/**
 * Ek Pahal — Mobile App Shell
 * Makes public pages feel like a native mobile app on phones & tablets
 */

:root {
    --app-header-h: 56px;
    --app-ticker-h: 52px;
    --app-bottom-nav-h: 64px;
    --app-radius: 16px;
    --app-radius-sm: 12px;
    --app-bg: #f0f4f8;
    --app-card: #ffffff;
    --app-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
    --app-safe-bottom: env(safe-area-inset-bottom, 0px);
    --app-safe-top: env(safe-area-inset-top, 0px);
}

/* ── App shell body ── */
body.app-mobile-shell {
    background: var(--app-bg);
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: 100%;
    overscroll-behavior-y: none;
}

body.app-mobile-shell .app-main-content {
    min-height: calc(100vh - var(--app-header-h) - var(--app-bottom-nav-h) - var(--app-safe-bottom));
}

/* ── Compact app header (mobile) ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell {
        padding-bottom: calc(var(--app-bottom-nav-h) + var(--app-safe-bottom));
    }

    /* Hide desktop top bar — ticker has contact info */
    body.app-mobile-shell .top-bar {
        display: none;
    }

    /* Compact sticky header */
    body.app-mobile-shell .navbar-main {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1030;
        min-height: var(--app-header-h);
        padding: 0;
        background: #fff !important;
        box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.06);
        border-bottom: none;
    }

    body.app-mobile-shell .navbar-main .container {
        min-height: var(--app-header-h);
        padding: 0 16px;
        max-width: 100%;
    }

    body.app-mobile-shell .navbar-main .navbar-brand {
        font-size: 1.15rem !important;
        margin: 0;
        padding: 0;
    }

    body.app-mobile-shell .navbar-main .navbar-brand i {
        font-size: 1.25rem;
    }

    /* Hide hamburger + collapse nav — bottom tabs replace it */
    body.app-mobile-shell .navbar-main .navbar-toggler,
    body.app-mobile-shell .navbar-main .navbar-collapse {
        display: none !important;
    }

    /* Urgent ticker ON TOP, app bar below it */
    body.app-mobile-shell.has-ticker .urgent-ticker-bar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1031;
    }

    body.app-mobile-shell.has-ticker .navbar-main {
        top: var(--app-ticker-h);
        z-index: 1030;
    }

    /* Ticker + app bar — content starts below both */
    body.app-mobile-shell.has-ticker {
        --app-ticker-h: 68px;
        padding-top: calc(var(--app-ticker-h) + var(--app-header-h));
    }

    body.app-mobile-shell:not(.has-ticker) .navbar-main {
        top: 0;
    }

    body.app-mobile-shell:not(.has-ticker) {
        padding-top: var(--app-header-h);
    }

    /* Ticker compact on mobile */
    body.app-mobile-shell .urgent-ticker-row {
        padding: 6px 0 2px;
    }

    body.app-mobile-shell .urgent-ticker-badge {
        font-size: 0.65rem;
        padding: 2px 8px;
        margin-right: 6px;
    }

    body.app-mobile-shell .urgent-ticker-item {
        font-size: 0.8rem;
    }

    body.app-mobile-shell .urgent-ticker-meta-bar {
        padding-bottom: 4px;
        gap: 6px;
        font-size: 0.7rem;
    }

    body.app-mobile-shell .urgent-ticker-meta-bar .urgent-ticker-meta-item {
        max-width: 140px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* ── Bottom tab navigation (like native app) ── */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    height: calc(var(--app-bottom-nav-h) + var(--app-safe-bottom));
    padding-bottom: var(--app-safe-bottom);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
}

.mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    text-decoration: none;
    color: #94a3b8;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 6px 4px;
    transition: color 0.2s, transform 0.15s;
    -webkit-user-select: none;
    user-select: none;
}

.mobile-nav-item:active {
    transform: scale(0.92);
}

.mobile-nav-icon {
    font-size: 1.25rem;
    line-height: 1;
    position: relative;
}

