/* =============================================
   감정 필터기 v2 — 젠지 디자인 시스템
   ============================================= */

:root {
  /* 컬러 */
  --bg:          #0F0F13;
  --surface:     #1A1A22;
  --surface2:    #22222E;
  --surface3:    #2A2A38;
  --border:      rgba(255,255,255,0.08);
  --border-hover:rgba(255,255,255,0.18);

  --primary:     #7C6EFA;
  --primary-dim: rgba(124,110,250,0.15);
  --primary-glow:rgba(124,110,250,0.35);

  --gyareuk:     #FF8FAB;
  --gyareuk-dim: rgba(255,143,171,0.12);
  --business:    #7C6EFA;
  --business-dim:rgba(124,110,250,0.12);
  --sigh:        #FFB347;
  --sigh-dim:    rgba(255,179,71,0.12);

  --text:        #F0F0F5;
  --text-2:      #A0A0B8;
  --text-3:      #606078;
  --success:     #4ADE80;

  /* 타이포 */
  --font: 'Pretendard', -apple-system, 'Segoe UI', sans-serif;

  /* 레이아웃 */
  --max-w: 560px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 26px;

  /* 트랜지션 */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t: 0.18s var(--ease);
}

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

html { font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── 레이아웃 ── */
.app {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 16px 80px;
}

/* ── 헤더 ── */
.header {
  padding: 32px 0 8px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-emoji {
  font-size: 36px;
  line-height: 1;
}

.logo h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
}

.logo-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-top: 1px;
}

.hook {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  margin-bottom: 8px;
}

.hook-main {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -0.3px;
}

.hook-sub {
  font-size: 14px;
  color: var(--text-2);
}

.hook-muted {
  color: var(--text-3);
}

/* ── 섹션 공통 ── */
.main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.2px;
}

.label-muted {
  color: var(--text-3);
  font-weight: 400;
}

/* ── 모드 ── */
.mode-section .section-label {
  display: block;
  margin-bottom: 12px;
}

.mode-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mode-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px 12px;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: var(--t);
  font-family: var(--font);
  text-align: center;
  color: var(--text-2);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.mode-btn:hover {
  border-color: var(--border-hover);
  background: var(--surface3);
}

.mode-emoji {
  font-size: 24px;
  line-height: 1;
  display: block;
}

.mode-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.mode-desc {
  font-size: 10px;
  color: var(--text-3);
  line-height: 1.4;
  word-break: keep-all;
}

/* 모드별 활성화 색상 */
.mode-btn[data-mode="gyareuk"].active {
  border-color: var(--gyareuk);
  background: var(--gyareuk-dim);
  color: var(--gyareuk);
}
.mode-btn[data-mode="gyareuk"].active .mode-name,
.mode-btn[data-mode="gyareuk"].active .mode-desc { color: var(--gyareuk); }

.mode-btn[data-mode="business"].active {
  border-color: var(--business);
  background: var(--business-dim);
}
.mode-btn[data-mode="business"].active .mode-name { color: var(--business); }

.mode-btn[data-mode="sigh"].active {
  border-color: var(--sigh);
  background: var(--sigh-dim);
}
.mode-btn[data-mode="sigh"].active .mode-name,
.mode-btn[data-mode="sigh"].active .mode-desc { color: var(--sigh); }

/* ── 입력 ── */
.input-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.char-count {
  font-size: 12px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.char-count.warn   { color: #FBBF24; }
.char-count.danger { color: #F87171; }

.textarea-wrap {
  position: relative;
}

.textarea {
  width: 100%;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  padding: 14px 44px 14px 14px;
  resize: vertical;
  min-height: 148px;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
  -webkit-appearance: none;
}

.textarea::placeholder {
  color: var(--text-3);
  font-size: 13.5px;
  line-height: 1.65;
}

.textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

.clear-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-3);
  font-size: 12px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--t), background var(--t), color var(--t);
}

.clear-btn.visible {
  opacity: 1;
}

.clear-btn:hover {
  background: #F87171;
  color: white;
  border-color: transparent;
}

/* 예시 칩 */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.chip {
  padding: 5px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-family: var(--font);
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  transition: var(--t);
  -webkit-tap-highlight-color: transparent;
}

.chip:hover, .chip:active {
  background: var(--primary-dim);
  border-color: var(--primary);
  color: var(--primary);
}

/* 개인정보 경고 */
.privacy-warn {
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-3);
}

/* ── 변환 버튼 ── */
.convert-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.convert-btn {
  width: 100%;
  padding: 17px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--r-lg);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.2px;
  cursor: pointer;
  transition: opacity var(--t), transform var(--t), box-shadow var(--t);
  box-shadow: 0 4px 20px var(--primary-glow);
  -webkit-tap-highlight-color: transparent;
}

.convert-btn:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 8px 28px var(--primary-glow);
}

.convert-btn:active:not(:disabled) {
  transform: translateY(0);
}

.convert-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  box-shadow: none;
}

.convert-hint {
  font-size: 12px;
  color: var(--text-3);
}

/* ── 출력 ── */
.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.output-actions {
  display: flex;
  gap: 6px;
}

.out-btn {
  padding: 6px 14px;
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--t);
  -webkit-tap-highlight-color: transparent;
}

.out-btn.primary {
  background: var(--primary);
  color: white;
  border: none;
}

.out-btn.primary:hover { opacity: 0.85; }

.out-btn.secondary {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}

.out-btn.secondary:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.output-box {
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  min-height: 110px;
  padding: 16px;
  transition: border-color var(--t);
}

.output-box.has-result {
  border-color: rgba(124,110,250,0.3);
}

.output-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 80px;
  text-align: center;
  color: var(--text-3);
  font-size: 14px;
}

.output-empty-icon {
  font-size: 28px;
  opacity: 0.5;
}

.output-mode-label {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 10px;
  font-weight: 500;
}

.output-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

/* 모드별 출력 액센트 */
.output-box.mode-gyareuk  { border-color: rgba(255,143,171,0.25); }
.output-box.mode-business { border-color: rgba(124,110,250,0.25); }
.output-box.mode-sigh     { border-color: rgba(255,179,71,0.25); }

.output-mode-label.mode-gyareuk  { color: var(--gyareuk); }
.output-mode-label.mode-business { color: var(--business); }
.output-mode-label.mode-sigh     { color: var(--sigh); }

/* 타이핑 커서 */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--primary);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink .65s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── 푸터 ── */
.footer {
  text-align: center;
  padding: 32px 0 8px;
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.2px;
}

/* ── 토스트 ── */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: #1E1E2A;
  border: 1px solid var(--border-hover);
  color: var(--text);
  padding: 12px 22px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease), transform .22s var(--ease);
  z-index: 9999;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── 유틸 ── */
.hidden { display: none !important; }

/* ── 반응형 ── */
@media (max-width: 420px) {
  .mode-group { gap: 6px; }
  .mode-btn   { padding: 12px 4px 10px; }
  .mode-name  { font-size: 12px; }
  .mode-desc  { font-size: 9px; }
  .tips-grid  { grid-template-columns: 1fr; }

  .hook-main  { font-size: 15px; }
}