/* =============================================================================
 * ui_template_elements_styles.ts
 * 공통 컴포넌트 기본 스타일 규칙 — injectBaseStyles() 로 1회 주입한다.
 *
 * `ui_template_elements.ts` 가 700줄을 넘어 떼어냈다(2026-09-04). 규칙 문자열은
 * 그대로이고, 본체가 다시 내보내므로 호출부는 바뀌지 않는다.
 * ========================================================================== */

import { el } from "./ui_template_elements_base";

const BASE_STYLE_ID = "ui-template-elements-style";

const BASE_CSS = `
[hidden] { display: none !important; }

/* --- Button --- */
.ui-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-8);
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-buttons);
  padding: var(--spacing-8) var(--spacing-16);
  cursor: pointer;
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast), color var(--transition-fast);
}
.ui-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.ui-btn__icon { display: inline-flex; width: 16px; height: 16px; }

.ui-btn--filled {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  box-shadow: var(--shadow-sm);
}
.ui-btn--filled:hover:not(:disabled) { background-color: var(--color-royal-amethyst); }

.ui-btn--ghost {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.ui-btn--ghost:hover:not(:disabled) { background-color: var(--color-mist-violet); }

.ui-btn--pill {
  background-color: transparent;
  color: var(--color-plum-velvet);
  border-radius: var(--radius-pills);
}
.ui-btn--pill:hover:not(:disabled),
.ui-btn--pill.is-active { background-color: var(--color-mist-violet); }

.ui-btn--danger {
  background-color: var(--color-danger);
  color: var(--color-canvas);
}

/* 3D 뷰포트 오버레이용: 배경 위에 떠 있어 반투명 + 블러 필요 */
.ui-btn--glass {
  border-color: color-mix(in srgb, var(--color-border) 65%, transparent);
  background-color: color-mix(in srgb, var(--color-surface-raised) 72%, transparent);
  color: var(--color-text-body);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.ui-btn--glass:hover:not(:disabled),
.ui-btn--glass.is-active {
  border-color: var(--color-primary);
  background-color: color-mix(in srgb, var(--color-primary) 82%, transparent);
  color: var(--color-primary-text);
}

/* --- Input Field --- */
.ui-field { display: flex; flex-direction: column; gap: var(--spacing-4); }
.ui-field__label {
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}
.ui-input {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  color: var(--color-text-body);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inputs);
  padding: 10px 14px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.ui-input::placeholder { color: var(--color-text-muted); }
.ui-input:focus {
  outline: none;
  border-color: var(--color-focus-ring);
  box-shadow: 0 0 0 1px var(--color-focus-ring);
}
.ui-input--error { border-color: var(--color-danger); }
.ui-field__error {
  font-size: var(--text-caption);
  color: var(--color-danger);
  min-height: 0;
  visibility: hidden;
}
.ui-field__error.is-visible { visibility: visible; }

.ui-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  color: var(--color-text-body);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inputs);
  padding: 10px 36px 10px 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%233e0079'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.ui-select:focus {
  outline: none;
  border-color: var(--color-focus-ring);
  box-shadow: 0 0 0 1px var(--color-focus-ring);
}
.ui-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Card --- */
.ui-card {
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
  box-shadow: var(--shadow-sm);
}
.ui-card--raised { box-shadow: var(--shadow-lg); border-color: transparent; }
.ui-card__title {
  font-family: var(--font-display);
  color: var(--color-plum-velvet);
  margin-bottom: var(--spacing-16);
}
.ui-card__body { display: flex; flex-direction: column; gap: var(--spacing-16); }

/* --- Tag / Pill --- */
.ui-tag {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pills);
  padding: var(--spacing-4) var(--spacing-16);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  line-height: 1.3;
}
.ui-tag--accent { background-color: var(--color-mist-violet); color: var(--color-royal-amethyst); }
.ui-tag--neutral { background-color: var(--color-paper); color: var(--color-slate); }
.ui-tag--success { background-color: var(--color-mist-violet); color: var(--color-success); }
.ui-tag--warning { background-color: var(--color-paper); color: var(--color-warning); }
.ui-tag--danger { background-color: var(--color-paper); color: var(--color-danger); }

/* --- Loading Overlay + Spinner --- */
.ui-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: rgba(38, 17, 74, 0.24);
  z-index: var(--z-overlay);
}
.ui-overlay.is-active { display: flex; }
.ui-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-mist-violet);
  border-top-color: var(--color-royal-amethyst);
  border-radius: var(--radius-pills);
  animation: ui-spin 0.8s linear infinite;
}
@keyframes ui-spin { to { transform: rotate(360deg); } }

