:root {
  --primary-color: #3f51b5; /* Modern indigo */
  --primary-dark: #303f9f;
  --secondary-color: #f50057; /* Pink accent */
  --bg-color: #f4f6f8; /* Soft background */
  --card-bg: #ffffff;
  --text-main: #212529;
  --text-muted: #6c757d;
  --border-color: #e9ecef;
  --danger-color: #ff4d4f;
  --success-color: #52c41a;
  
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-floating: 0 6px 16px rgba(0,0,0,0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans KR", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Base App Layout */
.app-container {
  max-width: 100%;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Tablet landscape & Desktop */
@media (min-width: 768px) {
  .app-container {
    max-width: 100%; /* Or constrain if needed, but it's tablet focused */
  }
}

/* Utility */
.text-danger { color: var(--danger-color); }
.text-success { color: var(--success-color); }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }

/* Form Controls */
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.2s ease;
  background-color: #fff;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(63, 81, 181, 0.2);
}

input:read-only, input:disabled, select:disabled {
  background-color: #f8f9fa;
  color: var(--text-muted);
  cursor: not-allowed;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}
.btn-primary:active { background-color: var(--primary-dark); }
.btn-danger {
  background-color: #ffeef0;
  color: var(--danger-color);
}
.btn-secondary {
  background-color: #f1f3f5;
  color: var(--text-main);
}

/* svelte-french-toast 모바일/태블릿 터치 시 멈춤 현상(Pause on Hover/Focus) 방지 */
.toaster, .toaster * {
  pointer-events: none !important;
}