:root {
  --ks-ink: #172231;
  --ks-ink-soft: #4e5b68;
  --ks-paper: #fffdf7;
  --ks-canvas: #f4efe5;
  --ks-line: rgba(23, 34, 49, 0.13);
  --ks-vermilion: #c94f32;
  --ks-vermilion-dark: #9f3824;
  --ks-indigo: #173a5e;
  --ks-sage: #547967;
  --ks-gold: #d9aa55;
  --ks-radius-sm: 14px;
  --ks-radius-md: 22px;
  --ks-radius-lg: 34px;
  --ks-shadow: 0 24px 70px rgba(42, 48, 55, 0.11);
  --ks-font-body: "Pretendard", "SUIT", "Apple SD Gothic Neo", sans-serif;
  --ks-font-display: "AppleMyungjo", "Nanum Myeongjo", "Noto Serif KR", serif;
}

.ks-enhanced {
  padding-bottom: 0;
}

.ks-skip-link {
  position: fixed;
  z-index: 10000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: white;
  background: var(--ks-indigo);
  font: 800 0.9rem/1 var(--ks-font-body);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.ks-skip-link:focus {
  transform: translateY(0);
}

.ks-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  border-bottom: 1px solid rgba(23, 34, 49, 0.1);
  background: rgba(255, 253, 247, 0.88);
  box-shadow: 0 8px 30px rgba(23, 34, 49, 0.06);
  backdrop-filter: blur(18px) saturate(1.2);
}

.ks-header-inner {
  width: min(1240px, calc(100% - 36px));
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 0 auto;
}

.ks-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  color: var(--ks-ink);
  text-decoration: none;
}

.ks-brand-mark {
  width: 38px;
  height: 38px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 12px 12px 12px 3px;
  color: white;
  background: var(--ks-vermilion);
  box-shadow: inset -9px -9px 18px rgba(95, 23, 13, 0.18);
  font: 800 1rem/1 var(--ks-font-display);
}

.ks-brand-mark::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.24);
}

.ks-brand-copy {
  display: grid;
  gap: 1px;
}

.ks-brand-copy strong {
  font: 800 1.07rem/1.1 var(--ks-font-display);
  letter-spacing: -0.03em;
}

.ks-brand-copy small {
  color: var(--ks-ink-soft);
  font: 700 0.63rem/1 var(--ks-font-body);
  letter-spacing: 0.12em;
}

.ks-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.ks-nav-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--ks-ink-soft);
  font: 800 0.88rem/1 var(--ks-font-body);
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.ks-nav-link:hover {
  color: var(--ks-ink);
  background: rgba(23, 58, 94, 0.07);
  transform: translateY(-1px);
}

.ks-nav-link[aria-current="page"] {
  color: white;
  background: var(--ks-indigo);
}

.ks-nav-link svg,
.ks-mobile-link svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.ks-streak {
  min-height: 40px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid rgba(201, 79, 50, 0.18);
  border-radius: 999px;
  color: var(--ks-vermilion-dark);
  background: rgba(201, 79, 50, 0.08);
  font: 900 0.84rem/1 var(--ks-font-body);
  text-decoration: none;
}

.ks-streak-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ks-vermilion);
  box-shadow: 0 0 0 5px rgba(201, 79, 50, 0.11);
}

.ks-header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
}

.ks-auth {
  position: relative;
  font-family: var(--ks-font-body);
}

.ks-auth-trigger {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 6px;
  border: 1px solid rgba(23, 58, 94, 0.16);
  border-radius: 999px;
  color: var(--ks-indigo);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 6px 18px rgba(23, 58, 94, 0.08);
  font: 900 0.8rem/1 var(--ks-font-body);
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.ks-auth-trigger:hover:not(:disabled) {
  border-color: rgba(23, 58, 94, 0.34);
  box-shadow: 0 9px 24px rgba(23, 58, 94, 0.13);
  transform: translateY(-1px);
}

