/* Custom Styles */
body {
  font-family: "Inter", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/*
  Visually hide an element while keeping it accessible to screen readers.
  Used for the labels on the manual input fields.
*/
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Custom Properties (Variables) */
:root {
  --color-gray-100: #f3f4f6;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-blue-400: #60a5fa;
  --color-blue-500: #3b82f6;
  --color-blue-600: #2563eb;
  --color-blue-700: #1d4ed8;
  --color-green-400: #4ade80;
  --color-green-500: #22c55e;
  --color-yellow-400: #facc15;
  --color-yellow-500: #eab308;
  --color-red-500: #ef4444;
  --color-red-600: #dc2626;
  --color-red-700: #b91c1c;
  --color-red-900: #450a0a;
}

/* Best Practice: Global Box Sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Slider Base - clears default appearance */
.control-slider {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  height: 20px; /* Explicit height for the slider component itself */
}
/* Custom slider track */
.control-slider::-webkit-slider-runnable-track {
  background: var(--color-gray-600);
  height: 8px;
  border-radius: 4px;
}
.control-slider::-moz-range-track {
  background: var(--color-gray-600);
  height: 8px;
  border-radius: 4px;
}

/* Custom slider thumb */
.control-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  margin-top: -6px; /* Center thumb */
  background: var(--color-gray-300);
  height: 20px;
  width: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-gray-600);
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
}
.control-slider::-webkit-slider-thumb:hover {
  background: var(--color-gray-100);
}
.control-slider::-moz-range-thumb {
  background: var(--color-gray-300);
  height: 20px;
  width: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-gray-600);
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
}
.control-slider::-moz-range-thumb:hover {
  background: var(--color-gray-100);
}

/* Disabled state for sliders */
.control-slider:disabled::-webkit-slider-thumb {
  background: var(--color-gray-600);
  border-color: var(--color-gray-700);
  cursor: not-allowed;
}
.control-slider:disabled::-moz-range-thumb {
  background: var(--color-gray-600);
  border-color: var(--color-gray-700);
  cursor: not-allowed;
}
.control-slider:disabled {
  cursor: not-allowed;
}

/* Style for number input */
input[type="number"] {
  -moz-appearance: textfield; /* Firefox */
  appearance: textfield; /* Standard property */
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"]:disabled {
  background: var(--color-gray-600);
  border-color: var(--color-gray-700);
  cursor: not-allowed;
  color: var(--color-gray-400);
}

/* Tab styles */
.tab-btn {
  border-bottom: 2px solid transparent; /* Default transparent border */
  border-top-left-radius: 0.5rem;
  border-top-right-radius: 0.5rem;
  margin-right: 0.25rem; /* Space between tabs */
}
.tab-btn.active {
  color: #fff;
  background-color: var(--color-gray-700);
  border-top: 1px solid var(--color-blue-500);
  border-left: 1px solid var(--color-blue-500);
  border-right: 1px solid var(--color-blue-500);
  border-bottom-width: 2px;
  border-bottom-color: var(--color-blue-500);
  z-index: 10; /* Bring active tab to front to overlap main border */
}
.tab-btn:not(.active) {
  border-top: 1px solid var(--color-gray-600);
  border-left: 1px solid var(--color-gray-600);
  border-right: 1px solid var(--color-gray-600);
  border-bottom: 2px solid var(--color-gray-600);
}
.tab-btn:not(.active):hover {
  border-top-color: var(--color-gray-500);
  border-left-color: var(--color-gray-500);
  border-right-color: var(--color-gray-500);
}

/* The container for tab content, adjusted to fit with tabs */
.tab-content-wrapper {
  background-color: var(--color-gray-700);
  --tw-shadow: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  box-shadow:
    var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000),
    var(--tw-shadow);
  padding: 1.5rem;
  border-top-right-radius: 0.5rem; /* Matches top-right of active tab */
  border-bottom-left-radius: 0.5rem;
  border-bottom-right-radius: 0.5rem;
  border: 1px solid var(--color-gray-600);
  border-top: none; /* Active tab provides top line */
  min-height: 420px; /* Consistent height */
  position: relative;
  top: -2px; /* Pull it up to hide the bottom border of the active tab */
  z-index: 5;
}

.tab-content {
  display: none; /* Hidden by default */
}
.tab-content.active {
  display: block; /* Shown when active */
}

/* Spinning turbine animation */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
.turbine-graphic {
  animation: spin 5s linear infinite;
  animation-play-state: paused; /* Paused by default */
}

/* Turbine Stress Flash Animation */
@keyframes flash-red-color {
  50% {
    color: var(--color-red-500);
  }
}
.turbine-stress {
  animation:
    spin 5s linear infinite,
    flash-red-color 1.5s ease-in-out infinite;
}

