/**
 * Optico Filter Pro - Frame Size & Fit (sidebar cards + Size Guide modal)
 * সব ক্লাস .optico-size-* নামস্পেসে, তাই বিদ্যমান optico-frontend.css-এর সাথে সংঘাত নেই।
 */

/* ========================================================
   SECTION HEADER (টাইটেল + Size Guide বাটন)
   ======================================================== */
.optico-size-section .optico-size-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
}
.optico-size-section .optico-size-head .optico-section-title {
    margin-bottom: 0;
    flex: 1 1 auto;
    min-width: 0;
}
.optico-size-section .optico-size-guide-btn {
    flex: 0 0 auto;
    display: inline-flex !important;
    align-items: center;
    gap: 5px;
    margin: 0 !important;
    padding: 5px 10px !important;
    min-height: 0 !important;
    height: auto !important;
    line-height: 1 !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    letter-spacing: 0.02em;
    text-transform: none !important;
    color: #0F294A !important;
    background: #FFFFFF !important;
    border: 1.5px solid #CBD5E1 !important;
    border-radius: 999px !important;
    box-shadow: none !important;
    cursor: pointer;
    transition: all 0.2s ease;
}
.optico-size-section .optico-size-guide-btn:hover,
.optico-size-section .optico-size-guide-btn:focus-visible {
    color: #C9A84C !important;
    border-color: #C9A84C !important;
    background: #FFFDF5 !important;
}

/* ========================================================
   4 SIZE CARDS (2x2)
   ======================================================== */
.optico-size-section .optico-size-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}
.optico-size-section .optico-size-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    padding: 11px 10px 10px;
    background: #F8FAFC;
    border: 1.5px solid #E2E8F0;
    border-radius: 12px;
    cursor: pointer;
    text-align: left;
    box-sizing: border-box;
    min-width: 0;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}
.optico-size-section .optico-size-card:hover,
.optico-size-section .optico-size-card:focus-visible {
    background: #FFFFFF;
    border-color: #0F294A;
    box-shadow: 0 4px 12px rgba(15, 41, 74, 0.08);
    transform: translateY(-1px);
    outline: none;
}
.optico-size-section .optico-size-card.is-active {
    background: #EEF4FA;
    border-color: #0F294A;
    box-shadow: 0 0 0 1px #0F294A inset;
}

.optico-size-section .optico-size-name {
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #0F294A;
    line-height: 1.2;
}
.optico-size-section .optico-size-spec {
    font-size: 11px;
    font-weight: 700;
    color: #1E293B;
    line-height: 1.3;
}
.optico-size-section .optico-size-spec em {
    font-style: normal;
    font-weight: 600;
    color: #94A3B8;
    margin-right: 2px;
}
.optico-size-section .optico-size-hint {
    margin-top: 2px;
    font-size: 10.5px;
    line-height: 1.35;
    color: #64748B;
}
.optico-size-section .optico-size-count {
    margin-top: 4px;
    padding: 1px 7px;
    font-size: 10px;
    font-weight: 700;
    color: #0F294A;
    background: #E2E8F0;
    border-radius: 999px;
    line-height: 1.5;
}
.optico-size-section .optico-size-card.is-active .optico-size-count {
    background: #0F294A;
    color: #FFFFFF;
}

/* সিলেক্ট চেক */
.optico-size-section .optico-size-check {
    position: absolute;
    top: 7px;
    right: 7px;
    width: 17px;
    height: 17px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 800;
    line-height: 1;
    color: #FFFFFF;
    background: #0F294A;
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.6);
    transition: all 0.2s ease;
}
.optico-size-section .optico-size-card.is-active .optico-size-check {
    opacity: 1;
    transform: scale(1);
}

