@import url('https://fonts.googleapis.com/css2?family=Gowun+Dodum&family=Jua&display=swap');

:root {
  --kcs-soft-ink: #17352d;
  --kcs-soft-muted: #5f6f69;
  --kcs-soft-paper: #fffdf7;
  --kcs-soft-cream: #f6f0df;
  --kcs-soft-mint: #dcefe8;
  --kcs-soft-green: #0f765d;
  --kcs-soft-green-dark: #095744;
  --kcs-soft-coral: #ed765e;
  --kcs-soft-coral-pale: #fde4dc;
  --kcs-soft-yellow: #f1c453;
  --kcs-soft-blue: #dce9f7;
  --kcs-soft-line: #d9dfd8;
  --kcs-soft-shadow: 0 22px 60px rgba(35, 57, 48, 0.12);
  --kcs-soft-shadow-small: 0 12px 30px rgba(35, 57, 48, 0.08);
  --kcs-soft-radius-xl: 36px;
  --kcs-soft-radius-lg: 30px;
  --kcs-soft-radius-md: 18px;
  --kcs-soft-body: "Gowun Dodum", "Malgun Gothic", sans-serif;
  --kcs-soft-display: "Jua", "Malgun Gothic", sans-serif;
}

body.kcs-soft-shell {
  color: var(--kcs-soft-ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(241, 196, 83, 0.23), transparent 24rem),
    radial-gradient(circle at 88% 18%, rgba(220, 239, 232, 0.9), transparent 28rem),
    var(--kcs-soft-cream);
  font-family: var(--kcs-soft-body);
}

.kcs-soft-shell .site-header {
  border-bottom-color: rgba(23, 53, 45, 0.1);
  background: rgba(255, 253, 247, 0.82);
  backdrop-filter: blur(18px);
}

.kcs-soft-shell .brand-mark,
.kcs-soft-shell .button-primary,
.kcs-soft-shell .pilot-steps span {
  background: var(--kcs-soft-green);
}

.kcs-soft-shell .brand-copy strong,
.kcs-soft-shell .hero h1,
.kcs-soft-shell .section-heading h2,
.kcs-soft-shell .philosophy-heading h2,
.kcs-soft-shell .learning-flow h2,
.kcs-soft-shell .service-card h3,
.kcs-soft-shell .contact h2,
.kcs-soft-shell .site-footer strong {
  font-family: var(--kcs-soft-display);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.kcs-soft-shell .hero {
  background:
    radial-gradient(circle at 78% 18%, rgba(253, 228, 220, 0.9), transparent 22rem),
    radial-gradient(circle at 22% 76%, rgba(220, 239, 232, 0.82), transparent 24rem),
    transparent;
}

.kcs-soft-shell .button {
  border-radius: 16px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.kcs-soft-shell .button-primary {
  box-shadow: 0 7px 0 var(--kcs-soft-green-dark);
}

.kcs-soft-shell .button:hover {
  transform: translateY(-3px);
}

.kcs-soft-shell .button-primary:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 var(--kcs-soft-green-dark);
}

.kcs-soft-shell .orbit-center {
  color: var(--kcs-soft-ink);
  background: var(--kcs-soft-yellow);
  box-shadow: var(--kcs-soft-shadow);
}

.kcs-soft-shell .orbit-card,
.kcs-soft-shell .value-card,
.kcs-soft-shell .service-card,
.kcs-soft-shell .pilot-panel,
.kcs-soft-shell .story-grid article {
  border-color: rgba(23, 53, 45, 0.12);
  border-radius: var(--kcs-soft-radius-lg);
  background: rgba(255, 253, 247, 0.9);
  box-shadow: var(--kcs-soft-shadow-small);
}

.kcs-soft-shell .service-card:nth-child(1) {
  background: linear-gradient(145deg, var(--kcs-soft-mint), var(--kcs-soft-paper) 68%);
}

