/* ===== CSS VARIABLES ===== */
:root {
  --primary: #2856b4;
  --primary-dark: #1a3d7c;
  --primary-light: #4a8fd9;
  --primary-pale: #e8f0fc;
  --primary-glow: rgba(43, 86, 180, 0.18);
  --accent: #ff6535;
  --success: #27ae60;
  --danger: #e74c3c;
  --warning: #f39c12;
  --text-primary: #0d1b3e;
  --text-secondary: #4a5568;
  --text-muted: #9ca3af;
  --bg-main: #f0f5fc;
  --bg-card: #ffffff;
  --border: #e2ecf8;
  --border-focus: #2856b4;
  --shadow-sm: 0 2px 8px rgba(43, 86, 180, 0.08);
  --shadow: 0 4px 20px rgba(43, 86, 180, 0.12);
  --shadow-lg: 0 8px 40px rgba(43, 86, 180, 0.2);
  --shadow-xl: 0 20px 60px rgba(43, 86, 180, 0.28);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===========================
   MAIN PAGE
=========================== */
.main-body {
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px 20px;
  overflow: hidden;
  position: relative;
}

.main-bg-circle {
  position: absolute;
  border-radius: 50%;
  animation: pulse-slow 6s ease-in-out infinite;
  pointer-events: none;
  opacity: 0.5;
}
.main-bg-circle.c1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(40, 86, 180, 0.06) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.main-bg-circle.c2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(39, 174, 96, 0.04) 0%, transparent 70%);
  bottom: -80px; left: -80px;
  animation-delay: 3s;
}

@keyframes pulse-slow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.12); opacity: 1; }
}

.main-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 44px;
  z-index: 1;
  position: relative;
  width: 100%;
  max-width: 480px;
}

/* Logo */
.logo-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-logo {
  width: 300px;
  max-width: 80vw;
  animation: float 4s ease-in-out infinite;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.06));
}

.logo-glow {
  position: absolute;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(40, 86, 180, 0.03) 0%, transparent 65%);
  border-radius: 50%;
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

@keyframes glow-pulse {
  0%, 100% { transform: scale(0.85); opacity: 0.4; }
  50% { transform: scale(1.15); opacity: 1; }
}

/* Menu Grid */
.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  width: 100%;
}

.menu-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 34px 20px 28px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

#btn-sales {
  background: linear-gradient(135deg, #2856b4, #1a3d7c);
  color: white;
  border: 1px solid rgba(40, 86, 180, 0.15);
  box-shadow: 0 8px 24px rgba(40, 86, 180, 0.18);
}
#btn-sales .menu-title {
  color: white;
}
#btn-sales .menu-subtitle {
  color: rgba(255, 255, 255, 0.78);
}
#btn-sales .menu-arrow {
  color: white;
  opacity: 0.6;
}

#btn-purchase {
  background: linear-gradient(135deg, #27ae60, #1e8449);
  color: white;
  border: 1px solid rgba(39, 174, 96, 0.15);
  box-shadow: 0 8px 24px rgba(39, 174, 96, 0.18);
}
#btn-purchase .menu-title {
  color: white;
}
#btn-purchase .menu-subtitle {
  color: rgba(255, 255, 255, 0.78);
}
#btn-purchase .menu-arrow {
  color: white;
  opacity: 0.6;
}

#btn-unpaid {
  background: linear-gradient(135deg, #8e44ad, #5e3370);
  color: white;
  border: 1px solid rgba(142, 68, 173, 0.15);
  box-shadow: 0 8px 24px rgba(142, 68, 173, 0.18);
}
#btn-unpaid .menu-title { color: white; }
#btn-unpaid .menu-subtitle { color: rgba(255, 255, 255, 0.78); }
#btn-unpaid .menu-arrow { color: white; opacity: 0.6; }

.menu-card:hover {
  transform: translateY(-8px) scale(1.02);
}
#btn-sales:hover {
  box-shadow: 0 16px 36px rgba(40, 86, 180, 0.32);
  border-color: rgba(255,255,255,0.25);
}
#btn-purchase:hover {
  box-shadow: 0 16px 36px rgba(39, 174, 96, 0.32);
  border-color: rgba(255,255,255,0.25);
}
#btn-unpaid:hover {
  box-shadow: 0 16px 36px rgba(142, 68, 173, 0.32);
  border-color: rgba(255,255,255,0.25);
}