.mobile-nav-item.active {
    color: var(--primary-teal);
}

.mobile-nav-item.active .mobile-nav-icon::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary-teal);
}

.mobile-nav-label {
    white-space: nowrap;
}

/* ── Hero — mobile app splash style ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell .hero-section {
        min-height: 70vh;
        border-radius: 0 0 28px 28px;
        overflow: hidden;
        margin-bottom: 0;
    }

    body.app-mobile-shell .hero-content {
        text-align: center;
        margin: 0 auto;
        padding: 24px 20px;
    }

    body.app-mobile-shell .hero-title {
        font-size: 1.75rem;
        line-height: 1.25;
    }

    body.app-mobile-shell .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }

    body.app-mobile-shell .hero-buttons {
        flex-direction: row;
        gap: 10px;
        justify-content: center;
        flex-wrap: nowrap;
    }

    body.app-mobile-shell .btn-hero-primary,
    body.app-mobile-shell .btn-hero-secondary {
        flex: 1;
        width: auto;
        max-width: none;
        text-align: center;
        padding: 12px 10px;
        border-radius: var(--app-radius-sm);
        font-size: clamp(0.8rem, 3.2vw, 0.95rem);
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
    }
}

/* ── Sections — card-based app layout ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell {
        font-size: clamp(14px, 3.8vw, 16px);
    }

    body.app-mobile-shell .container {
        padding: 0 16px;
        max-width: 100%;
    }

    body.app-mobile-shell .quick-cards-section,
    body.app-mobile-shell .about-section,
    body.app-mobile-shell .services-section {
        padding: 24px 0;
    }

    body.app-mobile-shell .stats-section {
        padding: 24px 0;
        margin-bottom: 24px;
    }

    body.app-mobile-shell .section-title {
        margin-bottom: 16px;
        text-align: left;
        padding: 0 4px;
    }

    body.app-mobile-shell .section-title h2 {
        font-size: clamp(1.2rem, 4.5vw, 1.35rem);
    }

    body.app-mobile-shell .section-title p {
        font-size: clamp(0.8rem, 2.8vw, 0.875rem);
    }

    /* 2-column icon grid — no descriptions on mobile */
    body.app-mobile-shell .quick-cards-grid,
    body.app-mobile-shell .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    body.app-mobile-shell .quick-card,
    body.app-mobile-shell .service-card {
        border-radius: var(--app-radius-sm);
        padding: 14px 8px;
        box-shadow: var(--app-shadow);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 8px;
        text-align: center;
        min-height: 100px;
    }

    body.app-mobile-shell .quick-card-icon,
    body.app-mobile-shell .service-icon {
        font-size: clamp(1.1rem, 4vw, 1.35rem);
        margin-bottom: 0;
        flex-shrink: 0;
        width: clamp(40px, 12vw, 48px);
        height: clamp(40px, 12vw, 48px);
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(0, 137, 123, 0.1);
        border-radius: 12px;
    }

    body.app-mobile-shell .quick-card-title,
    body.app-mobile-shell .service-title {
        font-size: clamp(0.7rem, 2.8vw, 0.8rem);
        margin: 0;
        line-height: 1.25;
        font-weight: 600;
    }

    body.app-mobile-shell .quick-card-text,
    body.app-mobile-shell .service-text {
        display: none !important;
    }

    body.app-mobile-shell .about-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    body.app-mobile-shell .about-image img {
        border-radius: var(--app-radius);
    }

    body.app-mobile-shell .about-text h3 {
        font-size: 1.35rem;
    }

    body.app-mobile-shell .btn-about {
        display: block;
        text-align: center;
        width: 100%;
        min-height: 48px;
        line-height: 48px;
        padding: 0 24px;
        border-radius: var(--app-radius-sm);
    }

    body.app-mobile-shell .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    body.app-mobile-shell .stat-item {
        background: rgba(255, 255, 255, 0.08);
        border-radius: var(--app-radius-sm);
        padding: 16px 12px;
    }

    body.app-mobile-shell .stat-number {
        font-size: clamp(1.4rem, 5vw, 1.75rem);
    }

    body.app-mobile-shell .stat-label {
        font-size: clamp(0.7rem, 2.5vw, 0.8rem);
    }
}

