/* 
    telegram.pe.kr - secret-chat03 [Normal vs Secret Chat Guide]
    Dark Midnight & Emerald Encryption theme
    Comparison Table + Accordion + FAQ
    Strictly scoped to #tg-sc03-wrapper
*/

#tg-sc03-wrapper {
    --tg-sc03-bg: #070b14;
    --tg-sc03-bg-light: #101826;
    --tg-sc03-glass: rgba(255,255,255,0.035);

    --tg-sc03-primary: #10b981;
    --tg-sc03-primary-dim: rgba(16, 185, 129, 0.12);
    --tg-sc03-primary-glow: rgba(16, 185, 129, 0.18);

    --tg-sc03-accent: #2AABEE;
    --tg-sc03-accent-dim: rgba(42, 171, 238, 0.12);

    --tg-sc03-amber: #f59e0b;
    --tg-sc03-amber-dim: rgba(245, 158, 11, 0.1);

    --tg-sc03-danger: #ef4444;
    --tg-sc03-danger-dim: rgba(239, 68, 68, 0.1);

    --tg-sc03-text-main: #f1f5f9;
    --tg-sc03-text-mute: #94a3b8;
    --tg-sc03-border: rgba(255,255,255,0.07);
    --tg-sc03-radius: 16px;

    background: linear-gradient(170deg, #070b14 0%, #0b1320 40%, #0f1a2e 100%);
    color: var(--tg-sc03-text-main);
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    line-height: 1.7;
    border-radius: var(--tg-sc03-radius);
    padding: 3rem 2.5rem;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
}
#tg-sc03-wrapper * { box-sizing: border-box; }

#tg-sc03-wrapper::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, var(--tg-sc03-primary-glow), transparent 70%);
    border-radius: 50%;
    pointer-events: none; z-index: 0;
}
#tg-sc03-wrapper::after {
    content: '';
    position: absolute;
    bottom: -70px; left: -70px;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(42,171,238,0.08), transparent 70%);
    border-radius: 50%;
    pointer-events: none; z-index: 0;
}
#tg-sc03-wrapper > * { position: relative; z-index: 1; }

/* ───── Header ───── */
.tg-sc03-header {
    text-align: center;
    margin-bottom: 3.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--tg-sc03-border);
}
.tg-sc03-header__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--tg-sc03-primary-dim), rgba(16,185,129,0.04));
    color: var(--tg-sc03-primary) !important;
    padding: 8px 18px;
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(16,185,129,0.2);
}
.tg-sc03-header__title {
    font-size: 2.1rem;
    font-weight: 900;
    margin: 0 0 1.2rem 0;
    word-break: keep-all;
    line-height: 1.3;
    color: var(--tg-sc03-text-main) !important;
    background: linear-gradient(135deg, #ffffff 30%, var(--tg-sc03-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.tg-sc03-header__desc {
    font-size: 1.1rem;
    color: var(--tg-sc03-text-mute) !important;
    max-width: 660px;
    margin: 0 auto;
    word-break: keep-all;
}

/* ───── Section Title ───── */
.tg-sc03-section-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 0 2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--tg-sc03-text-main) !important;
}
.tg-sc03-section-title .material-symbols-outlined { font-size: 2rem; }

/* ───── Comparison Table ───── */
.tg-sc03-table-wrap {
    overflow-x: auto;
    margin-bottom: 3.5rem;
    border-radius: var(--tg-sc03-radius);
    border: 1px solid var(--tg-sc03-border);
}
.tg-sc03-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}
.tg-sc03-table thead th {
    padding: 1.2rem 1rem;
    text-align: center;
    font-weight: 800;
    border-bottom: 2px solid var(--tg-sc03-border);
    white-space: nowrap;
}
.tg-sc03-table thead th:first-child {
    background: rgba(255,255,255,0.03);
    color: var(--tg-sc03-text-mute) !important;
    text-align: left;
    padding-left: 1.5rem;
}
.tg-sc03-table thead th:nth-child(2) {
    background: var(--tg-sc03-accent-dim);
    color: var(--tg-sc03-accent) !important;
}
.tg-sc03-table thead th:nth-child(3) {
    background: var(--tg-sc03-primary-dim);
    color: var(--tg-sc03-primary) !important;
}
.tg-sc03-table tbody td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--tg-sc03-text-main) !important;
    text-align: center;
    vertical-align: middle;
}
.tg-sc03-table tbody td:first-child {
    font-weight: 700;
    text-align: left;
    padding-left: 1.5rem;
    color: var(--tg-sc03-text-mute) !important;
    white-space: nowrap;
}
.tg-sc03-table tbody tr:hover {
    background: rgba(255,255,255,0.03);
}
.tg-sc03-table tbody tr:last-child td { border-bottom: none; }

