:root {
  --green-900: #063f35;
  --green-700: #07865f;
  --green-100: #e0f7ec;
  --nh-blue-900: #08368f;
  --nh-blue-700: #075ec7;
  --nh-blue-100: #eaf7ff;
  --blue-700: #2457c5;
  --yellow-500: #f2bd2a;
  --ink: #17201d;
  --muted: #65736e;
  --line: #dbe5df;
  --surface: #f7faf8;
  --white: #ffffff;
  --danger: #c24138;
  --shadow: 0 24px 70px rgba(7, 59, 49, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(232, 248, 255, 0.9), rgba(255, 255, 255, 0.72) 38%, rgba(241, 250, 255, 0.86)),
    var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}

body.viewer-open {
  overflow: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.hidden {
  display: none !important;
}

.auth-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.72fr);
  min-height: 100svh;
  background:
    radial-gradient(circle at 4% 82%, rgba(15, 145, 229, 0.14), transparent 34%),
    radial-gradient(circle at 96% 14%, rgba(242, 189, 42, 0.16), transparent 28%),
    var(--white);
}
.auth-visual {
  position: relative;
  width: 100%;
  min-height: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: #f8fcff;
  overflow: hidden;
}

.auth-visual img {
  width: 100%;
  height: auto;
  max-height: 860px;
  object-fit: contain;
  object-position: center;
  display: block;
}

.event-info {
  position: static;

  width: calc(100% - 36px);
  max-width: 620px;

  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid rgba(7, 94, 199, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--nh-blue-900);
  box-shadow: 0 14px 40px rgba(7, 94, 199, 0.12);
  backdrop-filter: blur(14px);
}

.event-info p {
  margin: 0;
  font-size: clamp(0.86rem, 1.7vw, 1rem);
  font-weight: 850;
  line-height: 1.35;
}

.event-info strong {
  display: inline-block;
  min-width: 42px;
  color: var(--nh-blue-700);
}

.visual-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.68) 78%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 54%);
}

.visual-copy {
  position: absolute;
  left: clamp(28px, 7vw, 104px);
  bottom: clamp(36px, 8vw, 112px);
  color: var(--nh-blue-900);
  animation: slideUp 620ms ease-out both;
}

.visual-copy p,
.brand-lockup p,
.eyebrow {
  margin: 0;
  color: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
}

.visual-copy h1 {
  margin: 8px 0 14px;
  max-width: 560px;
  font-size: clamp(2.7rem, 6.8vw, 5.8rem);
  line-height: 0.92;
  letter-spacing: 0;
  text-shadow: 0 8px 26px rgba(255, 255, 255, 0.82);
}

.visual-copy span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid rgba(7, 94, 199, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(7, 94, 199, 0.12);
}

.auth-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  padding: clamp(28px, 6vw, 72px);
  background:
    linear-gradient(180deg, rgba(234, 247, 255, 0.82), rgba(255, 255, 255, 0) 34%),
    rgba(255, 255, 255, 0.96);
  border-left: 1px solid rgba(7, 94, 199, 0.1);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  background: var(--nh-blue-900);
  color: var(--yellow-500);
  font-weight: 900;
}

.brand-lockup p {
  color: var(--nh-blue-700);
}

.brand-lockup h2 {
  margin: 3px 0 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: 0;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef5f1;
}

.segment {
  min-height: 42px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.segment.active {
  background: var(--white);
  color: var(--nh-blue-900);
  box-shadow: 0 8px 20px rgba(7, 94, 199, 0.1);
}

.login-form {
  display: grid;
  gap: 10px;
  animation: fadeIn 180ms ease both;
}

