/* ============================================================
   AI Signal & Virtual Trading Page
   ============================================================ */

/* 메인 탭 */
.vt-main-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--bt-border, rgba(0,0,0,.08));
}
.vt-main-tab {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    color: var(--bt-text-muted, #6b7280);
    cursor: pointer;
    transition: all .2s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.vt-main-tab:hover { color: var(--bt-text); }
.vt-main-tab.active {
    color: var(--bt-accent, #3b82f6);
    border-bottom-color: var(--bt-accent, #3b82f6);
}
.vt-tab-content { display: none; }
.vt-tab-content.active { display: block; }
.vt-subtab-content { display: none; }
.vt-subtab-content.active { display: block; }

/* ─── 계좌 요약 카드 ─────────────────────────────── */
.vt-summary {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}
.vt-summary-card {
    background: var(--bt-card-bg, #fff);
    border: 1px solid var(--bt-border, rgba(0,0,0,.08));
    border-radius: 12px;
    padding: 16px;
}
.vt-summary-main {
    background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(0,212,170,.08));
}
body.dark .vt-summary-main {
    background: linear-gradient(135deg, rgba(59,130,246,.15), rgba(0,212,170,.12));
}
.vt-summary-label {
    font-size: 12px;
    color: var(--bt-text-muted, #6b7280);
    margin-bottom: 4px;
}
.vt-summary-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--bt-text);
    font-variant-numeric: tabular-nums;
}
.vt-summary-sm { font-size: 16px; }
.vt-summary-sub {
    font-size: 13px;
    font-weight: 600;
    margin-top: 2px;
}

/* ─── 테이블 상태 ─────────────────────────────────── */
.vt-loading {
    text-align: center !important;
    color: var(--bt-text-muted, #6b7280);
    padding: 40px 0 !important;
    font-size: 13px;
}
.vt-empty {
    text-align: center !important;
    color: var(--bt-text-muted, #6b7280);
    padding: 60px 0 !important;
    font-size: 13px;
}

/* ─── 매매 배지 ───────────────────────────────────── */
.vt-badge-buy {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(0,212,170,.15);
    color: #00d4aa;
}
.vt-badge-sell {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255,71,87,.15);
    color: #ff4757;
}

/* ─── AI 소스 태그 ────────────────────────────────── */
.spd-source-tag {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .02em;
    vertical-align: middle;
    margin-right: 4px;
    background: rgba(139,92,246,.15);
    color: #8b5cf6;
}

/* ─── 시그널 카드 ─────────────────────────────────── */
.sig-card-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.sig-card {
    background: var(--bt-card-bg, #fff);
    border: 1px solid var(--bt-border, rgba(0,0,0,.08));
    border-radius: 14px;
    padding: 16px;
    transition: box-shadow .2s;
}
.sig-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
body.dark .sig-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.sig-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--bt-border, rgba(0,0,0,.06));
}
.sig-card-signal { text-align: right; }
.sig-card-signal-type {
    font-size: 14px;
    font-weight: 700;
}
.sig-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px 12px;
}
.sig-indicator-val {
    color: var(--bt-text-muted, #9ca3af) !important;
    font-weight: 500 !important;
    font-size: 12px !important;
}

.vt-profit-sub {
    font-size: 11px;
    font-weight: 400;
    opacity: .7;
}
.spd-indicator {
    font-size: 12px;
    color: #9ca3af;
    font-variant-numeric: tabular-nums;
}
.sig-page-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 12px;
    color: #9ca3af;
}
.sig-page-footer p { margin: 4px 0; }

/* ─── 포트폴리오 카드 ─────────────────────────────── */
.vt-card-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.vt-card {
    background: var(--bt-card-bg, #fff);
    border: 1px solid var(--bt-border, rgba(0,0,0,.08));
    border-radius: 14px;
    padding: 16px;
    transition: box-shadow .2s;
}
.vt-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
body.dark .vt-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.vt-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--bt-border, rgba(0,0,0,.06));
}
.vt-card-coin {
    display: flex;
    align-items: center;
    gap: 10px;
}
.vt-card-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
}
.vt-card-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--bt-text);
}
.vt-card-ticker {
    font-size: 11px;
    font-weight: 500;
    color: var(--bt-text-muted, #6b7280);
    text-transform: uppercase;
}
.vt-card-signal {
    text-align: right;
}
.vt-card-signal-type {
    font-size: 14px;
    font-weight: 700;
}
.vt-card-signal-str {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: flex-end;
    margin-top: 2px;
}
.vt-card-signal-str .strength-bar { width: 40px; }
.vt-card-signal-str .strength-text { font-size: 11px; }
.vt-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px 16px;
}
.vt-card-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.vt-card-label {
    font-size: 11px;
    color: var(--bt-text-muted, #6b7280);
}
.vt-card-val {
    font-size: 13px;
    font-weight: 600;
    color: var(--bt-text);
    font-variant-numeric: tabular-nums;
}
.vt-card-reason {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--bt-border, rgba(0,0,0,.06));
    font-size: 12px;
    color: #9ca3af;
    line-height: 1.5;
}
.vt-card-empty {
    text-align: center;
    color: var(--bt-text-muted, #6b7280);
    padding: 60px 0;
    font-size: 13px;
    grid-column: 1 / -1;
}