.kcs-soft-shell .service-card:nth-child(2) {
  background: linear-gradient(145deg, var(--kcs-soft-coral-pale), var(--kcs-soft-paper) 68%);
}

.kcs-soft-shell .philosophy {
  color: var(--kcs-soft-ink);
  background: var(--kcs-soft-paper);
}

.kcs-soft-shell .value-card:nth-child(2) {
  background: #fff7d9;
}

.kcs-soft-shell .value-card:nth-child(3) {
  background: var(--kcs-soft-blue);
}

.kcs-soft-shell .learning-flow {
  background: var(--kcs-soft-green-dark);
}

.kcs-soft-shell .contact {
  background:
    radial-gradient(circle at 90% 20%, rgba(241, 196, 83, 0.24), transparent 18rem),
    var(--kcs-soft-coral-pale);
}

#view-puzzle-home.puzzle-home-view {
  color: var(--kcs-soft-ink);
  background:
    radial-gradient(circle at 8% 4%, rgba(241, 196, 83, 0.2), transparent 22rem),
    radial-gradient(circle at 92% 10%, rgba(220, 239, 232, 0.92), transparent 28rem),
    var(--kcs-soft-cream);
  font-family: var(--kcs-soft-body);
}

#view-puzzle-home .pzh-page {
  color: var(--kcs-soft-ink);
  background: transparent;
}

#view-puzzle-home .pzh-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(23, 53, 45, 0.1);
  border-radius: 0 0 48px 48px;
  background:
    radial-gradient(circle at 78% 30%, rgba(253, 228, 220, 0.88), transparent 22rem),
    radial-gradient(circle at 16% 82%, rgba(220, 233, 247, 0.78), transparent 20rem),
    rgba(255, 253, 247, 0.76);
}

#view-puzzle-home .pzh-hero::after {
  content: "";
  position: absolute;
  right: -5rem;
  top: 2rem;
  width: 17rem;
  aspect-ratio: 1;
  border: 2px solid rgba(15, 118, 93, 0.12);
  border-radius: 55% 45% 63% 37% / 42% 58% 42% 58%;
  pointer-events: none;
}

#view-puzzle-home .pzh-hero-copy,
#view-puzzle-home .pzh-hero-inner {
  position: relative;
  z-index: 1;
}

#view-puzzle-home .pzh-hero h1,
#view-puzzle-home .pzh-section-title,
#view-puzzle-home .pzh-summary-card h3,
#view-puzzle-home .pzh-puzzle-card h3 {
  color: var(--kcs-soft-ink);
  font-family: var(--kcs-soft-display);
  font-weight: 400;
  letter-spacing: -0.02em;
}

#view-puzzle-home .pzh-hero-badge,
#view-puzzle-home .pzh-new,
#view-puzzle-home .pzh-level,
#view-puzzle-home .pzh-chip-row span,
#view-puzzle-home .pzh-bridge-tags span {
  border-color: rgba(23, 53, 45, 0.1);
  border-radius: 999px;
}

#view-puzzle-home .pzh-start,
#view-puzzle-home .pzh-curriculum,
#view-puzzle-home .pzh-role-switch button,
#view-puzzle-home .pzh-filter button {
  border-radius: 16px;
  font-family: var(--kcs-soft-body);
  font-weight: 800;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

#view-puzzle-home .pzh-start {
  border-color: var(--kcs-soft-green);
  background: var(--kcs-soft-green);
  box-shadow: 0 7px 0 var(--kcs-soft-green-dark);
}

#view-puzzle-home .pzh-curriculum {
  color: var(--kcs-soft-ink);
  border-color: var(--kcs-soft-line);
  background: var(--kcs-soft-paper);
  box-shadow: 0 6px 0 #d5ccc4;
}

/* The pastel hero is light, so legacy white-on-dark hero text must not leak in. */
#view-puzzle-home .pzh-hero-copy {
  color: #405650;
}

