:root {
  --bg: #ffffff;
  --panel: rgba(255, 255, 255, 0.78);
  --surface: #f6f7f9;
  --text: #0f1720;
  --muted: #5d6a77;
  --line: rgba(15, 23, 32, 0.08);
  --line-strong: rgba(15, 23, 32, 0.14);
  --accent: #0a84ff;
  --accent-warm: #ff6a3d;
  --shadow-lg: 0 30px 80px rgba(15, 23, 32, 0.12);
  --shadow-md: 0 18px 44px rgba(15, 23, 32, 0.09);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
  --font-ui: "SF Pro Display", "SF Pro Text", "Instrument Sans", -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(10, 132, 255, 0.12), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(255, 106, 61, 0.1), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.5;
}

body::selection {
  background: rgba(10, 132, 255, 0.18);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select,
summary {
  font: inherit;
}

button {
  cursor: pointer;
  border: 0;
}

.ambient {
  position: fixed;
  width: 26rem;
  height: 26rem;
  border-radius: 999px;
  filter: blur(72px);
  z-index: -1;
  opacity: 0.4;
}

.ambient-left {
  top: 4rem;
  left: -10rem;
  background: rgba(10, 132, 255, 0.18);
}

.ambient-right {
  top: 28rem;
  right: -12rem;
  background: rgba(255, 106, 61, 0.14);
}

.topbar,
.section,
.footer {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 1rem;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  margin-top: 1rem;
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  box-shadow: 0 18px 40px rgba(15, 23, 32, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #63b0ff);
  box-shadow: 0 0 0 0.4rem rgba(10, 132, 255, 0.1);
}

.topnav,
.topbar-actions,
.hero-actions,
.filters,
.modal-actions,
.footer-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topnav a,
.ghost-button,
.button-link {
  color: var(--muted);
}

.user-badge {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  max-width: min(18rem, 52vw);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: rgba(10, 132, 255, 0.08);
  border: 1px solid rgba(10, 132, 255, 0.16);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hidden {
  display: none !important;
}

.topnav a {
  padding: 0.65rem 0.85rem;
  border-radius: 999px;
  transition: background 220ms ease, color 220ms ease, transform 220ms ease;
}

.topnav a:hover,
.topnav a:focus-visible,
.ghost-button:hover,
.button-link:hover {
  color: var(--text);
  background: rgba(15, 23, 32, 0.05);
}

.primary-button,
.ghost-button,
.filter-chip,
.payment-button {
  min-height: 3rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease,
    color 220ms ease,
    border-color 220ms ease;
}

.primary-button,
.payment-button {
  color: #ffffff;
  background: linear-gradient(135deg, var(--text), #24313f);
  box-shadow: 0 18px 30px rgba(15, 23, 32, 0.18);
}

.primary-button:hover,
.payment-button:hover,
.ghost-button:hover,
.filter-chip:hover,
.book-card:hover,
.feature-card:hover,
.pricing-card:hover,
.admin-panel:hover {
  transform: translateY(-2px);
}

.ghost-button,
.filter-chip {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 3rem;
  padding: 5.5rem 0 4rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
strong {
  letter-spacing: -0.04em;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3.25rem, 7vw, 6.3rem);
  line-height: 0.96;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3.5rem);
  line-height: 1.02;
}

h3 {
  margin: 0 0 0.8rem;
  font-size: 1.4rem;
}

.hero-text,
.section-heading p,
.feature-card p,
.price-copy,
.faq-list p,
.footer-copy,
.modal-copy,
.book-description,
.admin-panel p,
.book-card p {
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-text {
  max-width: 38rem;
  margin: 1.4rem 0 1.8rem;
  font-size: 1.14rem;
}

.hero-metrics,
.feature-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 1rem;
}

.status-banner {
  display: grid;
  gap: 1rem;
  padding: 1rem 1.1rem;
  margin: 1.3rem 0 0;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 32, 0.06);
  box-shadow: var(--shadow-md);
}

.status-banner-copy {
  display: grid;
  gap: 0.35rem;
}

.status-banner-copy span,
.form-note,
.reader-meta,
.empty-state p,
.admin-book-copy p {
  color: var(--muted);
}

