/* 면접 시뮬레이터 — Vercel DESIGN.md 토큰 기반 (흑백 잉크 + 헤어라인 + 3색 그라디언트) */

:root {
  --ink: #171717;
  --body: #4d4d4d;
  --mute: #888888;
  --hairline: #ebebeb;
  --hairline-strong: #a1a1a1;
  --canvas: #ffffff;
  --canvas-soft: #fafafa;
  --canvas-soft-2: #f5f5f5;
  --link: #0070f3;
  --error: #ee0000;
  --error-soft: #f7d4d6;
  --warning: #f5a623;
  --violet: #7928ca;
  --pink: #ff0080;

  /* develop / preview / ship — 기술 / 인성 / 압박 단계에 매핑 */
  --grad-tech: linear-gradient(90deg, #007cf0, #00dfd8);
  --grad-personality: linear-gradient(90deg, #7928ca, #ff0080);
  --grad-pressure: linear-gradient(90deg, #ff4d4d, #f9cb28);

  --sans: "Geist", "Inter", "Noto Sans KR", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --card-shadow: 0px 1px 1px #00000005, 0px 2px 2px #0000000a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas-soft);
  color: var(--body);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

/* --- 상단 내비게이션 --- */
.top-nav {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
}
.brand {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--ink);
}
.brand-mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--ink);
  position: relative;
  margin-right: 8px;
  vertical-align: -1px;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: #ffffff;
}
.brand-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 1px;
}

.screen { max-width: 1080px; margin: 0 auto; padding: 48px 24px; }

/* --- ① 설정 화면 --- */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  padding-top: 16px;
}
.hero-copy h1 {
  font-size: 52px;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -2.4px;
  color: var(--ink);
  margin: 16px 0 20px;
}
.grad-text {
  background: var(--grad-tech);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { font-size: 17px; line-height: 1.6; color: var(--body); margin-bottom: 28px; }

.mono-badge {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--body);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  padding: 4px 12px;
}

.hero-points { list-style: none; padding: 0; margin: 0; }
.hero-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
  color: var(--mute);
  font-size: 14px;
  letter-spacing: -0.28px;
}
.hero-points strong { color: var(--ink); font-weight: 500; margin-right: 4px; white-space: nowrap; }
.point-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot-tech { background: linear-gradient(135deg, #007cf0, #00dfd8); }
.dot-personality { background: linear-gradient(135deg, #7928ca, #ff0080); }
.dot-pressure { background: linear-gradient(135deg, #ff4d4d, #f9cb28); }

.setup-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--card-shadow);
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.card-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.96px;
  color: var(--ink);
  margin: 0;
}
.field-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.26px;
  margin: 18px 0 8px;
}

.resume-tabs { display: flex; gap: 6px; margin-bottom: 8px; }
.tab {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--mute);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 100px;
  padding: 6px 14px;
  cursor: pointer;
}
.tab.active {
  background: var(--canvas);
  color: var(--ink);
  border-color: var(--hairline-strong);
}

.dropzone {
  background: var(--canvas-soft);
  border: 1px dashed var(--hairline-strong);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
}
.dropzone.dragover { border-color: var(--link); background: #f0f7ff; }
.dropzone-main { margin: 0; color: var(--body); font-size: 14px; }
.dropzone-sub { margin: 8px 0 0; color: var(--mute); font-size: 12px; }
.file-name {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--link);
}

.text-area {
  width: 100%;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 10px 12px;
  resize: vertical;
}
.text-area:focus,
.answer-bar textarea:focus {
  outline: none;
  border-color: var(--hairline-strong);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.06);
}

.mode-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mode-option input { display: none; }
.mode-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
}
.mode-card strong { font-size: 14px; font-weight: 500; color: var(--ink); }
.mode-card em { font-style: normal; font-size: 12px; color: var(--mute); }
.mode-option input:checked + .mode-card {
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

.button-primary {
  width: 100%;
  margin-top: 24px;
  background: var(--ink);
  color: #ffffff;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--ink);
  border-radius: 100px;
  padding: 12px 20px;
  height: 44px;
  cursor: pointer;
  transition: background 0.15s;
}
.button-primary:hover { background: #383838; }
.button-primary:disabled {
  background: var(--canvas-soft-2);
  border-color: var(--hairline);
  color: var(--mute);
  cursor: wait;
}

.button-secondary {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--hairline-strong);
  border-radius: 100px;
  padding: 10px 20px;
  cursor: pointer;
}
.button-ghost {
  background: transparent;
  color: var(--mute);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--hairline);
  border-radius: 100px;
  padding: 5px 12px;
  cursor: pointer;
}
.button-ghost:hover { color: var(--ink); border-color: var(--hairline-strong); }

.status-line { margin: 12px 0 0; font-size: 13px; color: var(--mute); text-align: center; }
.status-line.error { color: var(--error); }

/* --- ② 면접 화면 --- */
.interview-shell {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 64px - 96px - 54px);
  min-height: 480px;
}
.stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}
.header-right { display: flex; align-items: center; gap: 12px; }
.stage-steps { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; }
.stage-steps li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.26px;
  color: var(--mute);
}
.step-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--hairline); }
.stage-steps li.active { color: var(--ink); }
.stage-steps li[data-stage="tech"].active .step-dot { background: linear-gradient(135deg, #007cf0, #00dfd8); }
.stage-steps li[data-stage="personality"].active .step-dot { background: linear-gradient(135deg, #7928ca, #ff0080); }
.stage-steps li[data-stage="pressure"].active .step-dot { background: linear-gradient(135deg, #ff4d4d, #f9cb28); }
.stage-steps li.done { color: var(--body); }
.stage-steps li.done .step-dot { background: var(--ink); }
.question-counter {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}

