/* ============================================================
   iReading.AI Mockup — Design System
   Tauri v2 + i18next 호환 / 의존성 없는 순수 CSS
   ============================================================ */

:root {
  /* Brand palette */
  --c-bg: #0b0f1a;
  --c-bg-2: #111827;
  --c-surface: rgba(255, 255, 255, 0.04);
  --c-surface-2: rgba(255, 255, 255, 0.07);
  --c-border: rgba(255, 255, 255, 0.10);
  --c-text: #e7ecf3;
  --c-text-dim: #9aa3b2;
  --c-text-mute: #6b7280;

  --c-primary: #6c8cff;
  --c-primary-2: #4f6cff;
  --c-accent: #22d3ee;
  --c-success: #34d399;
  --c-warning: #fbbf24;
  --c-danger: #f87171;

  /* 11요소 컬러 코딩 (특허 알고리즘) */
  --e-subject:  #ff7a59;   /* 주체 */
  --e-action:   #ffb84c;   /* 동태 */
  --e-purpose:  #ffd166;   /* 목적 */
  --e-intent:   #c0eb6a;   /* 의향 */
  --e-method:   #34d399;   /* 방법 */
  --e-criteria: #22d3ee;   /* 기준 */
  --e-degree:   #60a5fa;   /* 정도 */
  --e-reason:   #818cf8;   /* 이유 */
  --e-time:     #c084fc;   /* 시간 */
  --e-place:    #f472b6;   /* 장소 */
  --e-compare:  #fb7185;   /* 비교 */

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-1: 0 6px 24px rgba(0,0,0,.25);
  --shadow-2: 0 18px 60px rgba(0,0,0,.35);

  --max-w: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont,
               'Apple SD Gothic Neo', 'Noto Sans KR', 'Noto Sans JP',
               'Noto Sans SC', system-ui, sans-serif;
  color: var(--c-text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(108,140,255,.25), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(34,211,238,.18), transparent 60%),
    linear-gradient(180deg, #0a0e18 0%, #0b0f1a 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { max-width: 100%; }

/* ===== Layout ===== */
.app { min-height: 100vh; display: flex; flex-direction: column; }
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ===== Top Bar ===== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 15, 26, 0.65);
  border-bottom: 1px solid var(--c-border);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; user-select: none;
}
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: grid; place-items: center;
  font-weight: 800; color: #fff;
  box-shadow: 0 6px 20px rgba(108,140,255,.4);
}
.logo-text { font-weight: 800; letter-spacing: .2px; }
.logo-text small { display: block; font-weight: 500; color: var(--c-text-dim); font-size: 11px; }

.nav {
  display: flex; align-items: center; gap: 4px;
}
.nav a {
  padding: 8px 12px; border-radius: 10px; color: var(--c-text-dim); font-size: 14px;
  transition: .15s;
}
.nav a:hover, .nav a.active { color: var(--c-text); background: var(--c-surface); }

.topbar-right { display: flex; align-items: center; gap: 10px; }

/* Lang dropdown */
.lang-dd { position: relative; }
.lang-current {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 12px;
  background: var(--c-surface); border: 1px solid var(--c-border);
  color: var(--c-text); cursor: pointer; font-weight: 600;
  font-family: inherit; font-size: 13px;
  transition: .15s;
}
.lang-current:hover { background: var(--c-surface-2); border-color: rgba(108,140,255,.4); }
.lang-current .lang-flag { font-size: 16px; line-height: 1; }
.lang-current .lang-caret { transition: transform .2s; opacity: .7; }
.lang-dd.open .lang-current .lang-caret { transform: rotate(180deg); }

