:root {
  --bg-main: #02030a;
  --bg-panel: rgba(10, 10, 18, 0.96);
  --bg-panel-soft: rgba(18, 18, 30, 0.9);
  --accent: #ffffff;
  --accent-soft: #c0c4ff;
  --accent-glow: #8f9bff;
  --danger: #ff4d6a;
  --success: #6af5c8;
  --text-main: #f5f5f5;
  --text-muted: #a0a3b8;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.7);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: radial-gradient(circle at top, #15192a 0, #02030a 55%, #000000 100%);
  color: var(--text-main);
}

/* Layout shell */

.rc-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.rc-shell-header {
  padding: 18px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to right,
    rgba(2, 3, 10, 0.96),
    rgba(12, 14, 30, 0.98)
  );
  border-bottom: 1px solid var(--border-subtle);
}

.rc-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rc-brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffffff, #8f9bff 40%, #02030a 80%);
  box-shadow: 0 0 24px rgba(143, 155, 255, 0.9);
}

.rc-brand-text {
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent-soft);
}

.rc-shell-main {
  flex: 1;
  padding: 24px 24px 40px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .rc-shell-main {
    grid-template-columns: 1fr;
    padding: 16px;
  }
}

/* Panels */

.rc-panel {
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 18px 20px 20px;
  position: relative;
  overflow: hidden;
}

.rc-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(143, 155, 255, 0.18), transparent 55%);
  opacity: 0.8;
  pointer-events: none;
}

.rc-panel-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.rc-panel-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

/* Buttons */

.rc-btn {
  border: none;
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  background: linear-gradient(120deg, #ffffff, #c4c8ff);
  color: #050819;
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.18);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.rc-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 34px rgba(255, 255, 255, 0.22);
}

.rc-btn-secondary {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--accent-soft);
  box-shadow: none;
}

.rc-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* Profile header */

.rc-profile-header {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 10px;
}

.rc-profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-position: center;
  background-size: cover;
  border: 2px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 28px rgba(143, 155, 255, 0.8);
  position: relative;
}

.rc-profile-avatar::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.24);
  opacity: 0.6;
}

.rc-profile-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rc-profile-name {
  font-size: 22px;
  font-weight: 600;
}

.rc-profile-handle {
  font-size: 13px;
  color: var(--text-muted);
}

.rc-profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

/* Wheels media slider */

.rc-wheels {
  margin-top: 10px;
}

.rc-wheels-track {
  display: flex;
  overflow-x: auto;
  gap: 14px;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.rc-wheels-track::-webkit-scrollbar {
  display: none;
}

.rc-wheel-card {
  min-width: 180px;
  max-width: 180px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #ffffff 0, #8f9bff 30%, #111325 80%);
  position: relative;
  padding: 4px;
  cursor: pointer;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
}

.rc-wheel-inner {
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.rc-wheel-media {
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.05);
}

.rc-wheel-label {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Lesson section */

.rc-lessons-section {
  margin-top: 16px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

.rc-lessons-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rc-lesson-card {
  border-radius: var(--radius-md);
  background: var(--bg-panel-soft);
  padding: 10px 12px;
  border: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.rc-lesson-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rc-lesson-title {
  font-size: 14px;
  font-weight: 500;
}

.rc-lesson-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* Reviews */

.rc-reviews-list {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 180px;
  overflow-y: auto;
}

.rc-review-item {
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: rgba(4, 6, 18, 0.9);
}

.rc-review-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

/* Messages */

.rc-messages-thread {
  max-height: 260px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 2px;
}

.rc-message-bubble {
  max-width: 80%;
  padding: 8px 12px;
  border-radius: 16px;
  font-size: 12px;
  line-height: 1.35;
}

.rc-message-bubble.me {
  margin-left: auto;
  background: linear-gradient(120deg, #ffffff, #bfc4ff);
  color: #050819;
}

.rc-message-bubble.them {
  margin-right: auto;
  background: rgba(8, 10, 24, 0.96);
  border: 1px solid var(--border-subtle);
}

.rc-message-meta {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 3px;
  text-align: right;
}

.rc-message-input-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.rc-message-input-row input {
  flex: 1;
  padding: 8px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: rgba(3, 4, 14, 0.96);
  color: var(--text-main);
  font-size: 13px;
}

/* Forms */

.rc-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.rc-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.rc-input,
.rc-textarea,
.rc-select,
.rc-multi-select {
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: 8px 10px;
  background: rgba(4, 5, 16, 0.96);
  color: var(--text-main);
  font-size: 13px;
}

.rc-textarea {
  min-height: 80px;
  resize: vertical;
}

.rc-multi-select {
  min-height: 80px;
}

.rc-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.rc-toggle-row span {
  font-size: 13px;
}

.rc-toggle-row input[type="checkbox"] {
  width: 38px;
  height: 20px;
}