/* ============================================================
 * Sentio Components
 * C-01 ~ C-06
 * ============================================================ */

/* ─────────────────────────────────
 * C-01 · SentioLogo
 * ───────────────────────────────── */
.sentio-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--sentio-pulse);
}

.sentio-logo__mark {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 8px rgba(0, 170, 255, 0.45));
}

/* SVG 내부 요소 애니메이션 */
.sentio-logo__mark .sentio-iris {
  transform-origin: center;
  transform-box: fill-box;
  animation: sentio-breath 3s var(--ease-smooth) infinite;
}
.sentio-logo__mark .sentio-iris-outer {
  transform-origin: center;
  transform-box: fill-box;
  animation: sentio-breath-outer 3s var(--ease-smooth) infinite;
}
.sentio-logo__mark .sentio-arc-1 { animation: sentio-arc 3s ease-out infinite; }
.sentio-logo__mark .sentio-arc-2 { animation: sentio-arc 3s ease-out 0.2s infinite; }
.sentio-logo__mark .sentio-arc-3 { animation: sentio-arc 3s ease-out 0.4s infinite; }

@keyframes sentio-breath {
  0%, 100% { transform: scale(1);    opacity: 1; }
  50%      { transform: scale(1.15); opacity: 0.8; }
}
@keyframes sentio-breath-outer {
  0%, 100% { transform: scale(1);    opacity: 1; }
  50%      { transform: scale(0.95); opacity: 0.7; }
}
@keyframes sentio-arc {
  0%, 100% { opacity: 0.2; transform: translateY(0); }
  50%      { opacity: 0.7; transform: translateY(-1px); }
}

/* pulse 상태 — 인식 순간 강조 */
.sentio-logo--pulse .sentio-iris       { animation: sentio-pulse-iris 0.6s var(--ease-out-expo) forwards; }
.sentio-logo--pulse .sentio-iris-outer { animation: sentio-pulse-outer 0.6s var(--ease-out-expo) forwards; }

@keyframes sentio-pulse-iris {
  0%   { transform: scale(1);    }
  30%  { transform: scale(1.6);  }
  100% { transform: scale(1);    }
}
@keyframes sentio-pulse-outer {
  0%   { transform: scale(1);    stroke-width: 1.5; }
  30%  { transform: scale(1.4);  stroke-width: 2.5; }
  100% { transform: scale(1);    stroke-width: 1.5; }
}

.sentio-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.sentio-logo__wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: var(--ls-logo);
  color: var(--text-1);
  text-transform: uppercase;
}
.sentio-logo__tag {
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: var(--ls-label);
  color: var(--text-3);
  text-transform: uppercase;
  margin-top: 2px;
}

/* 크기 variant */
.sentio-logo--sm .sentio-logo__mark     { width: 28px; height: 28px; }
.sentio-logo--sm .sentio-logo__wordmark { font-size: 16px; }
.sentio-logo--lg .sentio-logo__mark     { width: 56px; height: 56px; }
.sentio-logo--lg .sentio-logo__wordmark { font-size: 32px; }

/* ─────────────────────────────────
 * C-02 · ScanFrame (3-state machine)
 *
 * 상태:
 *   .is-idle     — 흰 브라켓, 스캔라인 3s 왕복
 *   .is-sensing  — pulse 색 전환, 2배속, shake
 *   .is-detected — 페이드아웃 (recognition-fx로 위임)
 * ───────────────────────────────── */
.scan-frame {
  position: fixed;
  top: 50%;
  left: 50%;
  width: var(--scan-size);
  height: var(--scan-size);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: var(--z-scan);
  transition:
    opacity var(--dur-normal) var(--ease-smooth),
    transform var(--dur-normal) var(--ease-smooth);
}

/* 4개 코너 브라켓 */
.scan-frame__corner {
  position: absolute;
  width: var(--scan-corner-len);
  height: var(--scan-corner-len);
  border-color: var(--scan-corner-color);
  border-style: solid;
  border-width: 0;
  transition: border-color var(--dur-fast) var(--ease-smooth);
}
.scan-frame__corner--tl { top: 0;    left: 0;    border-top-width: var(--scan-corner-width); border-left-width: var(--scan-corner-width); }
.scan-frame__corner--tr { top: 0;    right: 0;   border-top-width: var(--scan-corner-width); border-right-width: var(--scan-corner-width); }
.scan-frame__corner--bl { bottom: 0; left: 0;    border-bottom-width: var(--scan-corner-width); border-left-width: var(--scan-corner-width); }
.scan-frame__corner--br { bottom: 0; right: 0;   border-bottom-width: var(--scan-corner-width); border-right-width: var(--scan-corner-width); }

/* 스캔 라인 */
.scan-frame__line {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 0;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent 0%,
    var(--scan-line-color) 50%,
    transparent 100%
  );
  opacity: 0.7;
  filter: blur(0.5px);
  animation: scan-line 3s var(--ease-smooth) infinite;
  will-change: transform, opacity;
}

@keyframes scan-line {
  0%, 100% { transform: translateY(0);   opacity: 0.3; }
  50%      { transform: translateY(calc(var(--scan-size) - 2px)); opacity: 0.9; }
}

/* 인스트럭션 텍스트 */
.scan-frame__hint {
  position: absolute;
  top: calc(100% + var(--space-6));
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  width: max-content;
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.55);
  transition: opacity var(--dur-fast) var(--ease-smooth);
}
.scan-frame__hint-sub {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-caption);
  color: rgba(255, 255, 255, 0.3);
}

