        * { box-sizing: border-box; }
        body {
            background: #0a0a0f;
            font-family: 'Rajdhani', 'Noto Sans Thai', sans-serif;
            color: #e0e0e0;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        /* Main container spacing */
        .max-w-6xl {
            max-width: 72rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
            padding-top: 1.5rem;
            padding-bottom: 1.5rem;
        }

        /* Tailwind CSS Fallback - Spacing */
        .mb-6 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 0.5rem; }
        .mt-4 { margin-top: 1rem; }
        .p-6 { padding: 1.5rem; }
        .p-4 { padding: 1rem; }
        .p-3 { padding: 0.75rem; }
        .px-4 { padding-left: 1rem; padding-right: 1rem; }
        .py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

        /* Tailwind CSS Fallback - Layout */
        .flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .inline-flex { display: inline-flex; }
        .grid { display: grid; }
        .block { display: block; }
        .gap-3 { gap: 0.75rem; }
        .gap-4 { gap: 1rem; }
        .gap-12 { gap: 3rem; }
        .gap-8 { gap: 2rem; }
        .gap-2 { gap: 0.5rem; }
        .items-center { align-items: center; }
        .items-start { align-items: flex-start; }
        .justify-between { justify-content: space-between; }
        .justify-center { justify-content: center; }
        .text-center { text-align: center; }

        /* Tailwind CSS Fallback - Typography */
        .text-xl { font-size: 1.25rem; line-height: 1.75rem; }
        .text-sm { font-size: 0.875rem; line-height: 1.25rem; }
        .text-xs { font-size: 0.75rem; line-height: 1rem; }
        .text-2xl { font-size: 1.5rem; line-height: 2rem; }
        .text-gray-400 { color: #9ca3af; }
        .text-gray-500 { color: #6b7280; }
        .text-gray-600 { color: #4b5563; }
        .text-cyber-primary { color: #00f0ff; }
        .text-green-400 { color: #4ade80; }
        .text-red-400 { color: #f87171; }
        .text-yellow-400 { color: #facc15; }
        .text-blue-400 { color: #60a5fa; }
        .font-bold { font-weight: 700; }
        .font-semibold { font-weight: 600; }
        .font-orbitron { font-family: 'Orbitron', monospace; }

        /* Tailwind CSS Fallback - Sizes */
        .w-full { width: 100%; }
        .h-full { height: 100%; }
        .min-h-\\[100vh\\] { min-height: 100vh; }
        .max-w-\\[150px\\] { max-width: 150px; }
        .max-w-\\[200px\\] { max-width: 200px; }

        /* Tailwind CSS Fallback - Other */
        .truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
        .transition { transition-property: color, background-color, border-color; transition-duration: 150ms; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
        .rounded-lg { border-radius: 0.5rem; }
        .border { border-width: 1px; border-style: solid; }
        .border-b { border-bottom-width: 1px; border-bottom-style: solid; }

        /* Animated Background */
        .cyber-bg {
            position: fixed;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(112, 0, 255, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 50%, rgba(255, 0, 170, 0.05) 0%, transparent 50%),
                linear-gradient(180deg, #0a0a0f 0%, #0f0f1a 100%);
            z-index: -2;
        }

        .grid-overlay {
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: -1;
            /* animation: gridMove 20s linear infinite; ปิดเพื่อลด repaint */
        }

        /* @keyframes gridMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        } */

        .particles {
            position: fixed;
            inset: 0;
            overflow: hidden;
            z-index: -1;
            pointer-events: none;
        }

        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: #00f0ff;
            border-radius: 50%;
            animation: float 8s infinite;
            opacity: 0.5;
            will-change: transform;
            transform: translateZ(0);
        }

        /* Glass Card */
        .glass-card {
            background: rgba(18, 18, 26, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            will-change: transform;
            transform: translateZ(0);
        }

        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 8px 40px rgba(0, 240, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }

        /* Neon Button */
        .btn-neon {
            position: relative;
            padding: 12px 24px;
            font-family: 'Orbitron', monospace;
            font-weight: 600;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #00f0ff;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(112, 0, 255, 0.1));
            border: 1px solid #00f0ff;
            border-radius: 8px;
            cursor: pointer;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .btn-neon::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent, rgba(0, 240, 255, 0.2), transparent);
            transform: translateX(-100%);
            transition: transform 0.5s;
        }

        .btn-neon:hover::before {
            transform: translateX(100%);
        }

        .btn-neon:hover {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(112, 0, 255, 0.2));
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4), 0 0 40px rgba(0, 240, 255, 0.2);
            text-shadow: 0 0 10px #00f0ff;
        }

        .btn-neon:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .btn-secondary {
            color: #7000ff;
            border-color: #7000ff;
            background: linear-gradient(135deg, rgba(112, 0, 255, 0.1), rgba(255, 0, 170, 0.1));
        }

        .btn-secondary:hover {
            background: linear-gradient(135deg, rgba(112, 0, 255, 0.2), rgba(255, 0, 170, 0.2));
            box-shadow: 0 0 20px rgba(112, 0, 255, 0.4), 0 0 40px rgba(112, 0, 255, 0.2);
            text-shadow: 0 0 10px #7000ff;
        }

        .btn-success {
            color: #00ff88;
            border-color: #00ff88;
            background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 240, 255, 0.1));
        }

        .btn-success:hover {
            background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 240, 255, 0.2));
            box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
            text-shadow: 0 0 10px #00ff88;
        }

        .btn-danger {
            color: #ff3366;
            border-color: #ff3366;
            background: linear-gradient(135deg, rgba(255, 51, 102, 0.1), rgba(255, 0, 170, 0.1));
        }

        .btn-danger:hover {
            background: linear-gradient(135deg, rgba(255, 51, 102, 0.2), rgba(255, 0, 170, 0.2));
            box-shadow: 0 0 20px rgba(255, 51, 102, 0.4);
        }

        /* Navigation Tabs */
        .nav-tabs {
            display: flex;
            gap: 8px;
            padding: 8px;
            background: rgba(18, 18, 26, 0.6);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            border: 1px solid rgba(0, 240, 255, 0.15);
            overflow-x: auto;
        }

        .nav-tab {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            font-family: 'Orbitron', monospace;
            font-size: 13px;
            font-weight: 600;
            color: #8080a0;
            background: transparent;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-tab i {
            color: #b0b0d0;
        }

        .nav-tab:hover {
            color: #00f0ff;
            background: rgba(0, 240, 255, 0.1);
        }

        .nav-tab:hover i {
            color: #00f0ff;
            border-color: rgba(0, 240, 255, 0.5);
            background: rgba(0, 240, 255, 0.15);
        }

        .nav-tab.active {
            color: #0a0a0f;
            background: linear-gradient(135deg, #00f0ff, #7000ff);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
        }

        .nav-tab.active i {
            color: #0a0a0f;
            border-color: rgba(10, 10, 15, 0.3);
            background: rgba(10, 10, 15, 0.2);
        }

        .nav-tab i {
            font-size: 16px;
            padding: 3px;
            border: 1px solid rgba(176, 176, 208, 0.2);
            border-radius: 4px;
            background: rgba(176, 176, 208, 0.08);
        }

        /* Form Elements */
        textarea, input[type="text"] {
            width: 100%;
            padding: 14px 16px;
            font-family: 'Rajdhani', monospace;
            font-size: 14px;
            color: #e0e0e0;
            background: rgba(10, 10, 15, 0.8);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 10px;
            resize: vertical;
            transition: all 0.3s ease;
        }

        textarea:focus, input[type="text"]:focus {
            outline: none;
            border-color: #00f0ff;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            background: rgba(10, 10, 15, 0.95);
        }

        textarea::placeholder, input[type="text"]::placeholder {
            color: #606080;
        }

        /* Results Area */
        .results-area {
            position: relative;
            min-height: 150px;
            max-height: 400px;
            overflow-y: auto;
            padding: 16px;
            font-family: 'Rajdhani', monospace;
            font-size: 14px;
            line-height: 1.6;
            background: rgba(10, 10, 15, 0.9);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: 10px;
        }