.ks-auth-trigger:disabled {
  cursor: wait;
  opacity: 0.72;
}

.ks-auth-avatar {
  width: 30px;
  height: 30px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: conic-gradient(from -45deg, #4285f4 0 25%, #34a853 0 50%, #fbbc05 0 75%, #ea4335 0);
  box-shadow: inset 0 0 0 4px white, 0 3px 9px rgba(23, 34, 49, 0.16);
  font: 900 0.75rem/1 var(--ks-font-body);
}

.ks-auth[data-auth-state="signed_in"] .ks-auth-avatar {
  background: linear-gradient(145deg, var(--ks-indigo), var(--ks-sage));
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.52), 0 3px 9px rgba(23, 34, 49, 0.18);
}

.ks-auth-avatar.large {
  width: 42px;
  height: 42px;
  font-size: 0.92rem;
}

.ks-auth-label {
  max-width: 112px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ks-auth-menu {
  width: min(330px, calc(100vw - 28px));
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 20;
  display: grid;
  gap: 14px;
  padding: 17px;
  border: 1px solid rgba(23, 34, 49, 0.12);
  border-radius: 20px;
  color: var(--ks-ink);
  background: rgba(255, 253, 247, 0.98);
  box-shadow: 0 24px 60px rgba(23, 34, 49, 0.2);
  backdrop-filter: blur(18px);
}

.ks-auth-menu[hidden],
.ks-auth-menu-actions[hidden] {
  display: none !important;
}

.ks-auth-identity {
  display: flex;
  align-items: center;
  gap: 11px;
}

.ks-auth-identity > span:last-child {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.ks-auth-identity strong,
.ks-auth-identity small {
  overflow: hidden;
  text-overflow: ellipsis;
}

.ks-auth-identity strong {
  font: 900 0.92rem/1.25 var(--ks-font-body);
  white-space: nowrap;
}

.ks-auth-identity small {
  color: var(--ks-ink-soft);
  font: 650 0.73rem/1.35 var(--ks-font-body);
}

.ks-auth-sync-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--ks-ink-soft);
  background: rgba(84, 121, 103, 0.09);
  font: 750 0.75rem/1.3 var(--ks-font-body);
}

.ks-auth-sync-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--ks-sage);
  box-shadow: 0 0 0 4px rgba(84, 121, 103, 0.12);
}

.ks-auth[data-auth-state="loading"] .ks-auth-sync-dot {
  animation: ks-auth-pulse 1.2s ease-in-out infinite;
}

.ks-auth[data-auth-state="error"] .ks-auth-sync-dot,
.ks-auth[data-auth-state="unavailable"] .ks-auth-sync-dot {
  background: var(--ks-gold);
  box-shadow: 0 0 0 4px rgba(217, 170, 85, 0.14);
}

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

.ks-auth-menu-actions button {
  min-height: 44px;
  border: 1px solid rgba(23, 58, 94, 0.14);
  border-radius: 11px;
  color: var(--ks-indigo);
  background: white;
  font: 850 0.76rem/1 var(--ks-font-body);
  cursor: pointer;
}

.ks-auth-menu-actions button:last-child {
  color: var(--ks-vermilion-dark);
  border-color: rgba(201, 79, 50, 0.16);
  background: rgba(201, 79, 50, 0.06);
}

@keyframes ks-auth-pulse {
  50% { opacity: 0.35; transform: scale(0.8); }
}

.ks-mobile-nav {
  display: none;
}

.ks-enhanced .top-nav,
.ks-enhanced .page-links {
  display: none !important;
}

.ks-enhanced .toolbar {
  top: 68px;
}

.ks-home {
  width: min(1240px, calc(100% - 40px));
  display: grid;
  gap: 24px;
  margin: 0 auto;
  padding: 34px 0 54px;
}

