/* ==========================================================================
   SmSt Support centre
   A help desk that borrows the frame and palette of the app it explains.
   The hub carries a neutral ink theme; each app page carries the app colour
   through the shared landing tokens (--lp-accent).
   ========================================================================== */

.lp--support {
  --lp-paper: #f2f3f0;
  --lp-surface: #ffffff;
  --lp-ink: #14171c;
  --lp-ink-soft: #363b44;
  --lp-muted: #636974;
  --lp-rule: #e0e2dd;
  --lp-accent: #1f2937;
  --lp-accent-deep: #0b0f16;
  --lp-accent-soft: #e9ebef;
  --lp-on-accent: #ffffff;
}

.lp--support,
.lp--works,
.lp--stocks,
.lp--finances {
  --app: var(--lp-accent);
}

/* ------------------------------------------------------------------ hub hero */
.sp-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.2rem, 6.5vw, 6rem) clamp(3.5rem, 7vw, 6rem);
}

.sp-hero--hub {
  border-bottom: 1px solid var(--lp-rule);
  background:
    radial-gradient(ellipse 42% 62% at 10% 0%, rgba(30, 79, 163, 0.11), transparent 62%),
    radial-gradient(ellipse 42% 62% at 50% 0%, rgba(166, 90, 23, 0.1), transparent 64%),
    radial-gradient(ellipse 42% 62% at 90% 0%, rgba(30, 90, 54, 0.11), transparent 62%),
    linear-gradient(180deg, #f6f7f4 0%, #fbfbf9 54%, #f2f3f0 100%);
}

.sp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(2.5rem, 5.5vw, 5.5rem);
}

.sp-hero__copy {
  max-width: 36rem;
}

.sp-hero__title {
  margin-top: 1.1rem;
  color: var(--lp-ink);
  font-size: clamp(2.8rem, 1.9rem + 4.6vw, 5.3rem);
  line-height: 0.98;
}

.sp-hero__copy .lp-lede {
  margin-top: 1.3rem;
  max-width: 44ch;
}

.sp-hero__copy .lp-actions {
  margin-top: 1.8rem;
}

.sp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  margin-top: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--lp-rule);
  color: var(--lp-muted);
  font-size: 0.82rem;
}

.sp-meta strong {
  margin-right: 0.3rem;
  color: var(--lp-ink);
  font-size: 1rem;
}

.sp-hero__visual {
  min-width: 0;
}

/* ------------------------------------------------------------------ desk */
.sp-desk {
  overflow: hidden;
  border: 1px solid var(--lp-rule);
  border-radius: 18px;
  background: var(--lp-surface);
  box-shadow: var(--lp-shadow-lift);
}

.sp-desk__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--lp-rule);
  background: #fafaf8;
}

.sp-desk__title {
  font-family: var(--lp-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sp-desk__rows {
  display: grid;
}

.sp-desk__row {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 1.1rem;
  border-bottom: 1px solid var(--lp-rule);
  transition: background 180ms var(--lp-ease);
}

.sp-desk__row:last-child {
  border-bottom: 0;
}

.sp-desk__row:hover {
  background: color-mix(in srgb, var(--app) 6%, #fff);
}

.sp-desk__swatch {
  width: 8px;
  height: 40px;
  border-radius: 4px;
  background: var(--app);
}

.sp-desk__body {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.sp-desk__body strong {
  font-family: var(--lp-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.sp-desk__body small {
  color: var(--lp-muted);
  font-size: 0.78rem;
}

.sp-desk__count {
  color: var(--lp-ink-soft);
  font-size: 0.78rem;
  white-space: nowrap;
}

.sp-desk__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1.1rem;
  border-top: 1px solid var(--lp-rule);
  background: var(--lp-accent-soft);
  color: var(--lp-muted);
  font-size: 0.78rem;
}

/* ------------------------------------------------------------------ app cards */
.sp-apps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2rem, 4vw, 3rem);
}

.sp-app {
  position: relative;
  overflow: hidden;
  padding: 1.7rem 1.5rem 1.5rem;
  border: 1px solid var(--lp-rule);
  border-radius: 16px;
  background: var(--lp-surface);
  box-shadow: var(--lp-shadow);
  transition:
    transform 200ms var(--lp-ease),
    box-shadow 200ms var(--lp-ease);
}

