/* =============================================================
   Custom Lens Selector Pro Max — Frontend Styles
   Developer: Subhan Ali
   ============================================================= */

:root {
    --cls-bg:       #0B1F3A;
    --cls-btn:      #102A54;
    --cls-active:   #1E3A8A;
    --cls-accent:   #F59E0B;
    --cls-white:    #ffffff;
    --cls-gray:     #94a3b8;
    --cls-light-bg: #f0f4ff;
    --cls-border:   #2a4a7f;
    --cls-radius:   12px;
    --cls-shadow:   0 4px 24px rgba(11,31,58,0.18);
    --cls-trans:    all 0.25s ease;
}

/* Wrapper */
#cls-lens-selector {
    background: var(--cls-bg);
    border-radius: var(--cls-radius);
    padding: 24px;
    margin: 24px 0;
    box-shadow: var(--cls-shadow);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--cls-white);
}

/* Header */
.cls-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--cls-border);
}
.cls-header-icon {
    font-size: 32px;
    line-height: 1;
}
.cls-title {
    margin: 0 0 4px;
    font-size: 20px;
    font-weight: 700;
    color: var(--cls-white);
}
.cls-subtitle {
    margin: 0;
    font-size: 13px;
    color: var(--cls-gray);
}

/* Steps */
.cls-step {
    margin-bottom: 24px;
}
.cls-step-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--cls-white);
    margin-bottom: 14px;
}
.cls-step-number {
    width: 28px;
    height: 28px;
    background: var(--cls-active);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

/* Option Cards (Lens Type) */
.cls-option-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
@media (max-width: 480px) {
    .cls-option-grid { grid-template-columns: 1fr; }
}
.cls-option-card {
    background: var(--cls-btn);
    border: 2px solid var(--cls-border);
    border-radius: var(--cls-radius);
    padding: 16px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--cls-trans);
    position: relative;
}
.cls-option-card:hover {
    border-color: var(--cls-active);
    background: #163160;
}
.cls-option-card.cls-selected {
    border-color: var(--cls-accent);
    background: #1a2f60;
}
.cls-option-card .cls-radio {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.cls-option-icon {
    font-size: 26px;
    flex-shrink: 0;
}
.cls-option-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.cls-option-text strong {
    font-size: 14px;
    color: var(--cls-white);
}
.cls-option-text span {
    font-size: 12px;
    color: var(--cls-gray);
}
.cls-option-check {
    margin-left: auto;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--cls-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: transparent;
    transition: var(--cls-trans);
    flex-shrink: 0;
}
.cls-option-card.cls-selected .cls-option-check {
    background: var(--cls-accent);
    border-color: var(--cls-accent);
    color: #000;
}

/* Method Toggle */
.cls-method-toggle {
    display: flex;
    gap: 0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 18px;
    border: 1px solid var(--cls-border);
}
.cls-method-btn {
    flex: 1;
    padding: 11px 12px;
    background: var(--cls-btn);
    border: none;
    color: var(--cls-gray);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--cls-trans);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.cls-method-btn:not(:last-child) {
    border-right: 1px solid var(--cls-border);
}
.cls-method-btn.active {
    background: var(--cls-active);
    color: var(--cls-white);
}
.cls-method-btn:hover:not(.active) {
    background: #163160;
    color: var(--cls-white);
}

/* Upload Area */
.cls-upload-area {
    border: 2px dashed var(--cls-border);
    border-radius: var(--cls-radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--cls-trans);
    position: relative;
}
.cls-upload-area:hover,
.cls-upload-area.cls-drag-over {
    border-color: var(--cls-accent);
    background: rgba(245,158,11,0.05);
}
.cls-upload-icon { font-size: 36px; margin-bottom: 10px; }
.cls-upload-text { color: var(--cls-white); font-size: 14px; font-weight: 600; margin: 0 0 6px; }
.cls-upload-hint { color: var(--cls-gray); font-size: 12px; margin: 0; }
.cls-file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

