:root {
  --bg-color: #020409;
  --panel-bg: rgba(10, 18, 35, 0.5);
  --panel-border: rgba(67, 137, 255, 0.2);
  --panel-border-glow: rgba(67, 137, 255, 0.4);
  
  --accent-primary: #4389ff;
  --accent-secondary: #00e0ff;
  --accent-glow: rgba(0, 224, 255, 0.5);

  --text-primary: #e0e8ff;
  --text-secondary: #8a9bc0;
  --text-header: #ffffff;
  --text-dark: #020409;

  --font-body: 'Inter', sans-serif;
  --font-heading: 'Exo 2', sans-serif;

  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-glow: 0 0 24px var(--accent-glow);
}

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

body {
  min-height: 100vh;
  background-color: var(--bg-color);
  background-image: url('./background.png');
  background-size: cover;
  background-position: center;
  font-family: var(--font-body);
  color: var(--text-primary);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

/* --- Toast Notification --- */
.bsa-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translate(-50%, 150%);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    background-color: var(--panel-bg);
    border: 1px solid var(--panel-border-glow);
    color: var(--text-primary);
    font-size: 0.9rem;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out;
    opacity: 0;
}
.bsa-toast.show {
    transform: translate(-50%, 0);
    opacity: 1;
}
.bsa-toast.toast-success { border-color: #51cf66; color: #51cf66; }
.bsa-toast.toast-error { border-color: #ff6b6b; color: #ff6b6b; }
.bsa-toast.toast-warn { border-color: #fcc419; color: #fcc419; }
.bsa-toast.toast-info { border-color: var(--accent-secondary); color: var(--accent-secondary); }


.bsa-root {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  transition: filter 0.5s ease;
}

.bsa-root.powered-off .dashboard-grid {
    filter: grayscale(1) brightness(0.4);
    pointer-events: none;
    transition: filter 0.5s ease;
}

.bsa-root.powered-off .power-switch-container {
    filter: none;
    pointer-events: all;
}


.dashboard-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  align-items: start;
  height: calc(100vh - 48px);
}

.grid-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-height: 100%;
}

.column-left {
    overflow-y: auto;
    padding-right: 10px; /* for scrollbar */
}
.column-left::-webkit-scrollbar {
  width: 4px;
}
.column-left::-webkit-scrollbar-track {
  background: transparent;
}
.column-left::-webkit-scrollbar-thumb {
  background: var(--panel-border-glow);
  border-radius: 4px;
}


.column-right {
    overflow-y: auto;
    padding-right: 10px; /* for scrollbar */
}
.column-right::-webkit-scrollbar {
  width: 4px;
}
.column-right::-webkit-scrollbar-track {
  background: transparent;
}
.column-right::-webkit-scrollbar-thumb {
  background: var(--panel-border-glow);
  border-radius: 4px;
}


.bsa-main-header {
  text-align: center;
}
.bsa-main-header h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-header);
  text-shadow: 0 0 10px var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.bsa-main-header .subtitle { 
  color: var(--text-secondary); 
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  margin-top: 4px;
}
.bsa-main-header .quote {
  font-family: var(--font-heading);
  color: var(--accent-secondary);
  font-size: 0.9rem;
  margin-top: 8px;
  letter-spacing: 0.05em;
}


.bsa-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: all 0.3s ease;
}
.bsa-panel:hover {
    border-color: var(--panel-border-glow);
}

.panel-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 12px;
}

/* --- Left Column --- */

.link-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.profile-card { width: 100%; }
.profile-header {
    margin-bottom: 12px;
}
.profile-header h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.img-preview-container {
    width: 100%;
    aspect-ratio: 1 / 1;
    border: 1px dashed var(--panel-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    background: rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}
.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
    color: var(--text-secondary);
}
.upload-placeholder .upload-icon { font-size: 2.5rem; }
.upload-placeholder small { font-size: 0.8rem; }

.img-preview { 
    width: 100%; height: 100%; 
    object-fit: cover;
    display: none;
    position: absolute;
    opacity: 0.7;
}
.img-preview[src] { display: block; }
.img-preview[src] + .upload-placeholder { display: none; }
.img-preview-container:hover .bsa-upload-btn {
    opacity: 1;
}

.bsa-upload-btn {
    z-index: 1;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--panel-border-glow);
    background: var(--panel-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}
.bsa-upload-btn:hover { background-color: var(--accent-primary); border-color: var(--accent-primary); }
.visually-hidden { display: none; }

