* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.45;
}

.page-center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

h1,
h2,
h3 {
  margin: 0;
}

p {
  margin: 0;
  color: var(--text-muted);
}

form {
  margin-top: 14px;
}

.card form button {
  width: 100%;
}

input,
select,
button {
  padding: 10px 12px;
  margin-top: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-offset);
  color: var(--text-primary);
  font: inherit;
  transition: border-color var(--transition-ui), background var(--transition-ui), color var(--transition-ui);
}

input:focus,
select:focus,
button:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  width: auto;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
}

input,
select {
  width: 100%;
}

button:hover {
  background: var(--accent-hover);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.error {
  color: var(--error);
  margin-top: 10px;
}

.success {
  color: var(--success);
  margin-top: 10px;
}

.layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.sidebar {
  border-right: 1px solid var(--divider);
  padding: 20px 16px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar h2 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0 4px 2px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.sidebar li {
  margin: 0;
  width: 100%;
  min-width: 0;
}

.sidebar .nav-btn {
  width: 100%;
  margin-top: 0;
  min-height: 44px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  line-height: 1.3;
  word-wrap: break-word;
}

.sidebar .nav-btn:hover {
  background: var(--surface-offset);
  color: var(--text-primary);
  border-color: var(--divider);
}

.sidebar .nav-btn.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(79, 152, 163, 0.25);
}

.content {
  padding: 20px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.panel-card {
  border: 1px solid var(--divider);
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: var(--shadow-sm);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--divider);
}

.role-text {
  color: var(--text-muted);
}

.section-wrap {
  margin-top: 20px;
}

#logout-btn {
  max-width: 180px;
}

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

.btn-secondary:hover {
  background: var(--surface-offset);
  color: var(--text-primary);
}

.nav-backdrop {
  display: none;
}

.nav-menu-btn {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 0;
}

@media (max-width: 900px) {
  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 190;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
  }

  body.menu-open .nav-backdrop {
    opacity: 1;
    visibility: visible;
  }

  body.menu-open {
    overflow: hidden;
  }

  .layout {
    display: block;
    min-height: 100dvh;
    min-height: 100vh;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: min(280px, calc(100vw - 48px));
    max-height: 100dvh;
    height: 100%;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    overflow-y: auto;
    padding-top: max(20px, env(safe-area-inset-top, 0px));
    padding-bottom: max(20px, env(safe-area-inset-bottom, 0px));
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: 16px;
    box-shadow: var(--shadow-md);
  }

  body.menu-open .sidebar {
    transform: translateX(0);
  }

  .content {
    width: 100%;
    padding: max(12px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) 20px
      max(16px, env(safe-area-inset-left, 0px));
  }

  .page-header {
    padding-top: max(0px, env(safe-area-inset-top, 0px));
    padding-bottom: 14px;
    gap: 10px;
    align-items: flex-start;
  }

  .nav-menu-btn {
    display: inline-flex;
    margin-top: 0;
  }

  .page-header-user {
    flex: 1;
    min-width: 0;
  }

  .page-center {
    padding: max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px))
      max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
    min-height: 100dvh;
    min-height: 100vh;
  }
}