/* ── Feed page ─────────────────────────────────────── */

.feed-page {
    padding-top: 88px;
    min-height: 100vh;
}

.feed-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.feed-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-white);
}

/* ── Connection status indicator ───────────────────── */

.feed-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-muted);
    transition: background 0.3s;
}

.status-dot.connected {
    background: #34d399;
    box-shadow: 0 0 6px #34d39980;
}

.status-dot.disconnected {
    background: #f87171;
}

.status-dot.connecting {
    background: #fbbf24;
    animation: pulse-dot 1s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ── Source filter dropdown ─────────────────────────── */

.filter-dropdown {
    position: relative;
    margin-bottom: 24px;
}

.filter-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: border-color 0.2s;
}

.filter-toggle:hover,
.filter-toggle.open {
    border-color: var(--color-accent);
}

.filter-arrow {
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.filter-toggle.open .filter-arrow {
    transform: rotate(180deg);
}

.filter-panel {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 260px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 8px 0;
    z-index: 50;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.filter-panel.open {
    display: block;
}

.filter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    cursor: default;
}

.filter-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.filter-name {
    font-size: 0.88rem;
    color: var(--color-text);
}

/* ── iOS-style toggle ──────────────────────────────── */

.ios-toggle {
    width: 44px;
    height: 24px;
    border-radius: 12px;
    background: #555;
    position: relative;
    cursor: pointer;
    transition: background 0.25s;
    flex-shrink: 0;
}

.ios-toggle.active {
    background: #34d399;
}

.ios-toggle-knob {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-white);
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.25s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.ios-toggle.active .ios-toggle-knob {
    transform: translateX(20px);
}

/* ── News cards ────────────────────────────────────── */

.feed-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color 0.2s;
}

.news-card:hover {
    border-color: var(--color-accent);
}

.news-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.news-source {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.news-time {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.news-body {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

.news-tags {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.news-tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 999px;
    background: var(--color-accent, #3b82f6);
    color: #fff;
    opacity: 0.85;
    letter-spacing: 0.02em;
}

.news-links {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.news-links a {
    font-size: 0.8rem;
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s;
}

.news-links a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

/* ── Entrance animation ────────────────────────────── */

.news-card-enter {
    animation: slide-in 0.35s ease-out;
}

@keyframes slide-in {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Infinite scroll sentinel ──────────────────────── */

.feed-sentinel {
    display: flex;
    justify-content: center;
    padding: 32px 0;
    min-height: 48px;
}

.feed-loader {
    width: 28px;
    height: 28px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
}

.feed-loader.visible {
    opacity: 1;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Empty state ───────────────────────────────────── */

.feed-empty {
    text-align: center;
    padding: 80px 0;
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

/* ── Scroll-to-top button ──────────────────────────── */

.scroll-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 90;
    padding: 8px;
}

.scroll-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.scroll-top:hover {
    color: var(--color-white);
}

/* ── Mobile ────────────────────────────────────────── */

@media (max-width: 768px) {
    .feed-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .news-card {
        padding: 18px;
    }
}