#view-puzzle-home .pzh-hero h1 span {
  color: #5576c8;
}

#view-puzzle-home .pzh-beta-hero-badge {
  color: var(--kcs-soft-ink);
  border-color: rgba(23, 53, 45, 0.18);
  background: linear-gradient(135deg, rgba(220, 233, 247, 0.96), rgba(220, 239, 232, 0.96));
}

#view-puzzle-home .pzh-beta-hero-badge small {
  color: #405650;
}

#view-puzzle-home .pzh-feedback-link {
  color: #6b3a0a !important;
  border-color: #d89c2b !important;
  background: #fff1c9 !important;
}

#view-puzzle-home .pzh-service-guide span {
  color: #405650;
  border-color: rgba(23, 53, 45, 0.14);
  background: rgba(255, 253, 247, 0.9);
  box-shadow: 0 10px 24px rgba(23, 53, 45, 0.08);
}

#view-puzzle-home .pzh-service-guide b {
  color: var(--kcs-soft-ink);
}

#view-puzzle-home .pzh-role-switch {
  border-color: rgba(23, 53, 45, 0.14);
  background: rgba(255, 253, 247, 0.9);
}

#view-puzzle-home .pzh-role-switch > span,
#view-puzzle-home .pzh-role-switch button:not(.active) {
  color: #39514a;
}

#view-puzzle-home .pzh-start:hover,
#view-puzzle-home .pzh-curriculum:hover,
#view-puzzle-home .pzh-role-switch button:hover,
#view-puzzle-home .pzh-filter button:hover {
  transform: translateY(-3px);
}

#view-puzzle-home .pzh-role-switch button.active,
#view-puzzle-home .pzh-filter button.active {
  color: #fff;
  border-color: var(--kcs-soft-green);
  background: var(--kcs-soft-green);
}

#view-puzzle-home .pzh-summary-card,
#view-puzzle-home .pzh-feature-grid > *,
#view-puzzle-home .pzh-puzzle-section {
  border-color: rgba(23, 53, 45, 0.11);
  border-radius: var(--kcs-soft-radius-lg);
  background: rgba(255, 253, 247, 0.88);
  box-shadow: var(--kcs-soft-shadow-small);
}

#view-puzzle-home .pzh-puzzle-card {
  border-color: rgba(23, 53, 45, 0.12);
  border-radius: 26px;
  background: var(--kcs-soft-paper);
  box-shadow: 0 10px 24px rgba(35, 57, 48, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

#view-puzzle-home .pzh-puzzle-card:nth-child(3n + 1) {
  background: linear-gradient(145deg, var(--kcs-soft-mint), var(--kcs-soft-paper) 64%);
}

#view-puzzle-home .pzh-puzzle-card:nth-child(3n + 2) {
  background: linear-gradient(145deg, #fff5cf, var(--kcs-soft-paper) 64%);
}

#view-puzzle-home .pzh-puzzle-card:nth-child(3n) {
  background: linear-gradient(145deg, var(--kcs-soft-coral-pale), var(--kcs-soft-paper) 64%);
}

#view-puzzle-home .pzh-puzzle-card:hover,
#view-puzzle-home .pzh-puzzle-card:focus-visible {
  border-color: rgba(15, 118, 93, 0.34);
  box-shadow: var(--kcs-soft-shadow);
  transform: translateY(-5px) rotate(-0.25deg);
}

#view-puzzle-home .pzh-puzzle-symbol {
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.76);
}

body.kcs-soft-student {
  min-height: 100vh;
  color: var(--kcs-soft-ink);
  background:
    radial-gradient(circle at 8% 6%, rgba(241, 196, 83, 0.2), transparent 22rem),
    radial-gradient(circle at 92% 12%, rgba(220, 239, 232, 0.92), transparent 28rem),
    var(--kcs-soft-cream);
  font-family: var(--kcs-soft-body);
}

.kcs-soft-student button,
.kcs-soft-student input,
.kcs-soft-student select,
.kcs-soft-student textarea {
  font-family: var(--kcs-soft-body);
}