.home-page {
  min-height: 100vh;
  margin: 0;
  color: var(--ks-ink);
  font-family: var(--ks-font-body);
  background:
    radial-gradient(circle at 8% 8%, rgba(201, 79, 50, 0.14), transparent 25%),
    radial-gradient(circle at 92% 24%, rgba(84, 121, 103, 0.16), transparent 27%),
    linear-gradient(145deg, #f7f1e7 0%, #efe8dc 52%, #f6f2e9 100%);
}

.home-page::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(23, 34, 49, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 34, 49, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.ks-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 18px;
}

.ks-hero-copy,
.ks-daily-card,
.ks-panel,
.ks-module-card,
.ks-stat-card {
  border: 1px solid var(--ks-line);
  background: rgba(255, 253, 247, 0.88);
  box-shadow: var(--ks-shadow);
  backdrop-filter: blur(18px);
}

.ks-hero-copy {
  min-height: 430px;
  position: relative;
  display: grid;
  align-content: center;
  overflow: hidden;
  padding: clamp(30px, 5.5vw, 70px);
  border-radius: var(--ks-radius-lg);
  background:
    linear-gradient(120deg, rgba(255, 253, 247, 0.97) 0 64%, rgba(255, 253, 247, 0.2)),
    linear-gradient(150deg, #f6c9aa, #d6e1d9 56%, #b6cbd5);
}

.ks-hero-copy::before,
.ks-hero-copy::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.ks-hero-copy::before {
  width: 310px;
  height: 310px;
  right: -94px;
  top: -98px;
  background: rgba(201, 79, 50, 0.13);
  box-shadow: inset 0 0 0 32px rgba(255, 255, 255, 0.12);
}

.ks-hero-copy::after {
  width: 150px;
  height: 150px;
  right: 13%;
  bottom: -88px;
  background: rgba(23, 58, 94, 0.12);
}

.ks-eyebrow {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--ks-vermilion-dark);
  background: rgba(201, 79, 50, 0.1);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.ks-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ks-vermilion);
}

.ks-hero h1 {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0;
  font: 800 clamp(2.55rem, 6vw, 5.45rem)/1.04 var(--ks-font-display);
  letter-spacing: -0.065em;
  word-break: keep-all;
}

.ks-hero h1 em {
  color: var(--ks-vermilion);
  font-style: normal;
}

.ks-hero-lead {
  position: relative;
  z-index: 1;
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--ks-ink-soft);
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  line-height: 1.75;
}

.ks-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.ks-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: white;
  background: var(--ks-indigo);
  box-shadow: 0 12px 24px rgba(23, 58, 94, 0.16);
  font: 900 0.94rem/1 var(--ks-font-body);
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.ks-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(23, 58, 94, 0.2);
}

.ks-button.secondary {
  border-color: var(--ks-line);
  color: var(--ks-ink);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}

.ks-button.danger {
  color: var(--ks-vermilion-dark);
  background: rgba(201, 79, 50, 0.08);
  box-shadow: none;
}

.ks-not-found {
  min-height: 100vh;
  width: min(1040px, calc(100% - 40px));
  display: grid;
  place-items: center;
  margin: 0 auto;
  padding: 40px 0;
}

.ks-not-found-card {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.58fr);
  align-items: center;
  gap: clamp(28px, 7vw, 88px);
  padding: clamp(30px, 7vw, 82px);
  overflow: hidden;
  border: 1px solid var(--ks-line);
  border-radius: var(--ks-radius-lg);
  background: rgba(255, 253, 247, 0.9);
  box-shadow: var(--ks-shadow);
  backdrop-filter: blur(18px);
}

.ks-not-found-card h1 {
  margin: 0;
  font: 800 clamp(2.5rem, 7vw, 5rem)/1.06 var(--ks-font-display);
  letter-spacing: -0.06em;
  word-break: keep-all;
}

.ks-not-found-card h1 em {
  color: var(--ks-vermilion);
  font-style: normal;
}

.ks-not-found-card p:not(.ks-eyebrow) {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--ks-ink-soft);
  line-height: 1.75;
  word-break: keep-all;
}

