:root {
  color-scheme: light;
  --ink: #202225;
  --muted: #68707d;
  --line: #d9dfe7;
  --field: #f7f9fb;
  --paper: #ffffff;
  --panel: #111820;
  --panel-soft: #1b2530;
  --panel-line: #334150;
  --accent: #0c7a75;
  --accent-strong: #075f5b;
  --amber: #b56a00;
  --blue: #215db8;
  --shadow: 0 22px 60px rgba(17, 24, 32, 0.14);
  --radius: 8px;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(12, 122, 117, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(33, 93, 184, 0.07) 1px, transparent 1px),
    #edf2f4;
  background-size: 34px 34px;
}

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

button,
select {
  cursor: pointer;
}

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 28px;
}

.workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: calc(100vh - 56px);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.control-panel {
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 28px;
  color: #f5f7fa;
  background: var(--panel);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid #74d0cb;
  background: #0c7a75;
  font-size: 22px;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.control-panel .eyebrow {
  color: #8bdad6;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 25px;
  line-height: 1.2;
}

h2 {
  margin-bottom: 14px;
  font-size: 18px;
  line-height: 1.3;
}

.panel-section {
  padding-top: 22px;
  border-top: 1px solid var(--panel-line);
}

.panel-section.compact p {
  margin: 8px 0 0;
  color: #c8d1dc;
}

.field-label {
  display: block;
  margin: 16px 0 8px;
  color: #c8d1dc;
  font-size: 13px;
  font-weight: 700;
}

select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  color: #f5f7fa;
  background: var(--panel-soft);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
}

.mission-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.mission-card p,
.mission-card strong {
  margin: 0;
}

.mission-card p {
  color: #ffffff;
  font-weight: 800;
}

.mission-card strong {
  color: #8bdad6;
  font-size: 14px;
}

.progress-track {
  height: 10px;
  overflow: hidden;
  background: var(--panel-soft);
  border: 1px solid var(--panel-line);
  border-radius: 999px;
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #8bdad6, #f3c969);
  transition: width 180ms ease;
}

.badge-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.badge-board span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 8px;
  color: #b9c4cf;
  border: 1px solid var(--panel-line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.badge-board span.unlocked {
  color: #111820;
  border-color: #f3c969;
  background: #f3c969;
}

.next-action {
  margin: 12px 0 0;
  color: #c8d1dc;
  line-height: 1.55;
}

.practice-stage {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.86);
}

.goal-card,
.goal-detail,
.prompt-lab,
.score-card,
.output-card,
.advanced-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
}

.goal-card {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px;
}

.goal-card h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.18;
}

.icon-button {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  color: var(--ink);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 23px;
}

.goal-detail {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1fr;
  gap: 1px;
  overflow: hidden;
  background: var(--line);
}

.goal-detail > div {
  padding: 18px;
  background: var(--paper);
}

.goal-detail p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  color: #ffffff;
  background: var(--ink);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.prompt-lab,
.score-card,
.output-card,
.advanced-panel {
  padding: 22px;
}

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

.section-heading h2 {
  margin: 0;
}

.compact-heading {
  align-items: flex-start;
}

.prompt-builder {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 8px;
  padding: 18px;
  min-height: 164px;
  background: var(--field);
  border: 1px dashed #aeb8c4;
  border-radius: var(--radius);
  line-height: 2.35;
}

.prompt-text {
  font-size: 18px;
}

.blank-input {
  width: min(260px, 100%);
  min-height: 42px;
  padding: 0 12px;
  border: 2px solid #aeb8c4;
  border-radius: var(--radius);
  background: #ffffff;
}

.blank-input:focus {
  outline: 3px solid rgba(12, 122, 117, 0.18);
  border-color: var(--accent);
}

.secondary-button,
.primary-button {
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--radius);
  font-weight: 800;
}

.secondary-button {
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
}

.primary-button {
  color: #ffffff;
  background: var(--accent);
  border: 1px solid var(--accent-strong);
}

.hint-text {
  margin: 14px 0 0;
  color: var(--amber);
  line-height: 1.55;
}

.review-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(360px, 1.15fr);
  gap: 18px;
}

#scoreValue {
  color: var(--accent-strong);
  font-size: 28px;
}

.checklist {
  display: grid;
  gap: 10px;
}

.check-item {
  display: grid;
  grid-template-columns: 26px 1fr 48px;
  gap: 10px;
  align-items: center;
  min-height: 52px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
}

.check-state {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: #ffffff;
  background: #8b96a3;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.check-item.done .check-state {
  background: var(--accent);
}

.check-item h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.check-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

textarea {
  width: 100%;
  min-height: 238px;
  resize: vertical;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
  line-height: 1.75;
}

.copy-guide {
  margin: 12px 0 0;
  color: var(--blue);
  font-size: 14px;
  line-height: 1.55;
}

.sample-box {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.sample-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.sample-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

#samplePrompt {
  min-height: 190px;
  background: #fffdf7;
  border-color: #e5cf91;
}

.advanced-tasks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.task-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
}

.task-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.task-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.task-card textarea {
  min-height: 132px;
  margin-top: 12px;
  background: #ffffff;
}

@media (max-width: 980px) {
  .app-shell {
    padding: 14px;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .control-panel {
    padding: 22px;
  }

  .practice-stage {
    padding: 18px;
  }

  .review-grid,
  .goal-detail,
  .advanced-tasks {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .goal-card,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .prompt-builder {
    align-items: stretch;
  }

  .blank-input {
    width: 100%;
  }
}