/* Monospace font for log */
.font-mono {
  font-family:
    "ui-monospace", "SFMono-Regular", "Menlo", "Monaco", "Consolas",
    "Liberation Mono", "Courier New", monospace;
}

/* Log panel scroll */
#log-history {
  height: 300px; /* Fixed height for log history */
  overflow-y: auto;
}

/* Fuel Health Progress Bar */
.progress-bar-bg {
  width: 100%;
  background-color: var(--color-gray-800);
  border-radius: 9999px;
  height: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-gray-600);
}
.progress-bar-fill {
  background-color: var(--color-green-500);
  height: 100%;
  border-radius: 9999px;
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 300ms;
  transition-timing-function: linear;
}
.progress-bar-fill.warning {
  background-color: var(--color-yellow-500);
}
.progress-bar-fill.critical {
  background-color: var(--color-red-600);
}

/* Core Layout Schematic Styles */
.core-schematic-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr); /* 7x7 grid */
  gap: 10px; /* Increased gap for bigger squares */
  background-color: var(--color-gray-900);
  padding: 8px;
  border-radius: 8px;
  border: 2px solid var(--color-gray-600);
  max-width: 900px; /* Increased max-width for a larger grid */
  margin: 0;
}
.core-schematic-cell {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 2rem;
  border-radius: 0.125rem;
  border: 1px solid var(--color-gray-900);
  cursor: pointer;
  aspect-ratio: 1 / 1; /* Make cells square */
  transition: all 0.1s ease-in-out;
  /* Use box-shadow for selection to avoid layout shift */
  box-shadow: 0 0 0 0px transparent;
}
.schematic-fuel {
  border-color: #b45309;
  color: #78350f;
  background: linear-gradient(
    145deg,
    var(--color-yellow-400),
    var(--color-yellow-500)
  );
}
.schematic-rod {
  border-color: var(--color-gray-700);
  color: var(--color-gray-100);
  background: linear-gradient(
    145deg,
    var(--color-gray-500),
    var(--color-gray-700)
  );
}
.schematic-rod.locked {
  /* A more obvious visual indicator for locked rods */
  background: var(--color-blue-600); /* Solid, bright blue */
  border-color: var(--color-blue-400); /* Lighter blue border */
  color: white; /* Ensure text is visible */
  /* Add a glow effect to make it pop */
  box-shadow:
    0 0 6px 2px var(--color-blue-500),
    inset 0 0 4px var(--color-blue-400);
}

.core-schematic-cell.selected {
  /* Use box-shadow (which doesn't affect layout) instead of border-width */
  box-shadow: 0 0 0 3px var(--color-blue-500);
  z-index: 10;
  position: relative; /* Needed for z-index */
}
.schematic-empty {
  background-color: #1e40af;
  border-color: #1e3a8a;
  cursor: not-allowed;
}

/* Energy Storage Visualization */
.energy-storage-bg {
  width: 100%;
  height: 2rem; /* Taller bar */
  background-color: var(--color-gray-900);
  border: 2px solid var(--color-gray-600);
  border-radius: 0.375rem; /* rounded-md */
  overflow: hidden;
  position: relative;
}
.energy-storage-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(
    to right,
    var(--color-yellow-500),
    var(--color-yellow-400)
  );
  transition: width 0.5s linear;
  border-radius: 0.25rem; /* Slightly smaller radius to fit inside */
}
.energy-storage-fill.discharging {
  background: linear-gradient(
    to right,
    var(--color-blue-500),
    var(--color-blue-400)
  );
  animation: pulse-blue 1.5s infinite;
}
.energy-storage-panel.warning {
  background-color: #422006; /* A dark orange */
  border-color: var(--color-yellow-500);
}
.energy-storage-panel.critical {
  background-color: var(--color-red-900);
  border-color: var(--color-red-600);
  animation: flash-red 1.5s infinite;
}
.energy-storage-panel.damaged {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-500);
  opacity: 0.8;
}

