:root {
  --bg: #fff2ef;
  --bg-soft: #ffffff;
  --card: rgba(255, 255, 255, 0.88);
  --ink: #1d2140;
  --muted: #5f668b;
  --line: rgba(50, 62, 110, 0.12);
  --gold: #ffbf3c;
  --orange: #ff6b4a;
  --green: #20b66f;
  --green-soft: #e8fff3;
  --red-soft: #fff1f6;
  --teal: #12b8c8;
  --blue: #4d74ff;
  --pink: #ff4fa3;
  --navy: #22306f;
  --shadow: 0 24px 60px rgba(70, 57, 114, 0.16);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Nunito", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 111, 76, 0.34), transparent 28%),
    radial-gradient(circle at 82% 8%, rgba(77, 116, 255, 0.28), transparent 24%),
    radial-gradient(circle at 60% 42%, rgba(18, 184, 200, 0.18), transparent 26%),
    linear-gradient(180deg, #fff8f5 0%, #ffece4 100%);
}

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-copy,
.hero-panel,
.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.hero-copy {
  padding: 32px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(255, 244, 247, 0.9)),
    var(--card);
}

.eyebrow {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 79, 163, 0.12);
  color: #ad1d68;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Baloo 2", sans-serif;
  margin: 0;
  line-height: 1.05;
}

h1 {
  margin-top: 12px;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  color: var(--navy);
  text-shadow: 0 8px 20px rgba(77, 116, 255, 0.12);
}

.hero-text,
.section-title p,
.note,
.empty-state p,
.progress-header p,
.score-label {
  color: var(--muted);
}

.hero-text {
  max-width: 42rem;
  margin-top: 14px;
  font-size: 1.08rem;
  line-height: 1.6;
}

.hero-panel {
  padding: 24px;
  display: grid;
  gap: 14px;
  background:
    linear-gradient(160deg, rgba(77, 116, 255, 0.96), rgba(18, 184, 200, 0.96) 48%, rgba(255, 79, 163, 0.92)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent);
  color: white;
}

.hero-stat {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.stat-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.84rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.8;
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.input-card {
  width: min(100%, 860px);
  justify-self: center;
}

.results-card {
  width: 100%;
}

.card {
  padding: 26px;
}

.section-title {
  margin-bottom: 18px;
}

.section-title h2 {
  font-size: 2rem;
}

.field-label {
  display: block;
  margin: 16px 0 8px;
  font-weight: 800;
}

.text-input,
.essay-input {
  width: 100%;
  border: 2px solid rgba(77, 116, 255, 0.18);
  border-radius: 18px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.95);
  font: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.text-input:focus,
.essay-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 6px rgba(77, 116, 255, 0.08);
  transform: translateY(-1px);
}

.essay-input {
  min-height: 420px;
  resize: vertical;
  line-height: 1.55;
}

.hidden-textarea,
.hidden-file-input {
  display: none;
}

.upload-panel {
  margin-top: 16px;
  padding: 22px;
  border-radius: 22px;
  border: 2px dashed rgba(77, 116, 255, 0.28);
  background: linear-gradient(180deg, rgba(245, 248, 255, 0.98), rgba(255, 242, 248, 0.94));
}

.upload-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: white;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(77, 116, 255, 0.24);
}

.file-status,
.file-meta {
  margin: 12px 0 0;
  line-height: 1.5;
}

.file-status {
  color: var(--ink);
  font-weight: 700;
}

.file-meta {
  color: var(--muted);
}

.upload-alert {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 107, 74, 0.12), rgba(255, 79, 163, 0.12));
  border: 1px solid rgba(255, 107, 74, 0.22);
  color: #9f214e;
  font-weight: 700;
  line-height: 1.5;
}

.action-row {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

button {
  border: 0;
  border-radius: 16px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

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

.primary-button {
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--orange), var(--pink));
  color: white;
  box-shadow: 0 14px 28px rgba(255, 107, 74, 0.26);
}

.secondary-button,
.tips-toggle {
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(255, 191, 60, 0.24), rgba(255, 79, 163, 0.16));
  color: #7a2157;
}

.note {
  margin-top: 16px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.empty-state {
  min-height: 720px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 2px dashed rgba(77, 116, 255, 0.22);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(248, 250, 255, 0.94), rgba(255, 243, 247, 0.82));
}

.empty-illustration {
  font-size: 4rem;
}

.hidden {
  display: none;
}

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

.score-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 24px 28px;
  border-radius: 26px;
  background:
    linear-gradient(135deg, rgba(77, 116, 255, 0.18), rgba(18, 184, 200, 0.2), rgba(255, 79, 163, 0.18)),
    rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(77, 116, 255, 0.12);
}

