/* ╔══════════════════════════════════════════════════════════════╗
   ║  PIXELFORGE — Premium Retro Productivity Dashboard           ║
   ║  style.css — Master Stylesheet                               ║
   ║  Author: Soltani Seyf Eddine                                 ║
   ╚══════════════════════════════════════════════════════════════╝ */

/* ─────────────────────────────────────────
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ───────────────────────────────────────── */
:root {
  /* Core palette */
  --bg-void:        #0a0a0a;
  --bg-dark:        #121212;
  --bg-panel:       #161b1f;
  --bg-panel-hover: #1c2329;
  --bg-input:       #0e1317;

  /* Accent — Neon Mint */
  --mint:           #3df2a7;
  --mint-dim:       #27b378;
  --mint-glow:      rgba(61, 242, 167, 0.25);
  --mint-glow-sm:   rgba(61, 242, 167, 0.12);

  /* Slate neutrals */
  --slate-light:    #8ba3b4;
  --slate-mid:      #4a6170;
  --slate-dark:     #2a3540;

  /* Difficulty colors */
  --diff-easy:      #3df2a7;
  --diff-medium:    #f2c43d;
  --diff-hard:      #f27a3d;
  --diff-boss:      #f23d6e;

  /* Text */
  --text-primary:   #e8f4f0;
  --text-secondary: #8ba3b4;
  --text-dim:       #3f5560;

  /* Pixel border style */
  --pixel-border: 2px solid var(--mint-dim);

  /* Typography */
  --font-pixel: 'Press Start 2P', monospace;

  /* Spacing scale */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;

  /* Panel border radius (intentionally low for pixel feel) */
  --radius: 2px;

  /* Transitions */
  --transition: 120ms ease;
}

/* ─────────────────────────────────────────
   2. RESET & BASE
   ───────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-pixel);
  background-color: var(--bg-void);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  /* Subtle noise texture overlay via repeating gradient */
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61,242,167,0.06) 0%, transparent 60%);
}

/* ─────────────────────────────────────────
   3. SCANLINE OVERLAY
   ───────────────────────────────────────── */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  animation: scanline-scroll 12s linear infinite;
}

@keyframes scanline-scroll {
  from { background-position: 0 0; }
  to   { background-position: 0 100px; }
}

/* ─────────────────────────────────────────
   4. FLOATING PIXEL FIELD
   ───────────────────────────────────────── */
.pixel-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* Each .pixel-sprite is injected by JS */
.pixel-sprite {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--mint);
  opacity: 0;
  animation: float-up var(--dur, 8s) var(--delay, 0s) infinite ease-in-out;
}

@keyframes float-up {
  0%   { opacity: 0; transform: translateY(0) scale(1); }
  20%  { opacity: 0.5; }
  80%  { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-120vh) scale(0.5); }
}

/* ─────────────────────────────────────────
   5. HUD BAR (header)
   ───────────────────────────────────────── */
.hud-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-xl);
  background: var(--bg-dark);
  /* Pixel bottom border via box-shadow */
  box-shadow:
    0 4px 0 0 var(--mint-dim),
    0 6px 0 0 #0a0a0a,
    0 8px 0 0 var(--slate-dark);
  flex-wrap: wrap;
}

/* Logo */
.hud-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  white-space: nowrap;
}

.logo-bracket {
  color: var(--slate-mid);
  font-size: 0.9rem;
}

.logo-text {
  font-size: 0.85rem;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-shadow: 0 0 12px var(--mint-glow);
}

.logo-accent {
  color: var(--mint);
  text-shadow: 0 0 16px var(--mint), 0 0 32px var(--mint-glow);
}

/* HUD player section */
.hud-player {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  max-width: 420px;
}

/* Level badge */
.level-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-panel);
  border: var(--pixel-border);
  padding: var(--space-xs) var(--space-sm);
  min-width: 56px;
  /* Pixelated shadow effect */
  box-shadow:
    2px 0 0 var(--mint-dim),
    0 2px 0 var(--mint-dim),
    2px 2px 0 var(--mint-dim),
    -2px 0 0 var(--bg-void),
    0 -2px 0 var(--bg-void);
}

.level-label {
  font-size: 0.45rem;
  color: var(--slate-light);
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.level-value {
  font-size: 1.1rem;
  color: var(--mint);
  text-shadow: 0 0 12px var(--mint);
  line-height: 1;
}

