:root {
  --bg: #eef3f7;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --text: #23313f;
  --muted: #607284;
  --blue: #7ea8d7;
  --blue-deep: #5f89bb;
  --red: #d97d83;
  --green: #7fbc9a;
  --border: rgba(126, 168, 215, 0.18);
  --shadow: 0 20px 45px rgba(85, 119, 150, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(126, 168, 215, 0.25), transparent 30%),
    radial-gradient(circle at bottom right, rgba(127, 188, 154, 0.22), transparent 30%),
    linear-gradient(180deg, #f4f7fa 0%, #e7edf3 100%);
}

.page-shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.site-footer {
  margin-top: 28px;
  text-align: center;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.top-nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.brand-mark {
  color: var(--text);
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(95, 137, 187, 0.12);
  font-weight: 700;
}

.nav-link.active {
  color: white;
  background: var(--blue-deep);
}

.auth-slot {
  display: flex;
  align-items: center;
}

.auth-link,
.auth-link:visited {
  text-decoration: none;
  color: white;
  background: var(--blue-deep);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  box-shadow: 0 12px 22px rgba(95, 137, 187, 0.18);
}

.auth-link-muted,
.auth-link-muted:visited {
  background: rgba(255, 255, 255, 0.75);
  color: var(--text);
  box-shadow: none;
  border: 1px solid rgba(95, 137, 187, 0.14);
}

.auth-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(95, 137, 187, 0.12);
}

.auth-link-account,
.auth-link-account:visited {
  background: transparent;
  color: var(--muted);
  box-shadow: none;
  padding: 0;
}

.auth-logout {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(217, 125, 131, 0.16);
  color: #9d3742;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero h1,
.panel h2 {
  margin: 0;
  line-height: 1.05;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  max-width: 11ch;
}

.hero-copy-block {
  display: grid;
  align-content: start;
  gap: 0;
}

.hero-copy {
  max-width: 56ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-top: 16px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(95, 137, 187, 0.12);
  color: var(--blue-deep);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-note-card {
  margin-top: 20px;
  max-width: 540px;
  padding: 18px 20px;
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(235, 242, 247, 0.82));
  border: 1px solid rgba(95, 137, 187, 0.12);
  box-shadow: 0 14px 30px rgba(85, 119, 150, 0.08);
}

.hero-note-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.hero-note-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--blue-deep);
  font-weight: 800;
}

.hero-card,
.panel {
  background: var(--surface);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.95), rgba(233, 241, 248, 0.78)),
    linear-gradient(180deg, rgba(127, 188, 154, 0.12), rgba(217, 125, 131, 0.08));
}

.hero-card p,
.hero-card span {
  margin: 0;
  color: var(--muted);
}

.hero-card strong {
  font-size: 1.2rem;
}

.dashboard {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

.goals-panel,
.essay-layout,
.study-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
  align-items: start;
}

.goals-copy h2 {
  margin: 0;
  line-height: 1.1;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  max-width: 14ch;
}

.goal-card,
.essay-output {
  background: var(--surface);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.hero-goal-card {
  align-self: stretch;
}

.hero-card-label {
  margin: 0 0 16px;
  color: var(--blue-deep);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.goal-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.goal-summary strong {
  font-size: 1.1rem;
}

.goal-summary span,
.goal-label {
  color: var(--muted);
}

.progress-track {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(95, 137, 187, 0.12);
  overflow: hidden;
  margin-bottom: 18px;
}

.progress-bar {
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-deep), var(--green));
  transition: width 0.3s ease;
}

.goal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.goal-item,
.essay-block {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(95, 137, 187, 0.12);
  border-radius: 20px;
  padding: 16px;
}

.goal-item strong {
  display: block;
  margin-top: 8px;
  font-size: 1.35rem;
}

.essay-cta-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.essay-cta-card h3 {
  margin: 0 0 12px;
  font-size: 1.6rem;
}

.essay-cta-copy {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
}

.tool-link-grid {
  display: grid;
  gap: 12px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.trust-card {
  padding: 22px;
  border-radius: 24px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.9), rgba(239, 244, 248, 0.8));
  border: 1px solid rgba(95, 137, 187, 0.12);
  box-shadow: 0 16px 32px rgba(85, 119, 150, 0.08);
}

