:root {
  --bg: #121212;
  --panel: #1c1c1c;
  --accent: #c41820;
  --text: #e8e8e8;
  --muted: #888888;
  --border: #333333;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.app-header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  min-height: 70px;
}

.brand-mark {
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--muted);
  display: none;
}

.app-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.hero-banner {
  margin: 12px 0 18px;
}

.hero-banner img {
  width: 100%;
  display: block;
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
}

.page-intro {
  text-align: center;
  margin-bottom: 24px;
}

.page-intro h1 {
  margin: 0 0 8px 0;
  font-size: 1.8rem;
}

#liveClock {
  font-size: 1rem;
  color: #1f2937;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #2a2a2a;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.08);
}

#liveClock::before {
  content: "🕒";
}

.title-bar {
  margin: 12px 0 20px;
  padding: 16px 20px;
  border-radius: 16px;
  border: 1px solid #4a0f0f;
  background: linear-gradient(135deg, #2a0808 0%, #1a0000 45%, #100000 100%);
  box-shadow: 0 12px 26px rgba(100, 0, 0, 0.4);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.title-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle at 12% 20%,
    rgba(255, 206, 92, 0.35),
    transparent 55%
  );
  opacity: 0.9;
  pointer-events: none;
}

.title-bar-text {
  margin: 0;
  font-size: clamp(1.3rem, 2.4vw, 1.85rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #ff4a4a;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.8);
  position: relative;
}

.tone-note {
  margin: 0 0 26px;
  padding: 14px 18px;
  border: 1px solid #4a1111;
  border-radius: 16px;
  background: linear-gradient(135deg, #2b0808, #110000);
  box-shadow: 0 8px 18px rgba(235, 20, 20, 0.15);
  display: grid;
  gap: 6px;
}

.tone-note-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ff3333;
  letter-spacing: 0.02em;
}

.tone-note-body {
  margin: 0;
  font-size: 0.95rem;
  color: #ddaaaa;
  line-height: 1.5;
}

.option-guide {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #252528;
  padding: 16px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.06);
}

.option-guide h3 {
  margin: 0 0 10px 0;
  font-size: 1rem;
}

.option-guide ol {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.option-guide ul {
  margin: 6px 0 0 20px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.option-guide-list {
  list-style: disc;
}

.option-guide-list > li {
  list-style: disc;
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.5;
}

.option-guide-list > li > ul {
  list-style: circle;
}

.option-guide-list > li > ul > li {
  list-style: circle;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.option-guide li strong {
  font-weight: 600;
}

.option-guide li span {
  color: var(--muted);
}

.option-guide-note {
  margin: 6px 0 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.option-guide-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 10px 0;
}

.option-guide-compact {
  margin-top: 12px;
  background: #252528;
  box-shadow: none;
}

.form-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 960px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
}

.panel h2 {
  margin-top: 0;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}

label {
  font-size: 0.9rem;
  font-weight: 600;
}

.label-line {
  display: block;
  margin-bottom: 4px;
}

.label-line:last-child {
  margin-bottom: 0;
}

.script-label {
  font-weight: 400;
}

.script-label .label-line:first-child {
  font-weight: 700;
}

input,
select,
textarea {
  border: 1px solid #444;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
  background: #2b2b2b;
  color: #eee;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.5);
}

.field select {
  border: 2px solid #555;
  background: #2b2b2b;
  box-shadow: 0 4px 12px rgba(26, 52, 90, 0.14);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 40px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1h10L6 7z' fill='%2364738b'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px 8px;
}

.field select.is-placeholder {
  color: #9aa0a6;
}

.field select option:disabled,
.field select option[disabled][selected] {
  color: #9aa0a6;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.static-value {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  background: #2a2a2a;
  color: #eee;
}

.hidden {
  display: none !important;
}

.toggle-field .toggle {
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-panel {
  max-width: 1100px;
  margin: 16px auto 40px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
}

.result-panel.is-stale {
  opacity: 0.55;
}

.result-panel h2 {
  margin-top: 0;
}

.result-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 24px;
}

.result-field {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #2a2a2a;
}

.result-field span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.result-field p {
  margin: 6px 0 0;
  font-weight: 600;
  font-size: 1.05rem;
}

.script-box {
  display: grid;
  gap: 16px;
}

.script-section {
  display: grid;
  gap: 8px;
}

.script-step {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.script-step-group {
  display: grid;
  gap: 6px;
}

.script-sublist,
.script-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.script-list-nowrap {
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: keep-all;
}

.script-list-nowrap span {
  display: inline-block;
  white-space: nowrap;
}

.script-summary-box {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #2a2a2a;
  display: grid;
  gap: 8px;
}

.script-hint-box {
  margin-top: 18px;
  border-style: dashed;
}

.script-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.script-subtitle {
  margin: 0;
  font-weight: 600;
}

.script-warning {
  color: var(--accent);
  font-weight: 600;
}

.script-cta {
  margin-top: 18px;
  display: flex;
  justify-content: center;
}

.script-cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 16px;
  border: none;
  background: transparent;
  text-decoration: none;
  box-shadow: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.script-cta-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(235, 77, 112, 0.2);
}

.script-cta-button img {
  max-width: min(520px, 100%);
  height: auto;
  display: block;
  border-radius: 16px;
}

.script-divider {
  height: 1px;
  background: var(--border);
  border-radius: 999px;
}

.script-note {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text);
}

.script-link-box {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: #2a2a2a;
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
}

.action-area {
  max-width: 1100px;
  margin: 0 auto 8px;
  padding: 0 24px;
}

.recalc-note {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.field-error {
  margin-top: 6px;
  font-size: 0.85rem;
  color: #c23a3a;
}

.primary-button {
  width: 100%;
  border: none;
  border-radius: 16px;
  padding: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.primary-button:hover,
.primary-button:focus {
  transform: translateY(-2px);
}

.primary-button:active {
  transform: translateY(0);
}

.primary-button img {
  width: min(560px, 100%);
  height: auto;
  display: block;
  border-radius: 16px;
  box-shadow: 0 10px 20px rgba(24, 36, 52, 0.18);
}

.waiting-info-box {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #2a1111;
  padding: 14px;
  margin-top: 12px;
}

.waiting-info-box > .info-row {
  margin-bottom: 10px;
}

.waiting-calendar {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #2a2a2a;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.calendar-title {
  font-weight: 600;
  color: var(--text);
}

.calendar-nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.calendar-nav button {
  border: 1px solid var(--border);
  background: #333333;
  color: #eee;
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
}

.calendar-nav span {
  font-weight: 600;
  color: var(--text);
  text-align: center;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-top: 8px;
}

.calendar-day {
  border: 1px solid var(--border);
  background: #252528;
  border-radius: 6px;
  padding: 8px 0;
  font-size: 0.85rem;
  text-align: center;
  cursor: pointer;
}

.calendar-day.is-empty {
  border: none;
  background: transparent;
  cursor: default;
}

.calendar-day.is-selected {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.waiting-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.info-row {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text);
}

.waiting-key-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.waiting-key-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 1rem;
  color: var(--text);
}

.waiting-key-item strong {
  font-weight: 400;
  color: var(--text);
}

.key-icon {
  font-size: 1.1rem;
  line-height: 1.2;
}

.waiting-sub-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: #3a1515;
  border: 1px solid var(--border);
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.92rem;
}

.waiting-sub-list span {
  color: var(--text);
  font-weight: 400;
}

textarea {
  resize: vertical;
}