@keyframes pulse-blue {
  50% {
    opacity: 0.75;
  }
}

/* Steam Tank Visualization */
.steam-tank-bg {
  width: 100%;
  height: 10rem; /* Reduced from 16rem to make it more compact */
  background-color: var(--color-gray-800);
  border-width: 2px;
  border-color: var(--color-gray-500);
  border-radius: 0.5rem;
  overflow: hidden;
  position: relative;
  --tw-shadow: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  box-shadow:
    var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000),
    var(--tw-shadow);
}
.steam-tank-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 300ms;
  transition-timing-function: linear;
  background: linear-gradient(
    to top,
    var(--color-blue-500),
    var(--color-blue-400)
  );
}
.steam-tank-fill.optimal {
  background: linear-gradient(
    to top,
    var(--color-green-500),
    var(--color-green-400)
  );
}
.steam-tank-fill.warning {
  background: linear-gradient(
    to top,
    var(--color-yellow-500),
    var(--color-yellow-400)
  );
}
.steam-tank-fill.critical {
  background: linear-gradient(
    to top,
    var(--color-red-600),
    var(--color-red-500)
  );
  animation: pulse 1s infinite;
}
/* Simple pulse animation for critical steam */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Cooling Loop Schematic Styles */
.loop-schematic {
  stroke-width: 4;
}
.loop1-pipe {
  stroke: #ec4899; /* pink-500 */
}
.loop2-pipe {
  stroke: #22d3ee; /* cyan-400 */
}
.redundant-pipe {
  stroke: #a855f7; /* purple-500 */
  stroke-dasharray: 8 4;
}
.component {
  fill: var(--color-gray-600);
  stroke: var(--color-gray-400);
  stroke-width: 1;
}
.pump {
  fill: var(--color-red-600);
  stroke: var(--color-blue-400);
  stroke-width: 2;
  transition: fill 0.3s ease;
}
.pump.on {
  fill: var(--color-green-500);
} /* Change fill on .on class */
.pump-text {
  fill: #e5e7eb;
  font-size: 10px;
  font-family: monospace;
  user-select: none;
}
.component-text {
  fill: #e5e7eb;
  font-size: 12px;
  font-weight: bold;
  text-anchor: middle;
  user-select: none;
}

/* Pump control buttons */
.pump-control-btn {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 700;
  border-radius: 0.25rem;
  --tw-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  box-shadow:
    var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000),
    var(--tw-shadow);
  transition-property:
    color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
  outline: 2px solid transparent;
  outline-offset: 2px;
  --tw-ring-offset-width: 2px;
  --tw-ring-offset-color: var(--color-gray-700);
}
.pump-control-btn.on {
  background-color: var(--color-green-500);
  color: #fff;
  --tw-ring-color: var(--color-green-400);
}
.pump-control-btn.on:hover {
  background-color: var(--color-green-500);
}
.pump-control-btn.off {
  background-color: var(--color-red-700);
  color: #fff;
  --tw-ring-color: var(--color-red-500);
}
.pump-control-btn.off:hover {
  background-color: var(--color-red-600);
}

/* Media query for mobile-specific adjustments */
@media (max-width: 768px) {
  .pump-control-btn {
    /* Increase padding for a larger touch target on mobile */
    padding-top: 0.75rem; /* 12px */
    padding-bottom: 0.75rem; /* 12px */
    font-size: 1rem; /* 16px */
  }
}

/* Operator Manual Accordion */
.manual-section summary {
  border: 1px solid var(--color-gray-600);
}
.manual-section summary::-webkit-details-marker {
  display: none;
} /* Hide marker in Chrome/Safari */

.manual-content {
  background-color: var(--color-gray-800);
  padding: 1rem;
  border: 1px solid var(--color-gray-600);
  border-top-width: 0;
  border-bottom-left-radius: 0.5rem;
  border-bottom-right-radius: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
}
/* Add arrow indicator */
.manual-section summary::after {
  content: "▼"; /* Down arrow */
  font-size: 0.8em;
  margin-left: 10px;
  transition: transform 0.2s ease-in-out;
}
.manual-section[open] summary::after {
  transform: rotate(180deg); /* Up arrow */
}

/* Nudge buttons */
.nudge-btn {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  padding-top: 0.125rem;
  padding-bottom: 0.125rem;
  background-color: var(--color-gray-600);
  color: #fff;
  font-weight: 700;
  border-radius: 0.25rem;
  font-size: 1.125rem;
  line-height: 1.75rem;
  outline: 2px solid transparent;
  outline-offset: 2px;
  --tw-ring-color: var(--color-gray-400);
  --tw-ring-width: 1px;
  min-width: 30px; /* Ensure buttons have some width */
}

/* Master Alarm Flash */
@keyframes flash-red {
  0%,
  100% {
    background-color: var(--color-red-900);
  }
  50% {
    background-color: var(--color-red-600);
  }
}
.master-alarm {
  animation: flash-red 1s infinite;
  border-radius: 0.5rem; /* rounded-lg */
}

/* Startup Button Pulse Animation */
@keyframes pulse-green {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7); /* green-400 w/ opacity */
  }
  70% {
    box-shadow: 0 0 0 10px rgba(74, 222, 128, 0);
  }
}
.pulse-startup {
  animation: pulse-green 2s infinite;
}

/* Rod Movement Status Flash */
@keyframes flash-status {
  50% {
    opacity: 0.3;
  }
}
.status-flashing {
  animation: flash-status 1s infinite;
}

/* Painfully Obvious Rod Movement Flash */
@keyframes flash-rod-moving {
  50% {
    background: var(--color-red-600);
    box-shadow: 0 0 8px 4px var(--color-red-500);
  }
}
.rod-moving-flash {
  animation: flash-rod-moving 0.8s ease-in-out infinite;
}

