:root {
  background: var(--cspk-bg, #f5f5f7);
}

body {
  min-width: 320px;
}

.alpha-fallback {
  width: min(520px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24vh 0 64px;
  text-align: center;
}

.alpha-fallback__mark {
  display: grid;
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  place-items: center;
  border-radius: 17px;
  color: white;
  background: #147ce5;
  font-size: 24px;
  font-weight: 850;
}

.alpha-fallback h1,
.alpha-fallback p,
.alpha-panel h2,
.alpha-panel h3,
.alpha-action-card h3,
.alpha-action-card p,
.alpha-profile h3 {
  margin: 0;
}

.alpha-fallback p {
  margin-top: 10px;
  color: #6e6e73;
}

.alpha-page {
  display: grid;
  gap: 22px;
  width: min(1080px, 100%);
  margin: 0 auto;
}

.alpha-hero {
  display: grid;
  gap: 14px;
  padding: clamp(8px, 2vw, 20px) 0 8px;
}

.alpha-hero h1 {
  max-width: 820px;
  margin: 0;
  color: var(--cspk-text);
  font-size: clamp(34px, 7vw, 68px);
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.alpha-hero p {
  max-width: 700px;
  margin: 0;
  color: var(--cspk-text-soft);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.65;
}

.alpha-panel {
  display: grid;
  gap: 18px;
  border: 1px solid var(--cspk-border);
  border-radius: var(--cspk-radius-lg);
  padding: clamp(18px, 3vw, 28px);
  background: var(--cspk-bg-elevated);
  box-shadow: var(--cspk-shadow-sm);
}

.alpha-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.alpha-heading h2 {
  font-size: 20px;
  letter-spacing: -0.025em;
}

.alpha-panel__description,
.alpha-detail {
  margin: 7px 0 0;
  color: var(--cspk-text-muted);
  font-size: 13px;
  line-height: 1.6;
}

.alpha-status-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

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

.alpha-action-card,
.alpha-tool-card {
  display: grid;
  align-content: start;
  gap: 13px;
  border: 1px solid var(--cspk-border);
  border-radius: var(--cspk-radius-lg);
  padding: 20px;
  background: var(--cspk-bg-elevated);
  box-shadow: var(--cspk-shadow-sm);
}

.alpha-action-card p {
  min-height: 4.8em;
  color: var(--cspk-text-soft);
  font-size: 14px;
  line-height: 1.6;
}

.alpha-action-card__symbol {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 13px;
  color: var(--cspk-accent);
  background: color-mix(in srgb, var(--cspk-accent) 12%, transparent);
  font-weight: 850;
}

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

.alpha-form {
  display: grid;
  gap: 15px;
}

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

.alpha-form--grid .alpha-form-actions {
  grid-column: 1 / -1;
}

.alpha-form-actions,
.alpha-upload-row,
.alpha-form-row,
.alpha-row-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.alpha-form-row {
  align-items: flex-end;
}

.alpha-form-row > .cspk-field {
  flex: 1 1 320px;
}

.alpha-upload-row .alpha-file-input {
  flex: 1 1 320px;
}

.alpha-file-input,
.alpha-select,
.alpha-textarea {
  width: 100%;
  min-width: 0;
}

.alpha-file-input {
  min-height: 46px;
  border: 1px solid var(--cspk-border);
  border-radius: var(--cspk-radius-md);
  padding: 8px;
  color: var(--cspk-text);
  background: var(--cspk-bg);
  font: inherit;
}

.alpha-file-input::file-selector-button {
  margin-right: 10px;
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--cspk-text);
  background: var(--cspk-bg-elevated);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.alpha-textarea {
  min-height: 88px;
  resize: vertical;
}

.alpha-resource-list,
.alpha-roster-list {
  display: grid;
  gap: 8px;
}

.alpha-resource-list .cspk-list-item,
.alpha-roster-list .cspk-list-item {
  border: 1px solid var(--cspk-border);
  border-radius: var(--cspk-radius-md);
  padding: 14px;
  background: var(--cspk-bg);
}

.alpha-resource-list .cspk-list-item__trailing,
.alpha-roster-list .cspk-list-item__trailing {
  width: auto;
  min-width: fit-content;
}

.alpha-file-link {
  color: var(--cspk-accent);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.alpha-file-link:hover {
  text-decoration: underline;
}

.alpha-drive-result:empty {
  display: none;
}

.alpha-drive-result {
  display: grid;
  gap: 12px;
  overflow: hidden;
  border-top: 1px solid var(--cspk-border);
  padding-top: 16px;
}

