/* --- Main Page (/main): 지수 + 텔레그램 실시간 피드 --- */
/* (네비게이션 .main-nav/.nav-link 스타일은 style.css 공통으로 이동) */

/* 레이아웃 */
.main-layout {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 16px;
    min-height: calc(100vh - 64px);   /* 최소 한 화면, 콘텐츠 넘치면 늘어나 페이지가 스크롤 */
}
/* 메인페이지는 데스크톱도 문서 스크롤로 (공통 style.css의 고정 100vh/overflow:hidden 해제).
   main.css는 메인페이지에서만 로드되므로 여기 body/.app-container 재정의는 대시보드에 영향 없음. */
body { overflow-x: hidden; overflow-y: auto; height: auto; min-height: 100vh; }
.app-container { height: auto; min-height: 100vh; }
.dashboard-header { position: sticky; top: 0; z-index: 30; }   /* 스크롤해도 헤더/네비 고정 */

/* 이슈 요약 카드 */
.summary-panel { flex-shrink: 0; padding: 16px 20px; }
.summary-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.summary-header .panel-title-area { display: flex; align-items: center; gap: 8px; }
.summary-header h2 { font-size: 15px; }
.summary-badge { font-size: 11px; color: var(--accent); background: rgba(41,98,255,0.1); border: 1px solid var(--border-glow); border-radius: 10px; padding: 2px 8px; }
.summary-meta { font-size: 11.5px; color: var(--text-muted); font-family: var(--font-mono); white-space: nowrap; }
.summary-body { font-size: 14px; line-height: 1.7; color: var(--text-secondary); }
.summary-body .sb-line { margin: 2px 0; }
.summary-body strong { color: var(--text-primary); font-weight: 600; }
.summary-stocks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border-color); }
.summary-stocks .ss-label { font-size: 12px; color: var(--text-muted); align-self: center; }
.mobile-summary-toggle { display: none; }
.stock-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--text-primary); background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: 999px; padding: 5px 12px; text-decoration: none; transition: all var(--transition-fast); }
.stock-chip:hover { border-color: var(--accent); background-color: var(--bg-card-hover); }
.stock-chip .ss-count { font-size: 11px; color: var(--text-muted); }

/* 지수 카드 섹션 */
.index-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    flex: 0 0 auto;   /* 기본은 콘텐츠 높이, 리사이저 드래그 시 JS가 0 0 Npx로 고정 */
    min-height: 96px;
}

.index-card-lg {
    background: linear-gradient(135deg, var(--bg-panel) 0%, var(--bg-panel-header) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 20px 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: border-color var(--transition-normal);
    display: flex;            /* 차트가 카드 높이에 맞춰 늘어나도록 (리사이즈 대응) */
    flex-direction: column;
    min-height: 0;
}
.index-topline { flex-shrink: 0; }

.index-card-lg.up { border-color: rgba(38, 166, 154, 0.4); }
.index-card-lg.down { border-color: rgba(239, 83, 80, 0.4); }

.index-topline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}
.index-figures { text-align: right; }

.index-chart {
    width: 100%;
    flex: 1 1 110px;     /* 기본 110px, 카드 높이 변하면 함께 신축 */
    min-height: 56px;
    margin-top: 10px;
}

.index-head {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 10px;
}

.index-label {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.index-sub {
    font-size: 12px;
    color: var(--text-muted);
}

.index-value {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.1;
    transition: color var(--transition-fast);
}

.index-change {
    font-size: 16px;
    font-weight: 600;
    margin-top: 4px;
}

.index-value.up, .index-change.up { color: var(--up-color); }
.index-value.down, .index-change.down { color: var(--down-color); }

/* 인덱스 값 변경시 깜빡임 */
@keyframes idxFlash {
    0% { background-color: rgba(41, 98, 255, 0.15); }
    100% { background-color: transparent; }
}
.index-card-lg.flash { animation: idxFlash 0.6s ease; }

/* 텔레그램 피드 패널 — 페이지 스크롤에 맞춰 콘텐츠 높이만큼 확장 */
.feed-panel {
    flex: 0 0 auto;
    overflow: visible;   /* .panel 기본 overflow:hidden 해제 → 잘리지 않고 페이지가 스크롤 */
}