.ks-not-found-mark {
  aspect-ratio: 1;
  display: grid;
  place-content: center;
  gap: 10px;
  border-radius: 50% 50% 46% 54%;
  color: white;
  text-align: center;
  background:
    radial-gradient(circle at 35% 26%, rgba(255, 255, 255, 0.18), transparent 26%),
    linear-gradient(145deg, var(--ks-indigo), #102b44);
  box-shadow: 0 28px 60px rgba(23, 58, 94, 0.22);
  transform: rotate(3deg);
}

.ks-not-found-mark strong {
  font: 800 clamp(3.2rem, 9vw, 6.5rem)/1 var(--ks-font-display);
  letter-spacing: -0.08em;
}

.ks-not-found-mark span {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.ks-daily-card {
  display: grid;
  align-content: start;
  gap: 22px;
  padding: 28px;
  border-radius: var(--ks-radius-lg);
  color: white;
  background:
    linear-gradient(165deg, rgba(23, 58, 94, 0.97), rgba(16, 43, 68, 0.97)),
    var(--ks-indigo);
}

.ks-daily-card .ks-eyebrow {
  color: #f7d9c7;
  background: rgba(255, 255, 255, 0.08);
}

.ks-daily-card > .ks-button {
  color: var(--ks-indigo);
  background: white;
  box-shadow: 0 12px 24px rgba(4, 22, 38, 0.18);
}

.ks-daily-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.ks-daily-head h2,
.ks-section-head h2,
.ks-panel h2 {
  margin: 0;
  font: 800 1.45rem/1.25 var(--ks-font-display);
  letter-spacing: -0.03em;
}

.ks-progress-ring {
  --progress: 0;
  width: 76px;
  height: 76px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--ks-gold) calc(var(--progress) * 1%), rgba(255, 255, 255, 0.15) 0);
}

.ks-progress-ring::before {
  content: "";
  grid-area: 1 / 1;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--ks-indigo);
}

.ks-progress-ring strong {
  z-index: 1;
  grid-area: 1 / 1;
  font-size: 0.88rem;
}

.ks-task-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ks-task {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.ks-task-mark {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 9px;
  color: transparent;
  background: rgba(255, 255, 255, 0.05);
  font-weight: 900;
}

.ks-task.done .ks-task-mark {
  border-color: var(--ks-gold);
  color: var(--ks-indigo);
  background: var(--ks-gold);
}

.ks-task-copy {
  display: grid;
  gap: 3px;
}

.ks-task-copy strong {
  font-size: 0.92rem;
}

.ks-task-copy small,
.ks-task-state {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.73rem;
}

.ks-task.done .ks-task-state {
  color: var(--ks-gold);
}

.ks-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ks-stat-card {
  position: relative;
  display: grid;
  gap: 5px;
  overflow: hidden;
  padding: 21px 22px;
  border-radius: var(--ks-radius-md);
}

.ks-stat-card::after {
  content: "";
  position: absolute;
  width: 64px;
  height: 64px;
  right: -22px;
  bottom: -26px;
  border-radius: 50%;
  background: var(--stat-accent, rgba(201, 79, 50, 0.14));
}

.ks-stat-card strong {
  font: 900 1.75rem/1 var(--ks-font-display);
}

.ks-stat-card span {
  color: var(--ks-ink-soft);
  font-size: 0.84rem;
}

.ks-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 10px 2px 0;
}

.ks-section-head p {
  margin: 5px 0 0;
  color: var(--ks-ink-soft);
  line-height: 1.55;
}

.ks-module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ks-module-card {
  min-height: 270px;
  position: relative;
  display: grid;
  align-content: space-between;
  gap: 24px;
  overflow: hidden;
  padding: 25px;
  border-radius: var(--ks-radius-md);
  color: var(--ks-ink);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.ks-module-card:hover {
  border-color: rgba(201, 79, 50, 0.3);
  box-shadow: 0 28px 70px rgba(42, 48, 55, 0.16);
  transform: translateY(-5px);
}

