:root {
        --bg-0: #070c14;
        --bg-1: #0f1a2c;
        --bg-2: #172841;
        --glass: rgba(255, 255, 255, 0.08);
        --glass-strong: rgba(255, 255, 255, 0.16);
        --text-1: #f8f4ec;
        --text-2: #c8c0b3;
        --accent-amber: #ffb454;
        --accent-rose: #ff7b6c;
        --accent-mint: #52d6a0;
        --accent-sky: #5b9dff;
        --accent-purple: #c68bff;
        --shadow: 0 24px 60px rgba(5, 8, 16, 0.6);
        --radius-lg: 30px;
        --radius-md: 18px;
      }

      * {
        box-sizing: border-box;
      }

      body {
        margin: 0;
        font-family: "Kanit", "Space Grotesk", sans-serif;
        color: var(--text-1);
        background: radial-gradient(circle at 18% 12%, rgba(255, 180, 84, 0.18), transparent 32%),
          radial-gradient(circle at 82% 8%, rgba(82, 214, 160, 0.22), transparent 36%),
          radial-gradient(circle at 90% 80%, rgba(91, 157, 255, 0.2), transparent 45%),
          linear-gradient(140deg, var(--bg-1), var(--bg-0) 55%, var(--bg-2));
        min-height: 100vh;
        overflow-x: hidden;
      }

      body::after {
        content: "";
        position: fixed;
        inset: 0;
        background-image: repeating-linear-gradient(
          -45deg,
          rgba(255, 255, 255, 0.04) 0,
          rgba(255, 255, 255, 0.04) 1px,
          transparent 1px,
          transparent 24px
        );
        opacity: 0.5;
        pointer-events: none;
      }

      .page {
        max-width: 1240px;
        margin: 0 auto;
        padding: 40px 24px 80px;
        position: relative;
      }

      .orb {
        position: absolute;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        filter: blur(90px);
        opacity: 0.3;
        z-index: -1;
      }

      .orb.one {
        background: var(--accent-purple);
        top: 60px;
        left: -120px;
      }

      .orb.two {
        background: var(--accent-mint);
        top: 420px;
        right: -120px;
      }

      nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 30px;
      }

      .brand {
        display: flex;
        align-items: center;
        gap: 12px;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        font-size: 0.95rem;
      }

      .brand span {
        display: inline-flex;
        width: 42px;
        height: 42px;
        border-radius: 14px;
        background: linear-gradient(135deg, var(--accent-amber), var(--accent-rose));
        align-items: center;
        justify-content: center;
        font-weight: 700;
        color: var(--bg-0);
        box-shadow: 0 12px 24px rgba(255, 123, 108, 0.35);
      }

      .nav-links {
        display: flex;
        gap: 18px;
        font-weight: 600;
      }

      .nav-links a {
        color: var(--text-2);
        text-decoration: none;
      }

      header {
        display: grid;
        grid-template-columns: 1.05fr 0.95fr;
        gap: 28px;
        align-items: center;
        margin-bottom: 48px;
      }

      .hero {
        background: linear-gradient(130deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: var(--radius-lg);
        padding: 34px;
        box-shadow: var(--shadow);
        backdrop-filter: blur(14px);
        position: relative;
        overflow: hidden;
      }

      .hero h1 {
        font-family: "Space Grotesk", "Kanit", sans-serif;
        font-size: clamp(2.4rem, 3.8vw, 3.9rem);
        letter-spacing: -0.02em;
        margin: 0 0 14px;
      }

      .hero p {
        margin: 0 0 26px;
        color: var(--text-2);
        font-size: 1.05rem;
        line-height: 1.7;
      }

      .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
      }

      .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 20px;
        border-radius: 999px;
        font-weight: 700;
        text-decoration: none;
        color: var(--bg-0);
        background: linear-gradient(120deg, var(--accent-amber), var(--accent-rose));
        box-shadow: 0 12px 26px rgba(255, 123, 108, 0.35);
        transition: transform 0.18s ease, box-shadow 0.18s ease;
      }