.admin-password-inline {
  display: grid;
  gap: 8px;
  padding-top: 6px;
}

label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

input {
  min-height: 50px;
  padding: 0 14px;
}

textarea {
  min-height: 180px;
  padding: 14px;
  resize: vertical;
  line-height: 1.5;
}

input:focus,
textarea:focus {
  border-color: var(--nh-blue-700);
  box-shadow: 0 0 0 4px rgba(7, 94, 199, 0.12);
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 104px;
  gap: 8px;
}

button[type="submit"],
.primary-button,
.wide-button {
  min-height: 50px;
  border-radius: 8px;
  background: var(--nh-blue-900);
  color: var(--white);
  font-weight: 900;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

button[type="submit"]:hover,
.primary-button:hover,
.wide-button:hover {
  background: var(--nh-blue-700);
  box-shadow: 0 14px 30px rgba(7, 94, 199, 0.18);
  transform: translateY(-1px);
}

.wide-button {
  width: 100%;
}

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

.workspace {
  min-height: 100svh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding: 0 clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(247, 252, 255, 0.9);
  backdrop-filter: blur(18px);
}

.topbar > div:first-child {
  min-width: 0;
  padding-right: 112px;
}

.topbar-actions {
  position: absolute;
  top: 16px;
  right: clamp(18px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  letter-spacing: 0;
}

.topbar p {
  margin: 3px 0 0;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.88rem;
}

.ghost-button,
.danger-button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-weight: 850;
}

.danger-button {
  color: var(--danger);
}

button:disabled,
button:disabled:hover {
  cursor: not-allowed;
  opacity: 0.48;
  box-shadow: none;
  transform: none;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: 20px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 40px rgba(23, 32, 29, 0.05);
}

.panel-header,
.panel-body {
  padding: 20px;
}

.panel-header {
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.panel-header > div {
  min-width: 0;
}

.panel-header h2,
.mission-title,
.modal-panel h2 {
  margin: 0;
  font-size: 1.12rem;
  letter-spacing: 0;
}

.panel-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.danger-zone-panel {
  border-color: rgba(194, 65, 56, 0.24);
}

.danger-zone-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.danger-reset-summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 850;
}

.danger-reset-summary span {
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid rgba(194, 65, 56, 0.16);
  border-radius: 8px;
  background: #fff8f7;
}

.employee-count-badge {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid rgba(7, 94, 199, 0.16);
  border-radius: 8px;
  background: var(--nh-blue-100);
  color: var(--nh-blue-900);
  font-size: 0.86rem;
  font-weight: 900;
}

.code-list {
  display: grid;
  gap: 12px;
}

.code-row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.code-row small {
  grid-column: 2 / -1;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.auto-qr-preview {
  grid-column: 1 / -1;
}

.qr-preview {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(7, 94, 199, 0.14);
  border-radius: 8px;
  background: #f7fcff;
  text-align: center;
}

.qr-preview strong {
  color: var(--nh-blue-900);
}

.qr-preview img {
  width: min(260px, 100%);
  height: auto;
  border: 10px solid var(--white);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(7, 94, 199, 0.14);
}

.qr-preview p {
  max-width: 100%;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.employee-tools {
  display: grid;
  gap: 12px;
}

.employee-add {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 88px;
  gap: 8px;
}

.employee-table {
  width: 100%;
  border-collapse: collapse;
}

.employee-table th,
.employee-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.employee-table th {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
}

.employee-table tr:last-child td {
  border-bottom: 0;
}

.progress-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  background: #eef3f6;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.pill.done {
  background: var(--nh-blue-100);
  color: var(--nh-blue-900);
}

.hero-band {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  border-radius: 8px;
  background: #f7fcff;
  color: var(--nh-blue-900);
  border: 1px solid rgba(7, 94, 199, 0.12);
}

.hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/summer-week-concept.png");
  background-size: cover;
  background-position: center;
}

.hero-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.54) 38%, rgba(255, 255, 255, 0.1));
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: end;
  min-height: 210px;
  max-width: 620px;
  padding: 28px;
}

.hero-content h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-content p {
  margin: 10px 0 0;
  color: var(--nh-blue-700);
  font-weight: 800;
}