.kcs-soft-student h1,
.kcs-soft-student h2,
.kcs-soft-student h3,
.kcs-soft-student .entry-brand strong,
.kcs-soft-student .st-card-title,
.kcs-soft-student .rp-card-title {
  color: var(--kcs-soft-ink);
  font-family: var(--kcs-soft-display);
  font-weight: 400;
  letter-spacing: -0.015em;
}

.kcs-soft-student-login .entry-shell {
  position: relative;
}

.kcs-soft-student-login .entry-shell::before,
.kcs-soft-student-login .entry-shell::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

.kcs-soft-student-login .entry-shell::before {
  left: -6rem;
  top: 12%;
  width: 15rem;
  height: 15rem;
  background: rgba(253, 228, 220, 0.72);
}

.kcs-soft-student-login .entry-shell::after {
  right: -5rem;
  bottom: 8%;
  width: 13rem;
  height: 13rem;
  background: rgba(220, 233, 247, 0.78);
}

.kcs-soft-student-login .entry-brand,
.kcs-soft-student-login .entry-panel {
  border-color: rgba(23, 53, 45, 0.12);
  background: rgba(255, 253, 247, 0.9);
  box-shadow: var(--kcs-soft-shadow);
}

.kcs-soft-student-login .entry-brand {
  border-radius: var(--kcs-soft-radius-lg) var(--kcs-soft-radius-lg) 0 0;
}

.kcs-soft-student-login .entry-panel {
  border-radius: 0 0 var(--kcs-soft-radius-lg) var(--kcs-soft-radius-lg);
}

.kcs-soft-student-login .service-marks span,
.kcs-soft-student-login .join-context,
.kcs-soft-student-login .student-confirm,
.kcs-soft-student-login #pin-change-panel {
  border-color: rgba(23, 53, 45, 0.12) !important;
  border-radius: var(--kcs-soft-radius-md) !important;
}

.kcs-soft-student-login .join-context {
  background: var(--kcs-soft-mint);
}

.kcs-soft-student-login .field-input {
  border-color: var(--kcs-soft-line);
  border-radius: 14px;
  background: var(--kcs-soft-paper);
}

.kcs-soft-student-login .field-input:focus {
  border-color: var(--kcs-soft-green);
  box-shadow: 0 0 0 4px rgba(15, 118, 93, 0.12);
}

.kcs-soft-student-login .device-mode-btn,
.kcs-soft-student-login .login-btn,
.kcs-soft-student-login .sc-btn {
  border-radius: 14px;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.kcs-soft-student-login .device-mode-btn.active,
.kcs-soft-student-login .login-btn,
.kcs-soft-student-login .sc-btn.primary {
  border-color: var(--kcs-soft-green);
  background: var(--kcs-soft-green);
  box-shadow: 0 6px 0 var(--kcs-soft-green-dark);
}

.kcs-soft-student-login .login-btn:hover,
.kcs-soft-student-login .sc-btn:hover,
.kcs-soft-student-login .device-mode-btn:hover {
  transform: translateY(-2px);
}

.kcs-soft-student-dashboard .st-header {
  color: var(--kcs-soft-ink);
  border-bottom: 1px solid rgba(23, 53, 45, 0.1);
  background: rgba(255, 253, 247, 0.88);
  backdrop-filter: blur(16px);
}

.kcs-soft-student-dashboard .st-header-name {
  font-family: var(--kcs-soft-display);
  font-weight: 400;
}

.kcs-soft-student-dashboard .st-header-btn,
.kcs-soft-student-dashboard .st-nav-btn,
.kcs-soft-student-dashboard .hw-action-btn {
  border-radius: 14px;
}

.kcs-soft-student-dashboard .st-nav {
  gap: 0.45rem;
  padding: 0.55rem;
  border: 1px solid rgba(23, 53, 45, 0.1);
  border-radius: 18px;
  background: rgba(255, 253, 247, 0.84);
  box-shadow: var(--kcs-soft-shadow-small);
}