/* ── Footer — compact on mobile ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell .footer {
        padding: 28px 0 16px;
        margin-top: 20px;
        margin-bottom: 0;
        border-radius: 20px 20px 0 0;
    }

    body.app-mobile-shell .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }

    body.app-mobile-shell .footer-section h4 {
        font-size: 0.95rem;
        margin-bottom: 10px;
    }

    body.app-mobile-shell .footer-section p,
    body.app-mobile-shell .footer-section ul a {
        font-size: 0.8rem;
    }

    body.app-mobile-shell .footer-bottom {
        font-size: 0.72rem;
        padding-top: 14px;
    }

    /* Hide extra footer columns — keep contact only */
    body.app-mobile-shell .footer-section:nth-child(1),
    body.app-mobile-shell .footer-section:nth-child(2),
    body.app-mobile-shell .footer-section:nth-child(3) {
        display: none;
    }
}

/* ── Forms & login pages — full-width app cards ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell.page-gradient {
        background: var(--app-bg);
    }

    body.app-mobile-shell .login-container,
    body.app-mobile-shell .registration-container,
    body.app-mobile-shell .dashboard-container,
    body.app-mobile-shell .feedback-container {
        max-width: 100% !important;
        margin: 16px auto 24px !important;
        padding: 24px 20px !important;
        border-radius: var(--app-radius) !important;
        box-shadow: var(--app-shadow) !important;
    }

    body.app-mobile-shell .info-card {
        border-radius: var(--app-radius-sm);
        padding: 18px;
    }

    body.app-mobile-shell .form-control,
    body.app-mobile-shell .form-select {
        min-height: 48px;
        font-size: 16px; /* prevents iOS zoom */
        border-radius: var(--app-radius-sm);
        padding: 12px 14px;
    }

    body.app-mobile-shell .btn,
    body.app-mobile-shell .btn-submit {
        min-height: 48px;
        border-radius: var(--app-radius-sm);
        font-size: 1rem;
    }

    body.app-mobile-shell textarea.form-control {
        min-height: 100px;
    }
}

/* ── Touch feedback on interactive elements ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell a,
    body.app-mobile-shell button,
    body.app-mobile-shell .btn {
        touch-action: manipulation;
    }

    body.app-mobile-shell .quick-card:active,
    body.app-mobile-shell .service-card:active {
        transform: scale(0.98);
        transition: transform 0.1s;
    }
}

/* ── Forum mobile app style ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell .forum-page {
        padding-bottom: 8px;
        background: var(--app-bg);
    }

    body.app-mobile-shell .forum-page-header {
        margin-bottom: 12px;
        padding: 14px 0;
        border-radius: 0 0 20px 20px;
    }

    body.app-mobile-shell .forum-page-header h1 {
        font-size: clamp(1rem, 4vw, 1.15rem);
    }

    body.app-mobile-shell .forum-page-header p {
        font-size: clamp(0.75rem, 2.8vw, 0.85rem);
    }

    body.app-mobile-shell .forum-container-wide {
        padding: 0 12px;
    }

    body.app-mobile-shell .forum-guest-banner.forum-auth-prompt {
        flex-direction: column;
        padding: 14px;
        border-radius: var(--app-radius-sm);
        margin-bottom: 16px;
    }

    body.app-mobile-shell .forum-auth-banner-text p {
        font-size: 0.8rem;
    }

    body.app-mobile-shell .forum-compose {
        border-radius: var(--app-radius-sm);
        padding: 16px;
        margin-bottom: 16px;
    }

    body.app-mobile-shell .forum-topic-section {
        margin-bottom: 20px;
    }

    body.app-mobile-shell .forum-topic-header {
        border-radius: var(--app-radius-sm);
        font-size: clamp(0.8rem, 3vw, 0.9rem);
        padding: 10px 14px;
        margin-bottom: 10px;
    }