.bank-transfer-copy,
.bank-transfer-note,
.transfer-request-note,
.transfer-request-grid span {
  color: var(--muted);
}

.status-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  background: rgba(15, 23, 32, 0.05);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
}

.status-pill.active,
.pill-featured {
  background: rgba(10, 132, 255, 0.12);
  color: var(--accent);
}

.pill-draft {
  background: rgba(15, 23, 32, 0.08);
  color: var(--muted);
}

.hero-metrics li,
.pricing-card,
.feature-card,
.book-card,
.admin-panel,
.faq-list details,
.bank-transfer-box,
.transfer-request-card {
  background: var(--panel);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md);
}

.hero-metrics li {
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius-md);
}

.hero-metrics span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
}

.bank-transfer-box,
.transfer-request-card {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
}

.bank-transfer-title {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 700;
}

.bank-transfer-grid,
.transfer-request-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin: 1rem 0;
}

.bank-transfer-detail,
.transfer-request-grid div {
  display: grid;
  gap: 0.2rem;
}

.bank-transfer-detail span,
.transfer-request-grid span {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.bank-transfer-detail strong,
.transfer-request-grid strong {
  font-size: 1rem;
  word-break: break-word;
}

.bank-transfer-detail-wide {
  grid-column: 1 / -1;
}

.bank-transfer-form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.bank-transfer-actions {
  justify-content: flex-start;
}

.bank-transfer-status-box {
  margin-top: 1rem;
}

.transfer-request-card {
  display: grid;
  gap: 1rem;
}

.transfer-request-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.device-shell {
  position: relative;
  justify-self: end;
  width: min(100%, 390px);
  padding: 0.9rem;
  border-radius: 3rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(239, 243, 247, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-lg);
  animation: floatShell 8s ease-in-out infinite;
}

.device-notch {
  width: 36%;
  height: 1.9rem;
  margin: 0 auto 0.6rem;
  border-radius: 0 0 1.2rem 1.2rem;
  background: #0f1720;
}

.device-screen {
  padding: 1.2rem;
  border-radius: 2.3rem;
  background: linear-gradient(180deg, #ffffff, #f2f5f8);
}

.device-status,
.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.device-status {
  color: var(--muted);
  font-size: 0.86rem;
}

.device-card,
.mini-book {
  border-radius: 1.6rem;
}

.device-card {
  margin: 1rem 0;
  padding: 1.4rem;
  background: linear-gradient(135deg, #0f1720, #1f2b38);
  color: #ffffff;
  box-shadow: 0 20px 40px rgba(15, 23, 32, 0.2);
}

.device-card h2 {
  margin: 0.5rem 0;
  font-size: 1.75rem;
}

.card-label {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.76rem;
}

.device-book-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.mini-book {
  padding: 1rem;
  background: #ffffff;
  border: 1px solid var(--line);
}

.mini-book strong,
.mini-book small {
  display: block;
}

.mini-book small {
  margin-top: 0.35rem;
  color: var(--muted);
}

.device-reader-line {
  height: 0.72rem;
  margin-top: 0.9rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(15, 23, 32, 0.09), rgba(15, 23, 32, 0.04));
}

.device-reader-line.short {
  width: 68%;
}

.section {
  padding: 3.5rem 0;
}

.section-tight {
  padding-top: 1.2rem;
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 2rem;
}

.filters {
  margin-bottom: 1.6rem;
  flex-wrap: wrap;
}

.filter-chip.active {
  background: var(--text);
  color: #ffffff;
  border-color: var(--text);
}

.book-grid,
.experience-grid,
.admin-grid {
  display: grid;
  gap: 1.25rem;
}

.book-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

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

.book-card,
.feature-card,
.pricing-card,
.admin-panel {
  position: relative;
  overflow: hidden;
  padding: 1.35rem;
  border-radius: var(--radius-lg);
}

.book-card::before,
.feature-card::before,
.pricing-card::before,
.admin-panel::before {
  content: "";
  position: absolute;
  inset: auto -30% -30% auto;
  width: 10rem;
  height: 10rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.14), transparent 70%);
}