/* XP container */
.xp-container {
  flex: 1;
}

.xp-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.45rem;
  color: var(--slate-light);
  margin-bottom: var(--space-xs);
  letter-spacing: 1px;
}

/* XP track */
.xp-track {
  position: relative;
  height: 14px;
  background: var(--bg-input);
  border: 1px solid var(--slate-dark);
  overflow: hidden;
  /* Pixel corners via box-shadow */
  box-shadow:
    inset 1px 1px 0 rgba(0,0,0,0.6),
    1px 1px 0 var(--slate-mid);
}

.xp-fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--mint-dim) 0%,
    var(--mint) 60%,
    #8fffd4 100%
  );
  width: 0%;
  transition: width 0.6s cubic-bezier(0.25, 1.4, 0.5, 1);
  position: relative;
  /* Chunky pixel segments via repeating gradient */
  background-image: linear-gradient(
    90deg,
    var(--mint-dim) 0%,
    var(--mint) 60%,
    #8fffd4 100%
  ),
  repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 6px,
    rgba(0,0,0,0.2) 6px,
    rgba(0,0,0,0.2) 7px
  );
}

.xp-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 5px,
    rgba(0,0,0,0.15) 5px,
    rgba(0,0,0,0.15) 6px
  );
}

.xp-shine {
  position: absolute;
  top: 1px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}

/* HUD date */
.hud-date {
  font-size: 0.45rem;
  color: var(--slate-mid);
  text-align: right;
  white-space: nowrap;
  line-height: 1.8;
}

/* ─────────────────────────────────────────
   6. MAIN GRID
   ───────────────────────────────────────── */
.dashboard-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 340px;
  grid-template-rows: auto auto;
  grid-template-areas:
    "tasks   pomodoro"
    "tasks   stats"
    "notes   stats";
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

/* ─────────────────────────────────────────
   7. PANELS
   ───────────────────────────────────────── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--slate-dark);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  /* Pixelated multi-layer border effect */
  box-shadow:
    0 0 0 1px var(--slate-dark),
    inset 0 1px 0 rgba(255,255,255,0.04),
    4px 4px 0 var(--bg-void),
    0 0 40px rgba(61, 242, 167, 0.03);
}

/* Corner accent decorations */
.panel::before,
.panel::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--mint-dim);
  border-style: solid;
}

.panel::before {
  top: 6px;
  left: 6px;
  border-width: 2px 0 0 2px;
}

.panel::after {
  bottom: 6px;
  right: 6px;
  border-width: 0 2px 2px 0;
}

/* Panel grid areas */
.panel--tasks    { grid-area: tasks; }
.panel--pomodoro { grid-area: pomodoro; }
.panel--stats    { grid-area: stats; }
.panel--notes    { grid-area: notes; }

/* Panel header */
.panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--slate-dark);
  position: relative;
}

/* Green glow line under panel header */
.panel-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 1px;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
}

.panel-icon {
  font-size: 1.1rem;
  filter: drop-shadow(0 0 6px var(--mint-glow));
}

.panel-title {
  font-size: 0.65rem;
  color: var(--mint);
  text-shadow: 0 0 10px var(--mint-glow);
  letter-spacing: 2px;
  flex: 1;
}

.panel-subtitle {
  font-size: 0.4rem;
  color: var(--slate-mid);
  letter-spacing: 1px;
  padding: 2px 6px;
  border: 1px solid var(--slate-dark);
}

/* ─────────────────────────────────────────
   8. PIXEL BUTTONS (shared)
   ───────────────────────────────────────── */
.pixel-btn {
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  letter-spacing: 1px;
  cursor: pointer;
  padding: var(--space-sm) var(--space-md);
  border: none;
  outline: none;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  text-transform: uppercase;
  white-space: nowrap;
}

/* 3D press effect via box-shadow layers */
.pixel-btn:not(:disabled) {
  box-shadow:
    0 4px 0 0 rgba(0,0,0,0.6),
    0 5px 0 0 rgba(0,0,0,0.3);
}

.pixel-btn:not(:disabled):active {
  transform: translateY(3px);
  box-shadow:
    0 1px 0 0 rgba(0,0,0,0.6),
    0 2px 0 0 rgba(0,0,0,0.3);
}

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

/* Variants */
.btn--primary {
  background: var(--mint);
  color: var(--bg-dark);
  width: 100%;
  margin-top: var(--space-sm);
  font-size: 0.55rem;
}