.link-visualizer { display: flex; align-items: center; width: 100%; position: relative; }
.link-line { flex-grow: 1; height: 1px; background: var(--panel-border); }
#link-canvas {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 60px; /* height of visualization area */
    transform: translateY(-50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}
#link-canvas.active {
    opacity: 1;
}
.link-status-indicator {
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    border: 1px solid;
    transition: all 0.3s ease;
    z-index: 1; /* Keep above canvas */
}
.link-status-indicator.offline { color: #ff6b6b; border-color: #ff6b6b; }
.link-status-indicator.connecting { color: #fcc419; border-color: #fcc419; animation: pulse-yellow 1.5s infinite; }
.link-status-indicator.online { color: #51cf66; border-color: #51cf66; box-shadow: 0 0 8px #51cf66; animation: pulse-green 2s infinite; }

@keyframes pulse-green {
    0% { box-shadow: 0 0 8px rgba(81, 207, 102, 0.5); }
    50% { box-shadow: 0 0 16px rgba(81, 207, 102, 1); }
    100% { box-shadow: 0 0 8px rgba(81, 207, 102, 0.5); }
}
@keyframes pulse-yellow {
    0% { box-shadow: 0 0 6px rgba(252, 196, 25, 0.4); }
    50% { box-shadow: 0 0 12px rgba(252, 196, 25, 0.8); }
    100% { box-shadow: 0 0 6px rgba(252, 196, 25, 0.4); }
}


.system-status-panel .status-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}
.status-item label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.status-item div {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--accent-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- Right Column (Controls) --- */
.top-controls {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    padding: 0 8px 16px;
}

.power-switch-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
    font-family: var(--font-heading);
}

.bsa-icon-btn {
    background: transparent;
    border: 1px solid var(--panel-border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.2s ease;
}
.bsa-icon-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.power-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.power-switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}

.power-switch .slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255,255,255,0.1);
  transition: .4s;
  border-radius: 26px;
  border: 1px solid var(--panel-border);
}

.power-switch .slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 3px;
  background-color: var(--text-secondary);
  transition: .4s;
  border-radius: 50%;
}

.power-switch input:checked + .slider {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
}

.power-switch input:checked + .slider:before {
  transform: translateX(24px);
  background-color: white;
}


/* Target Vitals Panel */
.target-vitals-panel .vitals-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.vital-item {
    display: grid;
    grid-template-columns: 100px 1fr 50px;
    align-items: center;
    gap: 12px;
}
.vital-item label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: right;
}
.vital-bar-container {
    width: 100%;
    height: 8px;
    background: rgba(0,0,0,0.3);
    border-radius: 4px;
    border: 1px solid var(--panel-border);
    overflow: hidden;
}
.vital-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 4px;
    transition: width 0.5s ease-out;
    box-shadow: 0 0 8px var(--accent-glow);
}
#vital-resistance .vital-bar {
    background: linear-gradient(90deg, #fcc419, #ff6b6b);
}
#vital-compliance .vital-bar {
     background: linear-gradient(90deg, #51cf66, #94d82d);
}
.vital-value {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: 1rem;
    text-align: left;
}


.tab-nav {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--panel-border);
    margin: -20px -20px 20px -20px;
    padding: 0 20px;
    flex-wrap: wrap;
}
.tab-btn {
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent-secondary); font-weight: 700; }
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-secondary);
    box-shadow: 0 0 8px var(--accent-secondary);
}

.tab-content {
    /* min-height removed to allow natural flow */
    /* overflow-y removed, column handles scrolling */
    /* max-height removed */
}
.tab-pane {
    display: none;
    flex-direction: column;
    gap: 24px;
}
.tab-pane.active { display: flex; }


/* --- Generic Controls --- */
.bsa-input {
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--panel-border);
  background: rgba(0,0,0,0.3);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.2s ease;
}
.bsa-input:focus { border-color: var(--accent-primary); box-shadow: 0 0 8px rgba(67, 137, 255, 0.5); }
.bsa-textarea { resize: vertical; min-height: 90px; }

.control-group { display: flex; flex-direction: column; gap: 12px; }
.control-group > label, .sub-group > label {
    font-size: 1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-heading);
}
.slider-value { color: var(--accent-secondary); font-weight: 500; }
.sub-group { display: flex; flex-direction: column; gap: 8px; padding-left: 16px; border-left: 2px solid var(--panel-border); }

.bsa-slider { 
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--panel-border);
    border-radius: 2px;
    outline: none;
}
.bsa-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-secondary);
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-glow);
}
.bsa-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent-secondary);
    cursor: pointer;
    border-radius: 50%;
    border: none;
    box-shadow: 0 0 8px var(--accent-glow);
}

.btn-group { display: flex; flex-wrap: wrap; gap: 8px; }
.bsa-btn {
  flex-grow: 1;
  padding: 10px;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.bsa-btn:hover { border-color: var(--accent-primary); color: var(--text-primary); }
.bsa-btn.selected {
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
  background: rgba(0, 224, 255, 0.1);
}
.current-value { font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; }

.preset-category h3 { color: var(--accent-primary); margin-bottom: 12px; font-size: 1rem; border-bottom: 1px solid var(--panel-border); padding-bottom: 8px; }
.preset-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
.preset-grid.small { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
.preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--panel-border);
  background: rgba(0,0,0,0.2);
  color: var(--text-secondary);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.8rem;
  min-height: 80px;
}
.preset-btn span { font-size: 1.5rem; line-height: 1; }
.preset-btn small { font-size: 0.7rem; color: var(--accent-primary); opacity: 0.8; }
.preset-btn:hover { border-color: var(--accent-primary); color: var(--text-primary); transform: translateY(-2px); }
.preset-btn.selected {
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
  background: rgba(0, 224, 255, 0.1);
  transform: scale(1.05);
  box-shadow: 0 0 10px rgba(0, 224, 255, 0.3);
}

.transmission-controls { display: grid; grid-template-columns: 1fr 1fr auto; gap: 16px; align-items: end; margin-top: 16px; }
.slider-wrapper { display: flex; flex-direction: column; gap: 8px; }

.bsa-primary-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: none;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  color: var(--text-dark);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 0 16px var(--accent-glow);
  transition: all 0.2s ease;
}
.bsa-primary-btn:hover { filter: brightness(1.15); box-shadow: 0 0 24px var(--accent-glow); transform: translateY(-2px); }
.bsa-primary-btn:active { transform: translateY(0); box-shadow: 0 0 12px var(--accent-glow); }
.bsa-primary-btn.compact { padding: 10px; font-size: 0.8rem; letter-spacing: 0.05em; }
.full-width { width: 100%; }

.bsa-primary-btn.broadcasting {
    background: linear-gradient(90deg, #51cf66, #69db7c);
    box-shadow: 0 0 24px rgba(81, 207, 102, 0.7);
}

.bsa-primary-btn:disabled {
    background: var(--panel-border);
    color: var(--text-secondary);
    cursor: not-allowed;
    box-shadow: none;
    filter: none;
    transform: none;
}

/* Intention Tab Specifics */
.intention-divider {
    height: 1px;
    width: 100%;
    background: var(--panel-border);
    margin: 8px 0;
}
.media-upload-group {
    background: rgba(0,0,0,0.15);
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--panel-border);
}
.upload-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: -8px;
    margin-bottom: 8px;
}

.system-log-panel.hidden {
    display: none;
}

/* System Log Panel */
.system-log-panel .log-output {
    height: 200px;
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--panel-border);
    padding: 12px;
    overflow-y: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.log-output::-webkit-scrollbar {
  width: 4px;
}
.log-output::-webkit-scrollbar-track {
  background: transparent;
}
.log-output::-webkit-scrollbar-thumb {
  background: var(--panel-border-glow);
  border-radius: 4px;
}
.log-output p {
    margin: 0;
    line-height: 1.4;
    color: var(--text-secondary);
}
.log-output .log-success { color: #51cf66; }
.log-output .log-error { color: #ff6b6b; }
.log-output .log-warn { color: #fcc419; }
.log-output .log-info { color: var(--accent-secondary); }


#file-upload-status {
    min-height: 1.2em;
}

@media (max-width: 1200px) {
  .dashboard-grid { grid-template-columns: 320px 1fr; }
}


@media (max-width: 1024px) {
  body { overflow: auto; }
  .dashboard-grid { 
    grid-template-columns: 1fr;
    height: auto;
  }
  .column-right { 
      grid-row: 2; 
      overflow-y: visible;
      padding-right: 0;
  }
  .tab-content { max-height: none; }
}

@media (max-width: 600px) {
  .bsa-root { padding: 16px; }
  .dashboard-grid, .grid-column { gap: 16px; }
  .transmission-controls { grid-template-columns: 1fr; }
  .preset-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .tab-nav { justify-content: center; }
  .tab-btn { padding: 10px 8px; font-size: 0.8rem; }
}