/* ═══════════════════════════════════
   SmartFocus Dashboard — style.css
   Mobile-first · BEM · CSS Variables
════════════════════════════════════ */

/* ── 1. DESIGN TOKENS ── */
:root {
  --color-bg-deep:            #050810;
  --color-bg-surface:         #0c1120;
  --color-glass-bg:           rgba(255,255,255,0.04);
  --color-glass-bg-hover:     rgba(255,255,255,0.07);
  --color-glass-border:       rgba(255,255,255,0.09);
  --color-glass-border-focus: rgba(0,229,195,0.45);

  --color-teal:       #00E5C3;
  --color-teal-dim:   rgba(0,229,195,0.15);
  --color-amber:      #FFB830;
  --color-amber-dim:  rgba(255,184,48,0.15);
  --color-rose:       #FF5470;
  --color-rose-dim:   rgba(255,84,112,0.15);

  --color-text-primary:   #ECEFFF;
  --color-text-secondary: #9BA5BF;
  --color-text-muted:     #4A5568;

  --glow-teal:  0 0 24px rgba(0,229,195,0.30);
  --glow-amber: 0 0 24px rgba(255,184,48,0.30);
  --glow-rose:  0 0 24px rgba(255,84,112,0.35);

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16,1,0.3,1);

  /* Pie chart colors — bright, distinct */
  --chart-1:  #00E5C3;
  --chart-2:  #FFB830;
  --chart-3:  #FF5470;
  --chart-4:  #7C6FFF;
  --chart-5:  #FF9F43;
  --chart-6:  #00D2FF;
  --chart-7:  #FF6B9D;
  --chart-8:  #A8FF78;
}

/* ── 2. RESET ── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-deep);
  min-height: 100vh;
  overflow-x: hidden;
}
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, output { font-family: inherit; }
:focus-visible { outline: 2px solid var(--color-teal); outline-offset: 3px; border-radius: var(--radius-sm); }

/* ── 3. AMBIENT ORBS ── */
.bg-canvas { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.07; will-change: transform; }
.orb--teal  { width: 700px; height: 700px; background: var(--color-teal);  top: -300px; left: -200px; animation: drift-teal  18s ease-in-out infinite alternate; }
.orb--amber { width: 600px; height: 600px; background: var(--color-amber); bottom: -200px; right: -150px; animation: drift-amber 22s ease-in-out infinite alternate; }
.orb--rose  { width: 500px; height: 500px; background: var(--color-rose);  top: 40%; left: 55%; animation: drift-rose  26s ease-in-out infinite alternate; }

/* ── 4. HEADER ── */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: rgba(5,8,16,0.90);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  position: sticky; top: 0; z-index: 100;
  gap: var(--space-sm);
}
.header__brand { display: flex; align-items: center; gap: var(--space-xs); flex-shrink: 0; }
.brand-icon { font-size: 1.2rem; color: var(--color-teal); text-shadow: var(--glow-teal); animation: pulse-icon 3s ease-in-out infinite; }
.brand-name { font-family: var(--font-display); font-size: 1.1rem; }
.header__meta { display: flex; align-items: center; gap: var(--space-xs); flex-wrap: nowrap; overflow: hidden; }
.header__date { font-size: 0.8rem; color: var(--color-text-secondary); font-weight: 300; display: none; }
.focus-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--color-text-muted); transition: background var(--transition-base), box-shadow var(--transition-base); }

/* ── 5. MAIN LAYOUT ── */
.main-content { max-width: 960px; margin: 0 auto; padding: var(--space-md) var(--space-sm); display: grid; gap: var(--space-md); }

/* ── 6. STAT CARDS ── */
.stats-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-sm); }
.stat-card {
  background: rgba(10, 15, 28, 0.75);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.12);
  border-top: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-sm);
  display: flex; flex-direction: column; gap: var(--space-xs);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.06);
  transition: transform var(--transition-base), border-color var(--transition-base);
  animation: slide-up 0.5s var(--transition-slow) both;
  min-width: 0;
}
.stat-card:nth-child(2) { animation-delay: 80ms; }
.stat-card:nth-child(3) { animation-delay: 160ms; }
.stat-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.16); }
.stat-card__label { font-size: 0.62rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-secondary); }
.stat-card__value { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; line-height: 1; }
.stat-card__value--teal  { color: var(--color-teal); }
.stat-card__value--amber { color: var(--color-amber); }
.stat-card__sub { font-size: 0.75rem; color: var(--color-text-muted); }