/* --- Toast --- */
.ui-toast-container {
  position: fixed;
  top: var(--spacing-24);
  right: var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  z-index: var(--z-toast);
}
.ui-toast {
  padding: var(--spacing-16) var(--spacing-24);
  border-radius: var(--radius-cards);
  font-size: var(--text-body-sm);
  color: var(--color-canvas);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateX(16px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}
.ui-toast.is-visible { opacity: 1; transform: translateX(0); }
.ui-toast--success { background-color: var(--color-success); }
.ui-toast--error { background-color: var(--color-danger); }
.ui-toast--warning { background-color: var(--color-warning); }
.ui-toast--info { background-color: var(--color-royal-amethyst); }

/* --- Confirm 모달 (window.confirm 대체 — 공용 브라우저 호환) --- */
.ui-confirm {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(38, 17, 74, 0.35);
  z-index: var(--z-confirm);
}
.ui-confirm__panel {
  min-width: 300px;
  max-width: 420px;
  padding: var(--spacing-24);
  border-radius: var(--radius-cards);
  background-color: var(--color-surface-raised);
  box-shadow: var(--shadow-lg);
}
.ui-confirm__message {
  margin: 0 0 var(--spacing-16);
  color: var(--color-text-body);
  font-size: var(--text-body-sm);
  white-space: pre-line;
}
.ui-confirm__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-8);
}

/* --- Workflow Shell (3단 레이아웃) --- */
.ui-wf { display: flex; flex-direction: column; height: 100%; }
.ui-wf__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--wf-header-height);
  padding: 0 var(--spacing-24);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface-raised);
}
.ui-wf__title { font-size: var(--text-subheading); }
.ui-wf__body { display: flex; flex: 1; min-height: 0; }
.ui-wf__left {
  width: var(--wf-left-panel-width);
  flex-shrink: 0;
  padding: var(--spacing-24);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  background-color: var(--color-surface);
}
.ui-wf__right {
  flex: 1;
  min-width: 0;
  overflow: auto;
  background-color: var(--color-bg);
}

/* --- Line Chart --- */
.ui-chart {
  width: 100%;
}
.ui-chart__plot {
  position: relative;
  width: 100%;
}
.ui-chart__svg {
  width: 100%;
  height: auto;
  display: block;
}
.ui-chart__empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  color: var(--color-text-muted);
  font-size: var(--text-body);
}
.ui-chart__grid {
  stroke: var(--color-border);
  stroke-width: 1;
  opacity: 0.5;
}
.ui-chart__grid--vertical {
  stroke-dasharray: 4, 4;
}
.ui-chart__tick {
  fill: var(--color-text-muted);
  font-size: 12px;
  font-family: var(--font-body);
}
.ui-chart__tick--x {
  font-size: 11px;
}
.ui-chart__line {
  fill: none;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.ui-chart__line--c0 { stroke: var(--color-chart-0); }
.ui-chart__line--c1 { stroke: var(--color-chart-1); }
.ui-chart__line--c2 { stroke: var(--color-chart-2); }
.ui-chart__line--c3 { stroke: var(--color-chart-3); }
.ui-chart__point {
  stroke-width: 1.5;
  stroke: var(--color-surface);
}
.ui-chart__point--c0 { fill: var(--color-chart-0); }
.ui-chart__point--c1 { fill: var(--color-chart-1); }
.ui-chart__point--c2 { fill: var(--color-chart-2); }
.ui-chart__point--c3 { fill: var(--color-chart-3); }

.ui-chart__legend {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-8);
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--spacing-8) var(--spacing-16);
  padding: var(--spacing-4) var(--spacing-8);
  border-radius: var(--radius-cards);
  background-color: color-mix(in srgb, var(--color-surface) 78%, transparent);
  pointer-events: none;
}
.ui-chart__legend-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-caption);
  color: var(--color-text);
}
.ui-chart__legend-item::before {
  content: "";
  width: 12px;
  height: 3px;
  border-radius: 2px;
  background-color: currentColor;
}
.ui-chart__legend-item--c0 { color: var(--color-chart-0); }
.ui-chart__legend-item--c1 { color: var(--color-chart-1); }
.ui-chart__legend-item--c2 { color: var(--color-chart-2); }
.ui-chart__legend-item--c3 { color: var(--color-chart-3); }
`;

/** 공통 컴포넌트 기본 스타일을 <head>에 1회 주입. 앱 진입 시 호출. */
export function injectBaseStyles(): void {
  if (document.getElementById(BASE_STYLE_ID)) return;
  const style = el("style", { attrs: { id: BASE_STYLE_ID } });
  style.textContent = BASE_CSS;
  document.head.append(style);
}