.book-cover {
  min-height: 15rem;
  border-radius: calc(var(--radius-lg) - 0.35rem);
  background-size: cover;
  background-position: center;
  margin-bottom: 1rem;
}

.book-card h3 {
  margin-bottom: 0.45rem;
}

.book-card p {
  margin: 0 0 1rem;
}

.book-meta,
.book-actions,
.pill-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.pill-row {
  justify-content: flex-start;
  margin-bottom: 0.9rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.15rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pill-free {
  color: #08674f;
  background: rgba(8, 103, 79, 0.1);
}

.pill-paid {
  color: #8a3a16;
  background: rgba(255, 106, 61, 0.14);
}

.empty-state {
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 23, 32, 0.06);
  box-shadow: var(--shadow-md);
}

.feature-count {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 700;
}

.membership-layout,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 1.4rem;
  align-items: start;
}

.feature-list {
  margin-top: 1.4rem;
}

.feature-list li {
  padding-left: 1.1rem;
  position: relative;
  color: var(--muted);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: var(--accent);
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-list details {
  padding: 1.2rem 1.3rem;
  border-radius: var(--radius-md);
}

.faq-list summary {
  list-style: none;
  font-weight: 600;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 0.8rem 0 0;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0 3rem;
}

.modal {
  width: min(calc(100% - 1.5rem), 36rem);
  border: 0;
  padding: 0;
  background: transparent;
}

.modal::backdrop {
  background: rgba(15, 23, 32, 0.48);
  backdrop-filter: blur(10px);
}

.modal-wide {
  width: min(calc(100vw - 1.5rem), 64rem);
}

.modal-card {
  position: relative;
  padding: 1.5rem;
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-lg);
}

.modal-card label {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
  font-weight: 600;
}

.modal-card input {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid var(--line-strong);
  background: #ffffff;
  outline: none;
}

textarea,
select {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid var(--line-strong);
  background: #ffffff;
  outline: none;
}

textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.28rem rgba(10, 132, 255, 0.12);
}

.modal-card input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.28rem rgba(10, 132, 255, 0.12);
}

.modal-submit {
  width: 100%;
  margin-top: 1.25rem;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: rgba(15, 23, 32, 0.06);
  color: var(--text);
}

.book-modal-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 1.4rem;
}

.book-cover-large {
  min-height: 22rem;
  border-radius: 1.8rem;
  background-size: cover;
  background-position: center;
}

.admin-panel {
  min-height: 12rem;
}

.book-actions {
  margin-top: 1.1rem;
}

.meta-row,
.book-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.admin-shell,
.reader-shell {
  padding-top: 2rem;
}

.admin-entry-grid {
  align-items: stretch;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.dashboard-header.compact {
  margin-bottom: 0.8rem;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.stat-card,
.admin-library-card,
.reader-frame-card {
  padding: 1.35rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-md);
}

.stat-card span {
  display: block;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.stat-card strong {
  font-size: 2rem;
}

.dashboard-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 1.2rem;
  align-items: start;
}

.admin-form-card {
  position: sticky;
  top: 6.5rem;
}

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

.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.checkbox-row input {
  width: 1rem;
  min-height: auto;
}

.form-note {
  margin-top: 1rem;
  font-size: 0.94rem;
}

.upload-status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.pdf-dropzone {
  width: 100%;
  margin-top: 1rem;
  padding: 1.2rem;
  border-radius: 1.2rem;
  border: 1.5px dashed rgba(10, 132, 255, 0.45);
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.08), rgba(15, 23, 32, 0.03));
  color: var(--ink);
  text-align: left;
  display: grid;
  gap: 0.35rem;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.pdf-dropzone span {
  color: var(--muted);
  font-size: 0.95rem;
}

.pdf-dropzone.is-dragover {
  border-color: rgba(10, 132, 255, 0.9);
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.16), rgba(15, 23, 32, 0.06));
  transform: translateY(-2px);
}

.upload-status-card {
  min-height: 4.25rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(15, 23, 32, 0.08);
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 0.94rem;
  display: flex;
  align-items: center;
}

