frontend/app/page.css

/* ── Header ── */
header {
  position: relative;
  z-index: 10;
  padding: 28px 40px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(9, 9, 15, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 20px var(--accent-glow);
  flex-shrink: 0;
}

.site-title {
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.site-sub {
  font-size: 0.65rem;
  color: var(--text3);
  font-family: var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 1px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.pill {
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.62rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid;
}

.pill-purple {
  border-color: var(--accent);
  color: var(--accent2);
  background: var(--accent-glow);
}

.pill-green {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-dim);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  display: inline-block;
  animation: pulse-dot 2s infinite;
  margin-right: 5px;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.btn-link {
  padding: 7px 16px;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.7rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-link:hover {
  border-color: var(--accent);
  color: var(--accent2);
  background: var(--accent-glow);
}

/* ── Hero ── */
.hero {
  position: relative;
  z-index: 5;
  padding: 64px 40px 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-label {
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent2);
}

h1 {
  font-family: var(--sans);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 20px;
}

h1 span {
  color: var(--accent2);
}

.hero-desc {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text2);
  max-width: 620px;
  margin-bottom: 0;
}

.hero-metrics {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 0;
  margin-top: 28px;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-val {
  font-family: var(--sans);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
}

.metric-val.green {
  color: var(--green);
}

.metric-val.purple {
  color: var(--accent2);
}

.metric-val.cyan {
  color: var(--cyan);
}

.metric-key {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
}

/* ── Main layout ── */
.main {
  position: relative;
  z-index: 5;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 780px) {
  .main {
    grid-template-columns: 1fr;
    padding: 0 20px 60px;
  }
  header {
    padding: 20px;
  }
  .hero {
    padding: 40px 20px 32px;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  overflow: hidden;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--border2);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--surface2);
}

.card-title {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

.icon-purple {
  background: var(--accent-glow);
  color: var(--accent2);
}

.icon-green {
  background: var(--green-dim);
  color: var(--green);
}

.icon-yellow {
  background: var(--yellow-dim);
  color: var(--yellow);
}

.icon-red {
  background: var(--red-dim);
  color: var(--red);
}

.icon-cyan {
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan);
}

.card-body {
  padding: 20px;
}

/* ── Form controls ── */
.field-group {
  margin-bottom: 16px;
}

.field-group:last-child {
  margin-bottom: 0;
}

label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 7px;
}

input[type='url'],
input[type='text'],
input[type='number'],
select,
textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a5a7a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

textarea {
  resize: vertical;
  min-height: 90px;
  font-size: 0.72rem;
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
  letter-spacing: 0.04em;
  width: 100%;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent2);
  box-shadow: 0 0 30px rgba(108, 99, 255, 0.4);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent2);
  background: var(--accent-glow);
}

.btn-secondary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-green {
  background: var(--green-dim);
  border: 1px solid var(--green);
  color: var(--green);
}

.btn-green:hover:not(:disabled) {
  background: rgba(0, 229, 160, 0.2);
}

.btn-green:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-red {
  background: var(--red-dim);
  border: 1px solid var(--red);
  color: var(--red);
}

.btn-red:hover:not(:disabled) {
  background: rgba(255, 77, 109, 0.2);
}

.btn-red:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-row {
  display: flex;
  gap: 8px;
}

.btn-row .btn {
  flex: 1;
}

/* ── Progress bar ── */
.progress-wrap {
  margin-bottom: 14px;
}

.progress-label-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.progress-label-row span {
  font-size: 0.68rem;
  color: var(--text2);
}

.progress-label-row strong {
  color: var(--text);
}

.progress-track {
  height: 6px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--accent), var(--green));
  transition: width 0.5s ease;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ── Stats ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.stat-box {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  text-align: center;
}

.stat-val {
  font-family: var(--sans);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-key {
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
}

/* ── Violations ── */
.violations-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 260px;
  overflow-y: auto;
}

.violations-list::-webkit-scrollbar {
  width: 4px;
}

.violations-list::-webkit-scrollbar-track {
  background: transparent;
}

.violations-list::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 4px;
}

.violation-item {
  background: var(--surface3);
  border: 1px solid var(--border2);
  border-left: 3px solid;
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.68rem;
  line-height: 1.5;
  animation: slide-in 0.2s ease;
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateX(-6px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.violation-item.missing {
  border-left-color: var(--red);
}

.violation-item.wrong {
  border-left-color: var(--yellow);
}

.violation-item.extra {
  border-left-color: var(--cyan);
}

.violation-item.status {
  border-left-color: var(--accent2);
}

.violation-tag {
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: 6px;
  display: inline-block;
}

.tag-missing {
  background: var(--red-dim);
  color: var(--red);
}

.tag-wrong {
  background: var(--yellow-dim);
  color: var(--yellow);
}

.tag-extra {
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan);
}

.tag-status {
  background: var(--accent-glow);
  color: var(--accent2);
}

.violation-desc {
  color: var(--text2);
  margin-top: 3px;
}

.no-violations {
  text-align: center;
  padding: 28px 0;
  color: var(--green);
  font-size: 0.78rem;
}

.no-violations .big {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 6px;
}

/* ── Endpoints ── */
.endpoint-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 380px;
  overflow-y: auto;
}

.endpoint-list::-webkit-scrollbar {
  width: 4px;
}

.endpoint-list::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 4px;
}

.endpoint-card {
  background: var(--surface3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  overflow: hidden;
}

.endpoint-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}

.method-badge {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 7px;
  border-radius: 5px;
  flex-shrink: 0;
}

.method-GET {
  background: rgba(0, 229, 160, 0.15);
  color: var(--green);
}

.method-POST {
  background: var(--accent-glow);
  color: var(--accent2);
}

.method-PUT {
  background: rgba(255, 209, 102, 0.15);
  color: var(--yellow);
}

.method-PATCH {
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan);
}

.method-DELETE {
  background: var(--red-dim);
  color: var(--red);
}

.endpoint-path {
  font-size: 0.72rem;
  color: var(--text2);
  flex: 1;
}

.endpoint-status {
  font-size: 0.62rem;
  color: var(--text3);
  flex-shrink: 0;
}

.endpoint-toggle {
  font-size: 0.6rem;
  color: var(--text3);
  flex-shrink: 0;
}

.endpoint-body {
  display: none;
  padding: 12px 14px;
}

.endpoint-body.open {
  display: block;
}

.field-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.65rem;
}

.field-table th {
  text-align: left;
  color: var(--text3);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-bottom: 1px solid var(--border);
}

.field-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  vertical-align: top;
}

.field-table tr:last-child td {
  border-bottom: none;
}

.field-table .field-name {
  color: var(--text);
  font-weight: 500;
}

.type-chip {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.58rem;
  font-weight: 600;
}

.type-string {
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan);
}

.type-integer {
  background: var(--accent-glow);
  color: var(--accent2);
}

.type-number {
  background: rgba(255, 209, 102, 0.12);
  color: var(--yellow);
}

.type-boolean {
  background: rgba(0, 229, 160, 0.1);
  color: var(--green);
}

.type-array {
  background: var(--red-dim);
  color: var(--red);
}

.type-object {
  background: rgba(255, 209, 102, 0.1);
  color: var(--yellow);
}

/* ── Score result ── */
.score-box {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  display: none;
}

.score-box.show {
  display: block;
}

.score-big {
  font-family: var(--sans);
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1;
}

.score-big.perfect {
  color: var(--green);
  text-shadow: 0 0 30px rgba(0, 229, 160, 0.4);
}

.score-big.good {
  color: var(--accent2);
}

.score-big.poor {
  color: var(--red);
}

.score-label {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text3);
  margin-top: 6px;
}

/* ── Log ── */
.log-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  max-height: 260px;
  overflow-y: auto;
  font-size: 0.68rem;
  line-height: 1.7;
}

.log-wrap::-webkit-scrollbar {
  width: 4px;
}

.log-wrap::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 4px;
}

.log-entry {
  display: flex;
  gap: 10px;
  padding: 3px 0;
  border-bottom: 1px solid var(--border);
  animation: fade-in 0.2s ease;
}

.log-entry:last-child {
  border-bottom: none;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.log-ts {
  color: var(--text3);
  flex-shrink: 0;
}

.log-type {
  flex-shrink: 0;
  font-weight: 600;
}

.log-type.info {
  color: var(--accent2);
}

.log-type.ok {
  color: var(--green);
}

.log-type.err {
  color: var(--red);
}

.log-type.step {
  color: var(--yellow);
}

.log-msg {
  color: var(--text2);
  word-break: break-all;
}

.log-empty {
  color: var(--text3);
  text-align: center;
  padding: 20px 0;
  font-size: 0.68rem;
}

/* ── Toast ── */
#toast-area {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.7rem;
  color: var(--text);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  animation: toast-in 0.25s ease;
  max-width: 300px;
  border-left: 3px solid;
}

.toast.ok {
  border-left-color: var(--green);
}

.toast.err {
  border-left-color: var(--red);
}

.toast.info {
  border-left-color: var(--accent2);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Spinner ── */
.spin {
  width: 12px;
  height: 12px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 36px 20px;
  color: var(--text3);
  font-size: 0.72rem;
  line-height: 1.8;
}

.empty-state .big-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

.col-full {
  grid-column: 1 / -1;
}

.section-divider {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 4px 0;
}

.section-divider-label {
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text3);
  white-space: nowrap;
}

.section-divider-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}