:root {
  --bg: #eef2f8;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --line: rgba(48, 70, 110, 0.12);
  --text: #1d2433;
  --muted: #68728a;
  --accent: #3f8cff;
  --shadow: 0 18px 40px rgba(42, 60, 98, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(120, 157, 255, 0.35), transparent 28%),
    radial-gradient(circle at bottom right, rgba(255, 189, 133, 0.34), transparent 24%),
    linear-gradient(180deg, #edf1f8 0%, #e8edf6 100%);
}

.viewport {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.app {
  display: grid;
  grid-template-columns: minmax(220px, 24%) minmax(0, 1fr);
  gap: clamp(14px, 1.8vw, 24px);
  width: 100%;
  height: 100%;
  padding: clamp(10px, 1.8vw, 24px);
  overflow: hidden;
}

.sidebar,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.sidebar {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(14px, 1.6vw, 24px) clamp(10px, 1.2vw, 18px);
}

.brand-block {
  margin: 4px clamp(4px, 0.8vw, 10px) clamp(14px, 1.6vw, 24px);
}

.brand-logo-card,
.header-logo-card {
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(244, 249, 255, 0.96), rgba(214, 231, 255, 0.72));
  border: 1px solid rgba(108, 146, 210, 0.18);
  box-shadow: 0 16px 36px rgba(28, 59, 112, 0.12);
}

.brand-logo-card {
  min-height: clamp(70px, 9vw, 94px);
  padding: clamp(8px, 1vw, 12px) clamp(12px, 1.4vw, 18px);
  border-radius: clamp(16px, 2vw, 22px);
}

.brand-logo,
.header-logo {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 22px rgba(62, 100, 186, 0.18));
}

.brand-logo {
  max-width: min(180px, 100%);
}

.brand-text {
  margin: clamp(10px, 1vw, 16px) 4px 0;
  letter-spacing: 0.18em;
  font-size: clamp(10px, 1vw, 14px);
  color: var(--muted);
}

.tabs {
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 0.7vw, 10px);
  flex: 1;
  min-height: 0;
}

.tab {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: clamp(10px, 1.2vw, 18px) clamp(12px, 1.2vw, 18px);
  border: 1px solid transparent;
  border-radius: clamp(16px, 1.8vw, 20px);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: clamp(13px, 1.4vw, 18px);
  text-align: left;
  transition: transform 120ms ease, border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.tab:hover {
  transform: translateX(2px);
}

.tab.active {
  background: var(--panel-strong);
  border-color: rgba(63, 140, 255, 0.35);
  color: var(--accent);
  box-shadow: inset 4px 0 0 var(--accent);
}

.tab.locked {
  opacity: 0.58;
}

.panel {
  min-width: 0;
  padding: clamp(16px, 2vw, 34px) clamp(16px, 2vw, 34px) clamp(14px, 1.6vw, 28px);
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.panel-header h1 {
  margin: 0;
  font-size: clamp(28px, 4.3vw, 62px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.panel-header p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: clamp(13px, 1.4vw, 18px);
}

.header-logo-card {
  width: clamp(84px, 10vw, 132px);
  min-height: clamp(54px, 7vw, 78px);
  padding: clamp(7px, 0.8vw, 10px) clamp(9px, 1vw, 14px);
  border-radius: clamp(16px, 2vw, 22px);
}

.header-logo {
  max-width: min(102px, 100%);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: clamp(12px, 1.4vw, 18px) clamp(4px, 0.8vw, 10px) 4px;
  padding: clamp(10px, 1.2vw, 16px);
  border: 1px solid rgba(108, 146, 210, 0.18);
  border-radius: clamp(16px, 2vw, 22px);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(235, 243, 255, 0.82));
  box-shadow: 0 18px 36px rgba(34, 68, 124, 0.08);
}

.user-avatar-wrap {
  flex: 0 0 auto;
}

.user-avatar {
  display: grid;
  place-items: center;
  width: clamp(40px, 4vw, 58px);
  height: clamp(40px, 4vw, 58px);
  border-radius: 999px;
  background: linear-gradient(180deg, #618de1 0%, #344976 100%);
  color: white;
  font-size: clamp(15px, 1.6vw, 22px);
  font-weight: 600;
  letter-spacing: 0.08em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 10px 18px rgba(45, 79, 142, 0.24);
}