      .btn.secondary {
        background: transparent;
        color: var(--text-1);
        border: 1px solid rgba(255, 255, 255, 0.35);
        box-shadow: none;
      }

      .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 16px 32px rgba(255, 180, 84, 0.35);
      }

      .hero-visual {
        background: rgba(6, 9, 17, 0.72);
        border-radius: var(--radius-lg);
        padding: 26px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: var(--shadow);
      }

      .hero-visual svg {
        width: 100%;
        height: auto;
        display: block;
        border-radius: 18px;
      }

      .status-strip {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 12px;
        margin-top: 18px;
      }

      .status-chip {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 14px;
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.12);
        font-size: 0.9rem;
        color: var(--text-2);
      }

      .chip-dot {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--text-1);
        font-weight: 700;
      }

      .chip-dot::before {
        content: "";
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--accent-mint);
        box-shadow: 0 0 12px rgba(82, 214, 160, 0.6);
      }

      .section-title {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        margin: 40px 0 16px;
      }

      .section-title h2 {
        margin: 0;
        font-size: 1.6rem;
      }

      .section-title span {
        color: var(--text-2);
        font-size: 0.95rem;
      }

      .cards {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
      }

      .card {
        background: linear-gradient(150deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.03));
        border-radius: var(--radius-md);
        padding: 20px;
        border: 1px solid rgba(255, 255, 255, 0.14);
        box-shadow: var(--shadow);
        position: relative;
        overflow: hidden;
      }

      .card::after {
        content: "";
        position: absolute;
        inset: auto 0 0;
        height: 4px;
        background: linear-gradient(90deg, var(--accent-amber), var(--accent-mint));
        opacity: 0.85;
      }

      .card h3 {
        margin: 10px 0 8px;
        font-size: 1.2rem;
      }

      .card p {
        margin: 0 0 12px;
        color: var(--text-2);
        line-height: 1.55;
        font-size: 0.98rem;
      }

      .card .meta {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        font-size: 0.85rem;
        color: var(--text-2);
        margin-bottom: 14px;
      }

      .card a {
        color: var(--text-1);
        text-decoration: none;
        font-weight: 700;
        display: inline-flex;
        align-items: center;
        gap: 8px;
      }

      .card .link-btn {
        background: none;
        border: none;
        padding: 0;
        color: var(--text-1);
        font-weight: 700;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        cursor: pointer;
      }

      .card a span {
        display: inline-flex;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.12);
        font-size: 0.9rem;
      }

      .card .link-btn span {
        display: inline-flex;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.12);
        font-size: 0.9rem;
      }

      .service-media {
        width: 100%;
        height: 160px;
        border-radius: 16px;
        overflow: hidden;
        margin-bottom: 14px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        background: radial-gradient(circle at 20% 20%, rgba(255, 180, 84, 0.2), transparent 50%),
          radial-gradient(circle at 80% 0%, rgba(91, 157, 255, 0.2), transparent 48%),
          #11192a;
      }

      .label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 12px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.12);
        font-size: 0.82rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--accent-amber);
        font-weight: 700;
      }

      .status-area {
        margin: 26px 0 32px;
        display: grid;
        gap: 16px;
      }

      .status-card {
        background: rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: var(--shadow);
        padding: 18px;
      }

      .status-card header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 12px;
      }

      .status-table {
        width: 100%;
        border-collapse: collapse;
        color: var(--text-1);
        font-size: 0.95rem;
      }

      .status-table th,
      .status-table td {
        padding: 10px 8px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        text-align: left;
      }

      .pill {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 10px;
        border-radius: 999px;
        font-weight: 700;
        font-size: 0.82rem;
        border: 1px solid rgba(255, 255, 255, 0.12);
      }

      .pill.up {
        color: var(--accent-mint);
        background: rgba(82, 214, 160, 0.15);
      }

      .pill.down {
        color: var(--accent-rose);
        background: rgba(255, 123, 108, 0.15);
      }

      .pill.pending {
        color: var(--text-2);
        background: rgba(255, 255, 255, 0.08);
      }