.btn--primary:not(:disabled):hover {
  background: #5fffc0;
  box-shadow:
    0 0 16px var(--mint-glow),
    0 4px 0 0 var(--mint-dim);
}

.btn--start {
  background: var(--mint);
  color: var(--bg-dark);
  flex: 1;
}

.btn--pause {
  background: var(--diff-medium);
  color: var(--bg-dark);
  flex: 1;
}

.btn--reset {
  background: var(--slate-dark);
  color: var(--slate-light);
  flex: 1;
  border: 1px solid var(--slate-mid);
}

.btn--reset:hover {
  background: var(--slate-mid);
}

.btn--complete {
  background: var(--mint);
  color: var(--bg-dark);
  font-size: 0.4rem;
  padding: 4px 8px;
}

.btn--delete {
  background: transparent;
  color: var(--diff-boss);
  font-size: 0.5rem;
  padding: 4px 8px;
  border: 1px solid var(--diff-boss);
  box-shadow: none !important;
}

.btn--delete:hover {
  background: rgba(242, 61, 110, 0.15);
}

/* ─────────────────────────────────────────
   9. TASK INPUT ZONE
   ───────────────────────────────────────── */
.task-input-zone {
  margin-bottom: var(--space-lg);
}

.pixel-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--slate-dark);
  color: var(--text-primary);
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  padding: var(--space-sm) var(--space-md);
  outline: none;
  letter-spacing: 1px;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: inset 0 2px 0 rgba(0,0,0,0.4);
}

.pixel-input:focus {
  border-color: var(--mint);
  box-shadow:
    inset 0 2px 0 rgba(0,0,0,0.4),
    0 0 0 1px var(--mint),
    0 0 16px var(--mint-glow-sm);
}

.pixel-input::placeholder {
  color: var(--text-dim);
}

/* Difficulty selector */
.difficulty-selector {
  margin-top: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.diff-label {
  font-size: 0.4rem;
  color: var(--slate-light);
  white-space: nowrap;
}

.diff-buttons {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.diff-btn {
  font-family: var(--font-pixel);
  font-size: 0.35rem;
  cursor: pointer;
  padding: 4px 8px;
  background: var(--bg-input);
  border: 1px solid var(--slate-dark);
  color: var(--slate-light);
  transition: all var(--transition);
  letter-spacing: 0.5px;
  box-shadow: 0 2px 0 rgba(0,0,0,0.5);
}

.diff-btn:hover {
  border-color: var(--slate-mid);
  color: var(--text-primary);
}

.diff-btn.active[data-diff="easy"]   { border-color: var(--diff-easy);   color: var(--diff-easy);   box-shadow: 0 0 8px rgba(61,242,167,0.3), 0 2px 0 rgba(0,0,0,0.5); }
.diff-btn.active[data-diff="medium"] { border-color: var(--diff-medium); color: var(--diff-medium); box-shadow: 0 0 8px rgba(242,196,61,0.3), 0 2px 0 rgba(0,0,0,0.5); }
.diff-btn.active[data-diff="hard"]   { border-color: var(--diff-hard);   color: var(--diff-hard);   box-shadow: 0 0 8px rgba(242,122,61,0.3), 0 2px 0 rgba(0,0,0,0.5); }
.diff-btn.active[data-diff="boss"]   { border-color: var(--diff-boss);   color: var(--diff-boss);   box-shadow: 0 0 8px rgba(242,61,110,0.3), 0 2px 0 rgba(0,0,0,0.5); }

/* ─────────────────────────────────────────
   10. TASK LIST & TASK CARDS
   ───────────────────────────────────────── */
.task-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 420px;
  overflow-y: auto;
  padding-right: var(--space-xs);
}

/* Custom scrollbar */
.task-list::-webkit-scrollbar { width: 4px; }
.task-list::-webkit-scrollbar-track { background: var(--bg-input); }
.task-list::-webkit-scrollbar-thumb { background: var(--slate-dark); }
.task-list::-webkit-scrollbar-thumb:hover { background: var(--mint-dim); }

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xl);
  color: var(--text-dim);
}

.empty-icon { font-size: 2rem; opacity: 0.4; }

.empty-state p {
  font-size: 0.45rem;
  letter-spacing: 1px;
}

.empty-sub {
  font-size: 0.35rem !important;
  color: var(--text-dim);
}

/* Task card */
.task-card {
  background: var(--bg-input);
  border: 1px solid var(--slate-dark);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
  transition: all var(--transition);
  /* Pixel shadow */
  box-shadow: 2px 2px 0 var(--bg-void);
  animation: card-slide-in 0.2s ease-out;
}