/* Upload Preview */
.cls-upload-preview {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(30,58,138,0.3);
    border: 1px solid var(--cls-active);
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 10px;
    font-size: 13px;
    color: var(--cls-white);
}
.cls-preview-icon { font-size: 18px; }
.cls-remove-btn {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--cls-gray);
    cursor: pointer;
    font-size: 16px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: var(--cls-trans);
}
.cls-remove-btn:hover { color: #ef4444; background: rgba(239,68,68,0.1); }

/* Prescription Grid */
.cls-prescription-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}
@media (max-width: 540px) {
    .cls-prescription-grid { grid-template-columns: 1fr; }
}
.cls-eye-card {
    background: var(--cls-btn);
    border: 1px solid var(--cls-border);
    border-radius: var(--cls-radius);
    padding: 16px;
}
.cls-eye-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--cls-white);
}
.cls-eye-badge {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
}
.cls-eye-badge.right { background: #7c3aed; color: #fff; }
.cls-eye-badge.left  { background: #059669; color: #fff; }

/* Fields */
.cls-field-group {
    margin-bottom: 12px;
}
.cls-field-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--cls-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}
.cls-select,
.cls-input {
    width: 100%;
    padding: 9px 12px;
    background: #0d2348;
    border: 1px solid var(--cls-border);
    border-radius: 8px;
    color: var(--cls-white);
    font-size: 14px;
    outline: none;
    transition: var(--cls-trans);
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}
.cls-input {
    background-image: none;
    padding-right: 12px;
}
.cls-select:focus,
.cls-input:focus {
    border-color: var(--cls-accent);
    box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}
.cls-select option { background: #0d2348; }

/* PD Field */
.cls-pd-field {
    margin-top: 4px;
}
.cls-pd-field > label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--cls-white);
    margin-bottom: 8px;
}
.cls-required { color: var(--cls-accent); margin-left: 3px; }
.cls-pd-input-wrap {
    display: flex;
    align-items: center;
    gap: 0;
    max-width: 200px;
}
.cls-pd-input-wrap .cls-input {
    border-radius: 8px 0 0 8px;
    border-right: none;
}
.cls-unit {
    background: var(--cls-border);
    border: 1px solid var(--cls-border);
    border-radius: 0 8px 8px 0;
    padding: 9px 12px;
    font-size: 13px;
    color: var(--cls-gray);
    white-space: nowrap;
}
.cls-hint {
    margin: 6px 0 0;
    font-size: 11px;
    color: var(--cls-gray);
}

/* Price Box */
.cls-price-box {
    background: #071528;
    border: 1px solid var(--cls-border);
    border-radius: var(--cls-radius);
    padding: 18px 20px;
    margin-top: 20px;
}
.cls-price-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--cls-gray);
    padding: 5px 0;
}
.cls-price-total {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 700;
    color: var(--cls-white);
    padding-top: 12px;
    margin-top: 8px;
    border-top: 1px solid var(--cls-border);
}
.cls-total-amount {
    color: var(--cls-accent);
}

/* Errors */
.cls-field-error {
    display: block;
    font-size: 11px;
    color: #f87171;
    margin-top: 4px;
}
.cls-error-banner {
    background: rgba(239,68,68,0.12);
    border: 1px solid #ef4444;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    color: #fca5a5;
    margin-top: 14px;
}

/* Utilities */
.cls-hidden { display: none !important; }
.cls-section { margin-top: 4px; }

/* Order / Cart prescription table */
.cls-order-prescription {
    margin-top: 12px;
    padding: 12px;
    background: #f0f4ff;
    border-left: 3px solid #1E3A8A;
    border-radius: 4px;
}
.cls-order-prescription h4 {
    margin: 0 0 10px;
    color: #0B1F3A;
    font-size: 14px;
}
.cls-prescription-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.cls-prescription-table th,
.cls-prescription-table td {
    padding: 6px 10px;
    border-bottom: 1px solid #d6e0f5;
    text-align: left;
}
.cls-prescription-table th {
    background: #e0e8f8;
    color: #0B1F3A;
    font-weight: 600;
    width: 40%;
}