/* ── 7. GLASS PANEL BASE ── */
.input-panel,
.task-section,
.timer-panel,
.insight-card,
.chart-section {
  background: rgba(10, 15, 28, 0.75);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.12);
  border-top: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.06);
  animation: slide-up 0.5s var(--transition-slow) 240ms both;
}
.panel-title {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  display: flex; align-items: center; gap: var(--space-sm);
}
.panel-title span { color: var(--color-teal); }

/* ── 8. TIMER + INSIGHT ROW ── */
.timer-insight-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* Timer panel */
.timer-panel { display: flex; flex-direction: column; align-items: center; gap: var(--space-md); text-align: center; }
.timer-panel .panel-title { margin-bottom: 0; }

.timer-task-label {
  background: var(--color-teal-dim);
  border: 1px solid rgba(0,229,195,0.2);
  border-radius: 20px;
  padding: 4px var(--space-md);
  max-width: 100%;
}
.timer-task-label__text {
  font-size: 0.8rem;
  color: var(--color-teal);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  max-width: 240px;
}

.timer-display {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-xl);
  width: 100%;
}
.timer-digits {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-teal);
  text-shadow: var(--glow-teal);
  letter-spacing: 0.05em;
  transition: color var(--transition-base), text-shadow var(--transition-base);
}
.timer-digits--running { color: var(--color-teal); }
.timer-digits--paused  { color: var(--color-amber); text-shadow: var(--glow-amber); }

.timer-controls { display: flex; gap: var(--space-sm); flex-wrap: wrap; justify-content: center; }
.timer-hint { font-size: 0.78rem; color: var(--color-text-muted); }

/* Selected task highlight */
.task-item--selected {
  border-color: var(--color-teal) !important;
  background: rgba(0,229,195,0.05) !important;
}
.task-item--selected .task-item__name { color: var(--color-teal); }

/* Insight card */
.insight-card { display: flex; flex-direction: column; gap: var(--space-md); animation-delay: 280ms; }
.insight-card__header { display: flex; align-items: center; gap: var(--space-sm); }
.insight-icon { font-size: 1.5rem; }
.insight-card__title { font-family: var(--font-display); font-size: 1.1rem; }
.insight-card__message {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  flex: 1;
  transition: color var(--transition-base);
}
.insight-card__message--warn    { color: var(--color-amber); }
.insight-card__message--commend { color: var(--color-teal); }
.insight-card__message--neutral { color: var(--color-text-secondary); }

.insight-card__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 20px;
  width: fit-content;
}
.insight-card__badge--warn    { background: var(--color-amber-dim); color: var(--color-amber); border: 1px solid rgba(255,184,48,0.3); }
.insight-card__badge--commend { background: var(--color-teal-dim);  color: var(--color-teal);  border: 1px solid rgba(0,229,195,0.3); }
.insight-card__badge--neutral { display: none; }

/* ── 9. FORM ── */
.task-form { display: grid; grid-template-columns: 1fr; gap: var(--space-md); }
.form-group { display: flex; flex-direction: column; gap: var(--space-xs); }
.form-group--action { display: flex; flex-direction: row; align-items: center; justify-content: space-between; gap: var(--space-md); margin-top: var(--space-sm); }
.form-label { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-secondary); display: flex; align-items: center; gap: var(--space-xs); }
.form-hint { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; border-radius: 50%; background: var(--color-glass-border); font-size: 0.65rem; color: var(--color-text-muted); cursor: help; text-decoration: none; border: 1px solid var(--color-glass-border); }
.form-input, .form-select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none; -webkit-appearance: none;
}
.form-input::placeholder { color: var(--color-text-muted); }
.form-input:focus, .form-select:focus { outline: none; border-color: var(--color-glass-border-focus); box-shadow: 0 0 0 3px rgba(0,229,195,0.10); }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238892AA' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: var(--space-xl);
  cursor: pointer;
}
.form-select option { background: var(--color-bg-surface); color: var(--color-text-primary); }
.form-error { color: var(--color-rose); font-size: 0.82rem; margin-top: var(--space-xs); }
.form-error::before { content: '⚠ '; }