.user-meta {
  min-width: 0;
}

.user-name {
  font-size: clamp(13px, 1.3vw, 17px);
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-status {
  margin-top: 4px;
  color: var(--muted);
  font-size: clamp(10px, 1vw, 13px);
  line-height: 1.4;
}

.hero {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(240px, 1.1fr) minmax(118px, 160px);
  gap: clamp(14px, 1.8vw, 28px);
  margin-top: clamp(12px, 1.5vw, 28px);
  align-items: start;
}

.state-pill {
  display: inline-flex;
  align-items: center;
  padding: clamp(5px, 0.7vw, 8px) clamp(10px, 0.9vw, 14px);
  border-radius: 999px;
  background: rgba(63, 140, 255, 0.12);
  color: var(--accent);
  font-size: clamp(9px, 0.9vw, 12px);
  letter-spacing: 0.14em;
}

.hero-copy h2 {
  margin: clamp(10px, 1.4vw, 22px) 0 10px;
  font-size: clamp(20px, 2.6vw, 34px);
  letter-spacing: -0.03em;
}

.hero-copy p {
  margin: 0;
  max-width: 34ch;
  color: var(--muted);
  font-size: clamp(12px, 1.35vw, 18px);
  line-height: 1.42;
}

.hero-preview,
.finish-chip,
.locked-panel {
  border: 1px solid var(--line);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.hero-preview {
  display: grid;
  place-items: center;
  min-height: clamp(214px, 31vw, 392px);
  border-radius: clamp(18px, 2vw, 28px);
}

.product-card {
  display: grid;
  place-items: center;
  width: clamp(152px, 18vw, 238px);
  height: clamp(206px, 25vw, 324px);
  border-radius: clamp(20px, 2.3vw, 34px);
  background: linear-gradient(180deg, #3e4659 0%, #1f2531 100%);
  color: white;
  font-size: clamp(18px, 2vw, 30px);
  letter-spacing: 0.08em;
  text-align: center;
  padding: 12px;
}

.finish-list {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.2vw, 18px);
}

.finish-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(6px, 0.7vw, 10px);
  padding: clamp(10px, 1vw, 18px) clamp(8px, 0.9vw, 14px);
  border-radius: clamp(14px, 1.6vw, 18px);
  cursor: pointer;
  text-decoration: none;
  transition: transform 120ms ease, border-color 140ms ease;
}

.finish-chip:hover {
  transform: translateY(-1px);
}

.finish-chip.active {
  border-color: rgba(63, 140, 255, 0.7);
}

.finish-dot {
  width: clamp(34px, 4vw, 54px);
  height: clamp(34px, 4vw, 54px);
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.finish-label {
  font-size: clamp(11px, 1.1vw, 15px);
  color: var(--text);
  text-decoration: none;
  text-align: center;
}

.locked-panel {
  margin-top: 24px;
  padding: 24px 28px;
  border-radius: 24px;
}

.locked-panel h3 {
  margin: 0 0 8px;
  font-size: 24px;
}

.locked-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.content-deck {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.4vw, 22px);
  margin-top: clamp(14px, 1.6vw, 26px);
}

.deck-card {
  min-height: clamp(170px, 24vw, 250px);
  padding: clamp(14px, 1.5vw, 24px);
  border: 1px solid var(--line);
  border-radius: clamp(18px, 1.8vw, 26px);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  min-width: 0;
}

.deck-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(32px, 3.2vw, 46px);
  height: clamp(32px, 3.2vw, 46px);
  border-radius: clamp(10px, 1vw, 14px);
  background: rgba(63, 140, 255, 0.12);
  color: var(--accent);
  font-size: clamp(14px, 1.4vw, 20px);
}

.deck-title {
  margin: clamp(10px, 1vw, 18px) 0 8px;
  font-size: clamp(13px, 1.3vw, 17px);
  font-weight: 600;
  color: var(--text);
}

