@import "tailwindcss";

/* ═══════════════════════════════════════════════════════════════════
   LIGHT-LUXURY NEON GLOW DESIGN SYSTEM - WATER SORT PUZZLE
   Authorized by Rayaan Tasnim | Powered by IDAI Universe
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --bg-alabaster: #f8fafc;
  --panel-crystal: #ffffff;
  --text-charcoal: #1e293b;
  --text-muted: #64748b;
  --neon-cyan: #06b6d4;
  --neon-magenta: #ec4899;
  --neon-amber: #f59e0b;
  --neon-emerald: #10b981;
}

body {
  background-color: var(--bg-alabaster);
  color: var(--text-charcoal);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
  letter-spacing: -0.012em;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.025em;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Tabular numbers for all telemetry and counters */
.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Electro-Neon High-Intensity Glow Text */
.neon-glow-cyan {
  color: #06b6d4;
  filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.55)) brightness(1.2);
}

.neon-glow-magenta {
  color: #ec4899;
  filter: drop-shadow(0 0 10px rgba(236, 72, 153, 0.55)) brightness(1.15);
}

.neon-glow-amber {
  color: #f59e0b;
  filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.55)) brightness(1.15);
}

/* Enterprise Glassmorphism & Refined Depth Structure */
.neo-card {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.04), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
}

.neo-card:hover {
  transform: translateY(-2px) scale(1.008);
  box-shadow: 0 12px 28px -6px rgba(6, 182, 212, 0.22), 0 0 0 1px rgba(6, 182, 212, 0.35);
  border-color: rgba(6, 182, 212, 0.45);
}

.neo-card-magenta:hover {
  transform: translateY(-2px) scale(1.008);
  box-shadow: 0 12px 28px -6px rgba(236, 72, 153, 0.22), 0 0 0 1px rgba(236, 72, 153, 0.35);
  border-color: rgba(236, 72, 153, 0.45);
}

.neo-btn {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  letter-spacing: -0.01em;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.neo-btn:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 8px 20px -4px rgba(6, 182, 212, 0.35);
}

.neo-btn-magenta:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 8px 20px -4px rgba(236, 72, 153, 0.35);
}

/* Normalized HUD Action Button Proportions & Mobile Fluidity */
.hud-btn {
  height: 38px;
  min-width: 78px;
  padding: 0 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 0.75rem;
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 640px) {
  .hud-btn {
    height: 36px;
    font-size: 0.72rem;
    padding: 0 0.5rem;
    min-width: 0;
    width: 100%;
  }
}

/* Glass Test Tube Styling */
.glass-tube {
  position: relative;
  width: 64px;
  height: 220px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(241, 245, 249, 0.5) 100%);
  border: 3px solid rgba(203, 213, 225, 0.8);
  border-top: none;
  border-bottom-left-radius: 32px;
  border-bottom-right-radius: 32px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), inset 0 -4px 12px rgba(0, 0, 0, 0.05), inset 2px 0 6px rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transform-origin: 50% 15%;
  transition: border-color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column-reverse;
  padding: 6px 4px 6px 4px;
  user-select: none;
  overflow: hidden;
}

@media (max-width: 480px) {
  .glass-tube {
    width: 50px;
    height: 180px;
    border-bottom-left-radius: 25px;
    border-bottom-right-radius: 25px;
  }
}

/* Glass Tube Rim (Mouth of tube) */
.glass-tube::before {
  content: '';
  position: absolute;
  top: 0;
  left: -4px;
  right: -4px;
  height: 8px;
  border: 3px solid rgba(203, 213, 225, 0.9);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
  z-index: 10;
}

/* Glass reflection shine on the right side */
.glass-tube::after {
  content: '';
  position: absolute;
  top: 10px;
  right: 6px;
  bottom: 24px;
  width: 4px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.1));
  border-radius: 4px;
  pointer-events: none;
  z-index: 10;
}

/* Selected Tube state */
.glass-tube.selected {
  border-color: #06b6d4;
  box-shadow: 0 0 24px rgba(6, 182, 212, 0.5), inset 0 0 10px rgba(6, 182, 212, 0.2);
}

.glass-tube.selected::before {
  border-color: #06b6d4;
  background: #cffafe;
}

/* Solved / Complete Tube Glow */
.glass-tube.completed {
  border-color: #10b981;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4), inset 0 0 8px rgba(16, 185, 129, 0.2);
}

/* Liquid Layer Segment */
.liquid-segment {
  width: 100%;
  height: 48px;
  position: relative;
  transition: height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