@keyframes card-slide-in {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.task-card:hover {
  background: var(--bg-panel-hover);
  border-color: var(--slate-mid);
}

/* Left accent bar by difficulty */
.task-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
}

.task-card[data-diff="easy"]::before   { background: var(--diff-easy);   box-shadow: 0 0 8px var(--diff-easy); }
.task-card[data-diff="medium"]::before { background: var(--diff-medium); box-shadow: 0 0 8px var(--diff-medium); }
.task-card[data-diff="hard"]::before   { background: var(--diff-hard);   box-shadow: 0 0 8px var(--diff-hard); }
.task-card[data-diff="boss"]::before   { background: var(--diff-boss);   box-shadow: 0 0 8px var(--diff-boss); animation: boss-pulse 1.5s ease-in-out infinite; }

@keyframes boss-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.task-card.completed {
  opacity: 0.45;
}

.task-card.completed .task-name {
  text-decoration: line-through;
  color: var(--text-dim);
}

/* Task card content */
.task-xp-badge {
  font-size: 0.38rem;
  padding: 2px 5px;
  border: 1px solid;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.task-card[data-diff="easy"]   .task-xp-badge { color: var(--diff-easy);   border-color: var(--diff-easy); }
.task-card[data-diff="medium"] .task-xp-badge { color: var(--diff-medium); border-color: var(--diff-medium); }
.task-card[data-diff="hard"]   .task-xp-badge { color: var(--diff-hard);   border-color: var(--diff-hard); }
.task-card[data-diff="boss"]   .task-xp-badge { color: var(--diff-boss);   border-color: var(--diff-boss); }

.task-name {
  font-size: 0.5rem;
  color: var(--text-primary);
  flex: 1;
  letter-spacing: 0.5px;
  line-height: 1.8;
  word-break: break-word;
}

.task-actions {
  display: flex;
  gap: var(--space-xs);
  flex-shrink: 0;
}

/* ─────────────────────────────────────────
   11. POMODORO TIMER
   ───────────────────────────────────────── */

/* CRT-screen style wrapper */
.timer-screen {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.timer-crt-border {
  position: relative;
  background: #080e0a;
  border: 2px solid var(--mint-dim);
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  width: 100%;
  /* CRT glow */
  box-shadow:
    0 0 0 1px #0a0a0a,
    0 0 0 3px var(--slate-dark),
    0 0 24px var(--mint-glow-sm),
    inset 0 0 40px rgba(0,0,0,0.6);
}

/* Scanlines inside the CRT */
.timer-scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.15) 3px,
    rgba(0,0,0,0.15) 4px
  );
}

/* Corner screws */
.timer-crt-border::before,
.timer-crt-border::after {
  content: '●';
  position: absolute;
  font-size: 6px;
  color: var(--slate-dark);
}

.timer-crt-border::before { top: 6px; left: 8px; }
.timer-crt-border::after  { bottom: 6px; right: 8px; }

.timer-display {
  font-size: 2.8rem;
  color: var(--mint);
  text-shadow:
    0 0 20px var(--mint),
    0 0 40px var(--mint-glow),
    0 0 60px var(--mint-glow);
  letter-spacing: 4px;
  line-height: 1;
  position: relative;
  z-index: 1;
  animation: timer-flicker 8s ease-in-out infinite;
}

@keyframes timer-flicker {
  0%, 94%, 96%, 100% { opacity: 1; }
  95% { opacity: 0.85; }
}

.timer-mode {
  font-size: 0.4rem;
  color: var(--slate-light);
  letter-spacing: 3px;
  margin: var(--space-sm) 0;
  position: relative;
  z-index: 1;
}

/* Thin progress bar under timer text */
.timer-progress-track {
  height: 3px;
  background: var(--slate-dark);
  margin: var(--space-sm) 0;
  position: relative;
  z-index: 1;
}

.timer-progress-fill {
  height: 100%;
  background: var(--mint);
  width: 100%;
  transition: width 1s linear;
  box-shadow: 0 0 6px var(--mint);
}

/* Loading dots row */
.loading-bar-row {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: var(--space-sm);
  position: relative;
  z-index: 1;
}