.summary-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
}

.summary-bar {
  position: relative;
  overflow: hidden;
  flex: 1;
  height: 10px;
  border-radius: 999px;
  background: rgba(7, 94, 199, 0.12);
}

.summary-bar span {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--progress-width, 0%);
  border-radius: inherit;
  background: var(--yellow-500);
  transition: width 260ms ease;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.mission-card {
  position: relative;
  min-height: 226px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 38px rgba(23, 32, 29, 0.05);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.mission-card:hover {
  transform: translateY(-3px);
  border-color: rgba(7, 94, 199, 0.32);
  box-shadow: 0 24px 70px rgba(7, 94, 199, 0.14);
}

.mission-card.done {
  border-color: rgba(7, 94, 199, 0.22);
  background:
    radial-gradient(circle at 88% 84%, rgba(36, 87, 197, 0.1), transparent 42%),
    linear-gradient(180deg, #ffffff, #f5fbff);
}

.mission-card.image-mission {
  grid-column: auto;
  padding-bottom: 18px;
}

.mission-card.image-mission .mission-subtitle,
.mission-card.image-mission .mission-status {
  max-width: calc(100% - 104px);
}

.mission-card.image-mission .stamp {
  top: 16px;
  right: 16px;
  bottom: auto;
}

.mission-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.mission-headline {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
}

.mission-title {
  margin-top: 7px;
  font-size: 1.42rem;
}

.mission-subtitle {
  margin: 6px 0 0;
  min-height: 25px;
  color: var(--nh-blue-900);
  font-size: 0.94rem;
  font-weight: 900;
  line-height: 1.32;
}

.mission-description {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 750;
  line-height: 1.4;
}

.mission-status {
  margin: 8px 0 0;
  min-height: 22px;
  color: var(--muted);
  font-weight: 800;
  font-size: 0.9rem;
}

.mission-action {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  min-height: 44px;
  border-radius: 8px;
  background: var(--nh-blue-900);
  color: var(--white);
  font-weight: 900;
}

.stamp {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border: 0;
  border-radius: 50%;
  background-image: url("/stamps/stamp-sprite.png");
  background-size: 300% 200%;
  filter: drop-shadow(0 12px 20px rgba(7, 94, 199, 0.18));
  transform: rotate(-10deg);
  animation: stampIn 360ms cubic-bezier(0.2, 1.3, 0.35, 1) both;
}

.stamp-celebration {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  pointer-events: none;
  background: rgba(247, 252, 255, 0.18);
  animation: stampLayerFade 2400ms ease both;
}

.stamp-celebration .stamp {
  position: static;
  width: min(54vw, 232px);
  height: min(54vw, 232px);
  filter: drop-shadow(0 24px 42px rgba(7, 94, 199, 0.3));
  animation: stampCelebration 2400ms cubic-bezier(0.18, 0.92, 0.18, 1) both;
}

.stamp-edu1 {
  background-position: 100% 0%;
}

.stamp-edu2 {
  background-position: 50% 100%;
}

.stamp-edu3 {
  background-position: 50% 0%;
}

.stamp-share1 {
  background-position: 0% 0%;
}

.stamp-share2 {
  background-position: 0% 100%;
}

.stamp-join {
  background-position: 100% 100%;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(7, 21, 18, 0.54);
  backdrop-filter: blur(8px);
}

.modal-panel {
  display: grid;
  gap: 16px;
  width: min(420px, 100%);
  max-height: min(760px, calc(100svh - 40px));
  overflow: auto;
  padding: 22px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  animation: popIn 180ms ease both;
}

.qr-scanner {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(7, 21, 18, 0.64);
  backdrop-filter: blur(10px);
}

.qr-scanner-panel {
  display: grid;
  gap: 12px;
  align-content: start;
  width: min(460px, 100%);
  max-height: calc(100svh - 36px);
  overflow: auto;
  padding: 14px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  animation: popIn 180ms ease both;
}

.qr-scanner-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.qr-close-button {
  flex: 0 0 auto;
}

