/* === Daily Hub — Platform Stylesheet === */

:root {
    --bg: #FAFAFA;
    --surface: #FFFFFF;
    --border: #E5E7EB;
    --border-strong: #D1D5DB;
    --text: #111827;
    --text-muted: #6B7280;
    --text-subtle: #9CA3AF;
    --accent: #2563EB;
    --accent-hover: #1D4ED8;
    --hover: #F3F4F6;

    --radius: 8px;
    --radius-lg: 12px;

    --content-max: 1080px;
    --sidebar-width: 240px;
    --header-height: 56px;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Pretendard, "Apple SD Gothic Neo", "Noto Sans KR",
                 Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; }

/* === Shell Layout === */
.platform-shell {
    display: flex;
    min-height: 100vh;
}

.platform-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 20px 12px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.platform-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.platform-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.platform-content {
    flex: 1;
    padding: 32px 24px 64px;
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
}

/* === Brand === */
.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.01em;
}
/* === Sidebar === */
.sidebar-group { margin-bottom: 20px; }
.sidebar-group-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-subtle);
    padding: 0 10px 8px;
}
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 6px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.4;
    transition: background-color 0.12s ease;
}
.sidebar-link:hover { background: var(--hover); }
.sidebar-link.active {
    background: var(--hover);
    color: var(--accent);
    font-weight: 600;
}
.sidebar-link i {
    width: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}
.sidebar-link.active i { color: var(--accent); }

/* === Page Header === */
.page-header { margin-bottom: 32px; }
.page-title {
    font-size: 26px;
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: -0.015em;
    color: var(--text);
}
.page-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* === Section === */
.section { margin-bottom: 40px; }
.section-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin: 0 0 12px;
}

/* === Card Grid === */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}

/* === Launcher Card === */
.launcher-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.12s ease, transform 0.12s ease, box-shadow 0.12s ease;
}
.launcher-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.launcher-card-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--hover);
    color: var(--text);
    font-size: 14px;
    margin-bottom: 12px;
}
.launcher-card-title {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 4px;
    color: var(--text);
}
.launcher-card-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

/* === Mini widget === */
.mini-widget {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}
.mini-widget-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 8px;
    color: var(--text);
}
.mini-widget-placeholder {
    color: var(--text-subtle);
    font-size: 13px;
    padding: 24px 0;
    text-align: center;
}

/* === Widget === */
.widget {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.widget-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 8px;
}
.widget-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.widget-title i {
    color: var(--text-muted);
    font-size: 13px;
}
.widget-subtitle {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 8px;
    display: none;
}
.widget-body {
    font-size: 14px;
    color: var(--text);
    line-height: 1.7;
    max-height: 480px;
    overflow-y: auto;
    display: none;
}
.widget-body h1, .widget-body h2, .widget-body h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 16px 0 8px;
    color: var(--text);
}
.widget-body p { margin: 0 0 8px; }
.widget-body ul, .widget-body ol { padding-left: 20px; margin: 0 0 8px; }
.widget-body code {
    background: var(--hover);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 13px;
}
.widget-body pre {
    background: var(--hover);
    padding: 10px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 13px;
}
.widget-body a { color: var(--accent); }
.widget-date {
    font-size: 12px;
    color: var(--text-subtle);
    text-align: right;
    margin-top: 8px;
    display: none;
}
.widget-state {
    font-size: 13px;
    color: var(--text-subtle);
    text-align: center;
    padding: 16px 0;
}

/* === Widget Expand Button === */
.widget-expand-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-subtle);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    line-height: 1;
    transition: background-color 0.12s, color 0.12s, border-color 0.12s;
}
.widget-expand-btn:hover {
    background: var(--hover);
    color: var(--text);
    border-color: var(--border);
}

/* === Modal === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 100;
}
.modal-overlay[hidden] { display: none; }
.modal-panel {
    background: var(--surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 820px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border);
}
.modal-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}
.modal-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    line-height: 1.4;
    word-break: break-word;
}
.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    line-height: 1;
    flex-shrink: 0;
    transition: background-color 0.12s, color 0.12s;
}
.modal-close:hover {
    background: var(--hover);
    color: var(--text);
}
.modal-body {
    padding: 24px;
    overflow-y: auto;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text);
    flex: 1;
}
.modal-body h1, .modal-body h2, .modal-body h3 {
    font-weight: 600;
    margin: 20px 0 10px;
    color: var(--text);
}
.modal-body h1 { font-size: 19px; }
.modal-body h2 { font-size: 17px; }
.modal-body h3 { font-size: 15px; }
.modal-body p { margin: 0 0 12px; }
.modal-body ul, .modal-body ol { padding-left: 22px; margin: 0 0 12px; }
.modal-body li { margin-bottom: 4px; }
.modal-body code {
    background: var(--hover);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 14px;
}
.modal-body pre {
    background: var(--hover);
    padding: 14px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.6;
}
.modal-body blockquote {
    border-left: 3px solid var(--border-strong);
    padding-left: 12px;
    margin: 0 0 12px;
    color: var(--text-muted);
}
.modal-body a { color: var(--accent); }
.modal-date {
    margin-top: 16px;
    color: var(--text-subtle);
    font-size: 12px;
    text-align: right;
}

