:root {
  --rmrg-bg: #fff7f8;
  --rmrg-surface: rgba(255, 255, 255, 0.9);
  --rmrg-surface-strong: #ffffff;
  --rmrg-text: #1f1a20;
  --rmrg-muted: #6c6570;
  --rmrg-border: rgba(31, 26, 32, 0.1);
  --rmrg-border-strong: rgba(247, 55, 96, 0.25);
  --rmrg-primary: #f73760;
  --rmrg-primary-dark: #cf1c49;
  --rmrg-primary-soft: rgba(247, 55, 96, 0.12);
  --rmrg-success: #0f9d7a;
  --rmrg-warning: #b46a00;
  --rmrg-error: #be1e3c;
  --rmrg-shadow: 0 18px 50px rgba(55, 16, 25, 0.12);
  --rmrg-radius: 22px;
  --rmrg-radius-sm: 14px;
  --rmrg-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.rmrg-app,
.rmrg-app * {
  box-sizing: border-box;
}

.rmrg-app {
  font-family: var(--rmrg-font);
  color: var(--rmrg-text);
  background:
    radial-gradient(circle at top left, rgba(247, 55, 96, 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(247, 55, 96, 0.08), transparent 28%),
    linear-gradient(180deg, #fffafb 0%, #fff3f5 100%);
}

.rmrg-app {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.rmrg-app [hidden] {
  display: none !important;
}

.rmrg-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rmrg-border);
  border-radius: 30px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 246, 248, 0.94)),
    linear-gradient(135deg, rgba(247, 55, 96, 0.12), transparent 48%);
  box-shadow: var(--rmrg-shadow);
}

.rmrg-hero::after {
  content: "";
  position: absolute;
  inset: auto -48px -80px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247, 55, 96, 0.18) 0%, rgba(247, 55, 96, 0) 70%);
  pointer-events: none;
}

.rmrg-hero__title {
  margin: 16px 0 10px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.rmrg-hero__subtitle,
.rmrg-hero__copy {
  max-width: 760px;
  margin: 0;
  color: var(--rmrg-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.rmrg-hero__copy {
  margin-top: 12px;
  color: #4f4651;
}

.rmrg-hero__howto {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(247, 55, 96, 0.16);
  background: rgba(255, 255, 255, 0.72);
}

.rmrg-hero__howto-title {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.rmrg-hero__howto-copy {
  margin: 0;
  color: var(--rmrg-muted);
  line-height: 1.6;
}

.rmrg-hero__howto-copy + .rmrg-hero__howto-copy {
  margin-top: 8px;
}

.rmrg-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
  align-items: start;
}

.rmrg-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

.rmrg-panel {
  border: 1px solid var(--rmrg-border);
  border-radius: var(--rmrg-radius);
  background: var(--rmrg-surface);
  box-shadow: var(--rmrg-shadow);
  backdrop-filter: blur(8px);
}

.rmrg-panel--main,
.rmrg-panel--side,
.rmrg-panel--output {
  padding: 22px;
}

.rmrg-panel--output,
.rmrg-panel--stats {
  margin-top: 20px;
}

.rmrg-panel__header {
  margin-bottom: 18px;
}

.rmrg-panel__header--split {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.rmrg-panel__title {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.rmrg-panel__text {
  margin: 8px 0 0;
  color: var(--rmrg-muted);
  line-height: 1.5;
}

.rmrg-field {
  display: grid;
  gap: 10px;
}

.rmrg-config-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.rmrg-field__label {
  font-weight: 700;
  font-size: 0.95rem;
}

.rmrg-textarea,
.rmrg-select {
  width: 100%;
  border: 1px solid var(--rmrg-border);
  border-radius: var(--rmrg-radius-sm);
  background: #fff;
  color: var(--rmrg-text);
  font: inherit;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.rmrg-textarea {
  min-height: 260px;
  padding: 16px;
  resize: vertical;
  line-height: 1.55;
}

.rmrg-select {
  min-height: 48px;
  padding: 0 14px;
}

.rmrg-textarea:focus,
.rmrg-select:focus,
.rmrg-button:focus,
.rmrg-option input:focus {
  outline: none;
  border-color: rgba(247, 55, 96, 0.55);
  box-shadow: 0 0 0 4px rgba(247, 55, 96, 0.12);
}

.rmrg-actions,
.rmrg-output-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.rmrg-output-actions--bottom {
  margin-top: 16px;
}

.rmrg-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  max-width: min(420px, calc(100vw - 32px));
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(18, 16, 21, 0.96);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 18px 40px rgba(18, 16, 21, 0.26);
}