.loading-dot {
  font-size: 0.5rem;
  color: var(--slate-dark);
  transition: color 0.3s, text-shadow 0.3s;
}

.loading-dot.active {
  color: var(--mint);
  text-shadow: 0 0 8px var(--mint);
}

/* Timer controls row */
.timer-controls {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

/* Mode selector */
.mode-selector {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.mode-btn {
  font-family: var(--font-pixel);
  font-size: 0.38rem;
  flex: 1;
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-input);
  border: 1px solid var(--slate-dark);
  color: var(--slate-light);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.5px;
}

.mode-btn:hover {
  border-color: var(--slate-mid);
  color: var(--text-primary);
}

.mode-btn.active {
  background: rgba(61, 242, 167, 0.1);
  border-color: var(--mint-dim);
  color: var(--mint);
}

/* Session tracker */
.session-tracker {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.session-label {
  font-size: 0.38rem;
  color: var(--slate-light);
  letter-spacing: 1px;
}

.session-gems {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  flex: 1;
}

.session-gem {
  width: 10px;
  height: 10px;
  background: var(--mint);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  box-shadow: 0 0 6px var(--mint);
  animation: gem-pop 0.3s cubic-bezier(0.18, 1.5, 0.5, 1);
}

@keyframes gem-pop {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}

.session-count {
  font-size: 0.55rem;
  color: var(--mint);
  min-width: 20px;
  text-align: right;
}

/* ─────────────────────────────────────────
   12. STATS PANEL
   ───────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.stat-card {
  background: var(--bg-input);
  border: 1px solid var(--slate-dark);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  position: relative;
  transition: all var(--transition);
  box-shadow: 2px 2px 0 var(--bg-void);
}

.stat-card:hover {
  border-color: var(--mint-dim);
  box-shadow: 2px 2px 0 var(--bg-void), 0 0 12px var(--mint-glow-sm);
}

.stat-icon {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  display: block;
}

.stat-value {
  font-size: 1.2rem;
  color: var(--mint);
  text-shadow: 0 0 10px var(--mint-glow);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.35rem;
  color: var(--slate-light);
  letter-spacing: 1px;
}

/* Achievements */
.achievements {
  border-top: 1px solid var(--slate-dark);
  padding-top: var(--space-md);
}

.ach-header {
  font-size: 0.45rem;
  color: var(--slate-light);
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.ach-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
}

.ach-badge {
  background: var(--bg-input);
  border: 1px solid var(--slate-dark);
  padding: var(--space-xs) var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: default;
  transition: all var(--transition);
  position: relative;
}

.ach-badge.locked {
  filter: grayscale(1);
  opacity: 0.35;
}

.ach-badge:not(.locked) {
  border-color: var(--mint-dim);
  box-shadow: 0 0 8px var(--mint-glow-sm), 2px 2px 0 var(--bg-void);
}

.ach-name {
  font-size: 0.32rem;
  color: var(--slate-light);
  letter-spacing: 0.5px;
}

.ach-badge:not(.locked) .ach-name {
  color: var(--mint);
}

/* ─────────────────────────────────────────
   13. NOTES PANEL
   ───────────────────────────────────────── */
.pixel-textarea {
  width: 100%;
  height: 160px;
  background: var(--bg-input);
  border: 1px solid var(--slate-dark);
  color: var(--mint);
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  padding: var(--space-md);
  resize: vertical;
  outline: none;
  line-height: 2;
  letter-spacing: 0.5px;
  transition: border-color var(--transition);
  box-shadow: inset 0 2px 0 rgba(0,0,0,0.4);
}

.pixel-textarea:focus {
  border-color: var(--mint-dim);
  box-shadow:
    inset 0 2px 0 rgba(0,0,0,0.4),
    0 0 12px var(--mint-glow-sm);
}

.pixel-textarea::placeholder {
  color: var(--text-dim);
}

/* Custom scrollbar for textarea */
.pixel-textarea::-webkit-scrollbar { width: 4px; }
.pixel-textarea::-webkit-scrollbar-track { background: var(--bg-input); }
.pixel-textarea::-webkit-scrollbar-thumb { background: var(--slate-dark); }

.notes-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-xs);
}

#notes-char-count {
  font-size: 0.38rem;
  color: var(--text-dim);
}

.notes-saved {
  font-size: 0.38rem;
  color: var(--mint-dim);
  transition: opacity 0.5s;
}