.qr-scanner-panel h2 {
  margin: 4px 0 0;
  color: var(--nh-blue-900);
  font-size: 1.18rem;
}

.qr-video-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-height: min(52svh, 440px);
  border-radius: 8px;
  background: #081512;
}

.qr-video-wrap video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qr-frame {
  position: absolute;
  inset: 18%;
  border: 3px solid rgba(242, 189, 42, 0.92);
  border-radius: 10px;
  box-shadow:
    0 0 0 999px rgba(0, 0, 0, 0.26),
    0 0 0 1px rgba(255, 255, 255, 0.64) inset;
}

.manual-qr-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 82px;
  align-items: center;
  gap: 8px;
}

.manual-qr-row button {
  min-height: 50px;
  border-radius: 8px;
  background: var(--nh-blue-900);
  color: var(--white);
  font-weight: 900;
}

.qr-scanner-panel .modal-help {
  text-align: center;
}

.submission-fields {
  display: grid;
  gap: 10px;
}

.modal-help,
.field-help,
.empty-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 750;
  line-height: 1.45;
}

.field-help {
  font-size: 0.8rem;
}

.image-preview {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fcff;
}

.image-preview img {
  display: block;
  width: 100%;
  max-height: 220px;
  object-fit: contain;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.preview-grid img {
  width: 100%;
  aspect-ratio: 1;
  max-height: none;
  border-radius: 6px;
  object-fit: cover;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.section-heading h2 {
  margin: 4px 0 0;
  color: var(--nh-blue-900);
  font-size: 1.2rem;
}

.section-heading span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 900;
}

.section-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.gallery-section {
  min-width: 0;
  padding: 20px;
  border: 1px solid rgba(7, 94, 199, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(234, 247, 255, 0.84), rgba(255, 255, 255, 0.94) 42%),
    var(--white);
  box-shadow: 0 14px 40px rgba(23, 32, 29, 0.05);
}

.gallery-section .section-heading {
  margin-bottom: 14px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.gallery-browse-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-height: min(760px, 72svh);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 2px 4px 12px 2px;
  -webkit-overflow-scrolling: touch;
}

.gallery-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.gallery-preview-rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 2px 4px 14px 2px;
  -webkit-overflow-scrolling: touch;
}

.gallery-preview-rail .gallery-item {
  flex: 0 0 clamp(210px, 30vw, 320px);
  scroll-snap-align: start;
}

.approved-gallery {
  min-width: 0;
  margin-top: 18px;
}

.gallery-subhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.gallery-subhead strong {
  color: var(--nh-blue-900);
  font-size: 0.98rem;
}

.carousel-controls {
  display: flex;
  gap: 6px;
}

.gallery-controls {
  justify-content: flex-end;
  margin: -4px 0 12px;
}

.carousel-controls button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(7, 94, 199, 0.16);
  border-radius: 8px;
  background: var(--white);
  color: var(--nh-blue-900);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
}

.gallery-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(7, 94, 199, 0.12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 38px rgba(23, 32, 29, 0.05);
}

.gallery-item img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #f7fcff;
}

.gallery-open {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border-radius: 0;
  background: transparent;
  text-align: inherit;
}

.gallery-open::after {
  content: "원본 보기";
  display: none;
  position: absolute;
  right: 10px;
  bottom: 10px;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(8, 54, 143, 0.84);
  color: var(--white);
  font-size: 0.76rem;
  font-weight: 900;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.gallery-open:hover::after,
.gallery-open:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.image-viewer {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 14px;
  padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  background:
    radial-gradient(circle at 50% 0%, rgba(9, 125, 226, 0.18), transparent 34%),
    rgba(3, 13, 31, 0.94);
  backdrop-filter: blur(18px);
}

.viewer-close {
  justify-self: end;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-weight: 900;
}

.image-viewer-stage {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 0;
}

.image-viewer-stage img {
  display: block;
  width: auto;
  height: auto;
  max-width: min(100%, 1280px);
  max-height: calc(100svh - 150px);
  object-fit: contain;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

