/* 
 * 텔레그램 보안 자가진단 - 통합 스타일시트
 * [룰 준수] 그누보드5 기존 CSS 충돌 방지용 완전 리셋 블록 포함
 */

/* 1. 그누보드5 기존 CSS 충돌 방지용 완전 리셋 */
#tg-sec06-wrapper,
#tg-sec06-wrapper *,
#tg-sec06-wrapper *::before,
#tg-sec06-wrapper *::after {
    box-sizing: border-box;
    margin: 0; padding: 0; border: none;
    outline: none; text-decoration: none;
    list-style: none; background: none;
    font-style: normal;
}

/* 2. 전역 스타일 리셋 (와이드 레이아웃 대응) */
#tg-sec06-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    background-color: #0f172a; /* 다크 블루 배경 */
    color: #f8fafc;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    line-height: 1.6;
    overflow: hidden;
    position: relative;
    border-radius: 20px;
}

/* h1~h6 리셋 및 스타일 */
#tg-sec06-wrapper h1, 
#tg-sec06-wrapper h2, 
#tg-sec06-wrapper h3, 
#tg-sec06-wrapper h4, 
#tg-sec06-wrapper h5, 
#tg-sec06-wrapper h6 {
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    color: #fff;
}

/* p 태그 여백 강제 보장 */
#tg-sec06-wrapper p {
    margin-bottom: 16px !important;
    line-height: 1.7 !important;
    color: #cbd5e1 !important; /* 다크 배경 가독성 보정 */
}
#tg-sec06-wrapper p:last-child {
    margin-bottom: 0 !important;
}

#tg-sec06-wrapper strong {
    font-weight: 700;
    color: #fff !important; /* 강조 텍스트 흰색 강제 */
}

/* --- UI Variables --- */
:root {
    --sec-blue: #24A1DE;
    --sec-accent: #38bdf8;
    --sec-success: #22c55e;
    --sec-warning: #f59e0b;
    --sec-danger: #ef4444;
    --sec-border: rgba(148, 163, 184, 0.1);
}

/* --- 스크롤 유도 애니메이션 --- */
#tg-sec06-wrapper .tg-sec06-motion {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

#tg-sec06-wrapper .tg-sec06-motion.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- 히어로 섹션 (Vivid & High Contrast) --- */
#tg-sec06-wrapper .tg-sec06-hero {
    padding: 6rem 2rem;
    text-align: center;
    background: radial-gradient(circle at top right, rgba(36, 161, 222, 0.2), transparent),
                linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    border-bottom: 1px solid var(--sec-border);
}

#tg-sec06-wrapper .tg-sec06-hero__badge {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: rgba(36, 161, 222, 0.15);
    color: var(--sec-accent);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 2rem;
    border: 1px solid rgba(36, 161, 222, 0.3);
    backdrop-filter: blur(10px);
}

#tg-sec06-wrapper .tg-sec06-hero__title {
    font-size: clamp(2.25rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

#tg-sec06-wrapper .tg-sec06-hero__title span {
    background: linear-gradient(135deg, #fff 30%, var(--sec-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- 가이드 레이아웃 (Tabs & Content) --- */
#tg-sec06-wrapper .tg-sec06-main {
    padding: 4rem 2rem;
}

#tg-sec06-wrapper .tg-sec06-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--sec-border);
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.5);
}

#tg-sec06-wrapper .tg-sec06-tabs {
    display: flex;
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--sec-border);
    overflow-x: auto;
}

#tg-sec06-wrapper .tg-sec06-tab-btn {
    flex: 1;
    min-width: 120px;
    padding: 1.5rem 1rem;
    color: #94a3b8;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    border-bottom: 4px solid transparent;
}

#tg-sec06-wrapper .tg-sec06-tab-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

#tg-sec06-wrapper .tg-sec06-tab-btn--active {
    color: var(--sec-accent);
    border-bottom-color: var(--sec-accent);
    background: rgba(56, 189, 248, 0.1);
}

#tg-sec06-wrapper .tg-sec06-content {
    padding: 3rem;
    display: none;
}

#tg-sec06-wrapper .tg-sec06-content--active {
    display: block;
    animation: fadeIn 0.6s ease;
}