/* ─────────────────────────────────────────
   14. LEVEL UP OVERLAY
   ───────────────────────────────────────── */
.levelup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.levelup-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.levelup-box {
  background: var(--bg-panel);
  border: 2px solid var(--mint);
  padding: var(--space-xl) var(--space-2xl);
  text-align: center;
  position: relative;
  box-shadow:
    0 0 0 4px var(--bg-void),
    0 0 0 6px var(--mint-dim),
    0 0 60px var(--mint-glow),
    0 0 120px var(--mint-glow-sm);
  animation: levelup-bounce 0.4s cubic-bezier(0.18, 1.5, 0.5, 1);
}

@keyframes levelup-bounce {
  from { transform: scale(0.7); }
  to   { transform: scale(1); }
}

.levelup-stars {
  font-size: 0.8rem;
  color: var(--diff-medium);
  text-shadow: 0 0 12px var(--diff-medium);
  margin-bottom: var(--space-md);
  animation: star-spin 0.5s ease-out;
}

@keyframes star-spin {
  from { transform: rotate(-15deg) scale(0.5); }
  to   { transform: rotate(0deg) scale(1); }
}

.levelup-title {
  font-size: 1.6rem;
  color: var(--mint);
  text-shadow:
    0 0 20px var(--mint),
    0 0 40px var(--mint-glow);
  letter-spacing: 4px;
  margin-bottom: var(--space-sm);
  animation: text-flicker-in 0.3s ease-out;
}

@keyframes text-flicker-in {
  0%  { opacity: 0; }
  40% { opacity: 1; }
  60% { opacity: 0.6; }
  100%{ opacity: 1; }
}

.levelup-new {
  font-size: 0.9rem;
  color: var(--diff-medium);
  text-shadow: 0 0 16px var(--diff-medium);
  margin-bottom: var(--space-sm);
}

.levelup-subtitle {
  font-size: 0.4rem;
  color: var(--slate-light);
  letter-spacing: 2px;
}

/* Pixel explosion particles (JS-injected) */
.pixel-explosion {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.exp-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--mint);
  animation: exp-fly var(--dur) ease-out forwards;
}

@keyframes exp-fly {
  from { opacity: 1; transform: translate(0,0) scale(1); }
  to   { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(0); }
}

/* ─────────────────────────────────────────
   15. FOOTER
   ───────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  font-size: 0.4rem;
  color: var(--slate-dark);
  border-top: 1px solid var(--slate-dark);
  letter-spacing: 1px;
  margin-top: var(--space-md);
}

.footer-bracket { color: var(--slate-mid); }

.footer-author {
  color: var(--mint-dim);
  text-shadow: 0 0 8px var(--mint-glow-sm);
}

.footer-copy {
  margin-left: var(--space-sm);
  color: var(--text-dim);
}

/* ─────────────────────────────────────────
   16. UTILITY ANIMATIONS
   ───────────────────────────────────────── */

/* XP gain flash */
@keyframes xp-flash {
  0%   { box-shadow: 0 0 0 2px var(--mint), 0 0 20px var(--mint); }
  100% { box-shadow: none; }
}

.xp-gained {
  animation: xp-flash 0.6s ease-out;
}

/* Task card complete animation */
@keyframes card-complete {
  0%   { background: rgba(61,242,167,0.2); }
  100% { background: var(--bg-input); }
}

.task-card.completing {
  animation: card-complete 0.5s ease-out;
}

/* ─────────────────────────────────────────
   17. RESPONSIVE (Mobile / Handheld Console)
   ───────────────────────────────────────── */
@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "tasks"
      "pomodoro"
      "stats"
      "notes";
    padding: var(--space-sm);
    gap: var(--space-sm);
  }

  .hud-bar {
    padding: var(--space-sm) var(--space-md);
    gap: var(--space-sm);
  }

  .hud-player {
    max-width: none;
    width: 100%;
    order: 3;
    flex-basis: 100%;
  }

  .hud-date { display: none; }

  .timer-display { font-size: 2rem; }

  .levelup-box {
    padding: var(--space-lg);
    margin: var(--space-md);
  }

  .levelup-title { font-size: 1rem; }
}

@media (max-width: 480px) {
  .logo-text { font-size: 0.65rem; }
  .panel { padding: var(--space-md); }
  .timer-display { font-size: 1.6rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .ach-list { grid-template-columns: 1fr; }
  .timer-controls { flex-direction: column; }

  .diff-btn { font-size: 0.3rem; padding: 3px 5px; }
}