        .results-area::-webkit-scrollbar {
            width: 8px;
        }

        .results-area::-webkit-scrollbar-track {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 4px;
        }

        .results-area::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, #00f0ff, #7000ff);
            border-radius: 4px;
        }

        /* Status Badges */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
        }

        .badge-live {
            background: rgba(0, 255, 136, 0.15);
            color: #00ff88;
            border: 1px solid rgba(0, 255, 136, 0.3);
        }

        .badge-die {
            background: rgba(255, 51, 102, 0.15);
            color: #ff3366;
            border: 1px solid rgba(255, 51, 102, 0.3);
        }

        .badge-checking {
            background: rgba(255, 170, 0, 0.15);
            color: #ffaa00;
            border: 1px solid rgba(255, 170, 0, 0.3);
        }

        /* Code Display */
        .code-display {
            font-family: 'Orbitron', monospace;
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 8px;
            text-align: center;
            color: #00f0ff;
            text-shadow: 0 0 20px #00f0ff, 0 0 40px #00f0ff;
            padding: 20px;
            background: rgba(0, 240, 255, 0.05);
            border: 2px solid rgba(0, 240, 255, 0.3);
            border-radius: 12px;
            min-height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Timer Bar */
        .timer-bar {
            height: 6px;
            background: linear-gradient(90deg, #00f0ff, #7000ff);
            border-radius: 3px;
            transition: width 1s linear;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

        .timer-text {
            font-family: 'Orbitron', monospace;
            font-size: 14px;
            color: #00f0ff;
            text-align: center;
            margin-top: 8px;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 12px;
        }

        .stat-card {
            padding: 20px;
            background: rgba(10, 10, 15, 0.8);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: 10px;
            text-align: center;
        }

        .stat-value {
            font-family: 'Orbitron', monospace;
            font-size: 36px;
            font-weight: 700;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 14px;
            font-weight: 600;
            color: #8080a0;
            margin-top: 6px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Progress Overlay */
        .progress-overlay {
            position: fixed;
            inset: 0;
            display: none;
            align-items: center;
            justify-content: center;
            background: rgba(10, 10, 15, 0.95);
            z-index: 1000;
        }

        .progress-overlay.active {
            display: flex;
        }

        /* Progress Bar (ใน overlay) */
        .pbar-wrap {
            width: 300px;
            max-width: 80vw;
            margin: 16px auto 0;
            display: none;
        }

        .pbar-track {
            height: 10px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 6px;
            overflow: hidden;
        }

        .pbar-fill {
            height: 100%;
            width: 0%;
            background: linear-gradient(90deg, #00f0ff, #7000ff);
            border-radius: 6px;
            transition: width 0.3s ease;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
        }

        .pbar-pct {
            font-family: 'Orbitron', monospace;
            font-size: 16px;
            font-weight: 700;
            color: #00f0ff;
            margin-top: 10px;
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
        }

        .radar-spinner {
            width: 120px;
            height: 120px;
            position: relative;
            display: block !important;
            margin-left: auto !important;
            margin-right: auto !important;
        }

        .radar-spinner::before {
            content: '';
            position: absolute;
            inset: 0;
            border: 2px solid transparent;
            border-top-color: #00f0ff;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        .radar-spinner::after {
            content: '';
            position: absolute;
            inset: 15px;
            border: 2px solid transparent;
            border-top-color: #7000ff;
            border-radius: 50%;
            animation: spin 1.5s linear infinite reverse;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Email Table */
        .email-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
        }

        .email-table th {
            padding: 12px;
            text-align: left;
            font-family: 'Orbitron', monospace;
            font-weight: 600;
            color: #00f0ff;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            background: rgba(0, 240, 255, 0.05);
        }

        .email-table td {
            padding: 12px;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .email-table tr:hover td {
            background: rgba(0, 240, 255, 0.05);
        }