.chat-log { flex: 1; overflow-y: auto; padding: 24px 0; }
.msg { max-width: 72%; margin-bottom: 18px; }
.msg-interviewer { margin-right: auto; }
.msg-user { margin-left: auto; }

.msg-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}
.persona-badge {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: #ffffff;
  border-radius: 9999px;
  padding: 2px 10px;
}
.persona-tech { background: linear-gradient(90deg, #007cf0, #00b7c2); }
.persona-personality { background: linear-gradient(90deg, #7928ca, #d6246e); }
.persona-pressure { background: linear-gradient(90deg, #e04444, #d49016); }
.followup-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  background: var(--canvas-soft-2);
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  padding: 1px 9px;
}

.bubble {
  border-radius: 8px;
  padding: 13px 16px;
  font-size: 15px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}
.msg-interviewer .bubble {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  box-shadow: var(--card-shadow);
  color: var(--ink);
}
.msg-user .bubble {
  background: var(--ink);
  color: #ffffff;
}

/* RAG 근거 토글 */
.evidence {
  margin-top: 6px;
  font-size: 12px;
  color: var(--mute);
}
.evidence summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--mute);
  user-select: none;
}
.evidence summary:hover { color: var(--ink); }
.evidence blockquote {
  margin: 6px 0 0;
  padding: 8px 12px;
  background: var(--canvas-soft-2);
  border-left: 2px solid var(--hairline-strong);
  border-radius: 0 6px 6px 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--body);
}

.feedback-chip {
  margin-top: 6px;
  font-size: 12px;
  color: var(--mute);
  text-align: right;
}
.feedback-chip .score-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  padding: 1px 8px;
  margin-left: 6px;
  font-weight: 500;
  color: var(--ink);
}

.stage-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0;
  color: var(--mute);
}
.stage-divider::before,
.stage-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}
.stage-divider span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.typing { display: inline-flex; gap: 4px; padding: 13px 16px; }
.typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hairline-strong);
  animation: blink 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 1; } }

.answer-bar {
  display: flex;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
}
.answer-bar textarea {
  flex: 1;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 10px 12px;
  resize: none;
}
.answer-bar .button-primary { width: 92px; margin-top: 0; height: auto; }

/* --- ③ 리포트 화면 --- */
.report-shell { max-width: 720px; margin: 0 auto; }
.score-card {
  background: var(--ink);
  color: #ffffff;
  border-radius: 12px;
  padding: 44px 32px;
  text-align: center;
  margin-bottom: 20px;
}
.score-label, .closing-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: #a1a1a1;
}
.score-number {
  font-size: 84px;
  font-weight: 600;
  letter-spacing: -4px;
  line-height: 1.05;
  margin: 6px 0 0;
  background: linear-gradient(90deg, #007cf0, #00dfd8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.score-unit { margin: 2px 0 0; font-family: var(--mono); color: #a1a1a1; font-size: 13px; }

.stage-score-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 14px;
  box-shadow: var(--card-shadow);
}
.stage-score-row {
  display: grid;
  grid-template-columns: 44px 1fr 64px;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
}
.stage-score-label { font-size: 13px; font-weight: 500; color: var(--ink); }
.stage-score-track {
  height: 8px;
  border-radius: 9999px;
  background: var(--canvas-soft-2);
  overflow: hidden;
}
.stage-score-fill { height: 100%; border-radius: 9999px; }
.fill-tech { background: var(--grad-tech); }
.fill-personality { background: var(--grad-personality); }
.fill-pressure { background: var(--grad-pressure); }
.stage-score-value {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  text-align: right;
}

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

.sw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 28px; }
.sw-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--card-shadow);
}
.sw-card h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.6px;
  color: var(--ink);
  margin: 0 0 12px;
}
.sw-card ul { margin: 0; padding-left: 18px; }
.sw-card li { margin-bottom: 8px; font-size: 14px; letter-spacing: -0.28px; }

.report-section-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.88px;
  color: var(--ink);
  margin: 32px 0 14px;
}
#report-feedback details {
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--canvas);
  margin-bottom: 8px;
  padding: 0 16px;
  box-shadow: var(--card-shadow);
}
#report-feedback summary {
  cursor: pointer;
  padding: 13px 0;
  font-weight: 500;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: -0.28px;
}
#report-feedback .fb-body { padding: 0 0 14px; font-size: 13px; color: var(--body); }
#report-feedback .fb-body p { margin: 6px 0; }
#report-feedback .fb-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--mute);
}

.expected-list { padding-left: 20px; }
.expected-list li { margin-bottom: 10px; font-size: 15px; color: var(--ink); letter-spacing: -0.3px; }

.closing-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--ink);
  border-radius: 8px;
  padding: 24px 28px;
  margin: 28px 0 20px;
  box-shadow: var(--card-shadow);
}
.closing-card p:last-child {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}

/* --- 공통 --- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--canvas);
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 14px;
  max-width: 480px;
  box-shadow: 0px 4px 8px #00000014, 0px 8px 16px #0000000a;
}
.toast.error { border-color: var(--error); color: var(--error); background: #fff5f5; }

.page-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  color: var(--mute);
  font-size: 13px;
  text-align: center;
  padding: 24px;
  margin-top: 48px;
}

/* 리포트 인쇄/PDF 저장 */
@media print {
  .top-nav, .page-footer, .report-actions, .toast { display: none !important; }
  body { background: #ffffff; }
  .screen { padding: 0; }
  .score-card { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  #report-feedback details { break-inside: avoid; }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 36px; letter-spacing: -1.4px; }
  .sw-grid { grid-template-columns: 1fr; }
  .msg { max-width: 90%; }
  .screen { padding: 24px 16px; }
}