.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  margin: 0; padding: 6px; list-style: none;
  background: rgba(17, 24, 39, 0.96); backdrop-filter: blur(16px);
  border: 1px solid var(--c-border); border-radius: 14px;
  box-shadow: 0 18px 48px rgba(0,0,0,.45);
  min-width: 180px; z-index: 60;
  opacity: 0; transform: translateY(-6px) scale(.96);
  pointer-events: none; transition: .18s ease;
}
.lang-dd.open .lang-menu {
  opacity: 1; transform: translateY(0) scale(1); pointer-events: auto;
}
.lang-menu li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 9px;
  cursor: pointer; transition: .12s;
  font-size: 14px; color: var(--c-text);
}
.lang-menu li:hover { background: rgba(108,140,255,.18); }
.lang-menu li.active {
  background: linear-gradient(135deg, rgba(108,140,255,.25), rgba(34,211,238,.18));
  color: #fff;
}
.lang-menu li.active::after {
  content: '✓'; margin-left: auto; color: var(--c-accent); font-weight: 700;
}
.lang-menu li .lang-flag { font-size: 18px; line-height: 1; }
.lang-menu li .lang-code {
  margin-left: auto; font-size: 11px; color: var(--c-text-mute);
  font-weight: 700; letter-spacing: .5px;
}
.lang-menu li.active .lang-code { display: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 12px; font-weight: 600;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text); cursor: pointer; transition: .15s;
  font-size: 14px;
}
.btn:hover { background: var(--c-surface-2); }
.btn.primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-2));
  border-color: transparent; box-shadow: 0 10px 30px rgba(108,140,255,.35);
}
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.lg { padding: 14px 22px; font-size: 15px; border-radius: 14px; }
.btn.block { width: 100%; }

/* Cards */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-1);
}
.card.glass { background: rgba(255,255,255,.05); backdrop-filter: blur(10px); }

/* ===== Page transitions ===== */
.page { display: none; padding: 32px 0 80px; animation: fadeUp .4s ease; }
.page.active { display: block; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Hero ===== */
.hero { padding: 60px 0 40px; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center;
}
.kicker {
  display: inline-block; padding: 6px 12px; font-size: 12px; font-weight: 700;
  color: #c7d2fe; background: rgba(108,140,255,.12);
  border: 1px solid rgba(108,140,255,.3); border-radius: 999px;
  letter-spacing: .5px;
}
.hero h1 {
  font-size: 52px; line-height: 1.15; margin: 18px 0 14px;
  font-weight: 800; letter-spacing: -.5px;
  white-space: pre-line;
  background: linear-gradient(180deg,#fff,#cdd6e6 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 17px; color: var(--c-text-dim); max-width: 560px; }
.hero-cta { display: flex; gap: 12px; margin-top: 22px; }
.hero-trust { margin-top: 22px; font-size: 12px; color: var(--c-text-mute); }

/* Hero illustration */
.hero-illu {
  position: relative; aspect-ratio: 1/1; max-width: 460px; margin-left: auto;
  background: radial-gradient(closest-side, rgba(108,140,255,.25), transparent 70%);
  border-radius: 50%;
  display: grid; place-items: center;
}
.hero-illu .reader-card {
  position: relative; width: 88%; background: var(--c-surface-2);
  border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  padding: 22px; box-shadow: var(--shadow-2);
  transform: rotate(-2deg);
}
.hero-illu .reader-card .line {
  height: 10px; border-radius: 6px; background: rgba(255,255,255,.08); margin: 8px 0;
}
.hero-illu .reader-card .line.short { width: 60%; }
.hero-illu .reader-card .line.mid { width: 80%; }

/* Element highlight chips */
.chip {
  display: inline-block; padding: 2px 8px; border-radius: 6px;
  font-size: 12px; font-weight: 700; color: #0b0f1a;
  margin-right: 4px;
}
.chip.subject  { background: var(--e-subject); }
.chip.action   { background: var(--e-action); }
.chip.purpose  { background: var(--e-purpose); }
.chip.method   { background: var(--e-method); }
.chip.time     { background: var(--e-time); color: #fff; }
.chip.place    { background: var(--e-place); color: #fff; }
.chip.compare  { background: var(--e-compare); color: #fff; }
.chip.criteria { background: var(--e-criteria); }
.chip.degree   { background: var(--e-degree); color: #fff; }
.chip.intent   { background: var(--e-intent); }
.chip.reason   { background: var(--e-reason); color: #fff; }

/* Floating chips animation */
.float-chip {
  position: absolute; padding: 8px 12px; border-radius: 12px;
  background: rgba(255,255,255,.08); border: 1px solid var(--c-border);
  backdrop-filter: blur(6px); font-size: 12px; font-weight: 600;
  animation: floaty 5s ease-in-out infinite;
  box-shadow: var(--shadow-1);
}
.float-chip.f1 { top: 6%;  left: -4%; animation-delay: 0s; }
.float-chip.f2 { top: 36%; right: -8%; animation-delay: 1s; }
.float-chip.f3 { bottom: 8%; left: 4%; animation-delay: 2s; }
@keyframes floaty {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-10px); }
}

/* ===== Sections ===== */
.section { padding: 56px 0; }
.section-title { font-size: 30px; font-weight: 800; letter-spacing: -.3px; margin: 0 0 8px; }
.section-sub { color: var(--c-text-dim); margin-bottom: 28px; }