/* ── 10. SLIDERS ── */
.slider-wrapper { display: flex; align-items: center; gap: var(--space-md); }
.form-slider {
  flex: 1; -webkit-appearance: none; appearance: none;
  height: 4px; border-radius: 2px; outline: none; cursor: pointer;
  background: linear-gradient(to right, var(--color-teal) 40%, var(--color-glass-border) 40%);
}
.form-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--color-teal); box-shadow: var(--glow-teal);
  border: 2px solid var(--color-bg-deep);
  transition: transform var(--transition-fast);
}
.form-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.form-slider::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--color-teal); box-shadow: var(--glow-teal); border: 2px solid var(--color-bg-deep); cursor: pointer; }
.form-slider::-moz-range-track { background: transparent; }
.slider-output { font-family: var(--font-mono); font-size: 1rem; font-weight: 700; color: var(--color-teal); min-width: 20px; text-align: center; }

/* ── 11. SCORE PREVIEW ── */
.score-preview { display: flex; flex-direction: column; gap: 2px; }
.score-preview__label { font-size: 0.68rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); }
.score-preview__value { font-family: var(--font-mono); font-size: 1.8rem; font-weight: 700; color: var(--color-teal); text-shadow: var(--glow-teal); line-height: 1; transition: color var(--transition-base), text-shadow var(--transition-base); }
.score-preview__value--critical { color: var(--color-rose);  text-shadow: var(--glow-rose); }
.score-preview__value--high     { color: var(--color-amber); text-shadow: var(--glow-amber); }
.score-preview__value--medium   { color: var(--color-teal);  text-shadow: var(--glow-teal); }

/* ── 12. TASK LIST ── */
.task-section__header { display: flex; flex-direction: column; gap: var(--space-md); margin-bottom: var(--space-lg); }
.task-section__header .panel-title { margin-bottom: 0; }
.task-list { display: flex; flex-direction: column; gap: var(--space-sm); }

.task-item {
  display: grid;
  grid-template-columns: 4px 44px 1fr auto;
  align-items: center;
  gap: var(--space-xs) var(--space-sm);
  background: rgba(12, 17, 32, 0.80);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
  animation: slide-in-right 0.35s var(--transition-slow) both;
}
.task-item:hover { transform: translateX(3px); background: var(--color-glass-bg-hover); border-color: rgba(255,255,255,0.14); }

.task-item__bar { width: 4px; min-height: 36px; border-radius: 2px; align-self: stretch; }
.task-item__bar--critical { background: var(--color-rose);  box-shadow: var(--glow-rose); }
.task-item__bar--high     { background: var(--color-amber); box-shadow: var(--glow-amber); }
.task-item__bar--medium   { background: var(--color-teal);  box-shadow: var(--glow-teal); }

.task-item__score { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700; text-align: center; line-height: 1; }
.task-item__score--critical { color: var(--color-rose); }
.task-item__score--high     { color: var(--color-amber); }
.task-item__score--medium   { color: var(--color-teal); }

.task-item__info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.task-item__name { font-size: 0.92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color var(--transition-base); }

/* Time badge on task */
.task-item__time-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--color-amber);
  background: var(--color-amber-dim);
  border: 1px solid rgba(255,184,48,0.2);
  border-radius: 10px;
  padding: 1px 7px;
  margin-top: 2px;
  width: fit-content;
}

.task-item__meta { font-size: 0.72rem; color: var(--color-text-muted); }
.task-item__actions { display: flex; align-items: center; gap: var(--space-sm); }