      .pill.warn {
        color: var(--accent-amber);
        background: rgba(255, 180, 84, 0.16);
      }

      .pill.expired {
        color: var(--accent-rose);
        background: rgba(255, 123, 108, 0.18);
      }

      .pill.unknown {
        color: var(--text-2);
        background: rgba(255, 255, 255, 0.06);
      }

      .status-actions {
        display: flex;
        gap: 10px;
      }

      .ghost-btn {
        background: rgba(255, 255, 255, 0.08);
        color: var(--text-1);
        border: 1px solid rgba(255, 255, 255, 0.18);
        border-radius: 12px;
        padding: 8px 12px;
        font-weight: 700;
        cursor: pointer;
      }

      .ghost-btn:hover {
        border-color: rgba(255, 255, 255, 0.32);
      }

      .mqtt-panel {
        margin-top: 10px;
        display: grid;
        gap: 12px;
      }

      .form-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 10px;
      }

      label {
        display: grid;
        gap: 6px;
        color: var(--text-2);
        font-size: 0.9rem;
      }

      input,
      textarea {
        width: 100%;
        padding: 10px 12px;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.16);
        background: rgba(255, 255, 255, 0.06);
        color: var(--text-1);
        font-size: 0.95rem;
      }

      textarea {
        min-height: 60px;
        resize: vertical;
      }

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

      .mqtt-logs {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 12px;
        padding: 12px;
        font-family: "Space Grotesk", "Kanit", monospace;
        font-size: 0.9rem;
        max-height: 200px;
        overflow: auto;
        color: var(--text-2);
      }

      .modal-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(6, 10, 18, 0.7);
        backdrop-filter: blur(4px);
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 24px;
        z-index: 100;
      }

      .modal {
        width: min(920px, 96vw);
        max-height: 92vh;
        overflow: auto;
        background: #0c1424;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: var(--shadow);
      }

      .modal-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      }

      .modal-header h3 {
        margin: 0;
      }

      .modal-body {
        padding: 20px;
        display: grid;
        gap: 18px;
      }

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

      .field-inline {
        display: grid;
        grid-template-columns: 120px 1fr;
        gap: 10px;
        align-items: center;
      }

      .input-group {
        display: grid;
        grid-template-columns: 110px 1fr;
        gap: 8px;
      }

      select {
        padding: 10px 12px;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.16);
        background: rgba(255, 255, 255, 0.06);
        color: var(--text-1);
        font-size: 0.95rem;
      }

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

      .toggle input {
        appearance: none;
        width: 44px;
        height: 24px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.18);
        position: relative;
        cursor: pointer;
        transition: background 0.2s ease;
      }

      .toggle input::after {
        content: "";
        position: absolute;
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: #0c1424;
        top: 3px;
        left: 3px;
        transition: transform 0.2s ease;
      }

      .toggle input:checked {
        background: var(--accent-mint);
      }

      .toggle input:checked::after {
        transform: translateX(20px);
      }

      .radio-group {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
      }

      .radio-group label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
      }

      .modal-footer {
        padding: 16px 20px 22px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: flex-end;
      }

      .note {
        color: var(--text-2);
        font-size: 0.85rem;
      }

      .badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 12px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.12);
        font-size: 0.85rem;
        font-weight: 700;
      }

      .badge .dot {
        width: 9px;
        height: 9px;
        border-radius: 50%;
      }

      .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 18px;
      }

      .tile {
        background: rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-md);
        padding: 18px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: var(--shadow);
      }

      .tile svg {
        width: 100%;
        height: auto;
        border-radius: 14px;
        display: block;
        margin-bottom: 12px;
      }

      footer {
        margin-top: 56px;
        color: var(--text-2);
        font-size: 0.95rem;
        text-align: center;
      }

      @media (max-width: 980px) {
        header {
          grid-template-columns: 1fr;
        }

        .nav-links {
          display: none;
        }
      }

      @media (max-width: 640px) {
        .hero {
          padding: 26px 22px;
        }

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

        .status-strip {
          grid-template-columns: 1fr;
        }
      }