.asset-confirmation {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(10, 132, 255, 0.18);
  background: rgba(10, 132, 255, 0.06);
  font-size: 0.94rem;
  color: var(--ink);
  word-break: break-word;
}

.asset-confirmation strong {
  display: block;
  margin-bottom: 0.35rem;
}

.admin-asset-links {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.admin-asset-link {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  word-break: break-all;
}

.admin-library-list {
  display: grid;
  gap: 1rem;
}

.admin-book-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(15, 23, 32, 0.08);
}

.admin-book-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.admin-book-cover {
  min-height: 11rem;
  border-radius: 1.4rem;
  background-size: cover;
  background-position: center;
}

.admin-book-copy {
  min-width: 0;
}

.admin-book-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.danger-button {
  color: #9c2f20;
}

.reader-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 1.2rem;
  align-items: start;
  margin-bottom: 1.25rem;
}

.reader-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
}

.reader-access-card {
  display: grid;
  gap: 0.8rem;
}

.reader-frame {
  width: 100%;
  min-height: 78vh;
  border: 0;
  border-radius: 1.2rem;
  background: #ffffff;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes floatShell {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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

@media (max-width: 1080px) {
  .hero,
  .membership-layout,
  .faq-layout,
  .book-modal-layout,
  .dashboard-layout,
  .reader-hero {
    grid-template-columns: 1fr;
  }

  .device-shell {
    justify-self: start;
  }

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

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

  /* Admin: un-stick the form on smaller screens so it doesn't overlap */
  .admin-form-card {
    position: static;
  }
}

@media (max-width: 840px) {
  .topbar {
    padding: 1rem;
    border-radius: 2rem;
  }

  .topnav {
    display: none;
  }

  .experience-grid,
  .admin-grid,
  .book-grid {
    grid-template-columns: 1fr;
  }

  .form-grid,
  .upload-status-grid,
  .admin-book-item {
    grid-template-columns: 1fr;
  }

  /* Admin book cover: full width on single-column layout */
  .admin-book-cover {
    min-height: 14rem;
    width: 100%;
    border-radius: 1.2rem;
  }

  h1 {
    max-width: 11ch;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Dashboard header: stack vertically so buttons don't overflow */
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .dashboard-header .topbar-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  /* Admin form card: remove sticky so it doesn't overlap content */
  .admin-form-card {
    position: static;
  }
}

@media (max-width: 640px) {
  .topbar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .topbar-actions,
  .hero-actions,
  .filters,
  .book-actions,
  .modal-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    padding-top: 4rem;
  }

  .topbar,
  .section,
  .footer {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .modal-card {
    padding: 1.2rem;
  }

  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  /* Admin shell: reduce top padding on very small screens */
  .admin-shell {
    padding-top: 1rem;
  }

  /* Section heading: tighter on mobile */
  .section-heading {
    margin-bottom: 1.25rem;
  }

  /* Dashboard header actions: full width column stack */
  .dashboard-header .topbar-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .dashboard-header .topbar-actions .ghost-button,
  .dashboard-header .topbar-actions .primary-button {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* Admin form: reduce padding for tight screens */
  .pricing-card.admin-form-card {
    padding: 1rem;
  }

  /* Modal actions (Upload + Save buttons): stack vertically */
  .modal-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .modal-actions .ghost-button,
  .modal-actions .primary-button {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* Toggle row: stack checkboxes */
  .toggle-row {
    flex-direction: column;
    gap: 0.75rem;
  }

  /* Admin library card: less padding on small screens */
  .admin-library-card {
    padding: 1rem;
  }

  /* Admin book header: stack title + danger button */
  .admin-book-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  /* Stat card: smaller number on tiny screens */
  .stat-card strong {
    font-size: 1.6rem;
  }

  /* Inputs / textareas: ensure they don't overflow */
  input,
  textarea,
  select {
    max-width: 100%;
  }

  /* Membership layout: full width on mobile */
  .membership-layout {
    grid-template-columns: 1fr;
  }

  /* h1 on admin hero: scale down */
  h1 {
    font-size: clamp(2.2rem, 9vw, 3.5rem);
  }

  h2 {
    font-size: clamp(1.6rem, 6vw, 2.5rem);
  }
}