/* ====================================================================
   AgeDateTools - Calculators & Content Specific Styles
   ==================================================================== */

/* Hero Section */
.hero-section {
    padding: 56px 0 40px;
    text-align: center;
    background: radial-gradient(circle at 50% 0%, var(--color-primary-subtle) 0%, transparent 70%);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900;
    color: var(--color-text-primary);
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 720px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

/* Calculator Wrapper & Card */
.calc-wrapper {
    max-width: 860px;
    margin: 0 auto 48px;
}

.calc-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.calc-card-header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-surface-alt);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.calc-card-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.calc-card-body {
    padding: 32px 28px;
}

/* Form Groups & Controls */
.calc-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 28px;
}

.calc-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calc-label {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.calc-input-hint {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.calc-input, .calc-select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.calc-input:focus, .calc-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Toggle Options / Checkboxes */
.calc-options-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
    padding: 16px;
    background-color: var(--color-surface-alt);
    border-radius: var(--radius-md);
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"],
.checkbox-label input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* Form Action Buttons */
.calc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition), transform 0.1s, box-shadow var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: #ffffff;
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-border);
    color: var(--color-text-primary);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
}

/* Calculation Result Box */
.calc-result-container {
    margin-top: 36px;
    padding-top: 32px;
    border-top: 2px dashed var(--color-border);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-hero {
    background: linear-gradient(135deg, var(--color-primary), #1d4ed8);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-md);
    margin-bottom: 28px;
}

.result-hero-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    opacity: 0.85;
    margin-bottom: 8px;
}

.result-hero-value {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.result-hero-sub {
    margin-top: 10px;
    font-size: 1rem;
    opacity: 0.9;
}

/* Metrics Breakdown Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.metric-card {
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.metric-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    font-weight: 700;
    margin-bottom: 6px;
}

.metric-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-text-primary);
}

/* Extra Details Card (Countdown, Zodiac, Day Born) */
.result-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.detail-item-box {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.detail-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.detail-item-content h4 {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    font-weight: 700;
}

.detail-item-content p {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: 2px;
}

/* Copy Result Button & Actions */
.result-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

/* ====================================================================
   Calculator Directory Grid
   ==================================================================== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin: 32px 0 48px;
}

.tool-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.tool-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.tool-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tool-card-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 10px;
}

.tool-card-desc {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    flex-grow: 1;
    margin-bottom: 20px;
}

.tool-card-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ====================================================================
   Articles List & Article Layout
   ==================================================================== */
.article-container {
    max-width: 820px;
    margin: 0 auto;
    padding: 24px 0;
}

.article-header {
    margin-bottom: 32px;
}

.article-category {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: var(--color-primary);
    margin-bottom: 12px;
    display: inline-block;
}

.article-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 900;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.article-lead {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.75;
    color: var(--color-text-primary);
}

.article-body p {
    margin-bottom: 24px;
}

.article-body h2 {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin: 40px 0 16px;
    letter-spacing: -0.3px;
}

.article-body h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 32px 0 12px;
}

.article-body ul, .article-body ol {
    margin: 0 0 24px 24px;
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: 10px;
}

.article-callout {
    background-color: var(--color-primary-subtle);
    border-left: 4px solid var(--color-primary);
    padding: 20px 24px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 28px 0;
}

.article-callout p {
    margin: 0;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Informational FAQ Accordion */
.faq-section {
    margin: 48px 0;
}

.faq-title {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 24px;
}

.faq-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 18px 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question:hover {
    background-color: var(--color-surface-alt);
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--color-text-secondary);
    font-size: 0.98rem;
    line-height: 1.6;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
}

.faq-chevron {
    transition: transform var(--transition);
}

/* Data Table */
.data-table-wrapper {
    overflow-x: auto;
    margin: 24px 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.data-table th, .data-table td {
    padding: 12px 18px;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background-color: var(--color-surface-alt);
    font-weight: 700;
    color: var(--color-text-primary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* Toast Notification */
.toast-msg {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: var(--color-text-primary);
    color: var(--color-text-inverse);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
}

.toast-msg.show {
    opacity: 1;
    transform: translateY(0);
}