.image-viewer-caption {
  justify-self: center;
  width: min(860px, 100%);
  color: var(--white);
  text-align: center;
}

.image-viewer-caption p {
  margin: 0;
}

.image-viewer-caption .eyebrow {
  color: rgba(255, 255, 255, 0.9);
}

.image-viewer-caption p:last-child {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.94rem;
  font-weight: 750;
  line-height: 1.45;
}

.image-viewer-caption strong,
.image-viewer-caption span {
  display: block;
}

.image-viewer-caption strong {
  color: var(--white);
  font-size: 1.02rem;
}

.image-viewer-caption span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.94rem;
  font-weight: 750;
  line-height: 1.45;
  white-space: pre-wrap;
}

.gallery-item figcaption {
  padding: 12px;
  padding-right: 82px;
  color: var(--nh-blue-900);
  font-size: 0.88rem;
  font-weight: 900;
  line-height: 1.42;
}

.gallery-actions {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0;
}

.like-button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  background: rgba(8, 54, 143, 0.84);
  color: var(--white);
  font-size: 0.84rem;
  font-weight: 900;
  backdrop-filter: blur(12px);
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.like-button span {
  display: inline-block;
  min-width: 1.2em;
  text-align: right;
}

.like-button:hover,
.like-button.active {
  border-color: rgba(242, 189, 42, 0.65);
  background: rgba(242, 189, 42, 0.96);
  color: #3d2b00;
}

.like-button:hover {
  transform: translateY(-1px);
}

.image-submit-strip {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding: 10px;
  border: 1px solid rgba(7, 94, 199, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

.submit-strip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.submit-strip-head > div:first-child {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.submit-strip-head strong {
  color: var(--nh-blue-900);
  font-size: 0.98rem;
}

.submit-strip-head span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 900;
}

.submit-strip-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.compact-button {
  min-height: 40px;
  padding: 0 14px;
}

.compact-note {
  margin: 0;
}

.my-image-list {
  display: grid;
  gap: 8px;
}

.my-image-card {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 8px 10px;
  padding: 8px;
  border: 1px solid rgba(7, 94, 199, 0.12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 38px rgba(23, 32, 29, 0.05);
}

.my-image-card.editing {
  border-color: rgba(242, 189, 42, 0.82);
  box-shadow: 0 16px 42px rgba(242, 189, 42, 0.16);
}

.my-image-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  object-fit: cover;
  background: #f7fcff;
  grid-row: span 4;
}

.my-image-meta {
  display: grid;
  gap: 2px;
}

.my-image-meta strong {
  color: var(--nh-blue-900);
  font-size: 0.78rem;
}

.my-image-meta span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.my-image-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 750;
  line-height: 1.42;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.my-image-card small {
  display: block;
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 750;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.my-image-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}

.my-image-actions .ghost-button,
.my-image-actions .danger-button {
  min-height: 32px;
  padding: 0 6px;
  font-size: 0.76rem;
}

.my-image-form {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(7, 94, 199, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.my-image-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: start;
}

.my-image-form-grid > div {
  display: grid;
  gap: 8px;
}

.file-field {
  min-height: 118px;
  align-content: center;
  justify-items: center;
  padding: 14px;
  border: 1px dashed rgba(7, 94, 199, 0.22);
  border-radius: 8px;
  background: #f7fcff;
  text-align: center;
}

.file-field input[type="file"] {
  min-height: auto;
  max-width: 100%;
  padding: 10px;
  border: 0;
  background: transparent;
}

.my-image-form textarea {
  min-height: 92px;
}

.quiz-admin-form {
  display: grid;
  gap: 12px;
}

.quiz-admin-form textarea {
  min-height: 160px;
}

.quiz-builder {
  display: grid;
  gap: 10px;
}

.quiz-pair-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 0.9fr) minmax(0, 1.4fr) auto;
  gap: 10px;
  align-items: end;
  padding: 10px;
  border: 1px solid rgba(7, 94, 199, 0.12);
  border-radius: 8px;
  background: #f7fcff;
}