.feed-container {
    overflow: visible;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 피드 카드 */
.feed-card {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent);
    border-radius: var(--border-radius-md);
    padding: 12px 16px;
    flex-shrink: 0;
}

.feed-card.new {
    animation: feedSlideIn 0.4s ease;
}

@keyframes feedSlideIn {
    from { opacity: 0; transform: translateY(-8px); border-left-color: var(--up-color); }
    to { opacity: 1; transform: translateY(0); }
}

.feed-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 6px;
}

.feed-channel {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background-color: rgba(41, 98, 255, 0.1);
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 60%;
}

.feed-time {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    white-space: nowrap;
}

.feed-text {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.6;
    word-break: break-word;
    white-space: pre-wrap;
}

.feed-text a {
    color: var(--accent);
    text-decoration: none;
}
.feed-text a:hover { text-decoration: underline; }

/* ③ 프로액티브 속보 알림 배너 */
.alert-banner {
    display: flex; align-items: flex-start; gap: 14px;
    flex-shrink: 0; padding: 14px 18px; margin-bottom: 2px;
    background: linear-gradient(95deg, rgba(239,83,80,0.16), rgba(239,83,80,0.05));
    border: 1px solid rgba(239,83,80,0.45); border-left: 4px solid var(--down-color);
    border-radius: var(--border-radius-md, 8px);
    animation: alertIn 0.4s ease-out;
}
.alert-banner[hidden] { display: none; }
@keyframes alertIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.alert-icon { font-size: 22px; line-height: 1.2; flex-shrink: 0; animation: alertPulse 1.6s ease-in-out infinite; }
@keyframes alertPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.15); } }
.alert-body { flex: 1; min-width: 0; }
.alert-toprow { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.alert-tag { font-size: 11px; font-weight: 700; color: #fff; background: var(--down-color); border-radius: 4px; padding: 2px 7px; letter-spacing: 0.3px; }
.alert-title { font-size: 14.5px; font-weight: 700; color: var(--text-primary); }
.alert-time { font-size: 11px; color: var(--text-muted); }
.alert-summary { margin-top: 5px; font-size: 13px; line-height: 1.55; color: var(--text-secondary); }
.alert-stocks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.alert-close { background: none; border: none; color: var(--text-muted); font-size: 22px; line-height: 1; cursor: pointer; padding: 0 2px; flex-shrink: 0; }
.alert-close:hover { color: var(--text-primary); }

/* --- 모바일 반응형 (≤768px): 고정 100vh → 문서 스크롤, 지수카드 1단 --- */
@media (max-width: 768px) {
    .main-layout {
        height: auto;
        overflow: visible;
        padding: 12px;
        gap: 12px;
    }
    /* KOSPI/KOSDAQ 2단 그리드 → 세로 1단 */
    .index-section { grid-template-columns: 1fr; }
    .index-card-lg { padding: 16px 18px; }
    /* 지수 라벨/수치를 가로 한 줄(space-between)이 아닌 세로로 → 큰 숫자가 안 잘림 */
    .index-topline { flex-direction: column; align-items: flex-start; gap: 6px; }
    .index-figures { text-align: left; }
    .index-head { margin-bottom: 0; }
    .index-value { font-size: 30px; }
    .index-change { font-size: 14px; margin-top: 2px; }
    /* 모바일은 카드 1단 + 차트 고정 높이 */
    .index-card-lg { display: block; }
    .index-chart { flex: none; height: 96px; min-height: 0; }

    /* 긴 실시간 피드가 문서 전체를 늘리지 않도록 패널 안에서 스크롤 */
    .feed-panel {
        height: clamp(440px, 72dvh, 720px);
        min-height: 440px;
        max-height: 720px;
        overflow: hidden;
    }
    .feed-container {
        flex: 1 1 auto;
        min-height: 0;
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }
    /* 긴 URL이 가로로 넘쳐 잘리지 않게 강제 줄바꿈 */
    .feed-text { overflow-wrap: anywhere; word-break: break-word; }

    .summary-header { flex-wrap: wrap; gap: 6px; }
    .summary-meta { white-space: normal; }
    .stock-chip { min-height: 44px; touch-action: manipulation; }
    .alert-close { width: 44px; height: 44px; }
}