.sp-app::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--app);
}

.sp-app:hover {
  transform: translateY(-3px);
  box-shadow: var(--lp-shadow-lift);
}

.sp-app__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.sp-app__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--app);
  color: #fff;
  font-family: var(--lp-display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1;
}

.sp-app h3 {
  margin-top: 1.1rem;
  font-family: var(--lp-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.sp-app__tagline {
  margin-top: 0.5rem;
  color: var(--lp-ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.sp-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.3rem;
  border: 1px solid var(--lp-rule);
  background: var(--lp-rule);
}

.sp-facts > div {
  padding: 0.6rem 0.65rem;
  background: var(--lp-surface);
}

.sp-facts dt {
  color: var(--lp-muted);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sp-facts dd {
  margin-top: 0.3rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.sp-app__note {
  margin-top: 0.9rem;
  color: var(--lp-muted);
  font-size: 0.78rem;
}

.sp-app .lp-text-link {
  margin-top: 1.1rem;
}

/* ------------------------------------------------------------------ change log */
.sp-log {
  margin-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--lp-rule);
}

.sp-log__item {
  display: grid;
  grid-template-columns: 14px minmax(140px, 190px) minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--lp-rule);
}

.sp-log__dot {
  width: 10px;
  height: 10px;
  margin-top: 0.4rem;
  border-radius: 50%;
  background: var(--app);
}

.sp-log__meta {
  display: grid;
  align-content: start;
  gap: 0.2rem;
}

.sp-log__app {
  font-family: var(--lp-display);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.sp-log__version,
.sp-log__date {
  color: var(--lp-muted);
  font-size: 0.76rem;
}

.sp-log__body h3 {
  font-family: var(--lp-display);
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.sp-log__body p {
  margin-top: 0.4rem;
  color: var(--lp-ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.sp-log__body .lp-text-link {
  margin-top: 0.75rem;
}

/* ------------------------------------------------------------------ tips */
.sp-tipgrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
  margin-top: clamp(2rem, 4vw, 3rem);
}

.sp-tip {
  position: relative;
  padding: 1.35rem 1.4rem 1.4rem 1.6rem;
  border: 1px solid var(--lp-rule);
  border-radius: 14px;
  background: var(--lp-surface);
}

.sp-tip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  bottom: 1.4rem;
  width: 3px;
  border-radius: 3px;
  background: var(--app);
}

.sp-tip h3 {
  margin-top: 0.7rem;
  font-family: var(--lp-display);
  font-size: 1.06rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.sp-tip p {
  margin-top: 0.45rem;
  color: var(--lp-ink-soft);
  font-size: 0.88rem;
  line-height: 1.65;
}

.sp-tip__app {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--app);
  font-size: 0.78rem;
  font-weight: 600;
}

.sp-tip__app:hover {
  text-decoration: underline;
}

/* ------------------------------------------------------------------ help band */
.sp-help__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.75rem, 4vw, 3rem);
  border: 1px solid var(--lp-rule);
  border-radius: 20px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--app) 7%, #fff), var(--lp-surface));
}

.sp-help__inner > div:first-child {
  max-width: 42rem;
}

.sp-help__inner .lp-lede {
  margin-top: 0.7rem;
}

/* ------------------------------------------------------------------ app hero */
.sp-app-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.8rem, 5.5vw, 5rem) clamp(3rem, 6vw, 5.5rem);
  border-bottom: 1px solid var(--lp-rule);
  background:
    radial-gradient(ellipse 48% 62% at 8% 0%, color-mix(in srgb, var(--lp-accent) 14%, transparent), transparent 62%),
    linear-gradient(180deg, color-mix(in srgb, var(--lp-accent-soft) 55%, #fff) 0%, var(--lp-paper) 100%);
}

.sp-app-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--lp-accent);
}

.sp-app-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(2.5rem, 5.5vw, 5.5rem);
}

.sp-app-hero__copy {
  max-width: 37rem;
}

.sp-app-hero__title {
  margin-top: 1.1rem;
  color: var(--lp-accent-deep);
  font-size: clamp(2.6rem, 1.8rem + 4.2vw, 4.7rem);
  line-height: 0.98;
}