.quiz-pair-number {
  display: grid;
  place-items: center;
  width: 34px;
  height: 50px;
  border-radius: 8px;
  background: var(--nh-blue-900);
  color: var(--yellow-500);
  font-weight: 950;
}

.quiz-pair-row > div {
  display: grid;
  gap: 6px;
}

.mission-content-form {
  display: grid;
  gap: 12px;
}

.mission-content-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(7, 94, 199, 0.12);
  border-radius: 8px;
  background: #f7fcff;
}

.mission-content-row legend {
  padding: 0 6px;
  color: var(--nh-blue-900);
  font-weight: 950;
}

.mission-content-row label {
  display: grid;
  gap: 6px;
}

.mission-description-field,
.mission-gallery-field {
  grid-column: 1 / -1;
}

.mission-content-row span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.mission-content-row textarea {
  min-height: 82px;
}

.quiz-panel {
  overflow: hidden;
}

.quiz-body {
  display: grid;
  gap: 12px;
}

.quiz-board {
  position: relative;
  display: grid;
  grid-template-columns: minmax(130px, 0.7fr) minmax(0, 1.2fr);
  gap: clamp(30px, 5vw, 72px);
  min-height: 280px;
}

.quiz-column {
  display: grid;
  gap: 8px;
  align-content: start;
  z-index: 1;
}

.quiz-node {
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid rgba(7, 94, 199, 0.16);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-weight: 850;
  font-size: 0.86rem;
  line-height: 1.25;
  text-align: left;
  touch-action: none;
  box-shadow: 0 12px 30px rgba(23, 32, 29, 0.05);
}

.quiz-question.active,
.quiz-node.connected {
  border-color: rgba(7, 94, 199, 0.46);
  background: #f2f9ff;
}

.quiz-node.correct {
  border-color: rgba(7, 94, 199, 0.58);
  background: #eaf5ff;
  color: var(--nh-blue-900);
}

.quiz-node.wrong {
  border-color: rgba(194, 65, 56, 0.58);
  background: #fff1ef;
  color: #8f1f18;
}

.quiz-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.quiz-lines path {
  fill: none;
  stroke-width: 4;
  stroke-linecap: round;
  filter: drop-shadow(0 4px 8px rgba(7, 94, 199, 0.16));
}

.quiz-lines path.correct {
  stroke: var(--nh-blue-700);
}

.quiz-lines path.wrong {
  stroke: var(--danger);
}

.quiz-page-status {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px 12px;
  padding: 10px 12px;
  border: 1px solid rgba(7, 94, 199, 0.14);
  border-radius: 8px;
  background: #f6fbff;
  color: var(--nh-blue-900);
}

.quiz-page-status span,
.quiz-page-status strong {
  font-size: 0.84rem;
  font-weight: 900;
}

.quiz-page-status small {
  min-width: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: keep-all;
}

.quiz-mobile-board {
  display: none;
}

.quiz-mobile-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(7, 94, 199, 0.14);
  border-radius: 8px;
  background: #f6fbff;
  color: var(--nh-blue-900);
}

.quiz-mobile-status span,
.quiz-mobile-bank-title span {
  font-size: 0.8rem;
  font-weight: 900;
}

.quiz-mobile-status strong {
  font-size: 0.86rem;
  font-weight: 900;
}

.quiz-mobile-questions,
.quiz-mobile-answer-bank {
  display: grid;
  gap: 8px;
}

.quiz-mobile-question,
.quiz-mobile-answer {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(7, 94, 199, 0.14);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  text-align: left;
  box-shadow: 0 10px 26px rgba(23, 32, 29, 0.05);
}

.quiz-mobile-question {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px;
}

.quiz-mobile-index {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: #edf7ff;
  color: var(--nh-blue-700);
  font-size: 0.82rem;
  font-weight: 950;
}