.menu-card:active { transform: translateY(-2px) scale(0.99); }

.menu-icon { font-size: 2.8rem; margin-bottom: 4px; }
.menu-title { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em; }
.menu-subtitle { font-size: 0.72rem; font-weight: 400; }
.menu-arrow {
  margin-top: 10px;
  font-size: 0.9rem;
  transition: var(--transition);
}
.menu-card:hover .menu-arrow {
  opacity: 1;
  transform: translateX(5px);
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-align: center;
}

/* ===========================
   INNER PAGES - HEADER
=========================== */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 24px rgba(43, 86, 180, 0.45);
  min-height: 60px;
}

.btn-back {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
  text-decoration: none;
  flex-shrink: 0;
}

.btn-back:hover {
  background: rgba(255,255,255,0.28);
  transform: scale(1.08);
}

.header-logo { height: 32px; filter: brightness(0) invert(1); }

.page-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
  flex: 1;
  letter-spacing: -0.01em;
}

/* ===========================
   INNER PAGES - BODY
=========================== */
.page-body {
  max-width: 680px;
  margin: 0 auto;
  padding: 20px 14px 100px;
}

/* ===========================
   UNPAID ALERT
=========================== */
.alert-unpaid {
  background: linear-gradient(135deg, #c0392b, #e74c3c);
  color: white;
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  box-shadow: 0 6px 24px rgba(231, 76, 60, 0.38);
  animation: alert-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes alert-in {
  0% { transform: translateY(-12px) scale(0.95); opacity: 0; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

.alert-icon { font-size: 1.6rem; flex-shrink: 0; }

.alert-label { font-size: 0.72rem; opacity: 0.85; font-weight: 400; margin-bottom: 2px; }
.alert-amount { font-size: 1.35rem; font-weight: 900; letter-spacing: -0.03em; }

/* ===========================
   FORM CARDS
=========================== */
.form-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  border: 1px solid var(--border);
}

.section-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::after {
  content: '🧮';
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-left: 4px;
}

/* ===========================
   FORM INPUTS
=========================== */
.form-group { margin-bottom: 14px; }

.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  background: #f8faff;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--border-focus);
  background: white;
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder { color: var(--text-muted); font-weight: 400; }

/* Company Chips */
.company-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.chip {
  background: white;
  border: 1px solid var(--border);
  color: var(--primary-dark);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.chip:hover {
  border-color: var(--primary);
  background: var(--primary-pale);
  transform: translateY(-1px);
}

/* ===========================
   CALC ROWS
=========================== */
.calc-card {
  background: #f8faff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: var(--transition);
}

.calc-card:focus-within {
  border-color: var(--primary-light);
  background: white;
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.calc-card-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.calc-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.calc-input {
  flex: 1;
  min-width: 72px;
  padding: 9px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  background: white;
  transition: var(--transition);
  outline: none;
  text-align: right;
}

.calc-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.calc-op { font-size: 1rem; font-weight: 800; color: var(--primary); flex-shrink: 0; }

.calc-result {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  min-width: 90px;
  text-align: right;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Commission */
.calc-card.commission-card {
  background: linear-gradient(135deg, #fff4f0, #fff8f5);
  border-color: #ffd5c2;
}

.calc-card.commission-card:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 101, 53, 0.15);
}

.calc-card.commission-card .calc-card-label { color: #c0392b; }
.calc-input.commission-input { max-width: 88px; }
.calc-result.commission-result { background: linear-gradient(135deg, var(--accent), #e05030); }

/* ===========================
   TOTAL CARD
=========================== */
.total-card {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.total-card::after {
  content: '🧮';
  position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 70%);
  border-radius: 50%;
}

.total-label { font-size: 0.9rem; font-weight: 700; color: rgba(255,255,255,0.8); }
.total-right { display: flex; align-items: baseline; gap: 4px; }
.total-amount { font-size: 1.8rem; font-weight: 900; color: white; letter-spacing: -0.03em; }
.total-unit { font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.75); }

/* ===========================
   SAVE BUTTON
=========================== */
.btn-save {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: var(--radius);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}

.btn-save::before {
  content: '🧮';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: var(--transition);
}

.btn-save:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-save:hover::before { opacity: 1; }
.btn-save:active { transform: translateY(0); }
.btn-save:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

/* ===========================
   RECORDS SECTION
=========================== */
.records-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.records-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.records-title { font-size: 0.95rem; font-weight: 700; }