.ks-module-index {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: var(--module-color, var(--ks-vermilion));
  font: 900 0.78rem/1 var(--ks-font-body);
  letter-spacing: 0.06em;
}

.ks-module-card h3 {
  margin: 0;
  font: 800 1.36rem/1.25 var(--ks-font-display);
}

.ks-module-card p {
  margin: 9px 0 0;
  color: var(--ks-ink-soft);
  font-size: 0.9rem;
  line-height: 1.6;
}

.ks-module-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--module-color, var(--ks-vermilion));
  font-size: 0.82rem;
  font-weight: 900;
}

.ks-module-progress {
  width: 72px;
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(23, 34, 49, 0.08);
}

.ks-module-progress span {
  width: var(--module-progress, 0%);
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--module-color, var(--ks-vermilion));
}

.ks-insight-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 14px;
}

.ks-panel {
  padding: 27px;
  border-radius: var(--ks-radius-md);
}

.ks-panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.ks-panel-kicker {
  margin: 7px 0 0;
  color: var(--ks-ink-soft);
  font-size: 0.86rem;
}

.ks-week-chart {
  height: 150px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 10px;
  margin-top: 24px;
}

.ks-day-column {
  height: 100%;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: end;
  gap: 8px;
}

.ks-day-track {
  height: 100%;
  display: flex;
  align-items: end;
  overflow: hidden;
  border-radius: 10px;
  background: rgba(23, 58, 94, 0.07);
}

.ks-day-bar {
  width: 100%;
  min-height: 5px;
  height: var(--day-height, 5%);
  border-radius: 10px;
  background: linear-gradient(180deg, var(--ks-vermilion), #e48a64);
  transition: height 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ks-day-column.today .ks-day-bar {
  background: linear-gradient(180deg, var(--ks-indigo), #4d7598);
}

.ks-day-label {
  color: var(--ks-ink-soft);
  font-size: 0.7rem;
  font-weight: 800;
  text-align: center;
}

.ks-continue {
  min-height: 100%;
  display: grid;
  align-content: space-between;
  gap: 28px;
  color: white;
  background:
    linear-gradient(155deg, rgba(84, 121, 103, 0.98), rgba(50, 86, 70, 0.98)),
    var(--ks-sage);
}

.ks-continue .ks-panel-kicker {
  color: rgba(255, 255, 255, 0.7);
}

.ks-continue-link {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 15px;
  border-radius: 14px;
  color: var(--ks-sage);
  background: white;
  font-size: 0.88rem;
  font-weight: 900;
  text-decoration: none;
}

.ks-data-tools {
  border: 1px solid var(--ks-line);
  border-radius: var(--ks-radius-md);
  background: rgba(255, 253, 247, 0.7);
}

.ks-data-tools summary {
  padding: 18px 22px;
  color: var(--ks-ink-soft);
  font-size: 0.85rem;
  font-weight: 900;
  cursor: pointer;
}

.ks-data-tools-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 22px 20px;
}

.ks-import-label input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.ks-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 4px 4px;
  color: var(--ks-ink-soft);
  font-size: 0.78rem;
}

.ks-footer strong {
  color: var(--ks-ink);
  font-family: var(--ks-font-display);
}

.ks-toast-region {
  position: fixed;
  z-index: 3000;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 8px;
  pointer-events: none;
}

.ks-toast {
  max-width: 340px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 13px;
  color: white;
  background: rgba(23, 34, 49, 0.95);
  box-shadow: 0 18px 42px rgba(23, 34, 49, 0.24);
  font-size: 0.84rem;
  font-weight: 800;
  animation: ks-toast-in 200ms ease both;
}

.ks-toast[data-type="error"] {
  border-color: rgba(255, 226, 218, 0.35);
  background: rgba(126, 36, 24, 0.97);
}

@keyframes ks-toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.ks-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.ks-reveal.visible {
  opacity: 1;
  transform: none;
}