.quiz-mobile-question strong,
.quiz-mobile-answer span {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: keep-all;
  line-height: 1.38;
}

.quiz-mobile-question small,
.quiz-mobile-answer small,
.quiz-mobile-bank-title small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: keep-all;
}

.quiz-mobile-question.active {
  border-color: rgba(7, 94, 199, 0.52);
  background: #f2f9ff;
}

.quiz-mobile-question.connected .quiz-mobile-index {
  background: var(--nh-blue-700);
  color: var(--white);
}

.quiz-mobile-question.correct {
  border-color: rgba(7, 94, 199, 0.58);
  background: #eaf5ff;
}

.quiz-mobile-question.correct .quiz-mobile-index {
  background: var(--nh-blue-700);
  color: var(--white);
}

.quiz-mobile-question.wrong {
  border-color: rgba(194, 65, 56, 0.58);
  background: #fff1ef;
}

.quiz-mobile-question.wrong .quiz-mobile-index {
  background: var(--danger);
  color: var(--white);
}

.quiz-mobile-bank-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-top: 4px;
  color: var(--nh-blue-900);
}

.quiz-mobile-answer {
  padding: 11px 12px;
}

.quiz-mobile-answer.selected {
  border-color: rgba(7, 134, 95, 0.48);
  background: #f0fbf6;
}

.quiz-mobile-answer.taken:not(.selected) {
  border-style: dashed;
  background: #fbfcff;
}

.quiz-mobile-answer.correct,
.quiz-mobile-answer.taken.correct:not(.selected) {
  border-color: rgba(7, 94, 199, 0.58);
  background: #eaf5ff;
  color: var(--nh-blue-900);
}

.quiz-mobile-answer.wrong,
.quiz-mobile-answer.taken.wrong:not(.selected) {
  border-color: rgba(194, 65, 56, 0.58);
  background: #fff1ef;
  color: #8f1f18;
}

.submission-board {
  margin-top: 4px;
}

.submission-review {
  display: grid;
  gap: 18px;
}

.image-review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.review-column {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.review-column-head,
.other-submissions-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.review-column-head h3,
.other-submissions-head h3 {
  margin: 0;
  color: var(--nh-blue-900);
  font-size: 1rem;
}

.review-column-head span,
.other-submissions-head span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.review-list {
  display: grid;
  gap: 10px;
}

.review-scroll-list {
  max-height: 540px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
  -webkit-overflow-scrolling: touch;
}

.submission-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.submission-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.submission-meta {
  display: grid;
  gap: 3px;
}

.submission-meta strong {
  color: var(--nh-blue-900);
}

.submission-meta span {
  font-weight: 900;
}

.submission-meta em {
  color: var(--muted);
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 800;
}

.submission-image {
  display: block;
  width: 100%;
  max-height: 260px;
  border-radius: 8px;
  object-fit: contain;
  background: var(--white);
}

.admin-image-card {
  gap: 10px;
  padding: 12px;
}

.admin-image-card .submission-image {
  height: 132px;
  max-height: 132px;
}

.submission-text {
  margin: 0;
  white-space: pre-wrap;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.5;
}

.submission-text strong {
  display: block;
  color: var(--nh-blue-900);
}

.submission-text p {
  margin: 5px 0 0;
  white-space: pre-wrap;
}

.submission-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-image-card .submission-actions button {
  flex: 1 1 90px;
}

.other-submissions {
  display: grid;
  gap: 12px;
}

.compact-submission-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.eyebrow {
  color: var(--nh-blue-700);
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  max-width: min(420px, calc(100% - 40px));
  padding: 14px 16px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
  font-weight: 850;
  animation: slideToast 180ms ease both;
}

@keyframes settleImage {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1.02);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes stampIn {
  0% {
    opacity: 0;
    transform: scale(1.5) rotate(-18deg);
  }
  72% {
    opacity: 1;
    transform: scale(0.92) rotate(-10deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(-10deg);
  }
}

