/* TalkTak Design System — tt-theme.css (v1) */

/* ── 토큰 ── */
:root {
  --bg:       #FFFFFF;
  --ink:      #16181D;
  --sub:      #8A9099;
  --line:     #EAECEF;
  --red:      #C9352B;
  --redbg:    #FDECEB;
  --blue:     #2F6BFF;
  --bluebg:   #EEF3FF;
  --green:    #12B886;
  --greenbg:  #E7F7F0;
  --amber:    #F08C00;
  --amberbg:  #FFF4E0;
}

/* ── 공통 헤더 ── */
.tt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 0 16px;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.tt-header .tt-logo {
  font-size: 18px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -.5px;
  text-decoration: none;
}
.tt-header .tt-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── 카드 ── */
.tt-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
  padding: 18px;
}

/* ── 버튼 ── */
.tt-btn-red,
.tt-btn-blue,
.tt-btn-ghost {
  display: block;
  width: 100%;
  padding: 15px 20px;
  border-radius: 16px;
  border: none;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  line-height: 1.3;
  transition: opacity .15s;
}
.tt-btn-red:active,
.tt-btn-blue:active,
.tt-btn-ghost:active { opacity: .8; }

.tt-btn-red   { background: var(--red);    color: #fff; }
.tt-btn-blue  { background: var(--blue);   color: #fff; }
.tt-btn-ghost { background: #F4F5F7;       color: var(--ink); }

/* ── 다크 히어로 ── */
.tt-hero {
  background: #16181D;
  color: #fff;
  border-radius: 20px;
  padding: 24px 20px;
}