.records-count {
  background: var(--primary-pale);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
}

.records-search {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.88rem;
  background: #f8faff;
  outline: none;
  transition: var(--transition);
  margin-bottom: 14px;
}

.records-search:focus {
  border-color: var(--border-focus);
  background: white;
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Record Item */
.record-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 14px;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.record-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.record-item:last-child { margin-bottom: 0; }

.record-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.record-company { font-weight: 700; font-size: 0.9rem; }
.record-date { font-size: 0.72rem; color: var(--text-muted); }

.record-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.record-detail { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }
.record-total { font-size: 1rem; font-weight: 700; color: var(--primary); }

.record-memo { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }

.record-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  justify-content: flex-end;
}

.btn-delete {
  padding: 4px 12px;
  background: transparent;
  border: 1.5px solid #ffbdbd;
  color: var(--danger);
  border-radius: var(--radius-xs);
  font-size: 0.72rem;
  font-family: 'Noto Sans KR', sans-serif;
  cursor: pointer;
  transition: var(--transition);
}

.btn-delete:hover { background: var(--danger); color: white; border-color: var(--danger); }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-icon { font-size: 2.8rem; margin-bottom: 10px; }
.empty-text { font-size: 0.85rem; }

/* ===========================
   LOADING
=========================== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===========================
   TOAST
=========================== */
.toast-container {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: #111827;
  color: white;
  padding: 12px 22px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  animation: toast-in 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), toast-out 0.3s ease 2.7s forwards;
  pointer-events: none;
  white-space: nowrap;
}

.toast.success { background: linear-gradient(135deg, #27ae60, #1e8449); }
.toast.error { background: linear-gradient(135deg, #e74c3c, #c0392b); }

@keyframes toast-in {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes toast-out {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(8px); }
}

/* ===========================
   MODAL & FAB
=========================== */
.fab-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  box-shadow: 0 4px 16px rgba(43, 86, 180, 0.4);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  transition: var(--transition);
}

.fab-btn:hover {
  transform: scale(1.08) translateY(-4px);
  box-shadow: 0 8px 24px rgba(43, 86, 180, 0.5);
}

.fab-btn:active {
  transform: scale(0.95);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 27, 62, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: flex-end; /* Mobile friendly bottom sheet style */
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

/* Modal Content (Form Card overrides) */
.modal-content {
  background: var(--bg-main);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 24px 24px 0 0;
  padding: 24px 20px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 -8px 30px rgba(0,0,0,0.15);
}

@media (min-width: 680px) {
  .modal-overlay {
    align-items: center;
  }
  .modal-content {
    border-radius: var(--radius-lg);
    max-height: 85vh;
  }
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.modal-header .section-title {
  margin-bottom: 0;
  font-size: 1.1rem;
}

.modal-header .section-title::after {
  display: none;
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: var(--transition);
}

.btn-close-modal:hover {
  color: var(--danger);
  transform: rotate(90deg);
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 480px) {
  .menu-grid { gap: 12px; }
  .menu-card { padding: 26px 14px 22px; }
  .menu-icon { font-size: 2.2rem; }
  .menu-title { font-size: 1.3rem; }
  .main-logo { width: 240px; }
  .total-amount { font-size: 1.5rem; }
  .calc-input { min-width: 58px; font-size: 0.88rem; }
  .calc-result { min-width: 78px; font-size: 0.82rem; }
  .fab-btn { right: 16px; bottom: 16px; width: 50px; height: 50px; font-size: 1.5rem; }
}

@media (max-width: 360px) {
  .calc-row { gap: 5px; }
  .calc-op { font-size: 0.85rem; }
}
/* ===========================
   TABS & NOTEPAD
=========================== */
.nav-tabs {
  display: flex;
  background: white;
  border-radius: var(--radius-lg);
  padding: 6px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.nav-item {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
}

.nav-item.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(43, 86, 180, 0.2);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Calculator Textarea */
.calc-textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-family: inherit;
  font-size: 1rem;
  min-height: 80px;
  resize: vertical;
  transition: var(--transition);
}

.calc-textarea:focus {
  border-color: var(--border-focus);
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.calc-preview {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--primary-dark);
  font-weight: 600;
  background: var(--primary-pale);
  padding: 8px 12px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc-preview::before {
  content: '🧮';
}

/* Notepad */
.note-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.note-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.note-content {
  white-space: pre-wrap;
  line-height: 1.5;
  color: var(--text-color);
}