.deck-copy {
  color: var(--muted);
  font-size: clamp(11px, 1.05vw, 15px);
  line-height: 1.46;
}

.deck-media {
  margin-top: clamp(10px, 1vw, 18px);
  min-height: clamp(88px, 12vw, 116px);
  border-radius: clamp(14px, 1.4vw, 20px);
  background: linear-gradient(145deg, rgba(233, 239, 249, 0.94), rgba(248, 251, 255, 0.98));
  border: 1px solid rgba(108, 146, 210, 0.12);
  padding: clamp(10px, 1vw, 16px);
}

.mini-player {
  display: grid;
  grid-template-columns: clamp(48px, 5vw, 66px) 1fr;
  gap: clamp(10px, 1vw, 14px);
  align-items: center;
}

.mini-art {
  width: clamp(48px, 5vw, 66px);
  height: clamp(48px, 5vw, 66px);
  border-radius: clamp(14px, 1.2vw, 18px);
  background: linear-gradient(180deg, rgba(139, 163, 221, 0.6), rgba(83, 98, 145, 0.9));
}

.mini-lines {
  display: flex;
  flex-direction: column;
  gap: clamp(6px, 0.7vw, 8px);
}

.line {
  height: clamp(6px, 0.7vw, 10px);
  border-radius: 999px;
  background: rgba(81, 103, 152, 0.16);
}

.line.short {
  width: 54%;
}

.line.mid {
  width: 76%;
}

.line.long {
  width: 92%;
}

.social-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 0.9vw, 14px);
}

.bubble {
  max-width: 88%;
  padding: clamp(8px, 0.9vw, 12px) clamp(10px, 1vw, 14px);
  border-radius: clamp(14px, 1.4vw, 18px);
  font-size: clamp(10px, 1vw, 14px);
  line-height: 1.45;
}

.bubble.incoming {
  background: rgba(80, 100, 141, 0.08);
  color: var(--text);
}

.bubble.outgoing {
  margin-left: auto;
  background: linear-gradient(180deg, #56a0ff 0%, #3d78ff 100%);
  color: white;
}

.status-list {
  display: grid;
  gap: clamp(8px, 0.8vw, 12px);
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: clamp(10px, 1vw, 14px);
  color: var(--text);
  gap: 10px;
}

.status-label {
  color: var(--muted);
}

.status-value {
  font-weight: 600;
}

.status-value.good {
  color: #22a55a;
}

.footer-rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 1.2vw, 20px);
  margin-top: clamp(14px, 1.4vw, 24px);
  padding: clamp(12px, 1.2vw, 18px) clamp(14px, 1.5vw, 24px);
  border: 1px solid var(--line);
  border-radius: clamp(18px, 1.7vw, 24px);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.footer-device {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-device-dot {
  width: clamp(30px, 3vw, 42px);
  height: clamp(30px, 3vw, 42px);
  border-radius: clamp(12px, 1.1vw, 16px);
  background: linear-gradient(180deg, #7f95c8 0%, #44506b 100%);
}

.footer-device-name {
  font-size: clamp(12px, 1.2vw, 16px);
  font-weight: 600;
}

.footer-device-meta {
  margin-top: 3px;
  color: var(--muted);
  font-size: clamp(10px, 0.95vw, 13px);
}

.footer-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: clamp(110px, 11vw, 148px);
  padding: clamp(8px, 0.9vw, 12px) clamp(12px, 1.2vw, 20px);
  border: 1px solid rgba(108, 146, 210, 0.22);
  border-radius: 999px;
  color: var(--accent);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 20px rgba(41, 79, 146, 0.08);
  font-size: clamp(11px, 1vw, 14px);
}

.hidden {
  display: none;
}

@media (max-width: 1200px) {
  .content-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    grid-template-columns: minmax(190px, 0.9fr) minmax(210px, 1.1fr) minmax(108px, 138px);
  }
}

@media (max-width: 900px) {
  .content-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-rail {
    flex-wrap: wrap;
  }
}