.trust-card h3 {
  margin: 0 0 12px;
  line-height: 1.15;
  font-size: 1.3rem;
}

.trust-card p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.membership-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.membership-card {
  position: relative;
  padding: 28px;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.membership-card h2 {
  margin: 0 0 14px;
  line-height: 1.08;
}

.membership-card-free {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(236, 242, 247, 0.82));
}

.membership-card-pro {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(231, 241, 249, 0.84)),
    linear-gradient(180deg, rgba(127, 188, 154, 0.08), rgba(126, 168, 215, 0.08));
}

.membership-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(127, 188, 154, 0.18);
  color: #2d6a49;
  font-size: 0.82rem;
  font-weight: 800;
}

.membership-price {
  margin: 0 0 12px;
  font-size: clamp(2.3rem, 4vw, 3.3rem);
  font-weight: 800;
  line-height: 1;
}

.membership-price span {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 700;
  margin-left: 6px;
}

.membership-copy {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
}

.membership-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.membership-list li + li {
  margin-top: 4px;
}

.membership-note {
  margin-bottom: 24px;
}

.access-shell {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.access-panel {
  width: min(720px, 100%);
  text-align: center;
  padding: 34px;
}

.access-panel h1 {
  margin: 0 0 18px;
  line-height: 1.08;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.access-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.study-help-card {
  margin-top: 18px;
  max-width: 520px;
}

.auth-panel,
.auth-status-panel {
  height: 100%;
}

.account-panel {
  margin-bottom: 24px;
}

.account-copy {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.65;
}

.account-summary {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
  padding: 16px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(95, 137, 187, 0.1);
}

.account-summary-label {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
}

.account-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.auth-message {
  margin: 0;
  padding: 14px 16px;
  border-radius: 18px;
  line-height: 1.7;
  background: rgba(126, 168, 215, 0.14);
  color: var(--blue-deep);
  font-weight: 700;
}

.auth-message-success {
  background: rgba(127, 188, 154, 0.18);
  color: #2d6a49;
}

.auth-message-warning {
  background: rgba(217, 125, 131, 0.14);
  color: #9d3742;
}

.study-set-summary {
  margin-top: 18px;
}

.study-left-column,
.study-right-column {
  display: grid;
  gap: 24px;
  align-content: start;
}

.brain-timer-panel {
  margin-bottom: 24px;
}

.brain-timer-display {
  margin-bottom: 18px;
}

.brain-timer-presets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.brain-timer-controls {
  margin-top: 0;
}

.brain-preset-btn {
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  border: 1px solid rgba(95, 137, 187, 0.18);
  box-shadow: none;
}

#brain-start {
  background: var(--green);
  box-shadow: 0 14px 24px rgba(127, 188, 154, 0.24);
}

#brain-pause {
  background: var(--blue-deep);
  color: white;
  border-color: transparent;
  box-shadow: 0 14px 24px rgba(95, 137, 187, 0.22);
}

#brain-reset {
  background: var(--red);
  color: white;
  border-color: transparent;
  box-shadow: 0 14px 24px rgba(217, 125, 131, 0.22);
}

.brain-notes {
  width: 100%;
  min-height: 420px;
  border: 1px solid rgba(95, 137, 187, 0.18);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 20px;
  padding: 18px 20px;
  font: inherit;
  color: var(--text);
  line-height: 1.7;
  resize: vertical;
  outline: none;
}

.brain-notes:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(126, 168, 215, 0.16);
}

.canvas-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 14px;
}

.brain-canvas {
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(95, 137, 187, 0.14);
  border-radius: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
  touch-action: none;
}

.ai-notes {
  min-height: 340px;
}

.brain-structure-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.brain-structure-status {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 700;
}

.brain-structure-status-info {
  background: rgba(126, 168, 215, 0.14);
  color: var(--blue-deep);
}

.brain-structure-status-success {
  background: rgba(127, 188, 154, 0.18);
  color: #2d6a49;
}

.brain-structure-status-warning {
  background: rgba(217, 125, 131, 0.14);
  color: #9d3742;
}

.brain-structure-output {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.brain-paragraph-item + .brain-paragraph-item {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(95, 137, 187, 0.12);
}

.brain-paragraph-item strong {
  display: block;
  margin-bottom: 8px;
}

.brain-paragraph-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.brain-bullet-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.7;
}