        /* Email Table Responsive */
        @media (max-width: 768px) {
            .email-table {
                display: none;
            }
        }

        /* Mail Card Layout (Mobile) */
        .mail-acc-header {
            background: rgba(0, 240, 255, 0.08);
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }

        .mail-card {
            background: rgba(18, 18, 26, 0.8);
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.08);
        }

        /* Code Badge */
        .code-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            font-family: 'Orbitron', monospace;
            font-size: 14px;
            font-weight: 700;
            color: #0a0a0f;
            background: linear-gradient(135deg, #00f0ff, #00ff88);
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .code-badge:hover {
            transform: scale(1.05);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
        }

        /* Stat Copy Button - Mini Neon Button */
        .stat-copy-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            margin-top: 4px;
            font-family: 'Orbitron', monospace;
            font-size: 11px;
            font-weight: 600;
            color: #00f0ff;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(112, 0, 255, 0.1));
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .stat-copy-btn:hover {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(112, 0, 255, 0.2));
            border-color: rgba(0, 240, 255, 0.6);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4), 0 0 20px rgba(0, 240, 255, 0.2);
            text-shadow: 0 0 8px #00f0ff;
            transform: translateY(-1px);
        }

        .stat-copy-btn:active {
            transform: translateY(0);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }

        /* Toast */
        .toast {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 16px 24px;
            background: rgba(18, 18, 26, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 2000;
            transform: translateX(120%);
            transition: transform 0.3s ease;
        }

        .toast.show {
            transform: translateX(0);
        }

        .toast.success { border-color: #00ff88; }
        .toast.success i { color: #00ff88; }
        .toast.error { border-color: #ff3366; }
        .toast.error i { color: #ff3366; }

        /* Mail View Button */
        .mail-view-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 12px;
            font-family: 'Orbitron', monospace;
            font-size: 11px;
            font-weight: 600;
            color: #00f0ff;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(112, 0, 255, 0.1));
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .mail-view-btn:hover {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(112, 0, 255, 0.2));
            border-color: rgba(0, 240, 255, 0.6);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
            text-shadow: 0 0 8px #00f0ff;
            transform: translateY(-1px);
        }

        /* Mail Modal */
        .mail-modal-overlay {
            position: fixed;
            inset: 0;
            display: none;
            align-items: center;
            justify-content: center;
            background: rgba(10, 10, 15, 0.92);
            backdrop-filter: blur(5px);
            z-index: 1500;
            padding: 20px;
        }

        .mail-modal-overlay.active {
            display: flex;
            animation: fadeIn 0.2s ease;
        }

        .mail-modal {
            background: rgba(18, 18, 26, 0.98);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 16px;
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.2), 0 20px 60px rgba(0, 0, 0, 0.6);
            width: 100%;
            max-width: 820px;
            max-height: 90vh;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .mail-modal-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 14px 20px;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            background: rgba(0, 240, 255, 0.05);
            flex-shrink: 0;
        }

        .mail-modal-head h4 {
            margin: 0;
            font-family: 'Orbitron', monospace;
            font-size: 13px;
            color: #00f0ff;
            flex: 1;
            min-width: 0;
            word-break: break-word;
            line-height: 1.4;
        }

        .mail-modal-from {
            color: #8080a0;
            font-size: 11px;
            font-weight: 400;
            font-family: 'Rajdhani', sans-serif;
        }

        .mail-modal-close {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 51, 102, 0.3);
            border-radius: 8px;
            color: #ff3366;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .mail-modal-close:hover {
            background: rgba(255, 51, 102, 0.15);
            box-shadow: 0 0 12px rgba(255, 51, 102, 0.4);
        }

        .mail-modal-body {
            padding: 0;
            overflow-y: auto;
            flex: 1;
            min-height: 0;
            background: #ffffff;
        }

        .mail-modal-body iframe {
            width: 100%;
            min-height: 400px;
            border: 0;
            display: block;
            background: #ffffff;
        }

