:root {
  --ninja-sidebar-w: 232px;
  --ninja-sidebar-w-collapsed: 76px;
  --ninja-space: 14px;
  --ninja-space-mobile: 12px;
  --ninja-radius: 8px;
  --ninja-radius-sm: 6px;
  --ninja-font: Inter, "Pretendard", "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ninja-bg: #060811;
  --ninja-bg-elevated: rgba(10, 15, 27, 0.92);
  --ninja-surface: rgba(17, 25, 40, 0.64);
  --ninja-surface-panel: rgba(255, 255, 255, 0.055);
  --ninja-surface-soft: rgba(255, 255, 255, 0.072);
  --ninja-border: rgba(139, 158, 184, 0.22);
  --ninja-border-strong: rgba(214, 224, 239, 0.34);
  --ninja-text: #edf5ff;
  --ninja-text-soft: #c2d0df;
  --ninja-muted: #8fa0b4;
  --ninja-faint: #5f7188;
  --ninja-accent: #5b8cff;
  --ninja-accent-2: #21d4c2;
  --ninja-violet: #a78bfa;
  --ninja-warning: #ffc857;
  --ninja-danger: #ff6f91;
  --ninja-success: #35d49b;
  --ninja-info: #64d2ff;
  --ninja-shadow: 0 22px 70px rgba(0, 0, 0, 0.38);
  --ninja-focus: 0 0 0 3px rgba(91, 140, 255, 0.24);
}

html[data-theme="light"],
body.ninja-shell--light {
  --ninja-bg: #f4f6f9;
  --ninja-bg-elevated: #ffffff;
  --ninja-surface: rgba(255, 255, 255, 0.76);
  --ninja-surface-panel: rgba(15, 23, 42, 0.035);
  --ninja-surface-soft: rgba(15, 23, 42, 0.06);
  --ninja-border: rgba(23, 35, 54, 0.13);
  --ninja-border-strong: rgba(23, 35, 54, 0.24);
  --ninja-text: #172033;
  --ninja-text-soft: #344256;
  --ninja-muted: #667085;
  --ninja-faint: #8a94a6;
  --ninja-shadow: 0 16px 36px rgba(15, 23, 42, 0.10);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--ninja-bg);
  color: var(--ninja-text);
  font-family: var(--ninja-font);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--ninja-bg);
  color: var(--ninja-text);
  font-family: var(--ninja-font);
  overflow-x: hidden;
}

[hidden] {
  display: none;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  border: 0;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

strong,
b,
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 650;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.ninja-shell {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(91, 140, 255, 0.16), transparent 34rem),
    linear-gradient(225deg, rgba(33, 212, 194, 0.12), transparent 36rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 20rem),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.024) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 58px),
    var(--ninja-bg);
  color: var(--ninja-text);
}

.ninja-card,
.panel,
.auth-card,
.login-card,
.edit-drawer__panel {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.064), rgba(255, 255, 255, 0.026)),
    var(--ninja-surface);
  border: 1px solid var(--ninja-border);
  border-radius: var(--ninja-radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.ninja-sidebar {
  background:
    linear-gradient(180deg, rgba(91, 140, 255, 0.09), transparent 32rem),
    rgba(6, 9, 17, 0.94);
  border-right: 1px solid var(--ninja-border);
}

html[data-theme="light"] .ninja-sidebar,
body.ninja-shell--light .ninja-sidebar {
  background: rgba(255, 255, 255, 0.94);
}

.ninja-button,
.icon-action,
.sidebar-toggle,
.nav-item,
.role-tab,
.period-chip,
.admin-tab,
.settings-section-chip,
.settings-action-button,
.floating-support-button,
.google-login-button,
.signup-open-button {
  min-height: 36px;
  border-radius: var(--ninja-radius-sm);
  border: 1px solid var(--ninja-border);
  background: transparent;
  color: var(--ninja-text);
  font-size: 12px;
  font-weight: 550;
  cursor: pointer;
  transition:
    border-color 140ms ease,
    color 140ms ease,
    background-color 140ms ease,
    transform 140ms ease;
}