.rmrg-toast[hidden] {
  display: none;
}

.rmrg-button {
  border: 1px solid var(--rmrg-border);
  border-radius: 14px;
  padding: 12px 14px;
  background: #fff;
  color: var(--rmrg-text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.rmrg-button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(247, 55, 96, 0.35);
  box-shadow: 0 10px 24px rgba(247, 55, 96, 0.11);
}

.rmrg-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.rmrg-button--primary {
  background: linear-gradient(135deg, var(--rmrg-primary), #ff5d7c);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 14px 28px rgba(247, 55, 96, 0.22);
}

.rmrg-group {
  margin: 0 0 18px;
  padding: 0;
  border: 0;
}

.rmrg-group__legend {
  margin-bottom: 12px;
  padding: 0;
  font-weight: 700;
  font-size: 0.95rem;
}

.rmrg-option {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding: 12px 14px;
  border: 1px solid var(--rmrg-border);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
}

.rmrg-option input {
  accent-color: var(--rmrg-primary);
}

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

.rmrg-summary__card {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--rmrg-border);
  background: linear-gradient(180deg, #fff, #fffafc);
}

.rmrg-summary__label {
  display: block;
  color: var(--rmrg-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rmrg-summary__value {
  display: block;
  margin-top: 8px;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.35;
}

.rmrg-score {
  display: grid;
  place-items: center;
  gap: 10px;
  min-height: 182px;
  border-radius: 20px;
  background:
    radial-gradient(circle at center, rgba(247, 55, 96, 0.14), transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 246, 248, 0.95));
  border: 1px solid var(--rmrg-border);
}

.rmrg-score__value {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.06em;
  color: #fff;
  background: linear-gradient(135deg, var(--rmrg-primary), #ff6a87);
  box-shadow: 0 16px 34px rgba(247, 55, 96, 0.28);
}

.rmrg-score__label {
  max-width: 260px;
  margin: 0;
  text-align: center;
  color: var(--rmrg-muted);
  font-weight: 600;
  line-height: 1.45;
}

.rmrg-validation {
  display: grid;
  gap: 14px;
}

.rmrg-validation__box {
  border: 1px solid var(--rmrg-border);
  border-radius: 18px;
  padding: 16px;
  background: #fff;
}

.rmrg-validation__box--error {
  border-color: rgba(190, 30, 60, 0.22);
}

.rmrg-validation__box--warning {
  border-color: rgba(180, 106, 0, 0.22);
}

.rmrg-validation__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.rmrg-issue-group {
  border: 1px solid rgba(247, 55, 96, 0.12);
  border-radius: 14px;
  background: linear-gradient(180deg, #fff, #fff8f9);
  overflow: hidden;
}

.rmrg-issue-group + .rmrg-issue-group {
  margin-top: 8px;
}

.rmrg-issue-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
}

.rmrg-issue-group summary::-webkit-details-marker {
  display: none;
}

.rmrg-issue-group__title {
  font-weight: 700;
  color: var(--rmrg-text);
}

.rmrg-issue-group__meta {
  padding: 0 14px 14px;
  color: var(--rmrg-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.rmrg-validation__title {
  margin: 0;
  font-size: 1rem;
}

.rmrg-pill {
  min-width: 34px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--rmrg-primary-soft);
  color: var(--rmrg-primary-dark);
  font-size: 0.85rem;
  font-weight: 800;
  text-align: center;
}

.rmrg-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: #3a333c;
}

.rmrg-list li {
  line-height: 1.45;
}

.rmrg-list li[data-kind="error"] {
  color: var(--rmrg-error);
}

.rmrg-list li[data-kind="warning"] {
  color: var(--rmrg-warning);
}

.rmrg-code {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--rmrg-border);
  background: #121015;
  color: #f7f6fa;
  overflow: auto;
  max-height: 460px;
}

.rmrg-code code {
  display: block;
  white-space: pre;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.92rem;
  line-height: 1.6;
}

@media (max-width: 980px) {
  .rmrg-panel__header--split {
    flex-direction: column;
  }

  .rmrg-config-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .rmrg-app {
    width: 100%;
    padding: 12px 12px 24px;
  }

  .rmrg-hero,
  .rmrg-panel--main,
  .rmrg-panel--side,
  .rmrg-panel--output {
    padding: 18px;
  }

  .rmrg-summary {
    grid-template-columns: 1fr;
  }

  .rmrg-actions,
  .rmrg-output-actions {
    flex-direction: column;
  }

  .rmrg-button {
    width: 100%;
  }

  .rmrg-textarea {
    min-height: 220px;
  }

  .rmrg-toast {
    left: 12px;
    right: 12px;
    bottom: 12px;
    max-width: none;
  }
}