/* ============================================================
 * EKP Calculators — Modern Clean Design System
 * كل الأنماط معزولة تحت .ekp-calc-archive و .ekp-calc-shortcode
 * ============================================================ */

.ekp-calc-archive,
.ekp-calc-shortcode {
    --ekp-primary: #4F46E5;
    --ekp-primary-dark: #4338CA;
    --ekp-accent: #06B6D4;
    --ekp-ink: #0F172A;
    --ekp-body: #475569;
    --ekp-muted: #94A3B8;
    --ekp-bg: #F8FAFC;
    --ekp-white: #FFFFFF;
    --ekp-border: #E2E8F0;
    --ekp-green: #10B981;
    --ekp-orange: #F59E0B;
    --ekp-red: #EF4444;
    --ekp-radius: 20px;
    --ekp-radius-sm: 12px;
    --ekp-shadow-sm: 0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
    --ekp-shadow-md: 0 4px 14px rgba(15,23,42,.08);
    --ekp-shadow-lg: 0 20px 40px -12px rgba(79,70,229,.25);

    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, sans-serif;
    direction: rtl;
    color: var(--ekp-ink);
    box-sizing: border-box;
}
.ekp-calc-archive *, .ekp-calc-shortcode * { box-sizing: border-box; }

.ekp-calc-archive { max-width: 1240px; margin: 0 auto; padding: 40px 20px 90px; background: var(--ekp-bg); }

/* ---------- Hero ---------- */
.ekp-archive-hero {
    position: relative;
    background: linear-gradient(135deg, #EEF2FF 0%, #ECFEFF 100%);
    border-radius: 28px;
    padding: 56px 40px;
    margin-bottom: 24px;
    overflow: hidden;
    isolation: isolate;
}
.ekp-archive-hero::before {
    content: "";
    position: absolute;
    inset-inline-end: -100px;
    top: -100px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(79,70,229,.15), transparent 70%);
    border-radius: 50%;
    z-index: -1;
}
.ekp-archive-hero::after {
    content: "";
    position: absolute;
    inset-inline-start: -60px;
    bottom: -80px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(6,182,212,.15), transparent 70%);
    border-radius: 50%;
    z-index: -1;
}
.ekp-hero-inner { max-width: 720px; }
.ekp-hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--ekp-white);
    color: var(--ekp-primary);
    font-weight: 700;
    font-size: 13px;
    padding: 7px 16px;
    border-radius: 999px;
    margin-bottom: 18px;
    box-shadow: var(--ekp-shadow-sm);
}
.ekp-hero-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    margin: 0 0 12px;
    line-height: 1.25;
    color: var(--ekp-ink);
}
.ekp-hero-desc { font-size: 16px; color: var(--ekp-body); margin: 0; font-weight: 500; line-height: 1.7; }

/* ---------- Filters bar ---------- */
.ekp-filters-bar {
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--ekp-border);
    border-radius: var(--ekp-radius);
    box-shadow: var(--ekp-shadow-md);
    padding: 22px 24px;
    margin-bottom: 24px;
    position: sticky;
    top: 12px;
    z-index: 20;
}
.ekp-search-box { margin-bottom: 16px; position: relative; }
.ekp-search-box input {
    width: 100%;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    padding: 13px 18px;
    border: 1.5px solid var(--ekp-border);
    border-radius: var(--ekp-radius-sm);
    background: var(--ekp-bg);
    outline: none;
    color: var(--ekp-ink);
    transition: border-color .2s, background .2s, box-shadow .2s;
}
.ekp-search-box input::placeholder { color: var(--ekp-muted); font-weight: 500; }
.ekp-search-box input:focus {
    border-color: var(--ekp-primary);
    background: var(--ekp-white);
    box-shadow: 0 0 0 4px rgba(79,70,229,.1);
}
.ekp-chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.ekp-chip-row + .ekp-chip-row { margin-top: 10px; }
.ekp-chip {
    font-family: inherit;
    font-weight: 600;
    font-size: 13.5px;
    background: var(--ekp-bg);
    color: var(--ekp-body);
    border: 1.5px solid transparent;
    border-radius: 999px;
    padding: 8px 18px;
    cursor: pointer;
    transition: all .18s ease;
}
.ekp-chip:hover { background: #EEF2FF; color: var(--ekp-primary); }
.ekp-chip.is-active {
    background: var(--ekp-primary);
    color: var(--ekp-white);
    box-shadow: 0 4px 12px rgba(79,70,229,.3);
}
.ekp-chip--sm { font-size: 12.5px; padding: 6px 14px; }
.ekp-chip--basic.is-active { background: var(--ekp-green); box-shadow: 0 4px 12px rgba(16,185,129,.3); }
.ekp-chip--intermediate.is-active { background: var(--ekp-orange); box-shadow: 0 4px 12px rgba(245,158,11,.3); }
.ekp-chip--advanced.is-active { background: var(--ekp-red); box-shadow: 0 4px 12px rgba(239,68,68,.3); }