.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.grid-5 { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; }

.feature {
  padding: 24px; border-radius: var(--radius-lg);
  background: var(--c-surface); border: 1px solid var(--c-border);
}
.feature .ico {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 14px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: grid; place-items: center; font-size: 22px;
}
.feature h3 { margin: 0 0 6px; font-size: 18px; }
.feature p { color: var(--c-text-dim); font-size: 14px; margin: 0; }

/* Track cards */
.track {
  text-align: center; padding: 18px 14px; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-border);
  transition: .2s;
}
.track:hover { transform: translateY(-4px); border-color: rgba(108,140,255,.5); }
.track .emoji { font-size: 30px; }
.track h4 { margin: 8px 0 4px; }

/* ===== Diagnose Intro ===== */
.intro-wrap { max-width: 720px; margin: 0 auto; text-align: center; }
.intro-orb {
  width: 220px; height: 220px; margin: 12px auto 20px; position: relative;
}
.intro-orb::before, .intro-orb::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
}
.intro-orb::before {
  background: radial-gradient(closest-side, rgba(108,140,255,.55), transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}
.intro-orb::after {
  background: radial-gradient(closest-side, rgba(34,211,238,.45), transparent 70%);
  animation: pulse 3s ease-in-out infinite 1.5s;
}
.intro-orb .core {
  position: absolute; inset: 30%; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: grid; place-items: center; font-size: 42px; color: #fff;
  box-shadow: 0 14px 40px rgba(108,140,255,.45);
  z-index: 2;
  animation: floaty 4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(.9); opacity: .6; }
  50%     { transform: scale(1.1); opacity: 1; }
}

/* ===== Diagnose Question ===== */
.dx-bar {
  position: sticky; top: 64px; z-index: 5;
  background: rgba(11,15,26,.7); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  padding: 14px 0;
}
.progress {
  height: 8px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden;
}
.progress > span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  transition: width .35s ease;
}
.dx-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--c-text-dim); margin-top: 8px; }
.saved { color: var(--c-success); }
.dx-saved-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-success); margin-right: 6px;
  box-shadow: 0 0 0 0 rgba(52,211,153,.6); animation: ping 1.6s ease-out infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(52,211,153,.6); }
  100% { box-shadow: 0 0 0 14px rgba(52,211,153,0); }
}

.q-card { max-width: 760px; margin: 24px auto; }
.q-kind { font-size: 12px; color: var(--c-accent); font-weight: 700; letter-spacing: .8px; }
.q-text { font-size: 20px; line-height: 1.6; margin: 10px 0 20px; }
.q-passage {
  background: rgba(255,255,255,.04); border-left: 3px solid var(--c-accent);
  padding: 12px 16px; border-radius: 8px; color: var(--c-text-dim);
  font-size: 14px; margin-bottom: 18px;
}
.choices { display: grid; gap: 10px; }
.choice {
  padding: 14px 16px; border-radius: 12px;
  background: var(--c-surface); border: 1px solid var(--c-border);
  cursor: pointer; transition: .15s; display: flex; gap: 12px; align-items: center;
}
.choice:hover { background: var(--c-surface-2); border-color: rgba(108,140,255,.45); }
.choice.selected { background: rgba(108,140,255,.16); border-color: var(--c-primary); }
.choice .num {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--c-surface-2); display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
}
.choice.selected .num { background: var(--c-primary); color: #fff; }
.q-nav { display: flex; justify-content: space-between; margin-top: 24px; }

/* ===== Loading / Phases ===== */
.phase-wrap { max-width: 640px; margin: 60px auto; text-align: center; }
.phase-orb {
  width: 140px; height: 140px; margin: 0 auto 24px; border-radius: 50%;
  background: conic-gradient(from 0deg, var(--c-primary), var(--c-accent), var(--c-primary));
  animation: spin 2.4s linear infinite;
  display: grid; place-items: center;
  position: relative;
}
.phase-orb::before {
  content: ''; position: absolute; inset: 8px; border-radius: 50%;
  background: var(--c-bg);
}
.phase-orb span {
  position: relative; z-index: 2; font-size: 38px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.phases { display: grid; gap: 12px; margin-top: 24px; text-align: left; }
.phase-row {
  display: flex; align-items: center; gap: 14px; padding: 14px 18px;
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 14px;
  opacity: .35; transition: .35s;
}
.phase-row.done { opacity: 1; border-color: rgba(52,211,153,.45); }
.phase-row.active { opacity: 1; border-color: rgba(108,140,255,.5); box-shadow: 0 0 0 3px rgba(108,140,255,.15); }
.phase-dot {
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(255,255,255,.1); display: grid; place-items: center;
  font-size: 12px;
}
.phase-row.done .phase-dot { background: var(--c-success); color: #052e1f; }
.phase-row.active .phase-dot { background: var(--c-primary); color: #fff; }

