus {
  border-color: var(--accent-color);
}

.level-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.level-indicator {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
}

.custom-pdb-box {
  border: 2px dashed #334155;
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  background-color: rgba(15, 23, 42, 0.4);
  transition: border-color 0.15s ease;
}

.custom-pdb-box.drag-over {
  border-color: var(--accent-color);
  background-color: rgba(56, 189, 248, 0.05);
}

.custom-pdb-box p {
  margin-bottom: 0.5rem;
}

/* Telemetry Grid */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.stat-card {
  background-color: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 0.375rem;
  padding: 0.5rem;
  text-align: center;
}

.stat-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.stat-val {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: monospace;
  color: #38bdf8;
}

.game-btn-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

/* Lemming Tool Buttons */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem;
}

.tool-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.6rem;
  background-color: #1e242d;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tool-btn:hover:not(:disabled) {
  background-color: #2a323d;
  border-color: var(--accent-color);
}

.tool-btn.active {
  background-color: #0369a1;
  border-color: #38bdf8;
  color: #fff;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

.tool-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tool-count {
  font-family: monospace;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.1rem 0.35rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
}

/* Shortcuts */
.shortcut-list {
  list-style: none;
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.shortcut-list code {
  background-color: #0f172a;
  color: #38bdf8;
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  border: 1px solid #1e293b;
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.75rem;
  color: #64748b;
  border-top: 1px solid var(--border-color);
  background-color: var(--panel-bg);
  margin-top: auto;
}

.terms-notice {
  margin-top: 0.4rem;
  font-size: 0.7rem;
  color: #475569;
}