/* --- OS Selector --- */
#tg-sec06-wrapper .tg-sec06-os-nav {
    display: flex;
    gap: 0.75rem;
    margin: 2rem 0;
}

#tg-sec06-wrapper .tg-sec06-os-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--sec-border);
    color: #cbd5e1;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

#tg-sec06-wrapper .tg-sec06-os-btn--active {
    background: var(--sec-accent);
    color: #0f172a;
    border-color: var(--sec-accent);
    box-shadow: 0 10px 20px -5px rgba(56, 189, 248, 0.3);
}

/* --- Step Flow (App-like UI) --- */
#tg-sec06-wrapper .tg-sec06-flow {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

#tg-sec06-wrapper .tg-sec06-flow-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 1.25rem;
    border: 1px solid var(--sec-border);
    transition: transform 0.3s;
}

#tg-sec06-wrapper .tg-sec06-flow-item:hover {
    transform: translateX(10px);
    border-color: var(--sec-accent);
}

#tg-sec06-wrapper .tg-sec06-flow-num {
    width: 32px;
    height: 32px;
    background: var(--sec-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0f172a;
    font-weight: 900;
    flex-shrink: 0;
    font-size: 0.9rem;
}

/* --- Dashboard (Gauge & Checklist) --- */
#tg-sec06-wrapper .tg-sec06-dashboard {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 2.5rem;
    padding: 4rem;
    border: 1px solid var(--sec-border);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    margin-top: 5rem;
}

@media (max-width: 900px) {
    #tg-sec06-wrapper .tg-sec06-dashboard {
        grid-template-columns: 1fr;
        padding: 3rem 2rem;
    }
}

#tg-sec06-wrapper .tg-sec06-check-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

#tg-sec06-wrapper .tg-sec06-check-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

#tg-sec06-wrapper .tg-sec06-check-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--sec-accent);
}

#tg-sec06-wrapper .tg-sec06-check-input {
    width: 1.75rem;
    height: 1.75rem;
    accent-color: var(--sec-accent);
    cursor: pointer;
}

#tg-sec06-wrapper .tg-sec06-check-label {
    display: flex;
    flex-direction: column;
}

#tg-sec06-wrapper .tg-sec06-check-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
}

#tg-sec06-wrapper .tg-sec06-check-sub {
    font-size: 0.813rem;
    color: #64748b;
}

/* --- Gauge Visualization --- */
#tg-sec06-wrapper .tg-sec06-gauge {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

#tg-sec06-wrapper .tg-sec06-gauge-svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

#tg-sec06-wrapper .tg-sec06-gauge-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 14;
}

#tg-sec06-wrapper .tg-sec06-gauge-progress {
    fill: none;
    stroke: var(--sec-danger);
    stroke-width: 14;
    stroke-linecap: round;
    stroke-dasharray: 691;
    stroke-dashoffset: 691;
    transition: stroke-dashoffset 1.2s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.5s ease;
}

#tg-sec06-wrapper .tg-sec06-gauge-info {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#tg-sec06-wrapper .tg-sec06-score-num {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
}

#tg-sec06-wrapper .tg-sec06-score-status {
    font-size: 1rem;
    font-weight: 800;
    padding: 0.4rem 1.2rem;
    border-radius: 999px;
    margin-top: 1rem;
    transition: all 0.3s;
}

/* --- Summary Section (Dark Gradient) --- */
#tg-sec06-wrapper .tg-sec06-summary {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    padding: 6rem 2rem;
    text-align: center;
    border-top: 1px solid var(--sec-border);
    margin-top: 5rem;
}

#tg-sec06-wrapper .tg-sec06-summary h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 3rem;
}

#tg-sec06-wrapper .tg-sec06-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

#tg-sec06-wrapper .tg-sec06-summary-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1.5rem;
}

/* Footer */
#tg-sec06-wrapper .tg-sec06-footer {
    padding: 3rem 2rem;
    text-align: center;
    color: #475569;
    font-size: 0.875rem;
    border-top: 1px solid var(--sec-border);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
    #tg-sec06-wrapper .tg-sec06-hero { padding: 4rem 1.5rem; }
    #tg-sec06-wrapper .tg-sec06-content { padding: 2rem 1.5rem; }
}