.project-page-wrapper {
  min-height: 100vh;
  padding: clamp(5.5rem, 9vw, 8rem) 0 clamp(4rem, 8vw, 7rem);
  background: var(--gradient-background);
}

[data-theme="light"] .project-page-wrapper,
[data-theme="light"] .project-header,
[data-theme="light"] .project-card,
[data-theme="light"] .input-panel,
[data-theme="light"] .action-panel,
[data-theme="light"] .performance-tool,
[data-theme="light"] .result-box,
[data-theme="light"] .history-panel,
[data-theme="light"] .performance-result {
  background: var(--gradient-background);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

[data-theme="light"] .project-header,
[data-theme="light"] .project-card,
[data-theme="light"] .input-panel,
[data-theme="light"] .action-panel,
[data-theme="light"] .performance-tool,
[data-theme="light"] .result-box,
[data-theme="light"] .history-panel,
[data-theme="light"] .performance-result {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .project-badge,
[data-theme="light"] .project-card-icon,
[data-theme="light"] .unit-mode-control,
[data-theme="light"] .unit-mode-control select,
[data-theme="light"] .input-group input,
[data-theme="light"] .performance-field input,
[data-theme="light"] .analyzer-btn-primary,
[data-theme="light"] .analyzer-btn-secondary,
[data-theme="light"] .analyzer-btn-neutral {
  border-radius: var(--radius-md);
}

[data-theme="light"] .project-badge {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border: 1px solid var(--color-accent-soft);
}

[data-theme="light"] .project-card-icon {
  background: var(--gradient-surface);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

[data-theme="light"] .project-description,
[data-theme="light"] .input-group label,
[data-theme="light"] .performance-field span,
[data-theme="light"] .result-line {
  color: var(--color-text-secondary);
}

[data-theme="light"] .analyzer-btn-primary,
[data-theme="light"] .form-submit-btn {
  background: var(--gradient-main);
  color: #ffffff;
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .analyzer-btn-secondary,
[data-theme="light"] .analyzer-btn-neutral {
  background: var(--color-surface-solid);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.project-page-wrapper .container {
  width: min(1320px, 100% - 3rem);
}

.project-header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .75rem 2rem;
  align-items: end;
  margin-bottom: clamp(2rem, 5vw, 3.75rem);
  padding: clamp(1.75rem, 4vw, 3.25rem);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-info) 22%, var(--color-border));
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-surface) 90%, transparent), color-mix(in srgb, var(--color-accent-soft) 25%, transparent)),
    var(--color-surface);
  box-shadow: var(--shadow-md);
}

.project-header::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: linear-gradient(115deg, transparent, color-mix(in srgb, var(--color-info) 8%, transparent));
  content: "";
  pointer-events: none;
}

.project-header::after {
  position: absolute;
  right: 12%;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-info), transparent);
  content: "";
  opacity: .85;
}

.project-header h1,
.project-header .lead-text,
.unit-mode-control {
  position: relative;
  z-index: 1;
}

.project-header h1 {
  grid-column: 1;
  max-width: 800px;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  letter-spacing: -.055em;
  text-shadow: 0 0 35px color-mix(in srgb, var(--color-info) 15%, transparent);
}

.project-header .lead-text {
  grid-column: 1;
  max-width: 650px;
  margin-top: .35rem;
  color: var(--color-text-secondary);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.unit-mode-control {
  display: grid;
  grid-template-columns: auto minmax(8rem, auto);
  align-items: center;
  gap: .75rem;
  padding: .7rem .8rem .7rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface-solid) 72%, transparent);
  box-shadow: var(--shadow-sm);
}

.unit-mode-control label {
  color: var(--color-text-muted);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.unit-mode-control select,
.input-group input,
.performance-field input {
  width: 100%;
  min-height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-solid);
  color: var(--color-text-primary);
  font: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.unit-mode-control select {
  min-height: 2.3rem;
  padding: .4rem .65rem;
}

.project-card {
  position: relative;
  margin-top: 1.5rem;
  padding: clamp(1.2rem, 3vw, 2.2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-surface) 89%, transparent);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.project-card-top {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.1rem;
  align-items: start;
}

.project-card-icon {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--gradient-surface);
  color: var(--color-accent);
  font-size: 1.2rem;
  box-shadow: 0 0 25px color-mix(in srgb, var(--color-accent) 15%, transparent);
}

.project-badge {
  width: fit-content;
  margin-bottom: .55rem;
  padding: .3rem .6rem;
  border: 1px solid var(--color-accent-soft);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.project-card h2 {
  max-width: 900px;
  font-size: clamp(1.65rem, 3.2vw, 2.7rem);
}