/* SCRAM Button Flash Animation */
@keyframes flash-scram {
  0%,
  100% {
    background-color: var(--color-red-700);
    box-shadow: 0 0 12px 6px var(--color-red-500);
  }
  50% {
    background-color: var(--color-yellow-500);
    box-shadow: 0 0 12px 6px var(--color-yellow-400);
  }
}
.scram-active-flash {
  animation: flash-scram 0.5s infinite;
}

/* Synchroscope Button Pulse */
@keyframes pulse-yellow {
  50% {
    box-shadow: 0 0 12px 4px var(--color-yellow-400);
  }
}
.sync-ready-pulse {
  animation: pulse-yellow 1.5s infinite;
}

/* Email Notification Pulse */
@keyframes pulse-dot {
  50% {
    transform: scale(1.25);
    box-shadow: 0 0 8px var(--color-cyan-400);
  }
}
.email-dot-pulse {
  animation: pulse-dot 1.5s ease-in-out infinite;
}
@keyframes pulse-logo {
  /* Praxis Logo Pulse */
  50% {
    transform: scale(1.03);
    opacity: 0.9;
  }
}
.logo-pulse {
  /* A slow, subtle pulse for the logo */
  animation: pulse-logo 4s ease-in-out infinite;
}

/* SCRAM Button Safety Lid */
.scram-lid {
  position: absolute;
  inset: 0;
  background-color: rgba(220, 38, 38, 0.6); /* red-600 with opacity */
  border: 2px solid var(--color-red-400);
  border-radius: 0.5rem; /* rounded-lg */
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    transform 0.3s ease,
    background-color 0.3s ease;
  transform-origin: top;
  backdrop-filter: blur(2px);
}
.scram-lid.open {
  transform: perspective(500px) rotateX(-110deg);
  background-color: rgba(220, 38, 38, 0.2);
  pointer-events: none; /* Allows clicking the button underneath */
}

/* Automation Active Flash */
@keyframes flash-auto {
  50% {
    opacity: 0.6;
  }
}
.auto-active-flash {
  animation: flash-auto 1.2s infinite;
}

/* Toast Animations */
@keyframes toast-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
.toast-enter {
  animation: toast-in 0.5s forwards;
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}
.toast-exit {
  animation: toast-out 0.5s forwards;
}

/* Achievement Progress Bar */
.achievement-progress-bar-bg {
  width: 100%;
  background-color: var(--color-gray-900);
  border-radius: 9999px;
  height: 0.5rem; /* 8px */
  overflow: hidden;
  border: 1px solid var(--color-gray-700);
}
.achievement-progress-bar-fill {
  background-color: var(--color-blue-500);
  height: 100%;
  border-radius: 9999px;
  transition: width 0.5s linear;
}

/* Synchroscope Styles */
.synchroscope {
  width: 300px;
  height: 300px;
}
.synchroscope-bg {
  fill: var(--color-gray-900);
  stroke: var(--color-gray-500);
  stroke-width: 2;
}
.synchroscope-inner-bg {
  fill: var(--color-gray-800);
}
.synchroscope-text {
  fill: var(--color-gray-400);
  font-family: monospace;
  font-size: 14px;
  text-anchor: middle;
}
.synchroscope-marker {
  stroke: var(--color-gray-400);
  stroke-width: 2;
}
.synchroscope-sync-marker-text {
  fill: var(--color-green-400);
  font-size: 24px;
  text-anchor: middle;
}
.synchroscope-needle {
  stroke: var(--color-yellow-400);
  stroke-width: 3;
  stroke-linecap: round;
  transform-origin: center;
  transition: filter 0.3s ease-in-out; /* Smooth transition for the glow */
}

/* Synchroscope Needle Glow Animation */
@keyframes glow-needle {
  to {
    filter: drop-shadow(0 0 6px var(--color-yellow-400));
  }
}
.synchroscope-needle.sync-glow {
  animation: glow-needle 1s ease-in-out infinite alternate;
}

/* Debug Menu Styles */
.debug-only {
  display: none;
}
.debug-only.visible {
  display: block; /* For the tab content */
}
/* Special case for the tab button which is a flex item */
.tab-btn.debug-only.visible {
  display: flex;
}

.debug-control-group {
  display: flex;
  align-items: center;
  gap: 0.75rem; /* space-x-3 */
  background-color: var(--color-gray-800);
  padding: 0.75rem;
  border-radius: 0.5rem; /* rounded-lg */
  border: 1px solid var(--color-gray-600);
}
.debug-input {
  background-color: var(--color-gray-900);
  border: 1px solid var(--color-gray-500);
  border-radius: 0.375rem; /* rounded-md */
  color: white;
}