.alpha-drive-meta {
  margin: 0;
  color: var(--cspk-text-soft);
  line-height: 1.6;
}

.alpha-code-preview {
  overflow: auto;
  max-height: 380px;
  margin: 0;
  border-radius: var(--cspk-radius-md);
  padding: 16px;
  color: var(--cspk-text);
  background: var(--cspk-bg);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.alpha-drive-image {
  display: block;
  max-width: 100%;
  max-height: 520px;
  border-radius: var(--cspk-radius-md);
  object-fit: contain;
}

.alpha-google-button {
  min-height: 44px;
}

.alpha-profile {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
}

.alpha-profile > div {
  display: grid;
  justify-items: start;
  gap: 7px;
}

.alpha-inline-message {
  margin: 0;
  border-radius: var(--cspk-radius-md);
  padding: 12px 14px;
  color: var(--cspk-text-soft);
  background: var(--cspk-bg);
  font-size: 13px;
  line-height: 1.6;
}

.alpha-inline-message--danger {
  color: var(--cspk-danger, #b42318);
  background: color-mix(
    in srgb,
    var(--cspk-danger, #b42318) 9%,
    var(--cspk-bg-elevated)
  );
}

@media (max-width: 900px) {
  .alpha-status-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .alpha-action-grid {
    grid-template-columns: 1fr;
  }

  .alpha-action-card p {
    min-height: auto;
  }
}

@media (max-width: 680px) {
  .alpha-status-grid,
  .alpha-two-column,
  .alpha-form--grid {
    grid-template-columns: 1fr;
  }

  .alpha-form--grid .alpha-form-actions {
    grid-column: auto;
  }

  .alpha-heading,
  .alpha-profile {
    align-items: flex-start;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .alpha-profile {
    justify-items: start;
  }

  .alpha-row-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .alpha-row-actions .cspk-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .alpha-action-card,
  .alpha-panel {
    scroll-behavior: auto;
  }
}

/* Alpha product application */
:root {
  --alpha-font:
    -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Noto Sans KR", "Segoe UI", sans-serif;
  font-family: var(--alpha-font);
}

html,
body,
button,
input,
select,
textarea {
  font-family: var(--alpha-font) !important;
}

html,
body,
#app {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  color: var(--cspk-text);
  background:
    radial-gradient(
      circle at 50% -12%,
      color-mix(in srgb, var(--cspk-accent) 11%, transparent),
      transparent 42%
    ),
    var(--cspk-bg);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.alpha-fallback,
.alpha-startup,
.alpha-fatal {
  display: grid;
  min-height: 100vh;
  place-content: center;
  justify-items: center;
  gap: 18px;
  margin: 0;
  padding: 24px;
  text-align: center;
}

.alpha-fallback {
  width: auto;
}

.alpha-fallback h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.04em;
}

.alpha-fallback p,
.alpha-fatal p {
  margin: 0;
  color: var(--cspk-text-muted);
}

.alpha-brand-mark,
.alpha-fallback__mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 15px;
  color: #fff;
  background: linear-gradient(145deg, #5aa8fa, #147ce5);
  box-shadow:
    0 14px 32px color-mix(in srgb, var(--cspk-accent) 26%, transparent),
    inset 0 1px 0 rgb(255 255 255 / 34%);
  font-size: 22px;
  font-weight: 850;
  line-height: 1;
}

.alpha-brand-mark--large {
  width: 62px;
  height: 62px;
  border-radius: 19px;
  font-size: 28px;
}

.alpha-spinner {
  box-sizing: border-box;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 2px solid
    color-mix(in srgb, var(--cspk-text-muted) 32%, transparent);
  border-top-color: var(--cspk-accent);
  border-radius: 50%;
  transform: translateZ(0) rotate(0turn);
  transform-origin: 50% 50%;
  animation: alpha-spin 720ms linear infinite;
}

@keyframes alpha-spin {
  to {
    transform: translateZ(0) rotate(1turn);
  }
}

.cspk-button.is-loading::before {
  box-sizing: border-box;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  border-width: 2px;
  border-color: currentcolor;
  border-top-color: transparent;
  transform: translateZ(0) rotate(0turn);
  transform-origin: 50% 50%;
  animation: alpha-spin 720ms linear infinite;
}

.cspk-toast__dismiss,
.cspk-overlay__close {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 0 !important;
  font-size: 0 !important;
  line-height: 0 !important;
}