.brain-bullet-list li + li {
  margin-top: 8px;
}

.brain-saved-list {
  display: grid;
  gap: 14px;
}

.brain-saved-item {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(95, 137, 187, 0.12);
}

.brain-saved-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.brain-saved-top span,
.brain-saved-summary,
.brain-saved-empty {
  color: var(--muted);
}

.brain-saved-summary {
  margin: 0;
  line-height: 1.65;
}

.log-list,
.stats-grid {
  display: grid;
  gap: 16px;
}

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

.log-item {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(95, 137, 187, 0.12);
  border-radius: 20px;
  padding: 16px;
}

.log-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.log-top strong {
  display: block;
  margin-bottom: 4px;
}

.log-top span,
.log-meta,
.log-note {
  color: var(--muted);
}

.log-meta,
.log-note {
  margin: 10px 0 0;
  line-height: 1.6;
}

.study-generator-status {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 700;
}

.study-generator-status-info {
  background: rgba(126, 168, 215, 0.14);
  color: var(--blue-deep);
}

.study-generator-status-success {
  background: rgba(127, 188, 154, 0.18);
  color: #2d6a49;
}

.study-generator-status-warning {
  background: rgba(217, 125, 131, 0.14);
  color: #9d3742;
}

.panel {
  padding: 24px;
}

.panel-heading {
  margin-bottom: 20px;
}

.task-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.task-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
}

.task-form label:last-of-type {
  grid-column: span 2;
}

input {
  width: 100%;
  border: 1px solid rgba(95, 137, 187, 0.18);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(126, 168, 215, 0.16);
}

button {
  border: 0;
  border-radius: 16px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease,
    filter 0.18s ease;
}

button:hover {
  transform: translateY(-2px);
  filter: brightness(1.02);
}

.primary-btn {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  color: white;
  box-shadow: 0 14px 24px rgba(95, 137, 187, 0.24);
}

.secondary-btn,
.preset-btn {
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  border: 1px solid rgba(95, 137, 187, 0.18);
}

#start-timer {
  background: var(--green);
  box-shadow: 0 14px 24px rgba(127, 188, 154, 0.24);
}

#pause-timer {
  background: var(--blue-deep);
  color: white;
  border-color: transparent;
  box-shadow: 0 14px 24px rgba(95, 137, 187, 0.22);
}

#reset-timer {
  background: var(--red);
  color: white;
  border-color: transparent;
  box-shadow: 0 14px 24px rgba(217, 125, 131, 0.22);
}

.task-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.task-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-radius: 20px;
  background: var(--surface-strong);
  border: 1px solid rgba(95, 137, 187, 0.12);
}

.task-item.completed {
  opacity: 0.72;
}

.task-item.completed.just-completed {
  animation: taskCompletePop 0.45s ease;
}

.task-item.completed .task-title {
  text-decoration: line-through;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--red);
  box-shadow: 0 0 0 7px rgba(217, 125, 131, 0.12);
}

.task-item.completed .status-dot {
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(127, 188, 154, 0.16);
}

.task-title {
  display: block;
  font-weight: 800;
  margin-bottom: 4px;
}

.task-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.task-actions {
  display: flex;
  gap: 10px;
}

.task-actions button {
  padding: 10px 14px;
}

.complete-btn {
  background: rgba(127, 188, 154, 0.18);
  color: #2d6a49;
}

.delete-btn {
  background: rgba(217, 125, 131, 0.16);
  color: #9d3742;
}

.timer-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.timer-display {
  padding: 28px 22px;
  border-radius: 24px;
  background:
    linear-gradient(160deg, rgba(126, 168, 215, 0.16), rgba(127, 188, 154, 0.12)),
    rgba(255, 255, 255, 0.82);
  text-align: center;
}

.timer-display span {
  display: block;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 12px;
}

.timer-display strong {
  font-size: clamp(3rem, 9vw, 5rem);
  line-height: 1;
}

.timer-controls,
.preset-row {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.timer-controls {
  grid-template-columns: repeat(3, 1fr);
}

.preset-row {
  grid-template-columns: repeat(3, 1fr);
}

.timer-note {
  color: var(--muted);
  line-height: 1.7;
  margin: 18px 0 0;
}

.timer-message {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(127, 188, 154, 0.18);
  color: #2d6a49;
  font-weight: 700;
}