/* ---------- Results meta ---------- */
.ekp-results-meta { font-weight: 600; color: var(--ekp-muted); margin-bottom: 18px; font-size: 14px; }

/* ---------- Grid ---------- */
.ekp-calc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.ekp-calc-grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.ekp-calc-grid--cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .ekp-calc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .ekp-calc-grid { grid-template-columns: 1fr; } }

/* ---------- Card ---------- */
.ekp-calc-card {
    position: relative;
    background: var(--ekp-white);
    border: 1px solid var(--ekp-border);
    border-radius: var(--ekp-radius);
    box-shadow: var(--ekp-shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ekp-calc-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--ekp-shadow-lg);
    border-color: transparent;
}
.ekp-calc-card.is-featured { border: 1.5px solid var(--ekp-primary); }

/* Slim gradient accent bar instead of a hard resistor band */
.ekp-resistor-band { display: block; height: 5px; width: 100%; }
.ekp-band--basic { background: linear-gradient(90deg, var(--ekp-green), #34D399); }
.ekp-band--intermediate { background: linear-gradient(90deg, var(--ekp-orange), #FBBF24); }
.ekp-band--advanced { background: linear-gradient(90deg, var(--ekp-red), #F87171); }
.ekp-band--none { background: linear-gradient(90deg, var(--ekp-primary), var(--ekp-accent)); opacity: .5; }

.ekp-ribbon {
    position: absolute;
    top: 14px;
    inset-inline-start: 14px;
    background: var(--ekp-primary);
    color: var(--ekp-white);
    font-weight: 700;
    font-size: 11.5px;
    padding: 6px 14px;
    border-radius: 999px;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(79,70,229,.35);
}
.ekp-ribbon--alt { background: var(--ekp-ink); }

.ekp-card-media {
    background: var(--ekp-bg);
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.ekp-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease; }
.ekp-calc-card:hover .ekp-card-media img { transform: scale(1.06); }
.ekp-card-media--placeholder {
    font-size: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
    background: linear-gradient(135deg, #EEF2FF, #ECFEFF);
}

.ekp-card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; }

.ekp-diff-badge {
    align-self: flex-start;
    font-size: 11.5px;
    font-weight: 700;
    color: var(--ekp-white);
    padding: 4px 12px;
    border-radius: 999px;
}
.ekp-diff-badge--basic { background: var(--ekp-green); }
.ekp-diff-badge--intermediate { background: var(--ekp-orange); }
.ekp-diff-badge--advanced { background: var(--ekp-red); }

.ekp-card-title { font-size: 17.5px; font-weight: 700; margin: 0; line-height: 1.45; }
.ekp-card-title a { color: var(--ekp-ink); text-decoration: none; transition: color .2s; }
.ekp-card-title a:hover { color: var(--ekp-primary); }

.ekp-card-excerpt { font-size: 13.5px; color: var(--ekp-body); font-weight: 500; margin: 0; flex: 1; line-height: 1.7; }

.ekp-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    margin-top: 10px;
    background: var(--ekp-bg);
    color: var(--ekp-primary);
    font-weight: 700;
    font-size: 14px;
    padding: 11px 18px;
    border-radius: var(--ekp-radius-sm);
    text-decoration: none;
    border: none;
    transition: background .2s, color .2s, transform .15s;
}
.ekp-card-btn:hover {
    background: linear-gradient(135deg, var(--ekp-primary), var(--ekp-accent));
    color: var(--ekp-white);
    transform: translateX(-2px);
}

/* ---------- No results / loading ---------- */
.ekp-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 64px 20px;
    font-weight: 600;
    color: var(--ekp-muted);
    background: var(--ekp-white);
    border: 1.5px dashed var(--ekp-border);
    border-radius: var(--ekp-radius);
}
.ekp-calc-grid.is-loading { opacity: .5; pointer-events: none; transition: opacity .2s; }

/* ---------- Pagination / Load more ---------- */
.ekp-pagination-wrap { text-align: center; margin-top: 40px; }
.ekp-load-more-btn {
    font-family: inherit;
    font-weight: 700;
    font-size: 14.5px;
    background: var(--ekp-white);
    color: var(--ekp-primary);
    border: 1.5px solid var(--ekp-primary);
    border-radius: 999px;
    padding: 13px 34px;
    cursor: pointer;
    transition: all .2s ease;
}
.ekp-load-more-btn:hover {
    background: linear-gradient(135deg, var(--ekp-primary), var(--ekp-accent));
    color: var(--ekp-white);
    box-shadow: 0 8px 20px rgba(79,70,229,.3);
    transform: translateY(-2px);
}
.ekp-load-more-btn[disabled] { opacity: .6; cursor: default; transform: none; box-shadow: none; }