/* ===== Report ===== */
.report-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px;
}
.score-big {
  font-size: 64px; font-weight: 800; letter-spacing: -1px;
  background: linear-gradient(135deg, #fff, var(--c-accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.grade-pill {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: rgba(34,211,238,.15); color: var(--c-accent);
  font-weight: 700; border: 1px solid rgba(34,211,238,.4);
}
.kv { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--c-border); font-size: 14px; }
.kv:last-child { border-bottom: 0; }
.kv b { color: var(--c-text); }

.tag-good, .tag-bad {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 700; margin: 4px 4px 0 0;
}
.tag-good { background: rgba(52,211,153,.15); color: var(--c-success); border: 1px solid rgba(52,211,153,.35); }
.tag-bad  { background: rgba(248,113,113,.15); color: var(--c-danger); border: 1px solid rgba(248,113,113,.35); }

.recommend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
.rec {
  padding: 18px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(108,140,255,.10), rgba(34,211,238,.06));
  border: 1px solid var(--c-border); cursor: pointer; transition: .2s;
}
.rec:hover { transform: translateY(-3px); border-color: rgba(108,140,255,.5); }
.rec .badge {
  display: inline-block; padding: 2px 8px; border-radius: 6px;
  font-size: 11px; font-weight: 800; background: rgba(108,140,255,.25); color: #c7d2fe;
}
.rec h4 { margin: 10px 0 6px; }
.rec p { color: var(--c-text-dim); font-size: 13px; margin: 0; }

/* ===== Training: Sentence drill ===== */
.drill-inst {
  background: rgba(108,140,255,.10); border: 1px solid rgba(108,140,255,.35);
  padding: 12px 16px; border-radius: 12px; margin-bottom: 18px;
  font-size: 14px;
}
.legend { display: flex; gap: 10px; margin-bottom: 14px; font-size: 12px; }
.legend .pill {
  padding: 4px 10px; border-radius: 999px; font-weight: 700;
}
.pill.core { background: rgba(255,209,102,.18); color: #ffd166; border: 1px solid rgba(255,209,102,.4); }
.pill.mod  { background: rgba(108,140,255,.18); color: #c7d2fe; border: 1px solid rgba(108,140,255,.4); }

.token-row { font-size: 20px; line-height: 2.4; }
.tok {
  display: inline-block; padding: 4px 8px; margin: 2px;
  border-radius: 8px; cursor: pointer; transition: .12s;
  background: rgba(255,255,255,.05); border: 1px solid var(--c-border);
}
.tok:hover { background: rgba(255,255,255,.1); }
.tok.core { background: rgba(255,209,102,.25); border-color: rgba(255,209,102,.6); color: #ffe39a; }
.tok.mod  { background: rgba(108,140,255,.25); border-color: rgba(108,140,255,.6); color: #c7d2fe; }
.tok.correct { box-shadow: 0 0 0 2px rgba(52,211,153,.6); }
.tok.wrong   { box-shadow: 0 0 0 2px rgba(248,113,113,.7); }

.feedback-box { margin-top: 16px; padding: 12px 16px; border-radius: 12px; font-weight: 600; }
.feedback-box.good { background: rgba(52,211,153,.12); color: var(--c-success); border: 1px solid rgba(52,211,153,.3); }
.feedback-box.bad  { background: rgba(248,113,113,.12); color: var(--c-danger);  border: 1px solid rgba(248,113,113,.3); }

/* ===== Coach Chat ===== */
.chat {
  display: grid; grid-template-rows: auto 1fr auto; height: calc(100vh - 220px); min-height: 540px;
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  overflow: hidden;
}
.chat-head {
  display: flex; align-items: center; gap: 12px; padding: 16px 20px;
  border-bottom: 1px solid var(--c-border);
}
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: grid; place-items: center; font-size: 20px; box-shadow: var(--shadow-1);
}
.chat-head h4 { margin: 0; }
.chat-head small { color: var(--c-text-dim); font-size: 12px; }

