/* ============================================
   Age Calculator Styles
   ============================================ */

/* Calculator Card */
.calculator-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.calculator-card .card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-input {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
}

.form-input:focus {
    border-color: var(--brand-primary);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Buttons */
.btn-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--brand-primary);
    border: 2px solid var(--brand-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--brand-secondary);
    border-color: var(--brand-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.875rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-dark);
}

/* Error Message */
.error-message {
    display: none;
    padding: 1rem;
    background-color: var(--danger-bg);
    color: var(--danger);
    border-radius: var(--radius-md);
    margin-top: 1rem;
    font-weight: 500;
}

.error-message.show {
    display: block;
}

/* Loading */
.loading {
    display: none;
    text-align: center;
    padding: 2rem;
}

.loading.show {
    display: block;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--brand-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Results Section */
.results-section {
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Main Age Result Card */
.age-result-card {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.age-result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.age-result-emoji {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.age-result-title {
    font-size: 1.25rem;
    font-weight: 600;
    opacity: 0.95;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.age-result-main {
    display: flex;
    justify-content: center;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.age-part {
    text-align: center;
}

.age-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
    color: #fbbf24;
}

.age-label {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 1.25rem;
    color: var(--brand-primary);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    word-break: break-all;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Birthday Card */
.birthday-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-lg);
}

[data-bs-theme="dark"] .birthday-card {
    background: linear-gradient(135deg, #78350f 0%, #92400e 100%);
}

.birthday-emoji {
    font-size: 3rem;
    flex-shrink: 0;
}

.birthday-info {
    flex: 1;
}

.birthday-date {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

[data-bs-theme="dark"] .birthday-date {
    color: #fef3c7;
}

.birthday-countdown {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

[data-bs-theme="dark"] .birthday-countdown {
    color: #fde68a;
}

.birthday-countdown span {
    font-weight: 700;
    color: var(--brand-primary);
}

[data-bs-theme="dark"] .birthday-countdown span {
    color: #fbbf24;
}

/* Facts Grid */
.facts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.fact-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    transition: all 0.2s ease;
}

.fact-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.fact-emoji {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.fact-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.fact-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.fact-detail {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Info Box */
.info-box {
    padding: 1.25rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border-left: 4px solid var(--brand-primary);
}

.info-box:last-child {
    margin-bottom: 0;
}

.info-box h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.info-box p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.6;
}

/* FAQ */
.faq-item {
    padding: 1.25rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-question {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.faq-answer {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Number Formatting */
.formatted-number {
    font-variant-numeric: tabular-nums;
}

/* Responsive */
@media (max-width: 991.98px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .facts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .age-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 575.98px) {
    .calculator-card {
        padding: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .facts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .age-result-main {
        gap: 1rem;
    }

    .age-number {
        font-size: 2rem;
    }

    .age-label {
        font-size: 0.8rem;
    }

    .age-result-card {
        padding: 1.5rem 1rem;
    }

    .birthday-card {
        flex-direction: column;
        text-align: center;
    }

    .stat-value {
        font-size: 1.15rem;
    }
}

/* ============================================
   Export & Share Section
   ============================================ */
.export-share-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.export-row {
    display: flex;
    justify-content: center;
}

.btn-export {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    max-width: 400px;
}

.btn-export:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-export:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.share-row {
    text-align: center;
}

.share-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.share-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.share-btn.whatsapp { background-color: #25D366; }
.share-btn.twitter { background-color: #1DA1F2; }
.share-btn.facebook { background-color: #1877F2; }
.share-btn.linkedin { background-color: #0A66C2; }
.share-btn.telegram { background-color: #0088cc; }
.share-btn.copy { background-color: var(--gray-500); }

.share-btn.whatsapp:hover { background-color: #128C7E; }
.share-btn.twitter:hover { background-color: #0d8ecf; }
.share-btn.facebook:hover { background-color: #0d6efd; }
.share-btn.linkedin:hover { background-color: #004182; }
.share-btn.telegram:hover { background-color: #006699; }
.share-btn.copy:hover { background-color: var(--gray-600); }

@media (max-width: 575.98px) {
    .btn-export {
        font-size: 0.9rem;
        padding: 0.75rem 1.5rem;
    }

    .share-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}