.essay-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(95, 137, 187, 0.18);
  color: var(--text);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease,
    filter 0.18s ease;
}

.essay-link:hover {
  transform: translateY(-2px);
  filter: brightness(1.02);
}

.essay-link-large {
  align-self: flex-start;
  background: var(--blue-deep);
  color: white;
  border-color: transparent;
  box-shadow: 0 14px 24px rgba(95, 137, 187, 0.22);
}

.essay-link-secondary {
  background: var(--green);
  box-shadow: 0 14px 24px rgba(127, 188, 154, 0.22);
}

.essay-link-soft {
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid rgba(95, 137, 187, 0.18);
  box-shadow: none;
}

.essay-link-tertiary {
  background: var(--red);
  color: white;
  border-color: transparent;
  box-shadow: 0 14px 24px rgba(217, 125, 131, 0.22);
}

@keyframes taskCompletePop {
  0% {
    transform: scale(0.98);
    box-shadow: 0 0 0 rgba(127, 188, 154, 0);
  }
  55% {
    transform: scale(1.015);
    box-shadow: 0 16px 28px rgba(127, 188, 154, 0.18);
  }
  100% {
    transform: scale(1);
    box-shadow: none;
  }
}

.flashcard-list {
  display: grid;
  gap: 16px;
}

.flashcard-item {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(95, 137, 187, 0.12);
  border-radius: 20px;
  padding: 16px;
}

.flashcard-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.flashcard-subject {
  color: var(--blue-deep);
  font-weight: 800;
}

.flashcard-face {
  width: 100%;
  background: linear-gradient(160deg, rgba(126, 168, 215, 0.14), rgba(255, 255, 255, 0.92));
  border: 1px solid rgba(95, 137, 187, 0.14);
  color: var(--text);
  border-radius: 18px;
  padding: 18px;
}

.flashcard-face strong {
  display: block;
  font-size: 1.1rem;
}

.flashcard-toggle {
  margin-top: 16px;
}

.flashcard-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.flashcard-back {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(95, 137, 187, 0.12);
  color: var(--muted);
  line-height: 1.6;
}

.flashcard-back p {
  margin: 0;
}

.quiz-panel {
  display: grid;
  gap: 18px;
}

.quiz-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-weight: 700;
}

.quiz-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(95, 137, 187, 0.12);
  border-radius: 24px;
  padding: 24px;
}

.quiz-card h3 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.quiz-answer {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.7;
  padding-top: 16px;
  border-top: 1px solid rgba(95, 137, 187, 0.14);
}

.quiz-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.quiz-answer-label {
  display: block;
  margin: 20px 0 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.quiz-input {
  width: 100%;
  resize: vertical;
  min-height: 120px;
  border: 1px solid rgba(95, 137, 187, 0.18);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  outline: none;
}

.quiz-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(126, 168, 215, 0.16);
}

.quiz-feedback {
  margin: 14px 0 0;
  color: var(--blue-deep);
  font-weight: 700;
}

.hidden {
  display: none;
}

.essay-hero h1 {
  max-width: 10ch;
}

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

.essay-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.essay-action-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.essay-tier-note {
  margin: -2px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.essay-output {
  display: grid;
  gap: 14px;
}

.essay-output-panel {
  height: 100%;
}

.essay-block h3 {
  margin: 0 0 10px;
}

.essay-block p {
  margin: 0 0 10px;
  line-height: 1.6;
  color: var(--muted);
}

.essay-block p:last-child {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .hero,
  .dashboard,
  .goals-panel,
  .essay-layout,
  .study-layout,
  .trust-strip,
  .membership-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1100px);
    padding-top: 20px;
  }

  .panel,
  .hero-card {
    padding: 18px;
    border-radius: 22px;
  }

  .task-form,
  .timer-controls,
  .preset-row,
  .brain-timer-presets,
  .goal-grid,
  .goal-summary,
  .quiz-controls,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .top-nav,
  .goal-summary {
    align-items: flex-start;
  }

  .task-form label:last-of-type {
    grid-column: auto;
  }

  .task-item {
    grid-template-columns: 1fr;
  }

  .task-actions {
    justify-content: stretch;
  }

  .task-actions button {
    flex: 1;
  }
}