/* Checkbox */
.task-checkbox {
  appearance: none; -webkit-appearance: none;
  width: 20px; height: 20px; border-radius: 6px;
  border: 1.5px solid var(--color-glass-border);
  background: transparent; cursor: pointer; flex-shrink: 0;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}
.task-checkbox:hover { border-color: var(--color-teal); }
.task-checkbox:checked { background: var(--color-teal); border-color: var(--color-teal); box-shadow: var(--glow-teal); }
.task-checkbox:checked::after { content: ''; position: absolute; top: 3px; left: 6px; width: 5px; height: 9px; border: 2px solid var(--color-bg-deep); border-top: none; border-left: none; transform: rotate(45deg); }

/* Done state */
.task-item--done .task-item__name  { text-decoration: line-through; color: var(--color-text-muted); }
.task-item--done .task-item__bar   { opacity: 0.3; box-shadow: none; }
.task-item--done .task-item__score { opacity: 0.4; }

/* Delete button */
.btn-delete { width: 28px; height: 28px; border-radius: var(--radius-sm); color: var(--color-text-muted); font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: background var(--transition-fast), color var(--transition-fast); flex-shrink: 0; }
.btn-delete:hover { background: var(--color-rose-dim); color: var(--color-rose); }

/* ── 13. FILTER BUTTONS ── */
.filter-group { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.filter-btn { padding: 5px var(--space-md); border-radius: 20px; border: 1px solid var(--color-glass-border); color: var(--color-text-secondary); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast); }
.filter-btn:hover { border-color: rgba(255,255,255,0.2); color: var(--color-text-primary); }
.filter-btn--active { background: var(--color-teal-dim); border-color: var(--color-teal); color: var(--color-teal); }

/* ── 14. BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: var(--space-xs); padding: var(--space-sm) var(--space-lg); border-radius: var(--radius-md); font-size: 0.875rem; font-weight: 600; letter-spacing: 0.04em; transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), color var(--transition-fast); white-space: nowrap; }
.btn--primary { background: var(--color-teal);  color: var(--color-bg-deep); box-shadow: var(--glow-teal); }
.btn--primary:hover { background: #00ffd5; box-shadow: 0 0 36px rgba(0,229,195,0.50); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); }
.btn--danger  { background: var(--color-rose-dim); color: var(--color-rose); border: 1px solid rgba(255,84,112,0.3); }
.btn--danger:hover:not(:disabled)  { background: var(--color-rose); color: var(--color-bg-deep); box-shadow: var(--glow-rose); }
.btn--ghost   { background: var(--color-glass-bg); border: 1px solid var(--color-glass-border); color: var(--color-text-secondary); padding: 5px var(--space-sm); font-size: 0.72rem; }
.btn--ghost:hover { border-color: rgba(255,255,255,0.18); color: var(--color-text-primary); }
.btn--ghost.is-active { border-color: var(--color-teal); color: var(--color-teal); background: var(--color-teal-dim); }
.btn--ghost.is-active .focus-dot { background: var(--color-teal); box-shadow: var(--glow-teal); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; pointer-events: none; }

/* ── 15. PIE CHART ── */
.chart-section { animation-delay: 360ms; }
.chart-container { display: flex; flex-direction: column; align-items: center; gap: var(--space-lg); }
.pie-chart { width: 200px; height: 200px; flex-shrink: 0; filter: drop-shadow(0 0 20px rgba(0,0,0,0.5)); }

/* Pie slice hover effect */
.pie-slice { transition: opacity var(--transition-fast), transform var(--transition-base); transform-origin: 100px 100px; cursor: default; }
.pie-slice:hover { opacity: 0.85; transform: scale(1.04); }

/* Pie chart label text */
.pie-label { font-family: var(--font-body); font-size: 8px; fill: #fff; font-weight: 600; pointer-events: none; }

.chart-legend { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); justify-content: center; }
.legend-item { display: flex; align-items: center; gap: var(--space-xs); font-size: 0.78rem; color: var(--color-text-secondary); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.legend-time { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-muted); }