:where(.ks-header, .ks-home) a:focus-visible,
:where(.ks-header, .ks-home) button:focus-visible,
:where(.ks-mobile-nav) a:focus-visible,
.ks-data-tools summary:focus-visible {
  outline: 3px solid #8f2e1d;
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .ks-nav-link span {
    display: none;
  }

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

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

@media (max-width: 820px) {
  .ks-enhanced {
    padding-bottom: 78px !important;
  }

  .ks-header-inner {
    width: min(100% - 28px, 1240px);
    min-height: 60px;
  }

  .ks-enhanced .toolbar {
    top: 60px;
  }

  .ks-nav,
  .ks-streak {
    display: none;
  }

  .ks-header-actions {
    margin-left: auto;
  }

  .ks-mobile-nav {
    position: fixed;
    z-index: 2000;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    left: 10px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    padding: 7px;
    border: 1px solid rgba(23, 34, 49, 0.12);
    border-radius: 20px;
    background: rgba(255, 253, 247, 0.94);
    box-shadow: 0 18px 50px rgba(23, 34, 49, 0.18);
    backdrop-filter: blur(18px);
  }

  .ks-mobile-link {
    min-width: 0;
    display: grid;
    justify-items: center;
    gap: 3px;
    padding: 7px 2px;
    border-radius: 13px;
    color: var(--ks-ink-soft);
    font: 800 0.62rem/1 var(--ks-font-body);
    text-decoration: none;
  }

  .ks-mobile-link[aria-current="page"] {
    color: white;
    background: var(--ks-indigo);
  }

  .ks-hero {
    grid-template-columns: 1fr;
  }

  .ks-hero-copy {
    min-height: 390px;
  }

  .ks-daily-card {
    min-height: auto;
  }

  .ks-insight-grid {
    grid-template-columns: 1fr;
  }

  .ks-toast-region {
    right: 14px;
    bottom: 90px;
    left: 14px;
  }

  .ks-toast {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .ks-brand-copy small {
    display: none;
  }

  .ks-header-inner {
    width: calc(100% - 20px);
    gap: 10px;
  }

  .ks-auth-trigger {
    min-height: 44px;
    padding-right: 10px;
  }

  .ks-auth-label {
    max-width: 90px;
  }

  .ks-home {
    width: min(100% - 24px, 1240px);
    gap: 16px;
    padding-top: 16px;
  }

  .ks-hero-copy,
  .ks-daily-card {
    border-radius: 24px;
  }

  .ks-hero-copy {
    min-height: 410px;
    padding: 28px 23px;
  }

  .ks-hero h1 {
    font-size: clamp(2.35rem, 13vw, 3.55rem);
  }

  .ks-daily-card,
  .ks-panel,
  .ks-module-card {
    padding: 21px;
  }

  .ks-stats-grid,
  .ks-module-grid {
    grid-template-columns: 1fr;
  }

  .ks-stat-card {
    grid-template-columns: auto 1fr;
    align-items: center;
    column-gap: 14px;
  }

  .ks-stat-card strong {
    grid-row: 1 / span 2;
  }

  .ks-module-card {
    min-height: 225px;
  }

  .ks-section-head,
  .ks-footer {
    align-items: start;
    flex-direction: column;
  }

  .ks-week-chart {
    gap: 6px;
  }

  .ks-not-found {
    width: min(100% - 24px, 1040px);
    padding: 18px 0;
  }

  .ks-not-found-card {
    grid-template-columns: 1fr;
    padding: 28px 22px;
  }

  .ks-not-found-mark {
    width: min(230px, 72vw);
    margin: 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .ks-reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .ks-header,
  .ks-mobile-nav,
  .ks-skip-link,
  .ks-toast-region {
    display: none !important;
  }

  .ks-enhanced {
    padding-bottom: 0 !important;
  }

  .ks-enhanced .toolbar {
    top: 0;
  }
}