/* === Chips === */
.chip-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.chip {
    padding: 4px 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    font-size: 12px;
    border-radius: 999px;
    cursor: pointer;
    line-height: 1.4;
    transition: background-color 0.12s, border-color 0.12s, color 0.12s;
}
.chip:hover {
    background: var(--hover);
    color: var(--text);
}
.chip.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* === Market Chart === */
.market-chart-canvas {
    position: relative;
    height: 280px;
}
.market-chart-canvas canvas { max-width: 100%; }

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.12s, border-color 0.12s, color 0.12s;
}
.btn:hover { background: var(--hover); }
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}
.btn-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* === Tool Panel === */
.tool-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.tool-textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    font-family: "D2Coding", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.12s, box-shadow 0.12s;
}
.tool-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.tool-error {
    margin-top: 12px;
    padding: 10px 12px;
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #B91C1C;
    border-radius: 6px;
    font-size: 13px;
}
.tool-output-wrap {
    position: relative;
    margin-top: 12px;
}
.tool-output {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    padding-right: 44px;
    font-family: "D2Coding", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text);
    max-height: 480px;
    overflow-y: auto;
    margin: 0;
}
.tool-copy {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    color: var(--text-muted);
    cursor: pointer;
    transition: background-color 0.12s, color 0.12s;
}
.tool-copy:hover {
    background: var(--hover);
    color: var(--text);
}

/* === Content Viewer === */
.viewer-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.viewer-tab {
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.12s, border-color 0.12s;
}
.viewer-tab:hover { color: var(--text); }
.viewer-tab.is-active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 8px;
}
.viewer-count {
    color: var(--text-muted);
    font-size: 13px;
}
.viewer-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.viewer-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    cursor: pointer;
    transition: border-color 0.12s, box-shadow 0.12s;
}
.viewer-card:hover { border-color: var(--border-strong); }
.viewer-card.is-expanded { border-color: var(--accent); }
.viewer-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.viewer-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.viewer-card-title {
    font-size: 14px;
    color: var(--text);
    font-weight: 500;
}
.viewer-card-time {
    color: var(--text-subtle);
    font-size: 12px;
    white-space: nowrap;
}
.viewer-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.viewer-badge-tech { background: #EEF2FF; color: #4338CA; }
.viewer-badge-youtube { background: #FEF2F2; color: #B91C1C; }
.viewer-badge-news { background: #ECFDF5; color: #047857; }
.viewer-detail {
    display: none;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.viewer-card.is-expanded .viewer-detail { display: block; }
.viewer-detail-label {
    color: var(--text-subtle);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 6px;
    letter-spacing: 0.04em;
}
.viewer-detail-content {
    background: var(--bg);
    border-radius: 6px;
    padding: 14px 16px;
    color: var(--text);
    font-size: 13px;
    line-height: 1.7;
    max-height: 480px;
    overflow-y: auto;
    word-break: break-word;
}
.viewer-detail-content h1,
.viewer-detail-content h2,
.viewer-detail-content h3 {
    font-size: 14px;
    font-weight: 600;
    margin: 12px 0 6px;
    color: var(--text);
}
.viewer-detail-content p { margin: 0 0 6px; }
.viewer-detail-content code {
    background: var(--hover);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 12px;
}
.viewer-detail-content pre {
    background: var(--hover);
    padding: 10px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 12px;
}
.viewer-detail-content a { color: var(--accent); }
.viewer-empty,
.viewer-loading {
    padding: 48px 16px;
    text-align: center;
    color: var(--text-subtle);
    font-size: 13px;
}
.viewer-loading i { display: block; margin-bottom: 8px; }
.viewer-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}
.viewer-page-btn {
    padding: 6px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: background-color 0.12s, color 0.12s;
}
.viewer-page-btn:hover:not(:disabled) {
    background: var(--hover);
    color: var(--text);
}
.viewer-page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.viewer-page-info {
    color: var(--text-muted);
    font-size: 13px;
}

/* === Mobile Tabbar === */
.mobile-tabbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding-bottom: env(safe-area-inset-bottom);
    z-index: 50;
}
.mobile-tabbar-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}
.mobile-tabbar-list li { flex: 1; }
.mobile-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 4px;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.2;
    transition: color 0.12s;
}
.mobile-tab i { font-size: 18px; }
.mobile-tab:hover { color: var(--text); }
.mobile-tab.is-active { color: var(--accent); }

/* === Mobile === */
@media (max-width: 768px) {
    .platform-sidebar { display: none; }
    .platform-content {
        padding: 20px 16px;
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }
    .mobile-tabbar { display: block; }

    .page-title { font-size: 22px; }
    .tool-panel { padding: 16px; }

    .modal-overlay { padding: 12px; }
    .modal-head { padding: 16px 18px; }
    .modal-body {
        padding: 18px;
        font-size: 14px;
        line-height: 1.75;
    }
    .modal-title { font-size: 16px; }

    .viewer-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        scrollbar-width: thin;
    }
    .viewer-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }
}