/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #1C1C1E;
  border: none;
  border-radius: var(--radius);
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-body);
  cursor: pointer;
  transition: opacity var(--trans), transform var(--trans), box-shadow var(--trans);
}
.btn-primary:active { opacity: 0.85; transform: scale(0.97); }
.btn-large  { width: 100%; padding: 18px; font-size: 16px; }
.btn-glow   { box-shadow: 0 4px 20px rgba(173,255,47,0.4); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent-dark);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--trans);
}
.btn-outline:active { background: var(--accent-dim); }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

/* ── Bottom nav ── */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-card);
  border-top: 1px solid rgba(0,0,0,0.08);
  display: flex;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}
.bottom-nav.hidden { display: none; }

.nav-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 10px 0;
  cursor: pointer;
  transition: color var(--trans);
  position: relative;
}
.nav-btn .nav-icon { width: 22px; height: 22px; }
.nav-btn .nav-label {
  font-size: 10px;
  font-weight: 600;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.nav-btn.active { color: var(--text-1); }
.nav-btn.active .nav-label { color: var(--text-1); font-weight: 700; }
.nav-btn.active::after {
  content: '';
  position: absolute;
  top: 0; left: 25%; right: 25%;
  height: 2.5px;
  background: var(--accent);
  border-radius: 0 0 4px 4px;
}

/* ── Stats row ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 14px 0;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 14px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2.5px;
  background: var(--accent);
  border-radius: 0 0 2px 2px;
}
.stat-value {
  font-family: var(--font-body);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-1);
  line-height: 1;
}
.stat-label {
  font-size: 11px;
  color: var(--text-2);
  text-align: center;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ── Level progress ── */
.level-progress-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 14px 16px;
  border: 1px solid var(--border);
  margin-bottom: 4px;
  box-shadow: var(--shadow-card);
}
.level-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 10px;
  font-weight: 500;
}
.progress-bar-track {
  height: 6px;
  background: rgba(0,0,0,0.06);
  border-radius: 99px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
  transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
}

/* ── Level badge ── */
.level-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--accent);
  color: #1C1C1E;
}
.big-level-badge {
  font-size: 28px;
  font-weight: 800;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text-1);
}

/* ── Toggle ── */
.toggle-switch { position: relative; width: 46px; height: 26px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--text-3);
  border-radius: 99px;
  cursor: pointer;
  transition: background var(--trans);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--trans);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ── Reminder card ── */
.reminder-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
  margin-top: 12px;
  box-shadow: var(--shadow-card);
}
.reminder-icon { width: 26px; height: 26px; color: var(--accent-dark); flex-shrink: 0; }
.reminder-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.reminder-title { font-weight: 700; font-size: 14px; color: var(--text-1); }
.reminder-sub { font-size: 12px; color: var(--text-2); }

/* ── Modal ── */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }
.modal-content {
  position: relative;
  background: var(--bg-card);
  border-radius: 24px;
  padding: 36px 24px;
  margin: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  animation: fadeInUp 0.3s both;
}
.modal-emoji { width: 64px; height: 64px; color: var(--accent-dark); }
.modal-content h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-1);
}
.modal-content p  { color: var(--text-2); font-size: 15px; }
.modal-content .btn-primary { width: 100%; margin-top: 8px; }

/* ── Confetti ── */
.confetti-canvas { position: fixed; inset: 0; pointer-events: none; z-index: 150; }
.confetti-canvas.hidden { display: none; }

/* ── Inputs ── */
input[type="number"], input[type="text"], textarea {
  width: 100%;
  background: var(--bg-card-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  padding: 14px 16px;
  font-size: 16px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--trans), box-shadow var(--trans);
  -webkit-appearance: none;
}
input[type="number"]:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(173,255,47,0.15);
}
textarea { resize: none; min-height: 80px; }
input::placeholder, textarea::placeholder { color: var(--text-3); }