/* ── Acronyms Page Styles ─────────────────────────────── */

.sf-acronyms__hero {
    text-align: center;
    padding: 48px 24px 32px;
    max-width: 800px;
    margin: 0 auto;
}
.sf-acronyms__hero h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--sf-text-primary, #181818);
    margin-bottom: 10px;
}
.sf-acronyms__hero p {
    font-size: 16px;
    color: var(--sf-text-secondary, #444746);
    margin-bottom: 0;
}

/* Search */
.sf-acronyms__search-wrap {
    max-width: 640px;
    margin: 0 auto 8px;
    padding: 0 24px;
}
.sf-acronyms__search {
    position: relative;
}
.sf-acronyms__search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--sf-text-tertiary, #706e6b);
    pointer-events: none;
}
.sf-acronyms__search input {
    width: 100%;
    padding: 12px 44px 12px 44px;
    border: 2px solid var(--sf-border, #d8dde6);
    border-radius: 10px;
    font-size: 15px;
    background: var(--sf-bg-card, #fff);
    color: var(--sf-text-primary, #181818);
    transition: border-color 0.2s;
    outline: none;
}
.sf-acronyms__search input:focus {
    border-color: #0176d3;
    box-shadow: 0 0 0 3px rgba(1,118,211,0.15);
}
.sf-acronyms__search input::placeholder {
    color: var(--sf-text-tertiary, #706e6b);
}
.sf-acronyms__search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 22px;
    color: var(--sf-text-tertiary, #706e6b);
    cursor: pointer;
    display: none;
    padding: 4px 8px;
    line-height: 1;
}
.sf-acronyms__search-clear.visible {
    display: block;
}

/* Stats bar */
.sf-acronyms__stats {
    max-width: 1100px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--sf-text-tertiary, #706e6b);
}
.sf-acronyms__stats-count {
    font-weight: 600;
}

/* Alphabet bar */
.sf-acronyms__alpha {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: center;
    max-width: 700px;
    margin: 16px auto 0;
    padding: 0 24px;
}
.sf-acronyms__alpha button {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--sf-border, #d8dde6);
    background: var(--sf-bg-card, #fff);
    color: var(--sf-text-primary, #181818);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}
.sf-acronyms__alpha button:hover {
    background: #0176d3;
    color: #fff;
    border-color: #0176d3;
}
.sf-acronyms__alpha button.active {
    background: #0176d3;
    color: #fff;
    border-color: #0176d3;
}
.sf-acronyms__alpha button.disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

/* Table container */
.sf-acronyms__table-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px 48px;
}

/* Letter group heading */
.sf-acronyms__letter-heading {
    font-size: 22px;
    font-weight: 700;
    color: #0176d3;
    padding: 24px 0 8px;
    border-bottom: 2px solid #0176d3;
    margin-bottom: 0;
    scroll-margin-top: 80px;
}

/* Table */
.sf-acronyms__table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}
.sf-acronyms__table thead th {
    text-align: left;
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sf-text-tertiary, #706e6b);
    border-bottom: 2px solid var(--sf-border, #d8dde6);
    position: sticky;
    top: 0;
    background: var(--sf-bg, #f4f6f9);
    z-index: 2;
}
.sf-acronyms__table tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--sf-border-light, #e5e5e5);
    font-size: 14px;
    color: var(--sf-text-primary, #181818);
    vertical-align: top;
    line-height: 1.5;
}
.sf-acronyms__table tbody tr:hover {
    background: var(--sf-bg-hover, rgba(1,118,211,0.04));
}
.sf-acronyms__table .col-acronym {
    width: 100px;
    font-weight: 700;
    font-size: 15px;
    color: #0176d3;
    white-space: nowrap;
}
.sf-acronyms__table .col-meaning {
    width: 200px;
    font-weight: 600;
}
.sf-acronyms__table .col-definition {
    width: 38%;
}
.sf-acronyms__table .col-usecase {
    width: 38%;
    color: var(--sf-text-secondary, #444746);
    font-style: italic;
}

/* Highlight match */
.sf-acronyms__highlight {
    background: rgba(1,118,211,0.15);
    border-radius: 2px;
    padding: 0 1px;
}

/* No results */
.sf-acronyms__empty {
    text-align: center;
    padding: 64px 24px;
    color: var(--sf-text-tertiary, #706e6b);
}
.sf-acronyms__empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}
.sf-acronyms__empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--sf-text-primary, #181818);
    margin-bottom: 6px;
}

/* Responsive */
@media (max-width: 768px) {
    .sf-acronyms__hero h1 { font-size: 22px; }
    .sf-acronyms__table thead { display: none; }
    .sf-acronyms__table,
    .sf-acronyms__table tbody,
    .sf-acronyms__table tr,
    .sf-acronyms__table td {
        display: block;
    }
    .sf-acronyms__table tbody tr {
        padding: 14px;
        margin-bottom: 10px;
        border: 1px solid var(--sf-border, #d8dde6);
        border-radius: 10px;
        background: var(--sf-bg-card, #fff);
    }
    .sf-acronyms__table tbody td {
        border: none;
        padding: 4px 0;
    }
    .sf-acronyms__table .col-acronym {
        font-size: 17px;
        margin-bottom: 2px;
    }
    .sf-acronyms__table .col-meaning {
        width: auto;
        font-size: 14px;
        color: var(--sf-text-secondary, #444746);
        margin-bottom: 8px;
    }
    .sf-acronyms__table .col-definition { width: auto; }
    .sf-acronyms__table .col-usecase {
        width: auto;
        font-size: 13px;
        padding-top: 6px;
        border-top: 1px solid var(--sf-border-light, #e5e5e5);
        margin-top: 6px;
    }
    .sf-acronyms__table .col-usecase::before {
        content: 'Example: ';
        font-weight: 600;
        font-style: normal;
    }
}