:root {
  --bg: #f5f1e8;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --surface-muted: #f2ede3;
  --line: rgba(25, 49, 41, 0.14);
  --text: #1b2a24;
  --text-soft: #5d6c66;
  --brand: #8a6a14;
  --brand-deep: #4c662d;
  --brand-soft: #dfd1a7;
  --danger: #9c3b2c;
  --shadow: 0 18px 60px rgba(36, 50, 45, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-sans: "IBM Plex Sans", "Segoe UI", Tahoma, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(223, 209, 167, 0.75), transparent 26%),
    radial-gradient(circle at bottom right, rgba(76, 102, 45, 0.18), transparent 24%),
    linear-gradient(180deg, #f8f4ea 0%, #f0ebdf 100%);
}

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

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1320px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: auto;
  height: 54px;
  object-fit: contain;
}

.brand-block {
  min-width: 0;
}

.brand-kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
}

.brand-title {
  font-size: clamp(1.3rem, 2vw, 2rem);
  font-weight: 700;
}

.login-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 24px;
}

.hero-panel,
.auth-card,
.sidebar-card,
.content-panel,
.message-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-panel {
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -10% -30% auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 106, 20, 0.22), transparent 70%);
}

.hero-chip,
.section-label {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--brand-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-panel h1,
.content-header h1,
.message-card h1,
.auth-card h2 {
  margin: 18px 0 14px;
  line-height: 1.08;
}

.hero-panel p,
.auth-card p,
.message-card p,
.entry-meta,
.metric-row span,
.breadcrumbs,
.mono-block {
  color: var(--text-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.hero-card,
.auth-card,
.sidebar-card,
.message-card {
  padding: 22px;
}

.hero-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.hero-card strong,
.metric-row strong {
  display: block;
  margin-bottom: 6px;
}

.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: min(100%, 460px);
}

.auth-card-header {
  margin-bottom: 18px;
}

.auth-form {
  display: grid;
  gap: 16px;
}

.auth-form label {
  display: grid;
  gap: 8px;
}

.auth-form input,
.search-form input {
  width: 100%;
  border: 1px solid rgba(76, 102, 45, 0.22);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.94);
  padding: 14px 16px;
  color: var(--text);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--brand) 0%, #b2892e 100%);
  color: #fffdf5;
  box-shadow: 0 14px 30px rgba(138, 106, 20, 0.28);
}

.secondary-button {
  background: rgba(76, 102, 45, 0.08);
  color: var(--brand-deep);
  border: 1px solid rgba(76, 102, 45, 0.16);
}

.primary-button:hover,
.secondary-button:hover,
.entry-row:hover {
  transform: translateY(-1px);
}

.wide-button {
  width: 100%;
}

.form-alert {
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(156, 59, 44, 0.08);
  color: var(--danger);
  border: 1px solid rgba(156, 59, 44, 0.16);
}

.explorer-layout {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 24px;
  align-items: start;
}

.sidebar-panel {
  display: grid;
  gap: 16px;
}

.metric-row {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.metric-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.metric-label,
.metric-value {
  min-width: 0;
  line-height: 1.35;
}

.metric-label {
  white-space: nowrap;
}

.metric-value {
  display: block;
  margin-bottom: 0;
  text-align: right;
  white-space: nowrap;
}

.metric-value-truncated {
  max-width: 100%;
  overflow: hidden;
  text-overflow: clip;
}

.content-panel {
  padding: 28px;
}

.content-header {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.content-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.content-header h1 {
  margin: 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.crumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.crumb:not(.current)::after {
  content: "/";
  color: rgba(27, 42, 36, 0.32);
}

.crumb.current {
  color: var(--brand-deep);
  font-weight: 700;
}

.search-form {
  display: flex;
  gap: 12px;
  align-items: center;
  min-width: min(100%, 360px);
}

.search-form input {
  min-width: 240px;
}

.directory-list {
  display: grid;
  gap: 12px;
}

.entry-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.entry-kind {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 14px;
  padding: 6px 10px;
}

.kind-dir {
  background: rgba(76, 102, 45, 0.11);
  color: var(--brand-deep);
}

.kind-pdf {
  background: rgba(214, 69, 61, 0.08);
  color: #d6453d;
}

.kind-file {
  background: rgba(138, 106, 20, 0.11);
  color: var(--brand);
}

.entry-kind-icon {
  display: block;
  flex: 0 0 auto;
}

.entry-kind-icon-folder {
  width: 42px;
  height: 32px;
}

.entry-kind-icon-file {
  width: 28px;
  height: 34px;
}

.entry-main {
  min-width: 0;
}

.entry-name {
  font-size: 1rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.entry-meta {
  margin-top: 6px;
  font-size: 0.92rem;
}

.message-layout {
  display: flex;
  justify-content: center;
  padding-top: 60px;
}

.message-card {
  width: min(720px, 100%);
}

.mono-block {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(27, 42, 36, 0.04);
  border: 1px dashed var(--line);
  font-family: Consolas, "Courier New", monospace;
  overflow-wrap: anywhere;
}

.empty-state {
  padding: 34px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(76, 102, 45, 0.25);
  background: rgba(255, 255, 255, 0.56);
  text-align: center;
}

code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.94em;
}

@media (max-width: 1080px) {
  .login-layout,
  .explorer-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .content-header {
    gap: 16px;
  }

  .content-header-top {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 24px, 100%);
    padding-top: 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .brand-link {
    gap: 14px;
  }

  .brand-logo {
    height: 42px;
  }

  .hero-panel,
  .auth-card,
  .content-panel,
  .sidebar-card,
  .message-card {
    padding: 20px;
  }

  .entry-row {
    grid-template-columns: 1fr;
  }

  .search-form {
    flex-direction: column;
    align-items: stretch;
    min-width: 0;
  }

  .search-form input {
    min-width: 0;
  }
}