/* ─── 매매이력 필터/정렬 바 ───────────────────────── */
.trade-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 8px;
}
.trade-filter-group {
    display: flex;
    gap: 6px;
}
.trade-filter-btn {
    padding: 5px 14px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--bt-border);
    border-radius: 20px;
    background: transparent;
    color: var(--bt-text-muted, #6b7280);
    cursor: pointer;
    transition: all .2s;
}
.trade-filter-btn:hover { border-color: var(--bt-accent); color: var(--bt-accent); }
.trade-filter-btn.active {
    background: var(--bt-accent);
    border-color: var(--bt-accent);
    color: #fff;
}
.trade-filter-buy.active { background: #00d4aa; border-color: #00d4aa; }
.trade-filter-sell.active { background: #ff4757; border-color: #ff4757; }
.trade-sort-btn {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--bt-border);
    border-radius: 8px;
    background: transparent;
    color: var(--bt-text-muted, #6b7280);
    cursor: pointer;
    transition: all .2s;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}
.trade-sort-btn:hover { border-color: var(--bt-accent); color: var(--bt-accent); }

/* ─── 매매이력 카드 ───────────────────────────────── */
.trade-card-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.trade-card {
    background: var(--bt-card-bg, #fff);
    border: 1px solid var(--bt-border, rgba(0,0,0,.08));
    border-radius: 14px;
    padding: 16px;
    border-left: 3px solid transparent;
}
.trade-card-buy { border-left-color: #00d4aa; }
.trade-card-sell { border-left-color: #ff4757; }
.trade-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--bt-border, rgba(0,0,0,.06));
}
.trade-card-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}
.trade-card-time {
    font-size: 11px;
    color: var(--bt-text-muted, #6b7280);
}
.trade-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px 12px;
}

/* ─── 매매이력 페이징 ─────────────────────────────── */
.trade-paging {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px 0 4px;
}
.trade-page-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--bt-border);
    border-radius: 8px;
    background: transparent;
    color: var(--bt-text-muted, #6b7280);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.trade-page-btn:hover { border-color: var(--bt-accent); color: var(--bt-accent); }
.trade-page-btn.active {
    background: var(--bt-accent);
    border-color: var(--bt-accent);
    color: #fff;
}
.trade-page-info {
    font-size: 12px;
    color: var(--bt-text-muted, #6b7280);
    margin-left: 8px;
}

/* ─── 토스트 알림 ─────────────────────────────────── */
.vt-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}
.vt-toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--bt-card-bg, #1a1a2e);
    border: 1px solid var(--bt-border, rgba(255,255,255,.1));
    box-shadow: 0 8px 32px rgba(0,0,0,.3);
    pointer-events: auto;
    transform: translateX(120%);
    opacity: 0;
    transition: transform .3s ease, opacity .3s ease;
    min-width: 280px;
    max-width: 400px;
}
.vt-toast-show {
    transform: translateX(0);
    opacity: 1;
}
.vt-toast-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.vt-toast-buy .vt-toast-icon {
    background: rgba(0,212,170,.15);
    color: #00d4aa;
}
.vt-toast-sell .vt-toast-icon {
    background: rgba(255,71,87,.15);
    color: #ff4757;
}
.vt-toast-body { flex: 1; min-width: 0; }
.vt-toast-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--bt-text, #fff);
}
.vt-toast-detail {
    font-size: 12px;
    color: var(--bt-text-muted, #9ca3af);
    margin-top: 2px;
}
.vt-toast-close {
    background: none;
    border: none;
    color: var(--bt-text-muted, #6b7280);
    cursor: pointer;
    padding: 4px;
    font-size: 12px;
    opacity: .6;
    transition: opacity .2s;
}
.vt-toast-close:hover { opacity: 1; }

/* ─── 반응형: 태블릿 ─────────────────────────────── */
@media (max-width: 991.98px) {
    .vt-summary { grid-template-columns: 1fr 1fr 1fr; }
    .sig-card-list { grid-template-columns: repeat(2, 1fr); }
    .vt-card-list { grid-template-columns: 1fr; }
}

/* ─── 반응형: 모바일 ─────────────────────────────── */
@media (max-width: 767.98px) {
    .sp-page { padding: 12px 0 30px; }
    .sp-page-title { font-size: 18px; }
    .sp-page-desc { font-size: 12px; }

    .vt-main-tab { padding: 8px 16px; font-size: 13px; }
    .vt-summary { grid-template-columns: 1fr 1fr; gap: 8px; }
    .vt-summary-main { grid-column: span 2; }
    .vt-summary-card { padding: 12px; }
    .vt-summary-value { font-size: 18px; }
    .vt-summary-sm { font-size: 14px; }

    /* 시그널 카드: 1열 */
    .sig-card-list { grid-template-columns: 1fr; }
    .sig-card { padding: 14px; }
    .sig-card-grid { grid-template-columns: 1fr 1fr; gap: 6px 10px; }

    /* 포트폴리오 카드: 1열 */
    .vt-card-list { grid-template-columns: 1fr; }
    .vt-card { padding: 14px; }
    .vt-card-grid { grid-template-columns: 1fr 1fr; gap: 8px 12px; }
    .vt-card-icon { width: 28px; height: 28px; }
    .vt-card-name { font-size: 13px; }
    .vt-card-reason { font-size: 11px; }

    /* 매매이력 카드: 1열 */
    .trade-card-list { grid-template-columns: 1fr; }
    .trade-card { padding: 14px; }
    .trade-card-grid { grid-template-columns: 1fr 1fr; gap: 6px 10px; }

    /* 코인 아이콘 크기 조정 */
    .spd-coin-icon { width: 22px; height: 22px; }
    .spd-coin-name { font-size: 13px; }
    .spd-coin-ticker { font-size: 10px; }

    /* 강도바 */
    .strength-bar { width: 40px; }

    /* 토스트: 모바일 */
    .vt-toast-container { top: 10px; right: 10px; left: 10px; }
    .vt-toast { min-width: 0; max-width: none; }
}

@media (max-width: 375px) {
    .vt-summary-value { font-size: 16px; }
    .vt-summary-sm { font-size: 13px; }
    .vt-summary-card { padding: 10px; }
}