.project-description {
  max-width: 850px;
  margin-top: .7rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.analyzer-layout {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 1rem;
  margin-top: 2rem;
}

.input-panel,
.action-panel,
.performance-tool,
.result-box,
.history-panel,
.performance-result {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface-solid) 62%, transparent);
}

.input-panel,
.action-panel {
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.input-panel > h3,
.action-panel > h3 {
  display: flex;
  align-items: center;
  gap: .7rem;
  color: var(--color-text-primary);
  font-size: .82rem;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.input-panel > h3::before,
.action-panel > h3::before {
  display: block;
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
  content: "";
}

.input-grid,
.performance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.3rem;
}

.input-group,
.performance-field {
  display: grid;
  gap: .4rem;
}

.input-group label,
.performance-field span {
  color: var(--color-text-secondary);
  font-size: .78rem;
  font-weight: 700;
}

.input-group input,
.performance-field input {
  padding: .65rem .75rem;
}

.input-group input::placeholder,
.performance-field input::placeholder {
  color: var(--color-text-muted);
  opacity: .72;
}

.input-group input:hover,
.performance-field input:hover,
.unit-mode-control select:hover {
  border-color: var(--color-border-strong);
}

.input-group input:focus,
.performance-field input:focus,
.unit-mode-control select:focus {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-surface-solid) 88%, var(--color-accent-soft));
  box-shadow: 0 0 0 4px var(--color-accent-soft);
  outline: none;
}

.input-group-wide {
  grid-column: 1 / -1;
}

.button-row,
.performance-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.25rem;
}

.analyzer-btn {
  min-height: 2.75rem;
  padding: .65rem .9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
  font-size: .78rem;
  font-weight: 800;
  line-height: 1.2;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.analyzer-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.analyzer-btn-primary,
.analyzer-btn-secondary {
  color: #ffffff;
}

.analyzer-btn-primary {
  border-color: var(--color-accent);
  background: var(--gradient-main);
}

.analyzer-btn-secondary {
  border-color: var(--color-info);
  background: color-mix(in srgb, var(--color-info) 72%, var(--color-accent-strong));
}

.analyzer-btn-neutral {
  border-color: var(--color-border-strong);
  background: var(--color-surface-solid);
  color: var(--color-text-primary);
}

.analyzer-manual {
  margin-top: 1.35rem;
}

.analyzer-manual-toggle {
  width: 100%;
  text-align: left;
}

.analyzer-manual-toggle::after {
  float: right;
  content: "+";
  color: var(--color-accent);
  font-size: 1.1rem;
  line-height: 1;
}

.analyzer-manual-toggle[aria-expanded="true"]::after {
  content: "-";
}

.analyzer-manual-panel {
  margin-top: .7rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-accent-soft) 28%, var(--color-surface-solid));
  animation: projectPanelIn var(--transition-base) both;
}

.analyzer-manual-panel[hidden] {
  display: none;
}

.analyzer-manual-panel h4,
.analyzer-manual-panel h5 {
  color: var(--color-text-primary);
}

.analyzer-manual-panel h4 {
  font-size: 1rem;
}

.analyzer-manual-panel h5 {
  margin-top: 1rem;
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.analyzer-manual-panel p,
.analyzer-manual-panel li {
  margin-top: .55rem;
  color: var(--color-text-secondary);
  font-size: .82rem;
  line-height: 1.65;
}

.analyzer-manual-panel ul {
  display: grid;
  gap: .25rem;
  margin: .8rem 0 0 1.1rem;
}

.analyzer-helper-note {
  color: var(--color-info) !important;
  font-size: .75rem !important;
}

.result-box {
  min-height: 8.5rem;
  margin-top: 1.25rem;
  padding: 1rem;
  border-color: color-mix(in srgb, var(--color-accent) 30%, var(--color-border));
  background: linear-gradient(145deg, color-mix(in srgb, var(--color-accent-soft) 34%, transparent), transparent), var(--color-surface-solid);
}

.result-box h4,
.history-panel h4,
.performance-result h3 {
  color: var(--color-text-primary);
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.result-box p,
.performance-result p {
  color: var(--color-text-secondary);
  font-size: .86rem;
}

.result-placeholder {
  margin-top: .75rem;
  color: var(--color-text-muted) !important;
}

.result-error,
.performance-error {
  margin-top: .75rem;
  color: var(--error) !important;
  font-weight: 650;
}

.result-line {
  display: grid;
  grid-template-columns: minmax(9rem, .8fr) minmax(0, 1.2fr);
  gap: .7rem;
  margin-top: .7rem;
  padding: .55rem .65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
}

.result-line strong {
  color: var(--color-text-primary);
  text-align: right;
}

.history-panel {
  margin-top: 1.25rem;
  overflow: hidden;
}

.history-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.history-panel-header .analyzer-btn {
  min-height: 2.2rem;
  padding: .45rem .65rem;
  font-size: .7rem;
}

.history-table-wrap {
  overflow-x: auto;
}

.history-table {
  width: 100%;
  min-width: 590px;
  border-collapse: collapse;
  font-size: .75rem;
}

.history-table th,
.history-table td {
  padding: .7rem .8rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  text-align: left;
  white-space: nowrap;
}

.history-table th {
  color: var(--color-text-muted);
  font-size: .64rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.history-table tbody tr:last-child td {
  border-bottom: 0;
}

.history-table tbody tr:hover td {
  background: var(--color-accent-soft);
  color: var(--color-text-primary);
}

.history-empty {
  padding: 1.1rem .8rem !important;
  color: var(--color-text-muted) !important;
  text-align: center !important;
  white-space: normal !important;
}

.toolkit-project-card {
  margin-top: 2rem;
}

.performance-tool {
  margin-top: 1.35rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.performance-error {
  min-height: 1.25rem;
}

.performance-result {
  margin-top: 1.25rem;
  padding: 1rem;
  background: linear-gradient(145deg, color-mix(in srgb, var(--color-info) 10%, transparent), transparent), var(--color-surface-solid);
}

.performance-result p {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .65rem;
  padding-top: .65rem;
  border-top: 1px solid var(--color-border);
}

.performance-result strong {
  color: var(--color-accent);
  font-size: 1.1rem;
}

.performance-note {
  margin-top: 1rem;
  color: var(--color-text-muted);
  font-size: .72rem;
  letter-spacing: .05em;
  text-align: right;
}

.fade-section {
  animation: projectReveal .75s var(--transition-base) both;
}

.toolkit-project-card {
  animation-delay: .12s;
}

@keyframes projectReveal {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes projectPanelIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .analyzer-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .project-page-wrapper {
    padding-top: 4.5rem;
  }

  .project-page-wrapper .container {
    width: min(100% - 1rem, 1320px);
  }

  .project-header,
  .project-card,
  .input-panel,
  .action-panel,
  .performance-tool,
  .result-box,
  .history-panel,
  .performance-result,
  .project-card-content,
  .project-card-top {
    min-width: 0;
  }

  .project-header {
    grid-template-columns: 1fr;
    padding: 1.35rem;
  }

  .project-header h1,
  .project-header .lead-text,
  .project-card h2,
  .project-description,
  .input-group,
  .performance-field,
  .result-box,
  .performance-result p {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .project-header h1,
  .project-header .lead-text {
    grid-column: 1;
  }

  .unit-mode-control {
    grid-template-columns: 1fr;
    gap: .4rem;
    margin-top: .5rem;
  }

  .project-card {
    padding: 1rem;
    border-radius: var(--radius-md);
  }

  .project-card-top {
    grid-template-columns: 1fr;
  }

  .project-card-icon {
    width: 2.8rem;
    height: 2.8rem;
  }

  .input-grid,
  .performance-grid {
    grid-template-columns: 1fr;
    gap: .85rem;
  }

  .input-group-wide {
    grid-column: auto;
  }

  .button-row,
  .performance-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .analyzer-btn {
    width: 100%;
  }

  .result-line {
    grid-template-columns: 1fr;
    gap: .15rem;
  }

  .result-line strong {
    text-align: left;
  }

  .history-panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .history-panel-header .analyzer-btn {
    width: auto;
  }

  .history-table {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
    word-break: break-word;
  }

  .history-table th,
  .history-table td {
    white-space: normal;
    word-break: break-word;
  }

  .performance-result p {
    align-items: flex-start;
    flex-direction: column;
    gap: .2rem;
  }
}

@media (max-width: 650px) {
  .project-page-wrapper {
    padding-top: 4.8rem;
  }

  .project-page-wrapper .container {
    width: min(100% - 1.25rem, 1320px);
  }

  .project-header {
    padding: 1.35rem;
  }

  .button-row,
  .performance-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .analyzer-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-card,
  .analyzer-btn,
  .fade-section,
  .analyzer-manual-panel {
    animation: none;
    transition: none;
  }
}