.sp-app-hero__copy .lp-lede {
  margin-top: 1.25rem;
  max-width: 42ch;
}

.sp-app-hero__copy .lp-actions {
  margin-top: 1.7rem;
}

.sp-app-hero__panel {
  overflow: hidden;
  border: 1px solid var(--lp-rule);
  border-radius: 18px;
  background: var(--lp-surface);
  box-shadow: var(--lp-shadow-lift);
}

.sp-panel__head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--lp-rule);
  background: var(--lp-accent-soft);
}

.sp-panel__name {
  display: grid;
  line-height: 1.15;
}

.sp-panel__name strong {
  font-family: var(--lp-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.sp-panel__name small {
  margin-top: 0.2rem;
  color: var(--lp-muted);
  font-size: 0.74rem;
}

.sp-panel__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--lp-rule);
}

.sp-panel__stats > div {
  padding: 0.9rem 1rem;
  background: var(--lp-surface);
}

.sp-panel__stats dt {
  color: var(--lp-muted);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sp-panel__stats dd {
  margin-top: 0.35rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.sp-panel__note {
  padding: 0.95rem 1.25rem 0;
  color: var(--lp-muted);
  font-size: 0.82rem;
}

.sp-panel__note strong {
  color: var(--lp-ink);
}

.sp-app-hero__panel .lp-text-link {
  margin: 0.85rem 1.25rem 1.15rem;
}

/* ------------------------------------------------------------------ sub bar */
.sp-bar {
  position: sticky;
  top: var(--lp-header);
  z-index: 400;
  border-bottom: 1px solid var(--lp-rule);
  background: color-mix(in srgb, var(--lp-paper) 92%, transparent);
  backdrop-filter: blur(14px) saturate(130%);
}

.sp-bar__inner {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  min-height: 54px;
  overflow-x: auto;
  scrollbar-width: none;
}

.sp-bar__inner::-webkit-scrollbar {
  display: none;
}

.sp-bar__label {
  margin-right: 0.5rem;
  color: var(--lp-muted);
  font-family: var(--lp-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.sp-bar a {
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  color: var(--lp-ink-soft);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 160ms var(--lp-ease), color 160ms var(--lp-ease);
}

.sp-bar a:hover {
  background: var(--lp-accent-soft);
  color: var(--lp-accent-deep);
}

/* ------------------------------------------------------------------ switcher */
.sp-switch {
  border-bottom: 1px solid var(--lp-rule);
  background: var(--lp-surface);
}

.sp-switch__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-block: 0.9rem;
}

.sp-switch__label {
  margin-right: 0.4rem;
  color: var(--lp-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.sp-switch__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--lp-rule);
  border-radius: 999px;
  color: var(--lp-ink-soft);
  font-size: 0.84rem;
  font-weight: 600;
  transition: border-color 160ms var(--lp-ease), color 160ms var(--lp-ease);
}

.sp-switch__chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--app);
}

.sp-switch__chip:hover {
  border-color: var(--app);
  color: var(--app);
}

.sp-switch__chip.is-current {
  border-color: var(--app);
  background: color-mix(in srgb, var(--app) 9%, #fff);
  color: var(--app);
}

/* ------------------------------------------------------------------ manuals */
.sp-manuals__grid {
  display: grid;
  grid-template-columns: 262px minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.25rem);
  align-items: start;
  margin-top: clamp(2rem, 4vw, 3rem);
}

.sp-index {
  position: sticky;
  top: calc(var(--lp-header) + 84px);
  display: grid;
  gap: 0.15rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--lp-rule);
}

.sp-index li {
  padding-bottom: 0.5rem;
}

.sp-index a {
  display: block;
  color: var(--lp-ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 160ms var(--lp-ease);
}

.sp-index a:hover {
  color: var(--lp-accent);
}

.sp-index__num {
  margin-right: 0.55rem;
  color: var(--lp-accent);
  font-size: 0.72rem;
}

.sp-index small {
  display: block;
  margin-top: 0.15rem;
  padding-left: 1.4rem;
  color: var(--lp-muted);
  font-size: 0.72rem;
}

.sp-manual-list {
  min-width: 0;
}

.sp-manual {
  scroll-margin-top: calc(var(--lp-header) + 88px);
  padding: 1.6rem 1.6rem 1.5rem;
  border: 1px solid var(--lp-rule);
  border-radius: 16px;
  background: var(--lp-surface);
  box-shadow: var(--lp-shadow);
}

