:root {
  --bg: #f4efe5;
  --bg-strong: #e5dcc8;
  --surface: rgba(255, 251, 245, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --text: #1f2933;
  --muted: #5f6c74;
  --line: rgba(31, 41, 51, 0.12);
  --accent: #176b63;
  --accent-strong: #0f4f49;
  --accent-soft: rgba(23, 107, 99, 0.12);
  --shadow: 0 24px 60px rgba(31, 41, 51, 0.14);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(23, 107, 99, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(183, 132, 87, 0.18), transparent 30%),
    linear-gradient(145deg, #f7f3ea 0%, #ede5d8 55%, #e6ddcf 100%);
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

code {
  padding: 0.12rem 0.38rem;
  border-radius: 999px;
  background: rgba(31, 41, 51, 0.08);
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.94em;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.ambient {
  position: fixed;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(16px);
  opacity: 0.55;
  pointer-events: none;
}

.ambient-left {
  top: -11rem;
  left: -9rem;
  background: rgba(52, 125, 118, 0.26);
}

.ambient-right {
  right: -8rem;
  bottom: -11rem;
  background: rgba(196, 142, 91, 0.22);
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.shell-home,
.shell-error {
  min-height: 100vh;
  display: grid;
  align-content: center;
}

.hero-panel,
.surface-card,
.error-card {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  grid-template-columns: 1.4fr minmax(280px, 360px);
  gap: 1.5rem;
  padding: 2rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), rgba(247, 241, 230, 0.76)),
    rgba(255, 255, 255, 0.45);
}

.hero-panel-browser {
  margin-bottom: 1.25rem;
}

.hero-copy h1,
.surface-card h2,
.error-card h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -0.02em;
}

.hero-copy h1 {
  margin-top: 0.35rem;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 0.95;
}

.eyebrow {
  margin: 0;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.lead,
.muted,
.resource-main span,
.summary-item span,
.small {
  color: var(--muted);
}

.lead {
  max-width: 54ch;
  margin: 1rem 0 0;
  font-size: 1.05rem;
  line-height: 1.7;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.badge,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.52rem 0.88rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 700;
}

.access-card,
.summary-panel,
.surface-card,
.error-card {
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.access-card,
.summary-panel {
  padding: 1.4rem;
  border: 1px solid var(--line);
}

.access-card h2,
.summary-panel h2,
.surface-card h2 {
  font-size: 1.55rem;
}

.access-card p,
.summary-item,
.plain-list,
.empty-state,
.resource-main span {
  line-height: 1.6;
}

.access-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.access-form label {
  font-weight: 700;
}

.access-form input {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(23, 107, 99, 0.18);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--text);
}

.access-form input:focus {
  outline: 2px solid rgba(23, 107, 99, 0.2);
  outline-offset: 2px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
  padding: 0.82rem 1.05rem;
  border: 1px solid rgba(31, 41, 51, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--text);
  font-weight: 700;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: rgba(23, 107, 99, 0.28);
  background: rgba(255, 255, 255, 0.95);
}

.button-primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fffdf9;
}

.button.button-primary:hover,
.button.button-primary:focus-visible {
  border-color: transparent;
  background: linear-gradient(135deg, #1b786f 0%, #0f4f49 100%);
  color: #fffdf9;
}

.button[data-state="success"] {
  background: linear-gradient(135deg, #176b63 0%, #0f4f49 100%);
  color: #fffdf9;
}

.button[data-state="error"] {
  background: linear-gradient(135deg, #b55f47 0%, #8e4938 100%);
  color: #fffdf9;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.surface-card {
  padding: 1.5rem;
  border: 1px solid var(--line);
}

.plain-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.plain-list li + li {
  margin-top: 0.7rem;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.breadcrumbs a {
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  color: var(--accent-strong);
  font-weight: 700;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.summary-panel {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.summary-item {
  display: grid;
  gap: 0.18rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 41, 51, 0.08);
}

