.doc-toolbar {
    background: var(--color-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 1.1rem 1.4rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.doc-filter-pills {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.doc-filter-pills button {
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: .82rem;
    font-weight: 600;
    padding: .5rem 1.1rem;
    border-radius: 999px;
    transition: all var(--transition-base);
}

.doc-filter-pills button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.doc-filter-pills button.active {
    background: var(--gradient-brand);
    border-color: transparent;
    color: #fff;
}

.doc-search {
    position: relative;
    min-width: 240px;
    flex: 1;
    max-width: 320px;
}

.doc-search i {
    position: absolute;
    left: .95rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
    font-size: .9rem;
    pointer-events: none;
}

.doc-search input {
    width: 100%;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: 999px;
    padding: .6rem 1rem .6rem 2.4rem;
    font-size: .85rem;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.doc-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 .18rem rgba(0, 155, 79, .14);
}

.doc-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    height: 100%;
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
}

.doc-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-soft-hover);
}

.doc-card.is-featured {
    border: 2px solid #E11D48;
    box-shadow: 0 0 0 4px rgba(225, 29, 72, .08);
}

.doc-card .doc-ribbon {
    position: absolute;
    top: .85rem;
    left: .85rem;
    z-index: 2;
    background: #E11D48;
    color: #fff;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: .3rem .7rem;
    border-radius: 999px;
    box-shadow: 0 4px 10px rgba(225, 29, 72, .3);
}

.doc-thumb {
    aspect-ratio: 4 / 3.1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.doc-thumb .doc-thumb-icon {
    font-size: 3.6rem;
    opacity: .18;
    position: absolute;
}

.doc-thumb .doc-thumb-label {
    position: relative;
    z-index: 1;
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.2;
    padding: 0 1rem;
}

.doc-thumb--slate {
    background: linear-gradient(155deg, #52525b 0%, #27272a 100%);
}

.doc-thumb--slate .doc-thumb-label {
    font-size: .82rem;
    letter-spacing: .02em;
}

.doc-thumb--slate .doc-thumb-icon {
    font-size: 5.2rem;
    opacity: .16;
}

.doc-thumb--cover-blue {
    background: linear-gradient(160deg, #2563EB 0%, #1E1B4B 100%);
}

.doc-thumb--cover-blue .doc-thumb-label {
    font-size: 1.55rem;
}

.doc-thumb--cover-green {
    background: linear-gradient(160deg, #4D7C0F 0%, #14532D 100%);
}

.doc-thumb--cover-green .doc-thumb-label {
    font-size: 1.05rem;
}

.doc-thumb--cover-house {
    background: linear-gradient(160deg, #78716C 0%, #292524 100%);
}

.doc-thumb--cover-house .doc-thumb-label {
    font-size: 1.05rem;
}

.doc-thumb-tag {
    position: absolute;
    bottom: .7rem;
    left: .7rem;
    z-index: 1;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .3);
    color: #fff;
    font-size: .68rem;
    font-weight: 600;
    padding: .2rem .6rem;
    border-radius: 999px;
    backdrop-filter: blur(3px);
}

.doc-card-body {
    padding: 1.2rem 1.25rem 1.4rem;
}

.doc-card-title {
    font-size: .95rem;
    line-height: 1.4;
    min-height: 2.6em;
    margin-bottom: .6rem;
}

.doc-card-title a {
    color: var(--color-heading);
}

.doc-card-title a:hover {
    color: var(--color-primary);
}

.doc-card-meta {
    font-size: .8rem;
    color: var(--color-muted);
    margin-bottom: .9rem;
}

.doc-download-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-weight: 700;
    font-size: .88rem;
    color: #E11D48;
}

.doc-download-btn:hover {
    color: #9F1239;
}

.doc-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-muted);
}

.doc-empty-state i {
    font-size: 2.4rem;
    color: var(--color-border);
    margin-bottom: .75rem;
    display: block;
}