:root {
  --bg: #f3efe7;
  --bg-deep: #efe5d6;
  --ink: #151515;
  --muted: #5b5b5b;
  --accent: #ff6b4a;
  --accent-dark: #e05538;
  --accent-cool: #1f7a8c;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-dark: rgba(21, 21, 21, 0.9);
  --border: rgba(21, 21, 21, 0.12);
  --shadow: 0 20px 40px rgba(17, 17, 17, 0.15);
  --radius: 18px;
  --font-display: "Space Grotesk", "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Space Grotesk", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background: radial-gradient(circle at top left, #fff7ec 0%, var(--bg) 45%, var(--bg-deep) 100%);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 48px 24px 80px;
}

.scene {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -1;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(0px);
  opacity: 0.8;
  mix-blend-mode: multiply;
}

.orb--one {
  width: 320px;
  height: 320px;
  top: -80px;
  right: 10%;
  background: radial-gradient(circle, rgba(255, 107, 74, 0.4), rgba(255, 107, 74, 0));
  animation: float 12s ease-in-out infinite;
}

.orb--two {
  width: 420px;
  height: 420px;
  bottom: -140px;
  left: -40px;
  background: radial-gradient(circle, rgba(31, 122, 140, 0.35), rgba(31, 122, 140, 0));
  animation: float 16s ease-in-out infinite;
}

.grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(21, 21, 21, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 21, 21, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.5;
}

.app {
  width: min(1100px, 100%);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions .ghost:last-child {
  margin-left: 4px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-family: "Space Grotesk", "IBM Plex Sans", "Segoe UI", sans-serif;
  font-weight: 600;
  font-size: 26px;
  color: #2b2f36;
  letter-spacing: -0.4px;
  text-shadow: 0 6px 20px rgba(43, 47, 54, 0.12);
  display: inline-block;
}

.brand-text h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
}

.brand-text p {
  margin: 4px 0 0;
  color: var(--muted);
}

.status-chip {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(21, 21, 21, 0.08);
  font-size: 14px;
}

.status-chip.ok {
  background: rgba(31, 122, 140, 0.18);
  color: #135260;
}

.status-chip.warn {
  background: rgba(255, 107, 74, 0.2);
  color: #8c3522;
}

.panel {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.panel-login {
  max-width: 520px;
}

.panel-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
}

.panel-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

.panel-header.row {
  position: sticky;
  top: 12px;
  z-index: 5;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px 16px;
  margin: -4px 0 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.3px;
}

.panel-header p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.config-group {
  display: none;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  padding: 20px 24px;
  border: 1px solid rgba(21, 21, 21, 0.06);
  animation: fadeIn 0.3s ease forwards;
}

.config-group h3 {
  margin: 0 0 16px;
  font-size: 17px;
  font-family: var(--font-display);
  color: var(--muted);
  font-weight: 500;
  border-bottom: 1px solid rgba(21, 21, 21, 0.05);
  padding-bottom: 8px;
}

.config-item {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(21, 21, 21, 0.04);
  opacity: 0;
  transform: translateY(-8px);
  animation: slideIn 0.4s ease forwards;
  animation-delay: calc(var(--i) * 0.05s);
  align-items: center;
}

.config-title {
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink);
}

.config-desc {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.4;
  margin-top: 2px;
}

.panel-body {
  margin-top: 18px;
  display: grid;
  gap: 16px;
}

.panel-footer {
  margin-top: 24px;
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.toolbar {
  display: flex;
  gap: 12px;
}

.field {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.field-row {
  display: flex;
  gap: 10px;
}

input,
select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-family: var(--font-body);
  background: #fff;
  transition: all 0.2s ease;
  color: var(--ink);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.1);
  background: #fff;
}

input.is-invalid,
select.is-invalid {
  border-color: #d23f29;
  box-shadow: 0 0 0 3px rgba(210, 63, 41, 0.1);
  background: #fffcfc;
}

