:root {
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --primary-active: #3730A3;
  --primary-light: #EEF2FF;
  --bg: #F3F4F6;
  --card-bg: #FFFFFF;
  --text: #111827;
  --text-muted: #6B7280;
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --border: #E5E7EB;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.12), 0 4px 8px -2px rgba(0,0,0,0.06);
  --radius: 12px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  height: 100dvh;
  overflow: hidden;
}

/* ── Layout ── */
.app-container {
  max-width: 600px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bg);
  box-shadow: 0 0 60px rgba(0,0,0,0.06);
}

/* ── Header ── */
.app-header {
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
  flex-shrink: 0;
}

.app-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}

.global-total {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 20px;
}

/* ── Counter List ── */
.counter-list {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px 100px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.counter-list::-webkit-scrollbar { width: 4px; }
.counter-list::-webkit-scrollbar-track { background: transparent; }
.counter-list::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12); border-radius: 2px; }

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 80px;
  color: var(--text-muted);
  text-align: center;
  user-select: none;
}

.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.empty-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.empty-hint {
  font-size: 14px;
  color: var(--text-muted);
}

/* ── Counter Card ── */
.counter-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px 16px 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow 0.15s ease;
}

.counter-card:hover {
  box-shadow: var(--shadow-md);
}

/* Card header: name + options menu */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.counter-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  word-break: break-word;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.menu-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.menu-btn:hover {
  background: var(--bg);
  color: var(--text);
}

.menu-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Card body: −  VALUE  +  ↺ */
.card-body {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.count-display {
  font-size: 52px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  min-width: 80px;
  text-align: center;
  line-height: 1;
  letter-spacing: -1px;
  flex: 1;
}

.control-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, border-color 0.12s, transform 0.1s, box-shadow 0.12s;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.control-btn:hover {
  background: var(--bg);
  border-color: #D1D5DB;
  box-shadow: var(--shadow-md);
}

.control-btn:active {
  transform: scale(0.88);
  box-shadow: none;
}

.control-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.control-btn.increment {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.control-btn.increment:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 4px 14px rgba(79,70,229,0.35);
}

.control-btn.increment:active {
  background: var(--primary-active);
  border-color: var(--primary-active);
}

/* Reset button — compact text link style */
.card-footer {
  display: flex;
  justify-content: center;
}

.reset-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: none;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.reset-btn:hover {
  background: var(--bg);
  color: var(--text);
  border-color: #D1D5DB;
}

.reset-btn:active {
  background: var(--border);
}

.reset-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ── FAB ── */
.fab {
  position: absolute;
  bottom: 28px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  z-index: 40;
}

.fab:hover {
  background: var(--primary-hover);
  transform: scale(1.06);
  box-shadow: 0 12px 30px rgba(79,70,229,0.4);
}

.fab:active {
  transform: scale(0.94);
  box-shadow: var(--shadow-md);
}

.fab:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 16px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--card-bg);
  width: 100%;
  max-width: 400px;
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: var(--font);
  color: var(--text);
  background: var(--card-bg);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.btn-cancel {
  padding: 9px 18px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: none;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-cancel:hover {
  background: var(--bg);
  color: var(--text);
}

.btn-cancel:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  padding: 9px 20px;
  border-radius: 8px;
  border: none;
  background: var(--primary);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: white;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

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

/* ── Context Menu ── */
.context-menu {
  position: fixed;
  background: var(--card-bg);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 4px;
  min-width: 148px;
  z-index: 80;
  animation: popIn 0.12s ease-out;
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.92) translateY(-4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 9px 12px;
  border: none;
  background: none;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.12s;
}

.menu-item:hover {
  background: var(--bg);
}

.menu-item:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.menu-item.text-danger {
  color: var(--danger);
}

.menu-item.text-danger:hover {
  background: var(--danger-bg);
}

/* ── Responsive ── */
@media (max-width: 420px) {
  .count-display {
    font-size: 44px;
    min-width: 64px;
  }

  .control-btn {
    width: 44px;
    height: 44px;
  }

  .card-body {
    gap: 8px;
  }

  .counter-list {
    padding: 12px 12px 90px;
    gap: 10px;
  }

  .app-header {
    padding: 14px 16px;
  }
}