/* ---------- Shortcode embed variant ---------- */
.ekp-calc-shortcode { margin: 24px 0; }

/* ============================================================
 * Directory Style (Sitemap-style category boxes)
 * ============================================================ */

.ekp-dir-hero { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.ekp-dir-hero .ekp-hero-kicker {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--ekp-white); color: var(--ekp-primary);
    font-weight: 700; font-size: 13px; padding: 7px 16px;
    border-radius: 999px; margin-bottom: 16px; box-shadow: var(--ekp-shadow-sm);
}
.ekp-dir-hero .ekp-hero-title { font-size: clamp(26px, 4vw, 38px); font-weight: 800; margin: 0 0 10px; color: var(--ekp-ink); }
.ekp-dir-hero .ekp-hero-desc { font-size: 15.5px; color: var(--ekp-body); font-weight: 500; margin: 0 0 22px; line-height: 1.7; }

.ekp-dir-search-box { max-width: 460px; margin: 0 auto; }
.ekp-dir-search-box input {
    width: 100%;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    padding: 13px 20px;
    border: 1.5px solid var(--ekp-border);
    border-radius: 999px;
    background: var(--ekp-white);
    outline: none;
    color: var(--ekp-ink);
    box-shadow: var(--ekp-shadow-sm);
    transition: border-color .2s, box-shadow .2s;
}
.ekp-dir-search-box input::placeholder { color: var(--ekp-muted); font-weight: 500; }
.ekp-dir-search-box input:focus { border-color: var(--ekp-primary); box-shadow: 0 0 0 4px rgba(79,70,229,.1); }

/* Masonry column layout for category boxes */
.ekp-directory {
    column-count: 5;
    column-gap: 22px;
}
.ekp-directory--single { column-count: 1; max-width: 560px; margin: 0 auto; }
@media (max-width: 1200px) { .ekp-directory { column-count: 4; } }
@media (max-width: 980px)  { .ekp-directory { column-count: 3; } }
@media (max-width: 680px)  { .ekp-directory { column-count: 2; } }
@media (max-width: 460px)  { .ekp-directory { column-count: 1; } }

.ekp-dir-box {
    break-inside: avoid;
    display: inline-block;
    width: 100%;
    margin-bottom: 22px;
    background: var(--ekp-white);
    border: 1px solid #DDE7F3;
    border-radius: 12px;
    box-shadow: var(--ekp-shadow-sm);
    overflow: hidden;
    transition: box-shadow .2s ease, border-color .2s ease;
}
.ekp-dir-box:hover { box-shadow: var(--ekp-shadow-md); border-color: #C7D9EE; }

.ekp-dir-box-header {
    padding: 15px 18px 13px;
    border-bottom: 1px solid #EEF2F8;
    font-weight: 700;
    font-size: 15px;
    color: var(--ekp-ink);
}
.ekp-dir-box-header a { color: inherit; text-decoration: none; }
.ekp-dir-box-header a:hover { color: var(--ekp-primary); }

.ekp-dir-box-list { list-style: none; margin: 0; padding: 6px 0; }
.ekp-dir-item { border-bottom: 1px solid #F4F7FB; }
.ekp-dir-item:last-child { border-bottom: none; }
.ekp-dir-item--empty { padding: 14px 18px; color: var(--ekp-muted); font-weight: 500; font-size: 13.5px; }

.ekp-dir-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 18px;
    color: #3E6FAE;
    text-decoration: none;
    font-size: 13.8px;
    font-weight: 600;
    transition: background .15s ease, color .15s ease, padding-inline-start .15s ease;
}
.ekp-dir-item a:hover {
    background: #F6F9FE;
    color: var(--ekp-primary-dark);
}
.ekp-dir-item-text { flex: 1; }
.ekp-dir-item-arrow {
    color: var(--ekp-muted);
    font-size: 15px;
    font-weight: 700;
    transition: transform .15s ease, color .15s ease;
}
.ekp-dir-item a:hover .ekp-dir-item-arrow { color: var(--ekp-primary); transform: translateX(-3px); }

.ekp-dir-box-more {
    display: block;
    text-align: center;
    padding: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--ekp-primary);
    background: #F6F9FE;
    text-decoration: none;
    border-top: 1px solid #EEF2F8;
}
.ekp-dir-box-more:hover { background: #EEF2FF; }

.ekp-dir-box.is-hidden { display: none; }
.ekp-dir-item.is-hidden { display: none; }