@media (max-width: 480px) {
    .index-value { font-size: 26px; }
    .index-label { font-size: 16px; }
    .index-sub { display: none; }
    .feed-panel { height: 68dvh; min-height: 400px; }
}

/* 모바일 Lite: 시장 숫자를 첫 화면에 두고 속보·요약은 점진적으로 펼친다. */
@media (max-width: 768px) {
    .main-layout {
        min-height: 0;
        padding: 8px;
        gap: 8px;
    }

    .index-section {
        order: 1;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        min-height: 0;
    }
    .index-card-lg {
        min-width: 0;
        padding: 11px 12px;
        border-radius: 10px;
    }
    .index-topline { display: block; }
    .index-head { margin: 0 0 7px; gap: 0; }
    .index-sub,
    .index-chart { display: none; }
    .index-label { font-size: 12px; letter-spacing: 0.2px; color: var(--text-secondary); }
    .index-figures { text-align: left; }
    .index-value { font-size: clamp(18px, 5.5vw, 23px); line-height: 1.15; }
    .index-change { font-size: 12px; margin-top: 3px; }

    .alert-banner {
        order: 2;
        min-height: 0;
        margin: 0;
        padding: 10px 10px;
        gap: 8px;
        align-items: flex-start;
        border-radius: 10px;
    }
    .alert-icon { display: none; }
    .alert-toprow { gap: 6px; flex-wrap: nowrap; }
    .alert-tag { flex: 0 0 auto; }
    .alert-title {
        min-width: 0;
        flex: 1 1 auto;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: 13px;
    }
    .alert-time { flex: 0 0 auto; font-size: 10px; }
    .alert-summary {
        display: -webkit-box;
        margin-top: 5px;
        overflow: hidden;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        font-size: 12px;
        line-height: 1.45;
    }
    .alert-stocks { display: none; }
    .alert-close { width: 36px; height: 36px; margin: -6px -5px -6px 0; }

    .summary-panel {
        order: 3;
        padding: 0;
        border-radius: 10px;
    }
    .summary-header {
        min-height: 54px;
        margin: 0;
        padding: 9px 12px;
        flex-wrap: nowrap;
    }
    .summary-header .panel-title-area { min-width: 0; gap: 7px; }
    .summary-header h2 { font-size: 14px; white-space: nowrap; }
    .summary-badge { display: none; }
    .summary-meta { display: none; }
    .mobile-summary-toggle {
        min-width: 88px;
        min-height: 38px;
        margin-left: auto;
        padding: 0 9px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.03);
        color: var(--text-secondary);
        font: 600 11px/1 var(--font-ui);
    }
    .mobile-summary-toggle-icon { font-size: 16px; transition: transform var(--transition-fast); }
    .summary-panel.mobile-expanded .mobile-summary-toggle-icon { transform: rotate(180deg); }
    .summary-body,
    .summary-stocks { display: none; }
    .summary-panel.mobile-expanded .summary-body {
        display: block;
        padding: 0 12px 10px;
        font-size: 12.5px;
        line-height: 1.55;
    }
    .summary-panel.mobile-expanded .summary-stocks {
        display: flex;
        margin: 0 12px 12px;
        padding-top: 10px;
        gap: 6px;
    }
    .summary-panel.mobile-expanded .stock-chip { min-height: 38px; padding: 4px 10px; }

    .feed-panel {
        order: 4;
        height: clamp(390px, 62dvh, 620px);
        min-height: 390px;
        max-height: 620px;
        border-radius: 10px;
    }
    .feed-panel .panel-header { min-height: 50px; padding: 10px 12px; }
    .feed-panel .panel-title-area { gap: 7px; }
    .feed-panel .panel-title-area h2 { font-size: 14px; }
    .feed-container { padding: 9px; gap: 8px; }
    .feed-card { padding: 10px 11px; }
    .feed-meta { gap: 8px; margin-bottom: 5px; }
    .feed-text { font-size: 12.5px; line-height: 1.5; }
}

@media (max-width: 360px) {
    .index-card-lg { padding-inline: 9px; }
    .index-value { font-size: 18px; }
}