.cspk-toast__dismiss::before,
.cspk-overlay__close::before {
  display: block;
  content: "×";
  font-family: Arial, sans-serif;
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
  transform: translateY(-1px);
}

.alpha-login {
  position: relative;
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px;
}

.alpha-login::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      circle at 50% 38%,
      color-mix(in srgb, var(--cspk-accent) 13%, transparent),
      transparent 32%
    );
  content: "";
  pointer-events: none;
}

.alpha-login__card {
  display: grid;
  width: min(380px, 100%);
  justify-items: center;
  gap: 24px;
  border: 1px solid var(--cspk-border);
  border-radius: 30px;
  padding: 42px 30px;
  background: color-mix(
    in srgb,
    var(--cspk-bg-elevated) 92%,
    transparent
  );
  box-shadow: var(--cspk-shadow-lg);
  backdrop-filter: blur(24px) saturate(145%);
}

.alpha-login__card h1 {
  margin: -6px 0 2px;
  font-size: 30px;
  font-weight: 820;
  letter-spacing: -0.045em;
  line-height: 1;
}

.alpha-login__card.is-authenticating {
  pointer-events: none;
}

.alpha-google-host {
  display: flex;
  width: min(320px, 100%);
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.alpha-google-host > div,
.alpha-google-host iframe {
  margin-inline: auto !important;
}

.alpha-login-progress {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--cspk-text-soft);
  font-size: 14px;
  font-weight: 750;
}

.alpha-login-error {
  margin: 0;
  color: var(--cspk-danger, #d92d20);
  font-size: 13px;
}

.alpha-admin-entry {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  border: 0;
  padding: 7px 9px;
  color: var(--cspk-text-muted);
  background: transparent;
  font-size: 11px;
  opacity: 0.42;
  cursor: pointer;
  transition:
    color 160ms ease,
    opacity 160ms ease;
}

.alpha-admin-entry:hover,
.alpha-admin-entry:focus-visible {
  color: var(--cspk-text);
  opacity: 0.86;
}

.alpha-product .cspk-product-brand__copy small,
.alpha-product .cspk-product-sidebar__footer {
  display: none;
}

.alpha-product .cspk-product-header,
.alpha-product .cspk-product-body {
  width: min(1320px, calc(100% - 28px));
}

.alpha-product .cspk-product-body {
  grid-template-columns: 214px minmax(0, 1fr);
}

.alpha-product .cspk-product-search input {
  font-size: 14px;
}

.alpha-page {
  display: grid;
  width: min(1040px, 100%);
  gap: 20px;
  margin: 0 auto;
}

.alpha-page-header,
.alpha-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.alpha-page-header {
  min-height: 52px;
}

.alpha-page-header h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 820;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.alpha-panel {
  display: grid;
  gap: 18px;
  border: 1px solid var(--cspk-border);
  border-radius: 24px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--cspk-bg-elevated);
  box-shadow: var(--cspk-shadow-sm);
}

.alpha-panel-header h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.alpha-welcome {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 2px 4px;
}

.alpha-welcome h1 {
  margin: 2px 0 0;
  font-size: clamp(28px, 5vw, 44px);
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.alpha-welcome__label {
  color: var(--cspk-text-muted);
  font-size: 13px;
  font-weight: 700;
}

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

.alpha-subject-card {
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: 210px;
  border: 1px solid var(--cspk-border);
  border-radius: 23px;
  padding: 20px;
  background: var(--cspk-bg-elevated);
  box-shadow: var(--cspk-shadow-sm);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.alpha-subject-card.is-focused {
  border-color: var(--cspk-accent);
  box-shadow: 0 0 0 4px var(--cspk-accent-soft);
  transform: translateY(-2px);
}

.alpha-subject-card > header {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 13px;
}

.alpha-subject-card h2,
.alpha-subject-card p {
  margin: 0;
}

.alpha-subject-card h2 {
  font-size: 20px;
  letter-spacing: -0.035em;
}

.alpha-subject-card p {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 5px;
  color: var(--cspk-text-muted);
  font-size: 13px;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.alpha-subject-card__mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px;
  color: var(--cspk-accent);
  background: var(--cspk-accent-soft);
  font-size: 18px;
  font-weight: 850;
}

.alpha-service-list {
  display: grid;
  gap: 7px;
}

.alpha-service {
  display: flex;
  width: 100%;
  min-width: 0;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 0;
  border-radius: 14px;
  padding: 10px 12px;
  color: var(--cspk-text);
  background: var(--cspk-bg);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition:
    color 150ms ease,
    background 150ms ease,
    transform 150ms ease;
}