.kcs-soft-student-dashboard .st-nav-btn.active {
  color: #fff;
  background: var(--kcs-soft-green);
}

.kcs-soft-student-dashboard .st-main {
  position: relative;
}

.kcs-soft-student-dashboard .today-msg {
  border: 1px solid rgba(23, 53, 45, 0.1);
  border-radius: 22px;
  background: linear-gradient(135deg, #fff5cf, var(--kcs-soft-paper));
  box-shadow: var(--kcs-soft-shadow-small);
}

.kcs-soft-student-dashboard .st-card,
.kcs-soft-student-dashboard .hw-card,
.kcs-soft-student-dashboard .puzzle-card,
.kcs-soft-student-dashboard .record-row {
  border-color: rgba(23, 53, 45, 0.11);
}

.kcs-soft-student-dashboard .st-card {
  border: 1px solid rgba(23, 53, 45, 0.1);
  border-radius: 26px;
  background: rgba(255, 253, 247, 0.92);
  box-shadow: var(--kcs-soft-shadow-small);
}

.kcs-soft-student-dashboard .hw-card,
.kcs-soft-student-dashboard .puzzle-card {
  border-radius: 20px;
  background: var(--kcs-soft-paper);
}

.kcs-soft-student-dashboard .puzzle-card:nth-child(3n + 1) {
  background: linear-gradient(145deg, var(--kcs-soft-mint), var(--kcs-soft-paper) 70%);
}

.kcs-soft-student-dashboard .puzzle-card:nth-child(3n + 2) {
  background: linear-gradient(145deg, #fff5cf, var(--kcs-soft-paper) 70%);
}

.kcs-soft-student-dashboard .puzzle-card:nth-child(3n) {
  background: linear-gradient(145deg, var(--kcs-soft-coral-pale), var(--kcs-soft-paper) 70%);
}

.kcs-soft-student-dashboard .puzzle-card:hover {
  border-color: rgba(15, 118, 93, 0.34);
  box-shadow: var(--kcs-soft-shadow-small);
  transform: translateY(-3px);
}

.kcs-soft-student-report .rp-card,
.kcs-soft-student-report .pick-student-card,
.kcs-soft-student-report .student-banner,
.kcs-soft-student-report .ai-comment-card {
  border-color: rgba(23, 53, 45, 0.11);
  border-radius: 26px;
  background: rgba(255, 253, 247, 0.92);
  box-shadow: var(--kcs-soft-shadow-small);
}

.kcs-soft-student-report .rp-btn,
.kcs-soft-student-report select {
  border-radius: 14px;
}

.kcs-soft-student-report .rp-btn.success,
.kcs-soft-student-report .rp-btn.primary {
  background: var(--kcs-soft-green);
  box-shadow: 0 6px 0 var(--kcs-soft-green-dark);
}

.kcs-soft-student-report .comp-bar-track,
.kcs-soft-student-report .hm-cell,
.kcs-soft-student-report .chip {
  border-radius: 999px;
}

@media (max-width: 760px) {
  .kcs-soft-shell .orbit-card,
  .kcs-soft-shell .value-card,
  .kcs-soft-shell .service-card,
  .kcs-soft-shell .pilot-panel,
  #view-puzzle-home .pzh-summary-card,
  #view-puzzle-home .pzh-puzzle-section {
    border-radius: 24px;
  }

  #view-puzzle-home .pzh-hero {
    border-radius: 0 0 32px 32px;
  }

  #view-puzzle-home .pzh-puzzle-card {
    border-radius: 22px;
  }

  .kcs-soft-student-login .entry-brand,
  .kcs-soft-student-login .entry-panel,
  .kcs-soft-student-dashboard .st-card,
  .kcs-soft-student-report .rp-card {
    border-radius: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .kcs-soft-shell .button,
  #view-puzzle-home .pzh-start,
  #view-puzzle-home .pzh-curriculum,
  #view-puzzle-home .pzh-puzzle-card {
    transition: none;
  }
}