/* প্রোডাক্ট নেই এমন সাইজ */
.optico-size-section .optico-size-card.is-empty:not(.is-active) {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========================================================
   SIZE GUIDE MODAL (body-তে সরিয়ে নেওয়া হয়, তাই সাইডবারের transform এ আটকায় না)
   ======================================================== */
.optico-size-modal {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.22s ease, visibility 0s linear 0.22s;
}
.optico-size-modal.is-open {
    visibility: visible;
    opacity: 1;
    transition: opacity 0.22s ease;
}
.optico-size-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 41, 74, 0.68);
}
.optico-size-modal-box {
    position: relative;
    width: 100%;
    max-width: 560px;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    overflow-y: auto;
    padding: 30px 24px 24px;
    background: #FFFFFF;
    border: 1.5px solid #E2E8F0;
    border-radius: 16px;
    box-shadow: 0 20px 45px rgba(15, 41, 74, 0.25);
    box-sizing: border-box;
    transform: scale(0.97);
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
    scrollbar-width: thin;
    scrollbar-color: #CBD5E1 transparent;
}
.optico-size-modal.is-open .optico-size-modal-box {
    transform: scale(1);
}
.optico-size-modal .optico-size-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    padding: 0 !important;
    margin: 0 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    font-size: 14px !important;
    font-weight: 700;
    line-height: 1;
    color: #0F294A !important;
    background: #F8FAFC !important;
    border: 1.5px solid #CBD5E1 !important;
    border-radius: 50% !important;
    box-shadow: none !important;
    min-height: 0 !important;
    cursor: pointer;
    transition: all 0.2s ease;
}
.optico-size-modal .optico-size-modal-close:hover,
.optico-size-modal .optico-size-modal-close:focus-visible {
    color: #FFFFFF !important;
    background: #0F294A !important;
    border-color: #0F294A !important;
}

.optico-size-modal-head {
    text-align: center;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1.5px solid #F1F5F9;
}
.optico-size-modal-head h3 {
    margin: 0 0 4px;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #0F294A;
}
.optico-size-modal-head p {
    margin: 0;
    font-size: 13px;
    color: #64748B;
}

.optico-size-measures {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}
.optico-size-measure {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px;
    background: #F8FAFC;
    border: 1.5px solid #E2E8F0;
    border-radius: 12px;
}
.optico-size-measure-icon {
    flex: 0 0 44px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.optico-size-measure-icon img {
    max-width: 44px;
    max-height: 36px;
    width: auto;
    height: auto;
    object-fit: contain;
}
.optico-size-measure strong {
    display: block;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #0F294A;
    margin-bottom: 2px;
}
.optico-size-measure p {
    margin: 0;
    font-size: 11.5px;
    line-height: 1.45;
    color: #475569;
}

.optico-size-note {
    margin-bottom: 14px;
    padding: 10px 12px;
    font-size: 12px;
    line-height: 1.5;
    color: #92400E;
    background: #FEF3C7;
    border-radius: 10px;
}
.optico-size-note code {
    padding: 1px 6px;
    font-size: 11.5px;
    font-weight: 700;
    color: #0F294A;
    background: #FFFFFF;
    border-radius: 4px;
}

.optico-size-table {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
    font-size: 12px;
}
.optico-size-table th {
    padding: 8px 10px;
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-align: left;
    color: #FFFFFF;
    background: #0F294A;
}
.optico-size-table td {
    padding: 9px 10px;
    vertical-align: middle;
    color: #1E293B;
    border-bottom: 1px solid #EEF2F6;
    line-height: 1.4;
}
.optico-size-table tr:last-child td {
    border-bottom: none;
}

.optico-size-tip {
    margin: 12px 0 0;
    font-size: 12px;
    color: #64748B;
    text-align: center;
}

body.optico-size-modal-open {
    overflow: hidden;
}

/* ========================================================
   RESPONSIVE
   ======================================================== */
@media (max-width: 480px) {
    .optico-size-modal-box { padding: 26px 16px 18px; }
    .optico-size-measures { grid-template-columns: 1fr; }
    .optico-size-modal-head h3 { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    .optico-size-section .optico-size-card,
    .optico-size-section .optico-size-check,
    .optico-size-modal,
    .optico-size-modal-box {
        transition: none !important;
    }
}