.chat-body {
  padding: 18px 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px;
  scroll-behavior: smooth;
}
.msg { display: flex; gap: 10px; max-width: 78%; }
.msg.bot { align-self: flex-start; }
.msg.me  { align-self: flex-end; flex-direction: row-reverse; }
.bubble {
  padding: 12px 14px; border-radius: 14px; line-height: 1.55; font-size: 15px;
}
.msg.bot .bubble { background: var(--c-surface-2); border: 1px solid var(--c-border); border-top-left-radius: 4px; }
.msg.me  .bubble { background: linear-gradient(135deg, var(--c-primary), var(--c-primary-2)); color: #fff; border-top-right-radius: 4px; }
.msg .avatar.small { width: 32px; height: 32px; font-size: 16px; }

.typing { display: inline-flex; gap: 4px; padding: 6px 4px; }
.typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--c-text-dim);
  animation: blink 1.2s infinite;
}
.typing span:nth-child(2){ animation-delay: .2s; }
.typing span:nth-child(3){ animation-delay: .4s; }
@keyframes blink { 0%,80%,100% { opacity: .25; } 40% { opacity: 1; } }

.chat-presets { display: flex; gap: 8px; padding: 0 20px 12px; flex-wrap: wrap; }
.chat-presets button {
  padding: 6px 12px; border-radius: 999px; border: 1px solid var(--c-border);
  background: var(--c-surface); color: var(--c-text-dim); font-size: 12px; cursor: pointer;
}
.chat-presets button:hover { color: #fff; border-color: rgba(108,140,255,.5); }

.chat-input {
  display: flex; gap: 8px; padding: 14px 16px;
  border-top: 1px solid var(--c-border); background: rgba(0,0,0,.15);
}
.chat-input input {
  flex: 1; padding: 12px 14px; border-radius: 12px;
  background: var(--c-surface-2); border: 1px solid var(--c-border);
  color: var(--c-text); font-size: 15px;
}
.chat-input input:focus { outline: 2px solid rgba(108,140,255,.5); }

/* ===== MyPage / Pricing ===== */
.stat {
  text-align: center; padding: 18px; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-border);
}
.stat .num { font-size: 30px; font-weight: 800; }
.stat .lab { color: var(--c-text-dim); font-size: 13px; }

.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.price-card {
  padding: 22px; border-radius: var(--radius-lg);
  background: var(--c-surface); border: 1px solid var(--c-border);
  display: flex; flex-direction: column; gap: 14px;
}
.price-card.pop { border-color: rgba(108,140,255,.55); box-shadow: 0 20px 50px rgba(108,140,255,.15); }
.price-card h3 { margin: 0; }
.price-card .price { font-size: 28px; font-weight: 800; }
.price-card .price small { font-size: 13px; color: var(--c-text-dim); font-weight: 500; }
.price-card ul { margin: 0; padding: 0; list-style: none; font-size: 14px; color: var(--c-text-dim); }
.price-card ul li { padding: 6px 0; border-bottom: 1px dashed var(--c-border); }
.price-card ul li:last-child { border-bottom: 0; }

/* ===== Form (signup / login) ===== */
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block; margin-bottom: 6px; font-size: 13px;
  color: var(--c-text-dim); font-weight: 600;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px;
  background: var(--c-surface-2); border: 1px solid var(--c-border);
  color: var(--c-text); font-size: 15px; font-family: inherit;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: 2px solid rgba(108,140,255,.5);
  border-color: rgba(108,140,255,.6);
}

/* Track card hover */
.track-card { cursor: pointer; }
.track-card:hover { transform: translateY(-6px); border-color: var(--c-primary); }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(100px);
  background: rgba(17, 24, 39, 0.95); backdrop-filter: blur(14px);
  border: 1px solid var(--c-border); border-radius: 12px;
  padding: 12px 20px; color: var(--c-text); font-size: 14px;
  box-shadow: 0 10px 40px rgba(0,0,0,.4); z-index: 100;
  opacity: 0; transition: .3s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: rgba(52,211,153,.5); }
.toast.error   { border-color: rgba(248,113,113,.5); }

/* ===== Footer ===== */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--c-border);
  padding: 24px 0; color: var(--c-text-mute); font-size: 12px;
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-5 { grid-template-columns: 1fr 1fr 1fr; }
  .report-grid { grid-template-columns: 1fr; }
  .recommend-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
}
@media (max-width: 540px) {
  .grid-3, .grid-4, .grid-5, .price-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
}