.tg-sc03-badge-cloud {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--tg-sc03-accent-dim);
    color: var(--tg-sc03-accent) !important;
}
.tg-sc03-badge-e2ee {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--tg-sc03-primary-dim);
    color: var(--tg-sc03-primary) !important;
}
.tg-sc03-badge-warn {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--tg-sc03-danger-dim);
    color: var(--tg-sc03-danger) !important;
}

/* ───── Accordion ───── */
.tg-sc03-accordion {
    margin-bottom: 1rem;
    border-radius: var(--tg-sc03-radius);
    overflow: hidden;
    border: 1px solid var(--tg-sc03-border);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.tg-sc03-accordion:hover { border-color: rgba(16,185,129,0.2); }
.tg-sc03-accordion--open {
    border-color: var(--tg-sc03-primary) !important;
    box-shadow: 0 0 25px var(--tg-sc03-primary-dim);
}

.tg-sc03-accordion__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 1.5rem 2rem;
    background: var(--tg-sc03-glass);
    border: none; outline: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: background 0.2s ease;
}
.tg-sc03-accordion__trigger:hover { background: rgba(255,255,255,0.06); }

.tg-sc03-accordion__icon-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 48px; height: 48px;
    border-radius: 14px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
.tg-sc03-accordion__trigger:hover .tg-sc03-accordion__icon-wrap { transform: scale(1.08); }
.tg-sc03-accordion__icon-wrap .material-symbols-outlined { font-size: 26px; }

.tg-sc03-accordion__info { flex-grow: 1; }
.tg-sc03-accordion__title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--tg-sc03-text-main) !important;
    margin: 0 0 2px 0;
}
.tg-sc03-accordion__subtitle {
    font-size: 0.9rem;
    color: var(--tg-sc03-text-mute) !important;
    margin: 0;
}

.tg-sc03-accordion__chevron {
    color: var(--tg-sc03-text-mute);
    transition: transform 0.35s ease;
    flex-shrink: 0;
}
.tg-sc03-accordion--open .tg-sc03-accordion__chevron {
    transform: rotate(180deg);
    color: var(--tg-sc03-primary);
}

.tg-sc03-accordion__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
    background: var(--tg-sc03-bg-light);
    padding: 0 2rem;
}
.tg-sc03-accordion--open .tg-sc03-accordion__body {
    max-height: 600px;
    padding: 1.5rem 2rem 2rem;
}

/* Timeline */
.tg-sc03-timeline {
    list-style: none;
    padding: 0; margin: 0;
    position: relative;
}
.tg-sc03-timeline::before {
    content: '';
    position: absolute;
    left: 15px; top: 12px; bottom: 12px;
    width: 2px;
    background: linear-gradient(to bottom, var(--tg-sc03-primary), var(--tg-sc03-accent));
    border-radius: 2px;
}
.tg-sc03-timeline__item {
    display: flex;
    gap: 18px;
    margin-bottom: 1.5rem;
    align-items: flex-start;
    position: relative;
}
.tg-sc03-timeline__item:last-child { margin-bottom: 0; }
.tg-sc03-timeline__dot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--tg-sc03-bg);
    border: 2px solid var(--tg-sc03-primary);
    color: var(--tg-sc03-primary);
    font-size: 0.85rem;
    font-weight: 800;
    flex-shrink: 0; z-index: 1;
}
.tg-sc03-timeline__item:last-child .tg-sc03-timeline__dot {
    border-color: var(--tg-sc03-accent);
    color: var(--tg-sc03-accent);
    background: var(--tg-sc03-accent-dim);
}
.tg-sc03-timeline__desc {
    font-size: 1.05rem;
    color: var(--tg-sc03-text-main) !important;
    margin: 4px 0 0;
    line-height: 1.5;
    word-break: keep-all;
    text-align: left !important;
}
.tg-sc03-timeline__desc strong { color: var(--tg-sc03-primary); }
.tg-sc03-timeline__item:last-child .tg-sc03-timeline__desc strong { color: var(--tg-sc03-accent); }

