/* ═══════════════════════════════════════════════════════════════════
   JoyA — Responsive Breakpoints
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
    .charts-row {
        grid-template-columns: 1fr;
    }

    .varga-detail {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .form__row {
        grid-template-columns: 1fr;
    }

    .form__actions {
        flex-direction: column;
    }

    .dasha-current {
        grid-template-columns: 1fr;
    }

    .main {
        padding: 1rem;
    }

    .si-grid {
        min-height: 250px;
    }

    .si-planet {
        font-size: 0.6rem;
    }
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .transit-houses-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .transit-aspects {
        grid-template-columns: 1fr;
    }
}

/* ── Tablet (< 900px) ──────────────────────────────────────────── */

@media (max-width: 900px) {
    .charts-row {
        grid-template-columns: 1fr;
    }

    .varga-detail {
        grid-template-columns: 1fr;
    }

    .syn-dual-charts {
        grid-template-columns: 1fr;
    }

    .compat-form {
        grid-template-columns: 1fr;
    }

    .main {
        padding: 1.5rem 1rem 3rem;
    }
}

/* ── Mobile (< 640px) ──────────────────────────────────────────── */

@media (max-width: 640px) {
    html {
        font-size: 14px;
    }

    /* Header */
    .header {
        padding: 0.6rem 0.75rem;
        gap: 0.4rem;
    }

    .header__logo .header__title {
        font-size: 1.1rem;
    }

    .header__tagline {
        display: none;
    }

    .header__icon {
        font-size: 1.3rem;
    }

    .header__actions {
        gap: 0.3rem;
    }

    .header__actions .btn {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }

    /* Page nav — horizontal scroll */
    .page-nav {
        overflow-x: auto;
        overflow-y: hidden;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 0;
        flex-wrap: nowrap;
    }

    .page-nav::-webkit-scrollbar {
        display: none;
    }

    .page-nav__tab {
        white-space: nowrap;
        padding: 0.5rem 0.75rem;
        font-size: 0.72rem;
        flex-shrink: 0;
    }

    /* Main content */
    .main {
        padding: 1rem 0.65rem 3rem;
        gap: 1rem;
    }

    /* Cards */
    .card {
        padding: 1rem 0.85rem;
        border-radius: 10px;
    }

    .card__title {
        font-size: 1rem;
    }

    .card__subtitle {
        font-size: 0.78rem;
    }

    /* Forms */
    .form__row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .form__row--3col {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .form__actions {
        flex-direction: column;
    }

    .form__group label {
        font-size: 0.72rem;
    }

    /* Tables — horizontal scroll wrapper */
    .planet-table-wrap,
    .varga-table-wrap,
    .syn-section,
    .card--results {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        font-size: 0.72rem;
    }

    table th,
    table td {
        padding: 0.3rem 0.4rem;
        white-space: nowrap;
    }

    /* Sticky first column (planet name) on horizontal scroll */
    .table-wrap .table {
        border-collapse: separate;
        border-spacing: 0;
    }

    .table-wrap .table th:first-child,
    .table-wrap .table td:first-child {
        position: sticky;
        left: 0;
        z-index: 3;
        background: var(--bg-card);
        box-shadow: 4px 0 8px -4px rgba(0, 0, 0, 0.4);
    }

    .table-wrap .table th:first-child {
        z-index: 4;
    }

    .table-wrap .table tbody tr:hover td:first-child {
        background: var(--bg-card-hover);
    }

    /* Vargas tabs */
    .vargas-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 0.4rem 0.5rem;
    }

    .vargas-tabs::-webkit-scrollbar {
        display: none;
    }

    .vargas-tab {
        flex-shrink: 0;
        font-size: 0.65rem;
        padding: 0.3rem 0.5rem;
    }

