* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.5);
    --accent-blue: #3b82f6;
    --accent-hover: #2563eb;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --code-bg: rgba(15, 23, 42, 0.6);
    --danger: #ef4444;
    --success: #10b981;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.18) 0%, transparent 600px);
    color: var(--text-main);
    line-height: 1.5;
    padding: 40px 20px;
}
.container { max-width: 880px; margin: 0 auto; }
header { text-align: center; margin-bottom: 40px; }
h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #ffffff, var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 26px;
    margin-bottom: 28px;
}
.card-title {
    font-size: 1.15rem;
    margin-bottom: 20px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.card-title .btn-link {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: normal;
    background: rgba(255,255,255,0.1);
    padding: 4px 12px;
    border-radius: 20px;
    transition: all 0.2s;
}
.card-title .btn-link:hover {
    background: rgba(255,255,255,0.2);
}

.form-group { margin-bottom: 20px; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 160px; }
label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

select, input, textarea, .info-value-text {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-main) !important;
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: all 0.2s;
}

input::placeholder, textarea::placeholder {
    color: rgba(241, 245, 249, 0.5) !important;
    opacity: 1;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    color: var(--text-main) !important;
}
select option {
    /* background-color: #f1f5f9 !important; */
    /* color: #000000 !important; */
    background-color: #1e293b !important;
    color: #f1f5f9 !important;				
}
textarea {
    font-family: monospace;
    font-size: 0.85rem;
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

.info-value-text {
    font-family: monospace;
    font-size: 0.85rem;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}
input:read-only { opacity: 0.8; cursor: default; }

.checkbox-group { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 8px; }
.checkbox-label { 
    display: inline-flex; 
    align-items: center; 
    gap: 6px; 
    cursor: pointer; 
    font-size: 0.8rem; 
    color: var(--text-main) !important; 
}
.checkbox-label input { 
    width: 16px; 
    height: 16px; 
    margin: 0; 
    cursor: pointer; 
    accent-color: var(--accent-blue); 
}
.checkbox-label input:disabled { 
    opacity: 0.5; 
    cursor: not-allowed; 
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.4);
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent-blue);
    color: white;
    border: none;
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}
.btn-danger {
    border-color: rgba(239,68,68,0.5);
    color: var(--danger);
    background: rgba(239,68,68,0.1);
}
.btn-danger:hover:not(:disabled) {
    background: var(--danger);
    color: white;
}
.btn-secondary {
    background: rgba(100,116,139,0.2);
    border-color: rgba(100,116,139,0.4);
    color: #cbd5e1;
}
.btn-secondary:hover:not(:disabled) {
    background: rgba(100,116,139,0.4);
    color: white;
}
.btn-sm {
    padding: 8px 16px;
    font-size: 0.75rem;
    min-width: 90px;
}
.btn-sm:hover:not(:disabled):not(.btn-danger):not(.btn-secondary){
    background: var(--accent-blue);
    color: white;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.copy-sub-btn, #copyUuidBtn, #copyPasswordBtn, #copyEchBtn {
    min-width: 90px;
}
.copy-sub-btn:hover:not(:disabled) {
    background: var(--accent-blue);
    color: white;
}

.inline-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.deploy-buttons { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.deploy-buttons .btn { flex: 1; }

.info-row { margin-bottom: 18px; }
.info-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 6px; }
.info-value-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: nowrap;
}
.info-value-text {
    flex: 1;
    min-width: 0;
    font-family: monospace;
    font-size: 0.85rem;
    word-break: break-all;
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-main);
}
.info-value-wrapper .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

.ech-textarea {
    flex: 1;
    min-width: 0;
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-main);
    resize: vertical;
    min-height: 90px;
    max-height: 200px;
    line-height: 1.5;
    overflow-y: auto;
}

.ech-textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.ech-textarea::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.ech-textarea::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}
.ech-textarea::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}
.ech-textarea::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}
.ech-textarea {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) rgba(255, 255, 255, 0.05);
}

.log-module {
    background: var(--code-bg);
    border-radius: 16px;
    padding: 16px;
    margin-top: 24px;
    border: 1px solid var(--border-color);
}
.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 10px;
}
.log-header span {
    color: var(--text-main);
}
.log-content {
    background: #0a0f1a;
    border-radius: 12px;
    padding: 12px;
    font-family: monospace;
    font-size: 0.75rem;
    max-height: 200px;
    overflow-y: auto;
}
.log-entry {
    padding: 4px 0;
    border-bottom: 1px solid var(--border-color);
    color: #a5f3c3;
}

.status-tip {
    font-size: 0.8rem;
    padding: 8px 12px;
    border-radius: 12px;
    margin-top: 12px;
}
.status-error {
    background: rgba(220,38,38,0.2);
    color: #f87171;
    border: 1px solid #dc2626;
}
.status-success {
    background: rgba(34,197,94,0.2);
    color: #4ade80;
    border: 1px solid #22c55e;
}
.status-info {
    background: rgba(59,130,246,0.2);
    color: #60a5fa;
    border: 1px solid var(--accent-blue);
}

.hidden { display: none; }

.tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.tab {
    padding: 6px 18px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 40px;
    transition: all 0.2s;
}
.tab:hover {
    color: var(--text-main);
    background: rgba(255,255,255,0.05);
}
.tab.active {
    background: var(--accent-blue);
    color: white;
}

.loading-placeholder {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

footer { text-align: center; margin-top: 50px; padding-top: 30px; border-top: 1px solid var(--border-color); }
.tips { display: block; font-size: 0.9rem; color: var(--text-muted); margin-bottom: 15px; }
.ad-button{background:linear-gradient(135deg,#3b82f6 0%,#1d4ed8 100%);color:#fff;padding:12px 28px;border-radius:50px;text-decoration:none;font-weight:700;font-size:.95rem;box-shadow:0 4px 15px rgba(59,130,246,.4);transition:transform .2s,box-shadow .2s;display:inline-block}.ad-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(59,130,246,.6)}
.faq-list {
    display: flex;
    flex-direction: column;
}
.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.faq-item:last-child {
    border-bottom: none;
}
.faq-question {
    padding: 10px 0;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
    transition: color 0.2s;
    margin: 0;
}
.faq-question:hover {
    color: var(--accent-blue);
}
.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.2s ease;
    margin-bottom: 0;
}
.faq-answer > div {
    overflow: hidden;
    padding-bottom: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.faq-item.active .faq-answer {
    grid-template-rows: 1fr;
}
.faq-item.active .faq-answer > div {
    padding-bottom: 14px;
}

@media (max-width: 640px) {
    .form-row {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 12px;
    }
    .form-row .form-group {
        flex: 1;
        min-width: 0;
    }
    .info-value-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .info-value-wrapper .info-value-text,
    .info-value-wrapper .ech-textarea {
        width: 100%;
    }
    .info-value-wrapper .btn {
        width: 100%;
        justify-content: center;
    }
    .tabs {
        flex-wrap: wrap;
    }
    .inline-buttons {
        flex-direction: column;
    }
    .inline-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    .deploy-buttons { 
        flex-direction: column; 
    }
    .deploy-buttons .btn { 
        width: 100%; 
    }
    .checkbox-label {
        font-size: 0.75rem;
    }
}

html {
    scroll-behavior: smooth;
}