.ninja-button,
.icon-action,
.sidebar-toggle,
.settings-action-button,
.floating-support-button,
.google-login-button,
.signup-open-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ninja-space);
  padding: 0 var(--ninja-space);
  white-space: nowrap;
}

.ninja-button svg,
.icon-action svg,
.sidebar-toggle svg,
.nav-item svg,
.role-tab svg,
.admin-tab svg,
.settings-action-button svg,
.floating-support-button svg,
.google-login-button svg,
.signup-open-button svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.ninja-button:hover,
.icon-action:hover,
.sidebar-toggle:hover,
.nav-item:hover,
.role-tab:hover,
.period-chip:hover,
.admin-tab:hover,
.settings-section-chip:hover,
.settings-action-button:hover,
.floating-support-button:hover,
.google-login-button:hover,
.signup-open-button:hover {
  border-color: var(--ninja-border-strong);
  background:
    linear-gradient(90deg, rgba(91, 140, 255, 0.10), rgba(33, 212, 194, 0.075)),
    var(--ninja-surface-soft);
}

.ninja-button:focus-visible,
.icon-action:focus-visible,
.sidebar-toggle:focus-visible,
.nav-item:focus-visible,
.role-tab:focus-visible,
.period-chip:focus-visible,
.admin-tab:focus-visible,
.settings-section-chip:focus-visible,
.settings-action-button:focus-visible,
.floating-support-button:focus-visible,
.google-login-button:focus-visible,
.signup-open-button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 0;
  box-shadow: var(--ninja-focus);
}

.ninja-button--primary {
  border-color: rgba(91, 140, 255, 0.76);
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.30), rgba(33, 212, 194, 0.18));
  color: #f8fbff;
}

.ninja-button--secondary,
.ninja-button--ghost {
  background: transparent;
}

.ninja-button:disabled,
.ninja-button[disabled],
.soft-disabled-button,
button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.58;
}

.ninja-badge,
.ui-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--ninja-space) / 2);
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--ninja-text-soft);
  background: transparent;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.ninja-badge::before,
.ui-badge::before {
  content: "";
  width: calc(var(--ninja-space) / 2);
  height: calc(var(--ninja-space) / 2);
  border-radius: 999px;
  background: currentColor;
  flex: 0 0 auto;
  opacity: 0.88;
}

.ninja-badge--success,
.ninja-badge.success,
.ninja-badge.ready,
.ninja-badge.done,
.ninja-badge.ok,
.ninja-badge.active,
.ninja-badge.configured {
  color: var(--ninja-success);
}

.ninja-badge--info,
.ui-badge--pending,
.ninja-badge.info,
.ninja-badge.read,
.ninja-badge.server,
.ninja-badge.running,
.ninja-badge.queued,
.ninja-badge.recorded {
  color: var(--ninja-info);
}

.ninja-badge--warning,
.ninja-badge.warning,
.ninja-badge.pending,
.ninja-badge.planned,
.ninja-badge.partial,
.ninja-badge.needs_setup,
.ninja-badge.setup_required,
.ninja-badge.draft {
  color: var(--ninja-warning);
}

.ninja-badge--danger,
.ninja-badge.blocked,
.ninja-badge.error,
.ninja-badge.disabled,
.ninja-badge.danger {
  color: var(--ninja-danger);
}

.ninja-badge--legacy,
.ninja-badge.legacy,
.ninja-badge.legacy_only,
.ninja-badge.local,
.ninja-badge.masked,
.ninja-badge.owner_only,
.ninja-badge.write_only,
.ninja-badge.empty {
  color: var(--ninja-muted);
}

.panel {
  padding: var(--ninja-space);
}

.panel::before,
.ninja-card::before,
.auth-card::before,
.login-card::before,
.edit-drawer__panel::before {
  content: "";
  display: block;
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  margin: 0;
  border-radius: var(--ninja-radius) var(--ninja-radius) 0 0;
  background: linear-gradient(90deg, var(--ninja-accent), var(--ninja-accent-2), var(--ninja-violet));
  opacity: 0.64;
  pointer-events: none;
}