/* ── State: SENSING ── */
.scan-frame.is-sensing .scan-frame__corner {
  --scan-corner-color: var(--sentio-pulse);
}
.scan-frame.is-sensing .scan-frame__line {
  animation-duration: 1.5s;
  opacity: 1;
}
.scan-frame.is-sensing {
  animation: scan-shake 0.2s linear 3;
}
.scan-frame.is-sensing .scan-frame__hint {
  opacity: 0;
}

@keyframes scan-shake {
  0%, 100% { transform: translate(-50%, -50%); }
  25%      { transform: translate(calc(-50% + 2px), -50%); }
  75%      { transform: translate(calc(-50% - 2px), -50%); }
}

/* ── State: DETECTED ── */
.scan-frame.is-detected {
  opacity: 0;
  transform: translate(-50%, -50%) scale(1.1);
}

/* ─────────────────────────────────
 * C-04 · RecognitionEffect
 *
 * t=0.00s  fullscreen flash
 * t=0.15s  3 concentric rings expand outward
 * t=0.50s  rings dissipate
 * ───────────────────────────────── */
.recognition-flash {
  position: fixed;
  inset: 0;
  background: var(--place-accent, var(--sentio-pulse));
  opacity: 0;
  pointer-events: none;
  z-index: var(--z-flash);
}
.recognition-flash.is-active {
  animation: recog-flash var(--dur-instant) var(--ease-sharp) forwards;
}
@keyframes recog-flash {
  0%   { opacity: 0.15; }
  100% { opacity: 0; }
}

.recognition-rings {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  pointer-events: none;
  z-index: var(--z-flash);
}

.recognition-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80px;
  height: 80px;
  margin-top: -40px;
  margin-left: -40px;
  border-radius: 50%;
  border: 1.5px solid var(--place-accent, var(--sentio-pulse));
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
}
.recognition-ring.is-active {
  animation: recog-ring 600ms var(--ease-out-expo) forwards;
}

@keyframes recog-ring {
  0%   { transform: scale(1);   opacity: 0.8; }
  100% { transform: scale(2.5); opacity: 0; }
}

/* ─────────────────────────────────
 * C-05 · PlaceBadge
 * ───────────────────────────────── */
.place-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  background: rgba(var(--place-accent-rgb), 0.12);
  border: 1px solid rgba(var(--place-accent-rgb), 0.30);
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--place-accent);
}
.place-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--place-accent);
  animation: badge-pulse 2s var(--ease-smooth) infinite;
}
@keyframes badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1);   }
  50%      { opacity: 0.5; transform: scale(0.7); }
}

/* ─────────────────────────────────
 * C-03 · PlaceCard (slide-up panel)
 * ───────────────────────────────── */
.place-card {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-panel);
  background: rgba(7, 13, 20, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  border-top: 1px solid var(--place-accent);
  box-shadow: var(--glow-place);
  padding: var(--space-6) var(--space-6) var(--safe-bottom);
  transform: translateY(100%);
  transition: transform var(--dur-panel) var(--ease-bounce);
  will-change: transform;
}
.place-card.is-visible {
  transform: translateY(0);
}

.place-card__handle {
  width: 40px;
  height: 4px;
  background: var(--sentio-border);
  border-radius: 2px;
  margin: 0 auto var(--space-5);
}

.place-card__badge {
  margin-bottom: var(--space-4);
}

.place-card__name {
  font-family: var(--font-ui);
  font-size: var(--text-title);
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: var(--space-2);
}

.place-card__desc {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 400;
  color: var(--text-2);
  line-height: var(--lh-loose);
  margin-bottom: var(--space-6);
}

.place-card__actions {
  display: flex;
  gap: var(--space-3);
}

.place-card__cta {
  flex: 2;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--place-accent), color-mix(in srgb, var(--place-accent) 80%, white));
  color: #fff;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(var(--place-accent-rgb), 0.40);
  transition:
    transform var(--dur-fast) var(--ease-smooth),
    filter var(--dur-fast);
}
.place-card__cta:active { transform: scale(0.97); }
.place-card__cta:hover  { filter: brightness(1.1); }

.place-card__close {
  flex: 1;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: var(--text-body);
  transition: background var(--dur-fast);
}
.place-card__close:hover { background: rgba(255, 255, 255, 0.12); }

/* ─────────────────────────────────
 * C-06 · ParticleField
 * ───────────────────────────────── */
.particle-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: var(--z-particles);
}

.particle {
  position: absolute;
  bottom: -10px;
  width: var(--p-size, 2px);
  height: var(--p-size, 2px);
  border-radius: 50%;
  background: var(--p-color, var(--sentio-pulse));
  box-shadow: 0 0 calc(var(--p-size, 2px) * 3) var(--p-color, var(--sentio-pulse));
  opacity: 0;
  will-change: transform, opacity;
  animation:
    particle-rise var(--p-duration, 8s) linear var(--p-delay, 0s) infinite,
    particle-fade var(--p-duration, 8s) ease-in-out var(--p-delay, 0s) infinite;
}

@keyframes particle-rise {
  0%   { transform: translate(var(--p-x, 0), 0) translateX(0); }
  25%  { transform: translate(var(--p-x, 0), -25vh) translateX(calc(var(--p-wobble, 8px) * 1)); }
  50%  { transform: translate(var(--p-x, 0), -50vh) translateX(0); }
  75%  { transform: translate(var(--p-x, 0), -75vh) translateX(calc(var(--p-wobble, 8px) * -1)); }
  100% { transform: translate(var(--p-x, 0), -110vh) translateX(0); }
}

@keyframes particle-fade {
  0%, 100% { opacity: 0; }
  15%      { opacity: var(--p-max-opacity, 0.8); }
  85%      { opacity: var(--p-max-opacity, 0.8); }
}