/* ============================================
   FIRST-VISIT LANGUAGE SELECTION MODAL
   Gated by localStorage.selectedLanguage
   ============================================ */

#langSelectModal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: langModalFadeIn 0.25s ease-out;
}

#langSelectModal.hidden {
    display: none;
}

@keyframes langModalFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.lang-modal-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    max-width: 460px;
    width: 92%;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
    animation: langModalSlideUp 0.3s ease-out;
    text-align: center;
}

@keyframes langModalSlideUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

.lang-modal-logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: #10b981;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

.lang-modal-multilang {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem 1.1rem;
    margin-bottom: 1.5rem;
    padding: 0.8rem 0.9rem;
    background: #f0fdf4;
    border: 1px solid #d1fae5;
    border-radius: 10px;
}

.lm-col {
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    text-align: center;
    line-height: 1.45;
}

.lm-col[lang="en"] {
    font-size: 1rem;
    font-weight: 700;
    color: #065f46;
}

.lang-btn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
}

.lang-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: #f9fafb;
    cursor: pointer;
    transition: border-color 0.18s, background 0.18s, box-shadow 0.18s, transform 0.18s;
    font-family: inherit;
    gap: 0.25rem;
}

.lang-btn:hover,
.lang-btn:focus {
    border-color: #10b981;
    background: #ecfdf5;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.22);
    transform: translateY(-2px);
    outline: none;
}

.lang-btn:active {
    transform: translateY(0);
}

.lang-btn-flag {
    font-size: 2rem;
    line-height: 1.1;
}

.lang-btn-native {
    font-size: 1rem;
    font-weight: 700;
    color: #111827;
}

.lang-btn-english {
    font-size: 0.7rem;
    color: #9ca3af;
    font-weight: 400;
}