/* ==========================================================
   FaxCore Downloads — Public + Admin shared styles
   Compatible with IE11+ / modern browsers
   ========================================================== */

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

:root {
    --color-bg:          #f5f6fa;
    --color-surface:     #ffffff;
    --color-border:      #e2e5ed;
    --color-text:        #1f2937;
    --color-text-muted:  #6b7280;
    --color-primary:     #1d4ed8;
    --color-primary-dk:  #1e40af;
    --color-accent:      #0ea5e9;
    --color-ok:          #16a34a;
    --color-warn:        #d97706;
    --color-danger:      #dc2626;
    --color-badge-bg:    #dbeafe;
    --color-badge-text:  #1e40af;
    --radius:            6px;
    --shadow-sm:         0 1px 3px rgba(0,0,0,.08);
    --shadow-md:         0 4px 12px rgba(0,0,0,.10);
    --font-sans:         'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono:         'Consolas', 'Courier New', monospace;
}

body {
    margin: 0; padding: 0;
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px; font-weight: 500;
    cursor: pointer; border: 1px solid transparent;
    text-decoration: none; transition: background .15s, border-color .15s;
}
.btn-primary   { background: var(--color-primary);  color: #fff; }
.btn-primary:hover { background: var(--color-primary-dk); text-decoration: none; }
.btn-secondary { background: var(--color-surface); color: var(--color-text);
                 border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-bg); text-decoration: none; }
.btn-outline   { background: transparent; color: var(--color-primary);
                 border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-badge-bg); text-decoration: none; }
.btn-sm { padding: 5px 11px; font-size: 13px; }

/* ---------- Site Header ---------- */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 0;
    position: sticky; top: 0; z-index: 100;
    box-shadow: var(--shadow-sm);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
}
.site-logo {
    font-size: 18px; font-weight: 700; color: var(--color-primary);
}
.site-logo .fa { margin-right: 6px; }

/* ---------- Main ---------- */
.main-content { padding: 36px 20px 60px; }

.page-intro { margin-bottom: 28px; }
.page-intro h1 { margin: 0 0 6px; font-size: 26px; }
.page-intro p  { margin: 0; color: var(--color-text-muted); }

/* ---------- Category Tabs ---------- */
.category-tabs {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-bottom: 28px;
}
.cat-tab {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 13px; font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: background .12s, border-color .12s;
}
.cat-tab:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.cat-tab.active {
    background: var(--color-badge-bg);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ---------- Product Grid ---------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
    display: flex; flex-direction: column; gap: 12px;
}
.product-card-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 10px;
}
.product-name {
    margin: 0; font-size: 17px; font-weight: 700;
}
.product-category {
    font-size: 11px; font-weight: 600;
    background: var(--color-badge-bg); color: var(--color-badge-text);
    padding: 2px 8px; border-radius: 12px;
    white-space: nowrap;
}
.product-desc {
    margin: 0; color: var(--color-text-muted); font-size: 14px;
}
.compat-badge {
    font-size: 12px; color: var(--color-text-muted);
    background: #f9fafb; border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 5px 10px;
    display: inline-flex; align-items: center; gap: 5px;
}

/* ---------- Latest Release ---------- */
.latest-release {
    border-top: 1px solid var(--color-border);
    padding-top: 12px;
    display: flex; flex-direction: column; gap: 10px;
}
.release-meta { display: flex; align-items: center; gap: 12px; }
.version-badge {
    background: var(--color-primary); color: #fff;
    font-size: 12px; font-weight: 700;
    padding: 3px 9px; border-radius: 4px;
    font-family: var(--font-mono);
}
.release-date {
    font-size: 13px; color: var(--color-text-muted);
}
.release-date .fa { margin-right: 4px; }

.download-btn {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px; font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: background .12s, border-color .12s;
}
.download-btn:hover {
    background: var(--color-badge-bg);
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}
.download-btn .fa { margin-right: 6px; color: var(--color-primary); }
.file-size {
    font-size: 12px; color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.no-release { font-size: 13px; color: var(--color-text-muted); margin: 0; }

.product-card-footer {
    border-top: 1px solid var(--color-border);
    padding-top: 10px;
    margin-top: auto;
}
.link-history { font-size: 13px; color: var(--color-text-muted); }
.link-history:hover { color: var(--color-primary); }
.link-history .fa { margin-right: 4px; }

/* ---------- Empty state ---------- */
.empty-state {
    text-align: center; padding: 60px 20px;
    color: var(--color-text-muted);
}
.empty-state .fa { font-size: 48px; margin-bottom: 14px; display: block; }

/* ---------- Site Footer ---------- */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 18px 0;
    text-align: center;
    font-size: 13px; color: var(--color-text-muted);
}

/* ---------- Utility ---------- */
.text-ok     { color: var(--color-ok); }
.text-warn   { color: var(--color-warn); }
.text-danger { color: var(--color-danger); }
.text-muted  { color: var(--color-text-muted); }
.error-msg   { color: var(--color-danger); font-size: 13px; }