.config-control {
  display: flex;
  gap: 8px;
  align-items: center;
}

.config-control .config-input {
  flex: 1;
}

.config-control button.toggle {
  height: 38px;
  padding: 0 12px;
  font-size: 12.5px;
  border-radius: 8px;
}

select {
  cursor: pointer;
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(255, 107, 74, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.15);
}

input.is-invalid,
select.is-invalid {
  border-color: rgba(210, 63, 41, 0.7);
  box-shadow: 0 0 0 3px rgba(210, 63, 41, 0.15);
}

button {
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-with-icon .icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-with-icon svg {
  display: block;
}

.config-layout {
  display: flex;
  gap: 32px;
  margin-top: 18px;
  align-items: flex-start;
}

.config-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 180px;
  flex: 0 0 auto;
  position: sticky;
  top: 84px;
  background: rgba(21, 21, 21, 0.05);
  padding: 4px;
  border-radius: 12px;
}

.nav-item {
  padding: 8px 12px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
}

.nav-item.active {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 16px rgba(255, 107, 74, 0.2);
}

button.primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 10px 20px rgba(255, 107, 74, 0.25);
  transform: translateY(-1.5px);
}

button.primary:active {
  transform: translateY(0);
}

button.ghost {
  background: rgba(21, 21, 21, 0.06);
  color: var(--ink);
}

button.ghost:hover {
  background: rgba(21, 21, 21, 0.1);
  transform: translateY(-1px);
}

button.toggle {
  border-radius: 8px;
  padding: 6px 12px;
  background: rgba(21, 21, 21, 0.08);
  white-space: nowrap;
  min-width: 70px;
  flex: 0 0 auto;
}

.config-groups {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0;
}

.config-group {
  display: none;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.65);
  padding: 24px;
  border: 1px solid rgba(21, 21, 21, 0.08);
  animation: fadeIn 0.3s ease forwards;
}

.config-group.active {
  display: block;
}

.config-group h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-family: var(--font-display);
}

.config-item {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(260px, 1.2fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(21, 21, 21, 0.12);
  opacity: 0;
  transform: translateY(-10px);
  animation: slideIn 0.4s ease forwards;
  animation-delay: calc(var(--i) * 0.06s);
}

.config-item:last-child {
  border-bottom: none;
}

.config-meta {
  display: grid;
  gap: 6px;
}

.config-title {
  font-weight: 600;
}

.config-desc {
  font-size: 13px;
  color: var(--muted);
}

.config-control {
  display: flex;
  gap: 10px;
  align-items: center;
}

.config-control button {
  padding: 10px 14px;
  flex: 0 0 auto;
}

.restart-block {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.7);
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(21, 21, 21, 0.08);
}

.helper {
  font-size: 13px;
  color: #c23f2a;
  min-height: 18px;
}

.hidden {
  display: none;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 30px;
  background: var(--panel-dark);
  color: #fff;
  padding: 14px 24px;
  border-radius: 16px;
  opacity: 0;
  transform: translateX(120%) scale(0.9);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 100;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  font-weight: 500;
}

.toast.show {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.toast[data-variant="error"] {
  background: #c23f2a;
}

.toast[data-variant="success"] {
  background: #1f7a8c;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-18px);
  }
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .config-layout {
    flex-direction: column;
    gap: 20px;
  }

  .config-nav {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    padding: 4px;
    top: 72px;
    z-index: 4;
    background: rgba(21, 21, 21, 0.05);
    margin-bottom: 0;
    gap: 2px;
    border-radius: 10px;
  }

  .nav-item {
    white-space: nowrap;
    padding: 6px 12px;
    text-align: center;
    flex: 1;
    min-width: fit-content;
    border-radius: 6px;
    font-size: 12.5px;
  }

  .nav-item:hover,
  .nav-item.active {
    transform: translateY(-1px);
  }

  .config-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px 0;
  }

  .config-group {
    padding: 16px 18px;
  }

  .panel-header.row {
    padding: 8px 12px;
    margin: -4px 0 12px;
  }

@media (max-width: 600px) {
  body {
    padding: 32px 16px 60px;
  }

  .panel {
    padding: 20px;
  }

  .field-row {
    flex-direction: column;
  }
}