@media (max-width: 480px) {
  .liquid-segment {
    height: 38px;
  }
}

.liquid-segment:first-child {
  border-bottom-left-radius: 26px;
  border-bottom-right-radius: 26px;
}

/* Liquid Surface Meniscus */
.liquid-segment::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 50%;
}

/* Distinct Liquid Colors with High-Fidelity Glow & Gradients */
.color-cyan {
  background: linear-gradient(180deg, #22d3ee 0%, #0891b2 100%);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.5), inset 0 -2px 6px rgba(0, 0, 0, 0.2);
}

.color-magenta {
  background: linear-gradient(180deg, #f472b6 0%, #db2777 100%);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.5), inset 0 -2px 6px rgba(0, 0, 0, 0.2);
}

.color-amber {
  background: linear-gradient(180deg, #fbbf24 0%, #d97706 100%);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.5), inset 0 -2px 6px rgba(0, 0, 0, 0.2);
}

.color-emerald {
  background: linear-gradient(180deg, #34d399 0%, #059669 100%);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.5), inset 0 -2px 6px rgba(0, 0, 0, 0.2);
}

.color-violet {
  background: linear-gradient(180deg, #a78bfa 0%, #7c3aed 100%);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.5), inset 0 -2px 6px rgba(0, 0, 0, 0.2);
}

.color-coral {
  background: linear-gradient(180deg, #fb923c 0%, #ea580c 100%);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.5), inset 0 -2px 6px rgba(0, 0, 0, 0.2);
}

.color-blue {
  background: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.5), inset 0 -2px 6px rgba(0, 0, 0, 0.2);
}

.color-lime {
  background: linear-gradient(180deg, #a3e635 0%, #65a30d 100%);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.5), inset 0 -2px 6px rgba(0, 0, 0, 0.2);
}

/* Pouring Stream Beam */
#pouring-stream {
  position: absolute;
  width: 7px;
  height: 0px;
  border-radius: 4px;
  pointer-events: none;
  z-index: 40;
  display: none;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.6);
}

/* Floating Rising Bubbles */
@keyframes bubbleRise {
  0% { transform: translateY(0) scale(0.6); opacity: 0; }
  50% { opacity: 0.8; }
  100% { transform: translateY(-80px) scale(1.1); opacity: 0; }
}

.bubble {
  position: absolute;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  pointer-events: none;
  animation: bubbleRise 1.6s infinite ease-in;
}

/* Chess-style Commentary Toast */
.commentary-toast {
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

/* Dropdown Menu animation */
#nav-dropdown {
  transform-origin: top right;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, visibility 0.2s;
}

#nav-dropdown.hidden-menu {
  opacity: 0;
  transform: scale(0.95) translateY(-8px);
  pointer-events: none;
  visibility: hidden;
}

#nav-dropdown.show-menu {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
  visibility: visible;
}

/* ═══════════════════════════════════════════════════════════════════
   ADAPTIVE TABLE LOGIC (MOBILE CARD STACK VS DESKTOP WIDE GRID)
   ═══════════════════════════════════════════════════════════════════ */
html {
  scroll-behavior: smooth;
}

.page-enter {
  animation: pageEnter 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 767px) {
  .adaptive-table,
  .adaptive-table tbody,
  .adaptive-table tr,
  .adaptive-table td {
    display: block;
    width: 100%;
  }

  .adaptive-table thead {
    display: none !important;
  }

  .adaptive-table tr {
    margin-bottom: 1rem;
    padding: 1.1rem;
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
    box-shadow: 0 2px 8px -2px rgba(0, 0, 0, 0.05);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
  }

  .adaptive-table tr:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(6, 182, 212, 0.18);
    border-color: rgba(6, 182, 212, 0.4);
  }

  .adaptive-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0;
    border: none;
    border-bottom: 1px dashed #f1f5f9;
    text-align: right;
  }

  .adaptive-table td:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .adaptive-table td::before {
    content: attr(data-label);
    font-weight: 700;
    font-size: 0.72rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: left;
    margin-right: 0.75rem;
    flex-shrink: 0;
  }
}

@media (min-width: 768px) {
  .adaptive-table {
    display: table !important;
  }
  .adaptive-table thead {
    display: table-header-group !important;
  }
  .adaptive-table tbody {
    display: table-row-group !important;
  }
  .adaptive-table tr {
    display: table-row !important;
  }
  .adaptive-table th,
  .adaptive-table td {
    display: table-cell !important;
  }
}