* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #0F1B2D;
    color: #E0E6EF;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
header {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem 1rem;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.25rem;
}

h1 {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #FFFFFF;
}

.subtitle {
    font-size: 0.9rem;
    color: #8899AA;
    margin-bottom: 1rem;
}

#date-picker {
    background: #1a2940;
    color: #E0E6EF;
    border: 1px solid #2a3f5a;
    border-radius: 6px;
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    cursor: pointer;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1rem;
    border-bottom: 1px solid #2a3f5a;
}

.tab {
    background: none;
    color: #6B7280;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.6rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab:hover {
    color: #E0E6EF;
}

.tab.active {
    color: #FFFFFF;
    border-bottom-color: #2D7FF9;
}

.tab-count {
    font-size: 0.75rem;
    font-weight: 600;
    background: #2a3f5a;
    color: #8899AA;
    padding: 0.1rem 0.45rem;
    border-radius: 8px;
}

.tab.active .tab-count {
    background: rgba(45, 127, 249, 0.2);
    color: #5BA0FF;
}

/* Tab content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Filter buttons */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    background: #1a2940;
    color: #8899AA;
    border: 1px solid #2a3f5a;
    border-radius: 20px;
    padding: 0.35rem 1rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: #2D7FF9;
    color: #E0E6EF;
}

.filter-btn.active {
    background: #2D7FF9;
    border-color: #2D7FF9;
    color: #FFFFFF;
}

/* Main content */
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem 3rem;
}

.card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Cards */
.card {
    background: #1a2940;
    border: 1px solid #2a3f5a;
    border-radius: 10px;
    padding: 1.25rem;
    transition: border-color 0.2s;
}

.card:hover {
    border-color: #3a5f8a;
}

.card.hands-on {
    border-left: 3px solid #00D4AA;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.priority {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.priority-high {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
}

.priority-medium {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

.priority-low {
    background: rgba(107, 114, 128, 0.15);
    color: #8899AA;
}

.source {
    font-size: 0.75rem;
    color: #6B7280;
}

.card h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.card h2 a {
    color: #FFFFFF;
    text-decoration: none;
}

.card h2 a:hover {
    color: #2D7FF9;
}

.summary {
    font-size: 0.9rem;
    color: #B0BFCF;
    margin-bottom: 0.5rem;
}

.relevance {
    font-size: 0.85rem;
    color: #00D4AA;
    font-style: italic;
    margin-bottom: 0.75rem;
    padding-left: 0.75rem;
    border-left: 2px solid #00D4AA33;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.tag {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
}

.tag-models {
    background: rgba(45, 127, 249, 0.15);
    color: #5BA0FF;
}

.tag-tools {
    background: rgba(139, 92, 246, 0.15);
    color: #A78BFA;
}

.tag-marketing {
    background: rgba(16, 185, 129, 0.15);
    color: #34D399;
}

.tag-use-cases {
    background: rgba(245, 158, 11, 0.15);
    color: #FBBF24;
}

.tag-try-this {
    background: rgba(0, 212, 170, 0.15);
    color: #00D4AA;
}

.hands-on-badge {
    font-size: 0.7rem;
    font-weight: 600;
    color: #00D4AA;
    background: rgba(0, 212, 170, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
    border: 1px solid #00D4AA33;
}

/* Feedback buttons */
.feedback-btns {
    display: flex;
    gap: 0.3rem;
}

.fb-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid #2a3f5a;
    background: transparent;
    color: #6B7280;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.fb-btn:hover {
    border-color: #5a7f9a;
    color: #E0E6EF;
}

.fb-btn.voted {
    pointer-events: none;
}

.fb-up.voted {
    background: rgba(0, 212, 170, 0.15);
    border-color: #00D4AA;
    color: #00D4AA;
}

.fb-down.voted {
    background: rgba(239, 68, 68, 0.15);
    border-color: #EF4444;
    color: #EF4444;
}

/* Try This Week section */
.try-this-section {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.06), rgba(45, 127, 249, 0.04));
    border: 1px solid rgba(0, 212, 170, 0.15);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.try-this-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.try-this-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: #00D4AA;
}

.try-this-count {
    font-size: 0.8rem;
    color: #6B8F85;
}

.try-this-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.try-this-card {
    position: relative;
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid rgba(0, 212, 170, 0.15);
    border-radius: 8px;
    transition: all 0.2s;
    flex: 1 1 auto;
    min-width: 200px;
    max-width: 350px;
}

.try-this-card:hover {
    background: rgba(0, 212, 170, 0.14);
    border-color: #00D4AA;
}

.try-this-link {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.6rem 1.8rem 0.6rem 0.9rem;
    text-decoration: none;
}

.try-this-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #00D4AA;
}

.try-this-what {
    font-size: 0.82rem;
    color: #B0BFCF;
    line-height: 1.35;
}

.try-this-dismiss {
    position: absolute;
    top: 0.3rem;
    right: 0.4rem;
    width: 1.4rem;
    height: 1.4rem;
    padding: 0;
    background: transparent;
    border: none;
    color: #6B8F85;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 4px;
    opacity: 0;
    transition: all 0.15s;
}

.try-this-card:hover .try-this-dismiss {
    opacity: 0.7;
}

.try-this-dismiss:hover {
    opacity: 1 !important;
    background: rgba(255, 90, 90, 0.15);
    color: #ff7070;
}

.try-this-card.removing {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.2s;
}

/* Daily summary section */
.daily-summary-section {
    background: linear-gradient(135deg, rgba(45, 127, 249, 0.08), rgba(0, 212, 170, 0.04));
    border: 1px solid rgba(45, 127, 249, 0.18);
    border-radius: 12px;
    padding: 1.1rem 1.25rem;
    margin-bottom: 1rem;
}

.daily-summary-header h2 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #8FB6F5;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.daily-summary-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #D0D9E6;
}

/* Coverage badge (cluster size) */
.coverage-badge {
    font-size: 0.7rem;
    font-weight: 600;
    color: #FFB774;
    background: rgba(255, 183, 116, 0.12);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 183, 116, 0.25);
    margin-left: 0.5rem;
}

/* "Also covered by" sibling links */
.also-covered {
    font-size: 0.8rem;
    color: #6B8F85;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.also-covered-label {
    color: #6B8F85;
    margin-right: 0.3rem;
}

.also-covered-link {
    color: #8B9BAF;
    text-decoration: none;
    border-bottom: 1px dotted #4a5f7a;
    transition: color 0.15s;
}

.also-covered-link:hover {
    color: #B0C4D9;
    border-bottom-color: #8B9BAF;
}

/* Read/unread state */
.card.read {
    opacity: 0.55;
}

.card.read:hover {
    opacity: 0.85;
}

.card.read h2 a {
    color: #8899AA;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #6B7280;
}

/* Footer */
footer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem 2rem;
    text-align: center;
    color: #4B5563;
    font-size: 0.8rem;
}

/* Mobile */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
    }

    header {
        padding: 1.5rem 1rem 0.75rem;
    }

    main {
        padding: 0.75rem 1rem 2rem;
    }

    h1 {
        font-size: 1.4rem;
    }
}