        .mail-modal-body pre {
            white-space: pre-wrap;
            word-wrap: break-word;
            font-family: ui-monospace, Consolas, monospace;
            font-size: 13px;
            color: #1a1a1a;
            padding: 16px;
            margin: 0;
            background: #ffffff;
        }

        .mail-modal-body::-webkit-scrollbar { width: 8px; }
        .mail-modal-body::-webkit-scrollbar-track { background: rgba(0,0,0,0.05); }
        .mail-modal-body::-webkit-scrollbar-thumb { background: #00f0ff; border-radius: 4px; }

        @media (max-width: 768px) {
            .mail-modal { max-height: 95vh; border-radius: 12px; }
            .mail-modal-head { padding: 12px 14px; }
            .mail-modal-head h4 { font-size: 12px; }
        }

        /* Read Mail Limit Warning Popup */
        .warn-overlay {
            position: fixed;
            inset: 0;
            display: none;
            align-items: center;
            justify-content: center;
            background: rgba(10, 10, 15, 0.92);
            backdrop-filter: blur(5px);
            z-index: 1600;
            padding: 20px;
        }

        .warn-overlay.active {
            display: flex;
            animation: fadeIn 0.2s ease;
        }

        .warn-box {
            background: rgba(18, 18, 26, 0.98);
            border: 1px solid rgba(255, 170, 0, 0.4);
            border-radius: 16px;
            box-shadow: 0 0 40px rgba(255, 170, 0, 0.2), 0 20px 60px rgba(0, 0, 0, 0.6);
            width: 100%;
            max-width: 460px;
            overflow: hidden;
        }

        .warn-box-head {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 170, 0, 0.25);
            background: rgba(255, 170, 0, 0.08);
            color: #ffaa00;
            font-family: 'Orbitron', monospace;
            font-size: 14px;
            font-weight: 600;
        }

        .warn-box-body {
            padding: 20px;
            color: #e0e0e0;
            font-size: 14px;
            line-height: 1.6;
        }

        .warn-box-body ul {
            margin: 12px 0;
            padding-left: 20px;
        }

        .warn-box-body li {
            margin-bottom: 8px;
        }

        .warn-graph { color: #00ff88; }
        .warn-oauth { color: #ff6b6b; }

        .warn-box-foot {
            padding: 0 20px 20px;
            display: flex;
            justify-content: flex-end;
        }

        .warn-btn {
            padding: 9px 22px;
            font-family: 'Orbitron', monospace;
            font-size: 12px;
            font-weight: 600;
            color: #0a0a0f;
            background: linear-gradient(135deg, #ffaa00, #ff6b00);
            border: 0;
            border-radius: 8px;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
        }

        .warn-btn:hover {
            box-shadow: 0 0 18px rgba(255, 170, 0, 0.5);
            transform: translateY(-1px);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-tabs {
                flex-wrap: nowrap;
                justify-content: flex-start;
            }
            .nav-tab {
                padding: 10px 14px;
                font-size: 12px;
            }
            .nav-tab span {
                display: none;
            }
            .nav-tab i {
                font-size: 18px;
            }

            /* ปุ่มกดจัดกึ่งกลางบนมือถือ */
            .flex.flex-wrap {
                justify-content: center !important;
            }
        }

        /* Section Visibility */
        .tool-section {
            display: none;
        }
        .tool-section.active {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Header */
        .main-header {
            padding: 20px;
            text-align: center;
        }

        .main-header h1 {
            font-family: 'Orbitron', monospace;
            font-size: clamp(20px, 4vw, 32px);
            font-weight: 700;
            background: linear-gradient(135deg, #00f0ff, #7000ff, #ff00aa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 0;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .main-header h1:hover {
            transform: scale(1.02);
            filter: brightness(1.2);
        }

        .main-header p {
            color: #8080a0;
            margin-top: 8px;
        }

        /* Clock */
        .clock-display {
            font-family: 'Orbitron', monospace;
            font-size: 14px;
            color: #00f0ff;
            padding: 8px 16px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 20px;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 20px;
            color: #606080;
            font-size: 12px;
        }

        footer a {
            color: #00f0ff;
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }
