@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;700&display=swap');

/* ==========================================================================
   DESIGN TOKENS & SYSTEM BASE
   ========================================================================== */
:root {
  /* Theme Colors */
  --bg-primary: #0e0e10;
  --bg-secondary: #161619;
  --bg-tertiary: #202024;
  
  --text-primary: #ffffff;
  --text-secondary: #a3a3ac;
  --text-muted: #62626a;
  
  /* State Colors */
  --color-idle: #4c4c54;
  --color-idle-rgb: 76, 76, 84;
  
  --color-standby: #ffaa00;
  --color-standby-rgb: 255, 170, 0;
  
  --color-go: #00ff66;
  --color-go-rgb: 0, 255, 102;
  
  --color-success: #00f0ff;
  --color-success-rgb: 0, 240, 255;
  
  --color-foul: #ff3344;
  --color-foul-rgb: 255, 51, 68;

  --color-too-slow: #ff6600;
  --color-too-slow-rgb: 255, 102, 0;

  /* Typography */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Borders and Border Radius */
  --border-subtle: 1px solid rgba(255, 255, 255, 0.08);
  --border-focus: 2px solid var(--color-success);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Set Browser Color Scheme UI */
  color-scheme: dark;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  accent-color: var(--color-success);
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   APP HEADER
   ========================================================================== */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background-color: rgba(22, 22, 25, 0.6);
  backdrop-filter: blur(12px);
  border-bottom: var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-success), var(--color-success-rgb));
  display: grid;
  place-items: center;
  box-shadow: 0 0 15px rgba(0, 255, 102, 0.3);
}

.logo-icon svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: var(--bg-primary);
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* Primary Utility Buttons */
.btn {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  outline: none;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border: var(--border-subtle);
}

.btn-secondary:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:focus-visible {
  outline: var(--border-focus);
  outline-offset: 2px;
}

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

/* ==========================================================================
   MAIN DASHBOARD GRID
   ========================================================================== */
.app-container {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 380px;
  min-height: calc(100vh - 73px);
  position: relative;
}

@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
  }
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem 2rem;
  overflow-y: auto;
  gap: 2rem;
}

/* ==========================================================================
   REACTIVE INDICATOR (THE CENTRAL RING)
   ========================================================================== */
.indicator-viewport {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.trigger-zone {
  position: relative;
  width: min(340px, 70vw);
  aspect-ratio: 1;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  border: 4px solid var(--color-idle);
  box-shadow: 0 0 30px rgba(var(--color-idle-rgb), 0.15),
              inset 0 0 20px rgba(0, 0, 0, 0.6);
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
}

.trigger-zone::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.05);
  pointer-events: none;
  transition: all var(--transition-normal);
}

/* Indicator Typography */
.trigger-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.trigger-value {
  font-size: clamp(2rem, 3.5rem, 5rem);
  font-weight: 800;
  line-height: 1;
  text-align: center;
  transition: transform var(--transition-bounce), color var(--transition-fast);
}

.trigger-subtext {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  max-width: 80%;
  transition: color var(--transition-fast);
}

/* Dynamic Indicator State Overrides */

/* --- IDLE STATE --- */
.trigger-zone.state-idle {
  border-color: var(--color-idle);
  box-shadow: 0 0 20px rgba(var(--color-idle-rgb), 0.1),
              inset 0 0 20px rgba(0, 0, 0, 0.6);
  animation: pulse-idle 3s infinite ease-in-out;
}
.trigger-zone.state-idle .trigger-label { color: var(--text-muted); }
.trigger-zone.state-idle .trigger-value { color: var(--text-secondary); }
.trigger-zone.state-idle .trigger-subtext { color: var(--text-muted); }

/* --- STANDBY STATE (TAKE YOUR MARKS) --- */
.trigger-zone.state-standby {
  border-color: var(--color-standby);
  box-shadow: 0 0 40px rgba(var(--color-standby-rgb), 0.35),
              inset 0 0 30px rgba(var(--color-standby-rgb), 0.15),
              inset 0 0 25px rgba(0, 0, 0, 0.8);
  animation: blink-standby 0.8s infinite alternate ease-in-out;
}
.trigger-zone.state-standby::before {
  border-color: rgba(var(--color-standby-rgb), 0.2);
}
.trigger-zone.state-standby .trigger-label { color: var(--color-standby); }
.trigger-zone.state-standby .trigger-value { color: var(--text-primary); }
.trigger-zone.state-standby .trigger-subtext { color: var(--text-secondary); }

/* --- GO STATE --- */
.trigger-zone.state-go {
  border-color: var(--color-go);
  box-shadow: 0 0 50px rgba(var(--color-go-rgb), 0.5),
              inset 0 0 30px rgba(var(--color-go-rgb), 0.2),
              inset 0 0 25px rgba(0, 0, 0, 0.8);
  transform: scale(1.03);
}
.trigger-zone.state-go::before {
  border-color: rgba(var(--color-go-rgb), 0.3);
}
.trigger-zone.state-go .trigger-label { color: var(--color-go); }
.trigger-zone.state-go .trigger-value { color: var(--color-go); }
.trigger-zone.state-go .trigger-subtext { color: var(--text-primary); }

/* --- SUCCESS STATE --- */
.trigger-zone.state-success {
  border-color: var(--color-success);
  box-shadow: 0 0 50px rgba(var(--color-success-rgb), 0.45),
              inset 0 0 30px rgba(var(--color-success-rgb), 0.2),
              inset 0 0 25px rgba(0, 0, 0, 0.8);
  animation: pop-bounce var(--transition-bounce);
}
.trigger-zone.state-success::before {
  border-color: rgba(var(--color-success-rgb), 0.3);
}
.trigger-zone.state-success .trigger-label { color: var(--color-success); }
.trigger-zone.state-success .trigger-value { color: var(--text-primary); }
.trigger-zone.state-success .trigger-subtext { color: var(--text-secondary); }

/* --- FOUL STATE --- */
.trigger-zone.state-foul {
  border-color: var(--color-foul);
  box-shadow: 0 0 50px rgba(var(--color-foul-rgb), 0.45),
              inset 0 0 30px rgba(var(--color-foul-rgb), 0.2),
              inset 0 0 25px rgba(0, 0, 0, 0.8);
  animation: shake-error 0.4s ease-in-out;
}
.trigger-zone.state-foul::before {
  border-color: rgba(var(--color-foul-rgb), 0.3);
}
.trigger-zone.state-foul .trigger-label { color: var(--color-foul); }
.trigger-zone.state-foul .trigger-value { color: var(--color-foul); }
.trigger-zone.state-foul .trigger-subtext { color: var(--text-primary); }

/* --- TOO SLOW STATE --- */
.trigger-zone.state-too-slow {
  border-color: var(--color-too-slow);
  box-shadow: 0 0 45px rgba(var(--color-too-slow-rgb), 0.4),
              inset 0 0 35px rgba(var(--color-too-slow-rgb), 0.15),
              inset 0 0 25px rgba(0, 0, 0, 0.8);
  animation: pop-bounce var(--transition-bounce);
}
.trigger-zone.state-too-slow::before {
  border-color: rgba(var(--color-too-slow-rgb), 0.25);
}
.trigger-zone.state-too-slow .trigger-label { color: var(--color-too-slow); }
.trigger-zone.state-too-slow .trigger-value { color: var(--color-too-slow); }
.trigger-zone.state-too-slow .trigger-subtext { color: var(--text-secondary); }

/* Action Button overlay underneath indicator */
.action-instructions {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 2rem;
  gap: 0.75rem;
}

.btn-primary {
  background-color: var(--color-success);
  color: var(--bg-primary);
  font-size: 1.1rem;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0, 255, 102, 0.35);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.btn-primary:hover:not(:disabled) {
  background-color: #00ff88;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 255, 102, 0.5);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:focus-visible {
  outline: 3px solid var(--text-primary);
  outline-offset: 3px;
}

.kbd-tip {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

kbd {
  font-family: var(--font-mono);
  background-color: var(--bg-tertiary);
  border: var(--border-subtle);
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

/* ==========================================================================
   ATHLETIC METRICS WIDGETS
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
  max-width: 700px;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }
}

.stat-card {
  background-color: var(--bg-secondary);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.stat-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--text-muted);
}

.stat-card.stat-best::after { background-color: var(--color-success); }
.stat-card.stat-avg::after { background-color: var(--color-idle); }
.stat-card.stat-fouls::after { background-color: var(--color-foul); }

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.stat-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
}

.stat-icon {
  font-size: 1.1rem;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-sans);
}

.stat-unit {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 0.2rem;
}

.stat-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* ==========================================================================
   SIDEBAR: SESSION HISTORY
   ========================================================================== */
.sidebar {
  background-color: var(--bg-secondary);
  border-left: var(--border-subtle);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: hidden;
}

@media (max-width: 1024px) {
  .sidebar {
    border-left: none;
    border-top: var(--border-subtle);
    height: 500px;
  }
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-title-badge {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.15rem 0.45rem;
  border-radius: 10px;
  font-weight: 700;
  border: var(--border-subtle);
}

/* History Log List */
.history-list-wrapper {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Custom Scrollbars */
.history-list-wrapper {
  scrollbar-width: thin;
  scrollbar-color: var(--bg-tertiary) transparent;
}

@supports not (scrollbar-color: auto) {
  .history-list-wrapper::-webkit-scrollbar {
    width: 6px;
  }
  .history-list-wrapper::-webkit-scrollbar-thumb {
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
  }
  .history-list-wrapper::-webkit-scrollbar-track {
    background-color: transparent;
  }
}

.history-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  gap: 0.75rem;
  padding: 2rem;
  text-align: center;
}

.history-empty-state svg {
  width: 2.5rem;
  height: 2.5rem;
  fill: var(--text-muted);
  opacity: 0.5;
}

.history-card {
  display: flex;
  align-items: center;
  background-color: var(--bg-tertiary);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  animation: slide-in 0.25s ease-out;
}

.history-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: scale(1.01);
}

/* Status left-side accent bar */
.history-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
}

.card-status-success { border-color: rgba(var(--color-success-rgb), 0.3); }
.card-status-success::before { background-color: var(--color-success); }

.card-status-foul { border-color: rgba(var(--color-foul-rgb), 0.3); }
.card-status-foul::before { background-color: var(--color-foul); }

.card-status-too-slow { border-color: rgba(var(--color-too-slow-rgb), 0.3); }
.card-status-too-slow::before { background-color: var(--color-too-slow); }

.card-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-left: 0.5rem;
}

.card-attempt-num {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.card-status-text {
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 0.1rem;
}

.card-time-ago {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.card-score {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.card-value {
  font-size: 1.3rem;
  font-weight: 800;
  font-family: var(--font-sans);
}

.card-badge {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  margin-top: 0.25rem;
}

.badge-success {
  background-color: rgba(var(--color-success-rgb), 0.1);
  color: var(--color-success);
}

.badge-foul {
  background-color: rgba(var(--color-foul-rgb), 0.1);
  color: var(--color-foul);
}

.badge-too-slow {
  background-color: rgba(var(--color-too-slow-rgb), 0.1);
  color: var(--color-too-slow);
}

.sidebar-footer {
  padding: 1.25rem 1.5rem;
  border-top: var(--border-subtle);
  background-color: var(--bg-secondary);
}

.btn-danger {
  background-color: rgba(255, 51, 68, 0.1);
  color: var(--color-foul);
  border: 1px solid rgba(255, 51, 68, 0.2);
  width: 100%;
  justify-content: center;
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-foul);
  color: var(--bg-primary);
  border-color: var(--color-foul);
  box-shadow: 0 4px 15px rgba(255, 51, 68, 0.3);
}

.btn-danger:focus-visible {
  outline: 2px solid var(--color-foul);
  outline-offset: 2px;
}

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */
@keyframes pulse-idle {
  0%, 100% {
    box-shadow: 0 0 20px rgba(var(--color-idle-rgb), 0.05),
                inset 0 0 20px rgba(0, 0, 0, 0.6);
    border-color: rgba(var(--color-idle-rgb), 0.6);
  }
  50% {
    box-shadow: 0 0 35px rgba(var(--color-idle-rgb), 0.15),
                inset 0 0 20px rgba(0, 0, 0, 0.5);
    border-color: rgba(var(--color-idle-rgb), 1);
  }
}

@keyframes blink-standby {
  0% {
    box-shadow: 0 0 20px rgba(var(--color-standby-rgb), 0.15),
                inset 0 0 25px rgba(0, 0, 0, 0.8);
    opacity: 0.85;
  }
  100% {
    box-shadow: 0 0 45px rgba(var(--color-standby-rgb), 0.45),
                inset 0 0 30px rgba(var(--color-standby-rgb), 0.2),
                inset 0 0 25px rgba(0, 0, 0, 0.8);
    opacity: 1;
  }
}

@keyframes pop-bounce {
  0% { transform: scale(0.95); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shake-error {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}