.chart-empty { text-align: center; font-size: 0.85rem; color: var(--color-text-muted); padding: var(--space-xl) 0; }

/* ── 16. TOAST ── */
.toast { position: fixed; bottom: var(--space-xl); left: 50%; transform: translateX(-50%) translateY(20px); background: rgba(15,20,35,0.95); border: 1px solid var(--color-glass-border); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-radius: var(--radius-md); padding: var(--space-sm) var(--space-lg); font-size: 0.875rem; z-index: 999; opacity: 0; pointer-events: none; transition: opacity var(--transition-base), transform var(--transition-base); }
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── 17. EMPTY STATE ── */
.empty-state { display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); padding: var(--space-2xl) var(--space-lg); text-align: center; }
.empty-state__icon { font-size: 2.5rem; color: var(--color-text-muted); opacity: 0.4; animation: pulse-icon 4s ease-in-out infinite; }
.empty-state__title { font-family: var(--font-display); font-size: 1.15rem; color: var(--color-text-secondary); }
.empty-state__sub { font-size: 0.82rem; color: var(--color-text-muted); max-width: 280px; }

/* ── 18. FOCUS MODE ── */
.focus-mode-active .task-item:not(.task-item--top) { opacity: 0.3; filter: blur(1px); }
.focus-mode-active .orb { opacity: 0.08; }

/* ── 19. ANIMATIONS ── */
@keyframes slide-up        { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slide-in-right  { from { opacity: 0; transform: translateX(-12px); } to { opacity: 1; transform: translateX(0); } }
@keyframes drift-teal  { from { transform: translate(0,0) scale(1); }    to { transform: translate(80px,60px) scale(1.1); } }
@keyframes drift-amber { from { transform: translate(0,0) scale(1.05); } to { transform: translate(-60px,-80px) scale(0.95); } }
@keyframes drift-rose  { from { transform: translate(0,0) scale(1); }    to { transform: translate(-40px,60px) scale(1.08); } }
@keyframes pulse-icon  { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes score-pop   { 0% { transform: scale(1); } 50% { transform: scale(1.15); } 100% { transform: scale(1); } }
.score-pop { animation: score-pop 0.3s var(--transition-slow); }

/* ── 20. RESPONSIVE ── */
@media (min-width: 480px) {
  .stat-card__value { font-size: 1.8rem; }
  .stat-card { padding: var(--space-md); }
}
@media (min-width: 600px) {
  .site-header { padding: var(--space-md) var(--space-lg); }
  .main-content { padding: var(--space-lg) var(--space-md); gap: var(--space-lg); }
  .header__date { display: block; }
  .header__meta { gap: var(--space-sm); }
  .btn--ghost { padding: 6px var(--space-md); font-size: 0.8rem; }
  .task-form { grid-template-columns: 1fr 1fr; }
  .form-group--full, .form-group--action { grid-column: 1 / -1; }
  .task-section__header { flex-direction: row; align-items: center; justify-content: space-between; }
  .chart-container { flex-direction: row; align-items: flex-start; }
  .chart-legend { justify-content: flex-start; }
  .stat-card { border-radius: var(--radius-lg); padding: var(--space-lg) var(--space-md); }
  .input-panel, .task-section, .timer-panel, .insight-card, .chart-section { padding: var(--space-lg); border-radius: var(--radius-xl); }
  .timer-digits { font-size: 2.8rem; }
  .score-preview__value { font-size: 2.2rem; }
  .task-item { grid-template-columns: 4px 52px 1fr auto; gap: var(--space-sm) var(--space-md); padding: var(--space-sm) var(--space-md); }
}
@media (min-width: 768px) {
  .main-content { padding: var(--space-xl) var(--space-lg); }
  .timer-insight-row { grid-template-columns: 1fr 1fr; }
  .stat-card__value { font-size: 2.5rem; }
  .task-item { grid-template-columns: 4px 60px 1fr auto; padding: var(--space-md) var(--space-lg); }
}
@media (min-width: 1024px) {
  .main-content { padding: var(--space-xl) var(--space-2xl); }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}