@keyframes stampLayerFade {
  0% {
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  72% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes stampCelebration {
  0% {
    opacity: 0;
    transform: scale(2.1) rotate(-18deg);
  }
  14% {
    opacity: 1;
    transform: scale(0.82) rotate(-10deg);
  }
  24% {
    transform: scale(1.04) rotate(-10deg);
  }
  72% {
    opacity: 1;
    transform: scale(1) rotate(-10deg);
  }
  100% {
    opacity: 0;
    transform: translateY(78px) scale(0.2) rotate(-10deg);
  }
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes slideToast {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-visual {
    min-height: 42svh;
  }

  .event-info {
    left: 18px;
    right: 18px;
    bottom: 18px;
    max-width: none;
  }

  .auth-panel {
    justify-content: start;
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }

  .mission-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-grid,
  .compact-submission-list,
  .submission-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .auth-visual {
    min-height: 42svh;
  }

  .auth-panel {
    padding: 24px 18px 32px;
  }

  .visual-copy {
    left: 20px;
    bottom: 22px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: row;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .topbar > div:first-child {
    padding-right: 96px;
  }

  .topbar-actions {
    top: 14px;
    right: 14px;
  }

  .page-grid {
    width: min(100% - 24px, 1180px);
    padding-top: 16px;
  }

  .panel-header,
  .panel-body,
  .hero-content,
  .gallery-section {
    padding: 16px;
  }

  .panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .mission-grid {
    grid-template-columns: 1fr;
  }

  .mission-card.image-mission {
    grid-column: auto;
  }

  .mission-card.image-mission .mission-subtitle,
  .mission-card.image-mission .mission-status {
    max-width: none;
  }

  .gallery-grid,
  .gallery-preview-grid,
  .image-review-grid,
  .compact-submission-list,
  .submission-list {
    grid-template-columns: 1fr;
  }

  .gallery-preview-rail .gallery-item {
    flex-basis: min(78vw, 300px);
  }

  .code-row {
    grid-template-columns: 1fr auto;
  }

  .code-row label,
  .code-row small {
    grid-column: 1 / -1;
  }

  .quiz-board {
    display: none;
  }

  .quiz-mobile-board {
    display: grid;
    gap: 12px;
  }

  .quiz-page-status {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .qr-scanner {
    place-items: center;
    padding: 10px;
  }

  .qr-scanner-panel {
    width: 100%;
    max-height: calc(100svh - 20px);
  }

  .qr-video-wrap {
    max-height: 48svh;
  }

  .manual-qr-row {
    grid-template-columns: minmax(0, 1fr) 76px;
  }

  .quiz-pair-row {
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: start;
  }

  .quiz-pair-row > div,
  .quiz-pair-row .danger-button {
    grid-column: 1 / -1;
  }

  .quiz-pair-number {
    height: 34px;
  }

  .quiz-node {
    min-height: 42px;
    padding: 8px;
    font-size: 0.78rem;
  }

  .quiz-mobile-status {
    align-items: flex-start;
    flex-direction: column;
  }

  .quiz-mobile-bank-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .submit-strip-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .submit-strip-actions {
    justify-content: flex-start;
    width: 100%;
  }

  .submit-strip-actions .compact-button,
  .submit-strip-actions .ghost-button {
    flex: 1;
  }

  .danger-zone-body {
    align-items: stretch;
    flex-direction: column;
  }

  .danger-zone-body .danger-button {
    width: 100%;
  }

  .my-image-form-grid {
    grid-template-columns: 1fr;
  }

  .gallery-open::after {
    opacity: 1;
    transform: none;
  }

  .image-viewer {
    gap: 10px;
    padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }

  .image-viewer-stage img {
    max-width: 100%;
    max-height: calc(100svh - 124px);
  }

  .employee-table {
    display: block;
    overflow-x: auto;
  }

  .code-row,
  .employee-add,
  .input-row {
    grid-template-columns: 1fr;
  }
}