.alpha-service:hover,
.alpha-service:focus-visible {
  color: var(--cspk-accent);
  background: var(--cspk-accent-soft);
  transform: translateX(2px);
  outline: 0;
}

.alpha-service__copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.alpha-service__copy strong {
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alpha-service__copy small {
  overflow: hidden;
  color: var(--cspk-text-muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alpha-service__arrow {
  flex: 0 0 auto;
  font-size: 16px;
}

.alpha-subject-card__empty,
.alpha-admin-empty {
  padding: 11px 3px;
  color: var(--cspk-text-muted);
  font-size: 12px;
}

.alpha-popup-copy {
  margin: 0;
  color: var(--cspk-text-soft);
  line-height: 1.65;
}

.alpha-search-results {
  display: grid;
  gap: 7px;
}

.alpha-search-result {
  display: grid;
  min-height: 54px;
  grid-template-columns: minmax(72px, auto) 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid transparent;
  border-radius: 15px;
  padding: 10px 13px;
  color: var(--cspk-text);
  background: var(--cspk-bg);
  text-align: left;
  cursor: pointer;
}

.alpha-search-result:hover,
.alpha-search-result:focus-visible {
  border-color: var(--cspk-accent);
  outline: 0;
}

.alpha-search-result__type {
  overflow: hidden;
  color: var(--cspk-text-muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.alpha-form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.alpha-form-grid > .cspk-field,
.alpha-form-grid > .alpha-control-field {
  min-width: 0;
  align-self: start;
}

.alpha-form-actions {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  gap: 8px;
  padding-top: 2px;
}

.alpha-select,
.alpha-textarea {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
}

.alpha-textarea {
  min-height: 104px;
  resize: vertical;
}

.alpha-student-form .alpha-textarea {
  height: 46px;
  min-height: 46px;
}

.cspk-input[readonly] {
  color: var(--cspk-text-muted);
  background: color-mix(
    in srgb,
    var(--cspk-bg) 80%,
    var(--cspk-border)
  );
  cursor: default;
}

.alpha-account-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-inline: 4px;
}

.alpha-admin-switcher {
  display: flex;
  width: fit-content;
  gap: 5px;
  border: 1px solid var(--cspk-border);
  border-radius: 999px;
  padding: 4px;
  background: var(--cspk-bg-elevated);
}

.alpha-admin-catalog,
.alpha-admin-students {
  display: grid;
  gap: 14px;
}

.alpha-admin-subject {
  display: grid;
  gap: 13px;
  border: 1px solid var(--cspk-border);
  border-radius: 18px;
  padding: 16px;
  background: var(--cspk-bg);
}

.alpha-admin-subject > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.alpha-admin-subject > header > div:first-child {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.alpha-admin-subject h3 {
  overflow: hidden;
  margin: 0;
  font-size: 16px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alpha-admin-services {
  display: grid;
  gap: 6px;
}

.alpha-admin-service,
.alpha-student-row {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: 13px;
  padding: 9px 10px 9px 13px;
  background: var(--cspk-bg-elevated);
}

.alpha-admin-service__copy,
.alpha-student-row__copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.alpha-admin-service__copy strong,
.alpha-student-row__copy strong {
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alpha-admin-service__copy small,
.alpha-student-row__copy small {
  color: var(--cspk-text-muted);
  font-size: 11px;
}

.alpha-row-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.alpha-student-list {
  display: grid;
  gap: 7px;
}

@media (max-width: 800px) {
  .alpha-subject-grid {
    grid-template-columns: 1fr;
  }

  .alpha-product .cspk-product-header,
  .alpha-product .cspk-product-body {
    width: calc(100% - 20px);
  }
}

@media (max-width: 680px) {
  .alpha-login {
    padding: 20px;
  }

  .alpha-login__card {
    padding: 36px 20px;
  }

  .alpha-page {
    gap: 16px;
  }

  .alpha-page-header {
    min-height: 46px;
  }

  .alpha-page-header h1 {
    font-size: 30px;
  }

  .alpha-panel {
    border-radius: 20px;
    padding: 18px;
  }

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

  .alpha-form-actions {
    grid-column: auto;
  }

  .alpha-admin-subject > header,
  .alpha-admin-service,
  .alpha-student-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .alpha-row-actions {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .alpha-spinner,
  .cspk-button.is-loading::before {
    animation-duration: 1400ms;
  }

  .alpha-subject-card,
  .alpha-service {
    transition: none;
  }
}