/* PC Warning */
.tg-sc03-pc-warn {
    background: var(--tg-sc03-amber-dim);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.tg-sc03-pc-warn .material-symbols-outlined {
    color: var(--tg-sc03-amber) !important;
    font-size: 1.8rem;
    flex-shrink: 0;
    margin-top: 2px;
}
.tg-sc03-pc-warn__text {
    flex-grow: 1;
    text-align: left !important;
}
.tg-sc03-pc-warn__title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--tg-sc03-amber) !important;
    margin: 0 0 0.4rem 0;
    text-align: left !important;
}
.tg-sc03-pc-warn__desc {
    font-size: 0.95rem;
    color: var(--tg-sc03-text-mute) !important;
    margin: 0;
    text-align: left !important;
    line-height: 1.5;
}

/* ───── Tips Grid ───── */
.tg-sc03-tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 3.5rem;
}
.tg-sc03-tip {
    background: var(--tg-sc03-glass);
    border: 1px solid var(--tg-sc03-border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: left !important;
    transition: transform 0.25s ease, border-color 0.25s ease;
    position: relative;
    overflow: hidden;
}
.tg-sc03-tip::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: var(--tg-sc03-primary);
}
.tg-sc03-tip:hover {
    transform: translateY(-3px);
    border-color: rgba(16,185,129,0.2);
}
.tg-sc03-tip__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--tg-sc03-primary-dim);
    color: var(--tg-sc03-primary) !important;
    margin-bottom: 1rem;
}
.tg-sc03-tip__icon .material-symbols-outlined { font-size: 22px; }
.tg-sc03-tip__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tg-sc03-text-main) !important;
    margin: 0 0 0.5rem 0;
    text-align: left !important;
}
.tg-sc03-tip__desc {
    font-size: 0.95rem;
    color: var(--tg-sc03-text-mute) !important;
    margin: 0;
    text-align: left !important;
    line-height: 1.5;
}

/* ───── FAQ ───── */
.tg-sc03-faq-item {
    background: var(--tg-sc03-glass);
    border: 1px solid var(--tg-sc03-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: border-color 0.2s ease;
}
.tg-sc03-faq-item:hover { border-color: rgba(255,255,255,0.12); }
.tg-sc03-faq-item__q {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1.2rem 1.5rem;
    background: transparent;
    border: none; outline: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}
.tg-sc03-faq-item__q-badge {
    display: flex; align-items: center; justify-content: center;
    width: 28px; height: 28px;
    border-radius: 6px;
    background: var(--tg-sc03-primary-dim);
    color: var(--tg-sc03-primary);
    font-size: 0.85rem; font-weight: 900;
    flex-shrink: 0;
}
.tg-sc03-faq-item__q-text {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tg-sc03-text-main) !important;
    flex-grow: 1;
}
.tg-sc03-faq-item__chevron {
    color: var(--tg-sc03-text-mute);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.tg-sc03-faq-item--open .tg-sc03-faq-item__chevron {
    transform: rotate(180deg);
    color: var(--tg-sc03-primary);
}
.tg-sc03-faq-item__a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}
.tg-sc03-faq-item--open .tg-sc03-faq-item__a {
    max-height: 200px;
    padding: 0 1.5rem 1.5rem;
}
.tg-sc03-faq-item__a-text {
    font-size: 1rem;
    color: var(--tg-sc03-text-mute) !important;
    margin: 0;
    line-height: 1.6;
    text-align: left !important;
    padding-left: 40px;
}
.tg-sc03-faq-item__a-text strong { color: var(--tg-sc03-text-main) !important; }

/* ───── Responsive ───── */
@media (max-width: 768px) {
    #tg-sc03-wrapper { padding: 2rem 1.5rem; }
    .tg-sc03-header__title { font-size: 1.6rem; }
    .tg-sc03-tips-grid { grid-template-columns: 1fr; }
    .tg-sc03-accordion__trigger { padding: 1.2rem 1.5rem; }
    .tg-sc03-accordion__body { padding: 0 1.5rem; }
    .tg-sc03-accordion--open .tg-sc03-accordion__body { padding: 1.2rem 1.5rem 1.5rem; }
    .tg-sc03-pc-warn { flex-direction: column; gap: 0.8rem; }
}