.summary-item strong {
  font-size: 1.02rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.resource-list {
  display: grid;
  gap: 0.85rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.resource-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(31, 41, 51, 0.08);
}

.resource-main {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.resource-main > div:not(.resource-preview) {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.resource-main strong {
  overflow-wrap: anywhere;
}

.resource-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.resource-row-preview {
  align-items: flex-start;
}

.resource-row-preview .resource-main {
  align-items: flex-start;
}

.resource-meta {
  align-content: start;
}

.resource-icon {
  flex: 0 0 auto;
  position: relative;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 1rem;
}

.resource-icon svg {
  width: 1.45rem;
  height: 1.45rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.resource-icon-folder {
  background: rgba(191, 142, 77, 0.18);
  color: #8a5823;
}

.resource-icon-file {
  background: rgba(23, 107, 99, 0.14);
  color: var(--accent-strong);
}

.resource-icon-file svg {
  transform: translateY(-0.22rem);
}

.resource-icon-badge {
  position: absolute;
  left: 50%;
  bottom: 0.24rem;
  max-width: calc(100% - 0.45rem);
  transform: translateX(-50%);
  padding: 0.08rem 0.3rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: inherit;
  font-size: 0.48rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.2;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(31, 41, 51, 0.14);
}

.resource-icon-file-pdf {
  background: rgba(190, 53, 45, 0.16);
  color: #9a221d;
}

.resource-icon-file-word {
  background: rgba(40, 92, 174, 0.16);
  color: #214d92;
}

.resource-icon-file-sheet {
  background: rgba(28, 122, 72, 0.16);
  color: #17653c;
}

.resource-icon-file-slide {
  background: rgba(214, 124, 27, 0.16);
  color: #9b5a14;
}

.resource-icon-file-archive {
  background: rgba(168, 113, 22, 0.16);
  color: #8a5b11;
}

.resource-icon-file-executable {
  background: rgba(51, 65, 85, 0.16);
  color: #2a3748;
}

.resource-icon-file-config {
  background: rgba(13, 123, 131, 0.16);
  color: #0c6870;
}

.resource-icon-file-code {
  background: rgba(89, 70, 190, 0.16);
  color: #4f3ea0;
}

.resource-icon-file-text {
  background: rgba(107, 114, 128, 0.16);
  color: #4b5563;
}

.resource-icon-file-audio {
  background: rgba(179, 73, 119, 0.16);
  color: #9e315f;
}

.resource-preview {
  position: relative;
  flex: 0 0 7rem;
  width: 7rem;
  height: 4.8rem;
  overflow: hidden;
  border-radius: 0.85rem;
  background: rgba(31, 41, 51, 0.08);
  border: 1px solid rgba(31, 41, 51, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.resource-preview img,
.resource-preview video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(23, 107, 99, 0.14), rgba(31, 41, 51, 0.1));
}

.resource-preview-badge {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.78);
  color: #fffdf9;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  pointer-events: none;
}

.empty-state {
  margin: 0;
  padding: 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  border: 1px dashed rgba(31, 41, 51, 0.14);
}

.error-card {
  width: min(660px, 100%);
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

.error-card h1 {
  margin-top: 0.5rem;
  font-size: clamp(3.5rem, 9vw, 6rem);
  line-height: 0.9;
}

@media (max-width: 900px) {
  .hero-panel,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .resource-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .resource-preview {
    flex-basis: 6.5rem;
    width: 6.5rem;
    height: 4.4rem;
  }

  .resource-actions {
    width: 100%;
  }

  .resource-actions .button {
    flex: 1 1 180px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 1rem, 100%);
    padding: 1rem 0 2rem;
  }

  .hero-panel,
  .surface-card,
  .error-card {
    padding: 1.2rem;
  }

  .hero-copy h1 {
    font-size: 2.4rem;
  }

  .toolbar,
  .toolbar-actions {
    align-items: stretch;
  }

  .toolbar-actions .button,
  .button {
    width: 100%;
  }

  .breadcrumbs a {
    width: 100%;
  }
}