    /* Vertical topic list — app style */
    body.app-mobile-shell .forum-cards-scroll {
        flex-direction: column;
        overflow-x: visible;
        overflow-y: visible;
        gap: 10px;
        padding: 0;
        scroll-snap-type: none;
    }

    body.app-mobile-shell .forum-topic-card-wrap {
        flex: none;
        max-width: 100%;
        width: 100%;
        scroll-snap-align: none;
    }

    body.app-mobile-shell .forum-topic-card {
        border-radius: var(--app-radius-sm);
        padding: 14px;
        box-shadow: var(--app-shadow);
    }

    body.app-mobile-shell .forum-topic-excerpt {
        font-size: clamp(0.8rem, 3vw, 0.88rem);
        margin-bottom: 10px;
    }

    body.app-mobile-shell .forum-topic-btn {
        border-radius: 10px;
        min-height: 44px;
        font-size: 0.85rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    body.app-mobile-shell .forum-topic-author {
        font-size: clamp(0.8rem, 3vw, 0.9rem);
    }

    body.app-mobile-shell .forum-user-avatar.sm {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    body.app-mobile-shell .forum-chat-modal-wrap .modal-dialog {
        margin: 0;
        max-width: 100%;
        height: 100%;
        min-height: 100%;
    }

    body.app-mobile-shell .forum-chat-modal-wrap .modal-content,
    body.app-mobile-shell .forum-modal {
        height: 100vh;
        height: 100dvh;
        border-radius: 0;
        border: none;
    }

    body.app-mobile-shell .forum-modal-header {
        padding: 14px 16px;
        border-radius: 0;
    }

    body.app-mobile-shell .forum-chat-body {
        padding: 12px;
    }

    body.app-mobile-shell .forum-chat-footer {
        padding: 10px 12px calc(10px + var(--app-safe-bottom));
    }

    body.app-mobile-shell .forum-chat-form textarea {
        min-height: 44px;
        font-size: 16px;
        border-radius: 22px;
    }

    body.app-mobile-shell .forum-chat-send {
        width: 44px;
        height: 44px;
        border-radius: 50%;
    }

    body.app-mobile-shell .forum-empty {
        border-radius: var(--app-radius-sm);
        padding: 32px 16px;
    }
}

/* ── Feedback page ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell .feedback-form-card,
    body.app-mobile-shell .card {
        border-radius: var(--app-radius);
        border: none;
        box-shadow: var(--app-shadow);
    }
}

/* ── Dashboard cards (user panels) ── */
@media (max-width: 991.98px) {
    body.app-mobile-shell .dashboard-card,
    body.app-mobile-shell .panel-card {
        border-radius: var(--app-radius);
        box-shadow: var(--app-shadow);
    }
}

/* ── Tablet typography ── */
@media (min-width: 768px) and (max-width: 991.98px) {
    body.app-mobile-shell {
        font-size: 16px;
    }

    body.app-mobile-shell .quick-cards-grid,
    body.app-mobile-shell .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    body.app-mobile-shell .quick-card,
    body.app-mobile-shell .service-card {
        min-height: 110px;
    }
}

/* ── Hide bottom nav when full-screen modal is open ── */
@media (max-width: 991.98px) {
    body.modal-open-app .mobile-bottom-nav {
        display: none !important;
    }
}

/* ── Desktop: hide mobile nav, restore normal layout ── */
@media (min-width: 992px) {
    .mobile-bottom-nav {
        display: none !important;
    }

    body.app-mobile-shell {
        padding-bottom: 0;
        padding-top: 0 !important;
    }
}