.panel-header,
.settings-section__head,
.settings-subpanel__head,
.owner-control-panel__head,
.plan-limit-card__head,
.job-handoff-card__head,
.dashboard-channel-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ninja-space);
}

.panel-header h2,
.settings-page-title h2,
.settings-section__head h3,
.owner-control-panel__head h3 {
  margin: 0;
  color: var(--ninja-text);
  font-size: 15px;
  line-height: 1.25;
  font-weight: 620;
}

.panel-header p,
.settings-page-title p,
.settings-section__head p,
.owner-control-panel__head p,
.panel-header small {
  margin-top: 0;
  color: var(--ninja-muted);
  font-size: 11px;
}

.panel-kicker,
.eyebrow,
.settings-field-label {
  display: inline-flex;
  color: var(--ninja-info);
  font-size: 10px;
  font-weight: 650;
}

.section-title-only {
  margin: 0;
  font-size: 13px;
  line-height: 1.3;
}

.ninja-form,
.settings-inline-form,
.feature-hub-form,
.plan-limit-form,
.login-form,
.signup-form {
  display: grid;
  gap: var(--ninja-space);
}

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

.ninja-form label,
.settings-inline-form label,
.feature-hub-form label,
.plan-limit-form label,
.login-field,
.edit-drawer__fields label {
  display: grid;
  gap: var(--ninja-space);
  color: var(--ninja-text-soft);
  font-size: 11px;
  font-weight: 520;
  min-width: 0;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--ninja-border);
  border-radius: var(--ninja-radius-sm);
  background: rgba(255, 255, 255, 0.045);
  color: var(--ninja-text);
  padding: 0 var(--ninja-space);
}

input,
select {
  height: 38px;
}

textarea {
  min-height: 76px;
  padding-top: var(--ninja-space);
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--ninja-faint);
}

html[data-theme="light"] input,
html[data-theme="light"] select,
html[data-theme="light"] textarea,
body.ninja-shell--light input,
body.ninja-shell--light select,
body.ninja-shell--light textarea {
  background: rgba(15, 23, 42, 0.03);
}

.form-actions,
.settings-save-row,
.signup-dialog__actions,
.edit-drawer__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--ninja-space);
}

.data-table {
  overflow: hidden;
}

.data-empty {
  display: grid;
  align-content: center;
  min-height: 74px;
  padding: var(--ninja-space);
  border: 0;
  border-top: 1px solid var(--ninja-border);
  border-radius: 0;
  color: var(--ninja-muted);
  background: transparent;
  font-weight: 520;
}

.data-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: var(--ninja-space);
  padding: var(--ninja-space);
  border-bottom: 1px solid var(--ninja-border);
}

.data-row:last-child {
  border-bottom: 0;
}

.data-row strong {
  display: block;
  color: var(--ninja-text);
  font-weight: 560;
}

.data-row small,
.data-row p,
.muted-cell {
  color: var(--ninja-muted);
  font-size: 11px;
}

.row-value {
  color: var(--ninja-text-soft);
  font-weight: 560;
  text-align: right;
  white-space: nowrap;
}

.row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--ninja-space);
}

.sheets-table-wrap {
  overflow-x: auto;
}

.sheets-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.sheets-table th,
.sheets-table td {
  padding: var(--ninja-space);
  border-bottom: 1px solid var(--ninja-border);
  color: var(--ninja-text-soft);
  text-align: left;
  vertical-align: top;
}

.sheets-table th {
  color: var(--ninja-muted);
  font-size: 11px;
  font-weight: 600;
}

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

@media (max-width: 760px) {
  :root {
    --ninja-space: var(--ninja-space-mobile);
  }

  html {
    font-size: 12px;
  }

  .panel-header,
  .settings-section__head,
  .settings-subpanel__head,
  .owner-control-panel__head,
  .plan-limit-card__head,
  .job-handoff-card__head,
  .dashboard-channel-card__head {
    flex-direction: column;
  }

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

  .data-row {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .row-value {
    text-align: left;
    white-space: normal;
  }
}