.score-badge {
  min-width: 96px;
  height: 96px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffffff, #f4f7ff);
  color: var(--navy);
  font-weight: 800;
  box-shadow: inset 0 0 0 8px rgba(77, 116, 255, 0.16);
}

.score-badge span {
  font-size: 2rem;
  line-height: 1;
}

.reward-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.reward-box,
.feedback-card,
.reward-item,
.criterion,
.section-panel {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

.reward-box {
  padding: 18px;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 247, 255, 0.92));
}

.reward-icon {
  display: block;
  font-size: 1.8rem;
  margin-bottom: 6px;
}

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

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

.section-panel {
  padding: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 247, 255, 0.92));
  position: relative;
  overflow: hidden;
}

.section-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--blue), var(--teal), var(--pink), var(--gold));
}

.section-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.section-panel-label {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-mini-badge {
  min-width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 79, 163, 0.16), rgba(77, 116, 255, 0.18));
  color: var(--navy);
  font-weight: 800;
}

.section-sample {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.section-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 14px;
}

.section-column {
  padding: 14px;
  border-radius: 16px;
}

.section-column.success {
  background: var(--green-soft);
}

.section-column.attention {
  background: var(--red-soft);
}

.section-collapsible {
  margin: 0;
  overflow: hidden;
}

.section-collapsible-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: "Baloo 2", sans-serif;
  font-size: 1.15rem;
}

.section-collapsible-summary::-webkit-details-marker {
  display: none;
}

.section-collapsible-summary span {
  display: inline-flex;
  min-width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 107, 74, 0.16);
  color: #a53f3f;
  font-size: 0.95rem;
  font-weight: 800;
}

.section-collapsible-body {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255, 107, 74, 0.2);
}

.section-column h4 {
  margin: 0 0 8px;
  font-family: "Baloo 2", sans-serif;
  font-size: 1.2rem;
}

.section-column ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.5;
}

.section-rewards {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.panel-reward {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(77, 116, 255, 0.1);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid rgba(77, 116, 255, 0.14);
}

.panel-reward.muted {
  background: rgba(40, 50, 60, 0.08);
  color: var(--muted);
}

.feedback-card {
  padding: 18px;
}

.feedback-card.success {
  background: var(--green-soft);
}

.feedback-card.attention {
  background: var(--red-soft);
}

.feedback-card ul,
.tips-panel ul {
  margin: 12px 0 0;
  padding-left: 20px;
  line-height: 1.5;
}

.reward-list,
.criteria-list {
  display: grid;
  gap: 12px;
}

.reward-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
}

.reward-item-icon {
  font-size: 1.6rem;
}

.reward-item p,
.criterion p {
  margin: 6px 0 0;
  color: var(--muted);
}

.criterion-detail {
  font-size: 0.95rem;
}

.tips-panel {
  margin-top: 12px;
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 244, 213, 0.86), rgba(255, 232, 245, 0.82));
}

.criterion {
  padding: 14px 16px;
}

.criterion-accordion {
  padding: 0;
  overflow: hidden;
}

.criterion-summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(77, 116, 255, 0.08), rgba(18, 184, 200, 0.08));
}

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

.criterion-accordion-body {
  display: grid;
  gap: 10px;
  padding: 0 14px 14px;
  border-top: 1px solid rgba(40, 50, 60, 0.08);
}

.criterion-detail-card {
  padding: 12px 14px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 245, 248, 0.96), rgba(245, 249, 255, 0.92));
  border: 1px solid rgba(255, 79, 163, 0.12);
}

.criterion-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-weight: 800;
}

.criterion-bar {
  height: 10px;
  margin-top: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(77, 116, 255, 0.12);
}

.criterion-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--blue), var(--teal), var(--pink));
}

.criterion-bar-sub {
  background: rgba(255, 107, 74, 0.14);
}

.criterion-bar-sub .criterion-fill {
  background: linear-gradient(135deg, var(--orange), var(--gold), var(--green));
}

@media (max-width: 980px) {
  .hero,
  .app-grid,
  .feedback-grid,
  .section-panels {
    grid-template-columns: 1fr;
  }

  .empty-state {
    min-height: 260px;
  }
}

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

  .hero-copy,
  .hero-panel,
  .card {
    padding: 20px;
  }

  .reward-strip {
    grid-template-columns: 1fr;
  }

  .action-row {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button,
  .tips-toggle {
    width: 100%;
  }
}