    /* South Indian chart */
    .si-grid {
        min-height: 240px;
    }

    .si-planet {
        font-size: 0.55rem;
    }

    .si-cell {
        padding: 2px;
    }

    /* Dasha */
    .dasha-current {
        grid-template-columns: 1fr;
    }

    .dasha-timeline {
        padding: 0;
        height: 36px;
    }

    .dasha-seg__label {
        font-size: 0.55rem;
    }

    .dasha-seg__years {
        font-size: 0.45rem;
    }

    .dasha-tree {
        font-size: 0.75rem;
    }

    .antd-grid {
        grid-template-columns: 1fr;
    }

    .antd-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.2rem;
    }

    .pantd-grid {
        grid-template-columns: 1fr;
    }

    .dasha-box__dates {
        font-size: 0.62rem;
    }

    /* Compatibility / Synastry form */
    .compat-form {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .compat-partner {
        padding: 0.75rem;
    }

    .compat-partner h3 {
        font-size: 0.9rem;
    }

    /* Synastry results */
    .syn-score-section {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1rem;
    }

    .syn-score-gauge svg {
        width: 110px;
        height: 110px;
    }

    .syn-breakdown-items {
        justify-content: center;
    }

    .syn-pairs-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .syn-pair-card {
        padding: 0.65rem 0.75rem;
    }

    .syn-pair-title {
        font-size: 0.8rem;
    }

    .syn-pair-desc {
        font-size: 0.68rem;
    }

    .syn-aspects-table {
        font-size: 0.72rem;
    }

    .syn-planet-table {
        font-size: 0.72rem;
    }

    .syn-chart-card {
        padding: 0.75rem;
    }

    .syn-section {
        padding: 0.85rem;
    }

    .syn-import-btns {
        gap: 0.35rem;
    }

    .syn-import-btns .btn {
        font-size: 0.68rem;
        padding: 0.25rem 0.5rem;
    }

    .syn-conclusion {
        padding: 1rem;
    }

    /* Element bars */
    .syn-elem-label {
        width: 75px;
        font-size: 0.72rem;
    }

    .syn-elem-fill {
        height: 16px;
        font-size: 0.62rem;
    }

    /* Transit */
    .transit-aspects-grid {
        grid-template-columns: 1fr;
    }

    /* Muhurta mobile */
    .muh-top { flex-direction: column; align-items: center; }
    .muh-gauge svg { width: 100px; height: 100px; }
    .muh-periods { grid-template-columns: 1fr 1fr; }
    .muh-top5-grid { grid-template-columns: 1fr; }
    .muh-cal-grid { grid-template-columns: repeat(7, 1fr); }

    /* Popup / Modal */
    .popup-overlay .popup-content,
    .planet-popup {
        width: 95vw !important;
        max-width: 95vw !important;
        max-height: 85vh;
        margin: auto;
    }

    /* Auth */
    .auth-card {
        width: 90vw;
        min-width: auto;
    }

    /* DST notice */
    .dst-notice {
        font-size: 0.68rem;
    }

    /* Badges */
    .badge {
        font-size: 0.55rem;
        padding: 0.15rem 0.35rem;
    }

    /* PDF buttons */
    .btn--secondary {
        font-size: 0.75rem;
    }

    /* Footer */
    footer {
        font-size: 0.7rem;
        padding: 1rem;
    }
}

/* ── Small Phone (< 420px) ─────────────────────────────────────── */

@media (max-width: 420px) {
    html {
        font-size: 13px;
    }

    .header {
        padding: 0.5rem 0.6rem;
    }

    .header__logo .header__title {
        font-size: 1rem;
    }

    .page-nav__tab {
        padding: 0.45rem 0.65rem;
        font-size: 0.7rem;
    }

    .form__row--3col {
        grid-template-columns: 1fr;
    }

    .syn-pairs-grid {
        grid-template-columns: 1fr;
    }

    .syn-score-gauge svg {
        width: 90px;
        height: 90px;
    }

    .vargas-tab {
        font-size: 0.6rem;
        padding: 0.25rem 0.4rem;
    }

    .card {
        padding: 0.75rem 0.6rem;
    }

    .main {
        padding: 0.75rem 0.5rem 2rem;
    }
}