:root {
  --bg: #07080a;
  --bg-soft: #0c0f0d;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --ink: #f4f5f0;
  --muted: #9aa39a;
  --green-300: #7be08a;
  --green-400: #58d968;
  --green-500: #3ac250;
  --green-900: #0d2b14;
  --red-400: #ff6b5c;
  --red-900: #2a0f0e;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

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

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

.sidebar {
  width: 220px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

.nav-toggle-checkbox {
  display: none;
}

.sidebar-header {
  display: block;
}

.sidebar-logo {
  font-weight: 800;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  padding: 0 8px;
}

.sidebar-logo span {
  color: var(--green-400);
}

.nav-toggle-btn {
  display: none;
}

.burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.nav-link {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: background-color 0.15s, color 0.15s;
}

.nav-link:hover {
  background: var(--surface);
  color: var(--ink);
}

.nav-link.active {
  background: var(--green-900);
  color: var(--green-300);
}

.nav-spacer {
  flex: 1;
}

.logout-form button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--red-400);
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
}

.logout-form button:hover {
  border-color: var(--red-400);
}

.main {
  flex: 1;
  padding: 36px 40px;
  max-width: 1100px;
}

h1 {
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 4px;
}

h2 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--green-400);
  margin: 32px 0 12px;
}

.subtitle {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 28px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 22px;
  margin-bottom: 14px;
}

.flash {
  background: var(--green-900);
  border: 1px solid rgba(58, 194, 80, 0.4);
  color: var(--green-300);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.flash.error {
  background: var(--red-900);
  border-color: rgba(255, 107, 92, 0.4);
  color: var(--red-400);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn:hover {
  border-color: var(--green-400);
  color: var(--green-400);
}

.btn-primary {
  background: var(--green-500);
  border-color: var(--green-500);
  color: #06170a;
}

.btn-primary:hover {
  background: var(--green-400);
  border-color: var(--green-400);
  color: #06170a;
}

.btn-danger {
  color: var(--red-400);
  border-color: rgba(255, 107, 92, 0.35);
}

.btn-danger:hover {
  border-color: var(--red-400);
  color: var(--red-400);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.68rem;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.68rem;
  color: var(--green-300);
  background: var(--green-900);
}

tr:hover td {
  background: var(--surface);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.table-wrap table {
  margin: 0;
}

.table-wrap .table-wrap {
  border: none;
}

label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
input[type="url"],
textarea,
select {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--ink);
  font-family: var(--font);
  font-size: 0.85rem;
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--green-400);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

.field {
  margin-bottom: 16px;
}

.field-hint {
  font-size: 0.72rem;
  color: var(--muted);
  margin: 10px 0 6px;
}

.image-preview {
  display: block;
  max-width: 220px;
  max-height: 140px;
  width: auto;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 10px;
  object-fit: cover;
}

input[type="file"] {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.78rem;
}

.tag-input {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 8px;
}

.tag-input:focus-within {
  border-color: var(--green-400);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px 4px 10px;
  border-radius: 999px;
  background: var(--green-900);
  color: var(--green-300);
  font-size: 0.75rem;
  white-space: nowrap;
}

.tag-chip button {
  background: none;
  border: none;
  color: var(--green-300);
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
  padding: 2px;
}

.tag-input-field {
  flex: 1;
  min-width: 140px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ink);
  font-family: var(--font);
  font-size: 0.85rem;
  padding: 4px 2px;
}

.image-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.image-input-row input[type="text"] {
  flex: 1;
}

.image-input-row input[type="file"] {
  width: auto;
  max-width: 220px;
  flex-shrink: 0;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.checkbox-row input {
  width: auto;
}

.checkbox-row label {
  margin: 0;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chip button {
  background: none;
  border: none;
  color: var(--red-400);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  padding: 0;
}

.inline-form {
  display: flex;
  gap: 8px;
}

.inline-form input {
  flex: 1;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
  max-width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
}

.login-card h1 {
  text-align: center;
  margin-bottom: 24px;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot.on {
  background: var(--green-400);
}

.status-dot.off {
  background: var(--red-400);
}

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

.empty {
  color: var(--muted);
  font-size: 0.85rem;
  padding: 30px 0;
  text-align: center;
}

@media (max-width: 768px) {
  .layout {
    flex-direction: column;
    min-height: auto;
  }

  .sidebar {
    width: auto;
    padding: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 20;
  }

  .sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
  }

  .sidebar-logo {
    margin-bottom: 0;
    padding: 0;
  }

  .nav-toggle-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
  }

  .nav-toggle-btn:hover {
    background: var(--surface);
  }

  .nav-toggle-checkbox:checked ~ .sidebar-header .burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle-checkbox:checked ~ .sidebar-header .burger-line:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle-checkbox:checked ~ .sidebar-header .burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .sidebar-nav {
    max-height: 0;
    overflow: hidden;
    padding: 0 16px;
    gap: 4px;
    transition: max-height 0.25s ease, padding 0.25s ease;
  }

  .nav-toggle-checkbox:checked ~ .sidebar-nav {
    max-height: 60vh;
    overflow-y: auto;
    padding: 4px 16px 16px;
  }

  .nav-spacer {
    display: none;
  }

  .logout-form button {
    width: 100%;
  }

  .main {
    padding: 20px 16px;
    max-width: 100%;
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .image-input-row {
    flex-direction: column;
    align-items: stretch;
  }

  .image-input-row input[type="file"] {
    width: 100%;
    max-width: none;
  }

  .toolbar {
    align-items: flex-start;
  }

  .inline-form {
    flex-wrap: wrap;
  }

  .inline-form input {
    flex-basis: 100%;
  }

  .login-wrap {
    padding: 20px;
  }

  .login-card {
    padding: 24px 20px;
  }

  table {
    font-size: 0.76rem;
  }

  th, td {
    padding: 8px 10px;
  }
}