.sp-manual + .sp-manual {
  margin-top: 1.25rem;
}

.sp-manual:target {
  border-color: var(--lp-accent);
  box-shadow: 0 0 0 3px var(--lp-accent-soft), var(--lp-shadow);
}

.sp-manual header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
}

.sp-manual__num {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--lp-accent);
  color: var(--lp-on-accent);
  font-size: 0.92rem;
  font-weight: 600;
}

.sp-manual h3 {
  font-family: var(--lp-display);
  font-size: 1.28rem;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.sp-manual header p {
  margin-top: 0.35rem;
  color: var(--lp-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.sp-steps {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.3rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--lp-rule);
}

.sp-steps li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
}

.sp-step__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--lp-accent-soft);
  color: var(--lp-accent-deep);
  font-size: 0.74rem;
  font-weight: 600;
}

.sp-steps p {
  color: var(--lp-ink-soft);
  font-size: 0.92rem;
  line-height: 1.65;
}

.sp-manual__foot {
  margin-top: 1.1rem;
  color: var(--lp-muted);
  font-size: 0.76rem;
}

/* ------------------------------------------------------------------ updates */
.sp-timeline {
  display: grid;
  max-width: 760px;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-left: 1.5rem;
  border-left: 2px solid var(--lp-rule);
}

.sp-update {
  position: relative;
  padding: 0rem 1rem;
  padding-bottom: 2.25rem;
}

.sp-update:last-child {
  padding-bottom: 0;
}

.sp-update::before {
  content: "";
  position: absolute;
  left: -1.9rem;
  top: 0.2rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--lp-accent);
  border: 2px solid var(--lp-paper);
}

.sp-update__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.sp-update__version {
  font-size: 0.85rem;
  font-weight: 600;
}

.sp-update__date {
  color: var(--lp-muted);
  font-size: 0.76rem;
}

.sp-update h3 {
  margin-top: 0.6rem;
  font-family: var(--lp-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.sp-update__summary {
  margin-top: 0.4rem;
  color: var(--lp-ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.sp-update__changes {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.7rem;
}

.sp-update__changes li {
  position: relative;
  padding-left: 1.05rem;
  color: var(--lp-ink-soft);
  font-size: 0.88rem;
  line-height: 1.6;
}

.sp-update__changes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lp-accent);
}

/* ------------------------------------------------------------------ tags */
.lp-tag--plain {
  background: color-mix(in srgb, var(--app) 10%, #fff);
  color: var(--app);
}

/* ------------------------------------------------------------------ responsive */
@media (max-width: 1000px) {
  .sp-hero__grid,
  .sp-app-hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .sp-hero__visual {
    max-width: 34rem;
  }

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

  .sp-manuals__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .sp-index {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0;
    border-left: 0;
  }

  .sp-index li {
    padding: 0;
  }

  .sp-index a {
    padding: 0.45rem 0.8rem;
    border: 1px solid var(--lp-rule);
    border-radius: 999px;
  }

  .sp-index small {
    display: none;
  }

  .sp-index__num {
    margin-right: 0.4rem;
  }
}

@media (max-width: 760px) {
  .sp-hero__title {
    font-size: clamp(2.4rem, 1.6rem + 6vw, 3.4rem);
  }

  .sp-app-hero__title {
    font-size: clamp(2.2rem, 1.5rem + 6vw, 3.2rem);
  }

  .sp-apps,
  .sp-tipgrid {
    grid-template-columns: minmax(0, 1fr);
  }

  .sp-log__item {
    grid-template-columns: 12px minmax(0, 1fr);
    gap: 0.35rem 0.9rem;
  }

  .sp-log__meta {
    grid-column: 2;
  }

  .sp-log__body {
    grid-column: 2;
    margin-top: 0.4rem;
  }

  .sp-manual {
    padding: 1.3rem 1.15rem;
  }

  .sp-manual header {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .sp-manual header .lp-tag {
    grid-column: 2;
    justify-self: start;
  }

  .sp-panel__note,
  .sp-app-hero__panel .lp-text-link {
    margin-inline: 1rem;
  }

  .sp-help__inner .lp-actions {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sp-app,
  .sp-desk__row,
  .sp-switch__chip,
  .sp-bar a,
  .sp-index a {
    transition: none;
  }

  .sp-app:hover {
    transform: none;
  }
}