/* ============================================
   MNH RCH — RESPONSIVE MOBILE-FIRST SYSTEM
   Native App Feel Across All Devices
   ============================================ */

/* Prevent pinch-zoom, native scroll behavior */
html, body {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior: none;
}

/* Safe areas for notches, home indicators, fold creases */
:root {
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --nav-height: 64px;
    --bottom-nav-height: 68px;
    --sidebar-width: 280px;
}

/* ============================================
   MOBILE BREAKPOINT (All phones & small tablets)
   ============================================ */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    body {
        padding-top: var(--safe-top);
        padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom));
        overflow-x: hidden;
    }

    /* Hide desktop navbar content on mobile (replaced by sidebar) */
    .navbar {
        position: sticky;
        top: 0;
        z-index: 50;
        padding: 12px 0;
        height: var(--nav-height);
        display: flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
    }

    .container {
        padding: 0 16px;
    }

    /* Logo smaller on mobile - native sizing */
    .logo-mark {
        width: 32px;
        height: 32px;
        border-radius: 8px;
    }

    .logo-mark svg {
        width: 18px;
        height: 18px;
    }

    .logo-text {
        font-size: 15px;
    }

    .logo-text span {
        font-size: 10px;
    }

    /* User pill - compact on mobile */
    .user-pill {
        padding: 6px 10px;
        gap: 8px;
    }

    .user-pill-name {
        font-size: 12px;
        max-width: 90px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .user-pill-phone {
        font-size: 10px;
        display: none;
    }

    .user-pill svg {
        width: 24px !important;
        height: 24px !important;
    }

    /* Hide logout button on mobile (moved to sidebar) */
    .btn-logout {
        display: none;
    }

    /* Show hamburger on mobile */
    .hamburger-btn {
        display: flex !important;
    }

    /* Main content padding */
    main {
        padding: 16px;
        padding-bottom: 24px;
    }

    /* Vaccination alert - stacked on mobile */
    .vaccination-alert {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 12px;
        border-radius: 14px;
        margin-bottom: 16px;
    }

    .vaccination-info h3 {
        font-size: 14px;
        margin-bottom: 2px;
    }

    .vaccination-info h3 svg {
        width: 18px;
        height: 18px;
    }

    .vaccination-info p {
        font-size: 13px;
    }

    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 10px 16px;
        font-size: 13px;
    }

    /* Dashboard grid - single column */
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 16px;
    }

    /* Cards - native sizing */
    .card {
        padding: 16px;
        border-radius: 14px;
    }

    .card-header {
        margin-bottom: 14px;
        padding-bottom: 12px;
    }

    .card-icon {
        width: 32px;
        height: 32px;
    }

    .card-icon svg {
        width: 18px;
        height: 18px;
    }

    .card-title {
        font-size: 15px;
    }

    /* Profile details - compact */
    .profile-detail {
        padding: 8px 0;
    }

    .detail-label {
        font-size: 12px;
        gap: 6px;
    }

    .detail-label svg {
        width: 14px;
        height: 14px;
    }

    .detail-value {
        font-size: 13px;
    }

    .status-badge {
        padding: 3px 8px;
        font-size: 11px;
    }

    /* Quick actions - 3 column grid on mobile */
    .quick-actions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        margin-bottom: 16px;
    }

    .action-btn {
        padding: 12px 6px;
        border-radius: 10px;
        gap: 6px;
        min-height: 72px;
    }

    .action-icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
    }

    .action-icon svg {
        width: 18px;
        height: 18px;
    }

    .action-label {
        font-size: 11px;
        line-height: 1.2;
    }

    /* Activity list - compact */
    .activity-item {
        padding: 12px;
        gap: 12px;
        border-radius: 10px;
    }

    .activity-date {
        min-width: 54px;
    }

    .activity-day {
        font-size: 16px;
    }

    .activity-month {
        font-size: 10px;
    }

    .activity-details h4 {
        font-size: 13px;
    }

    .activity-details p {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .vital-tag {
        padding: 3px 8px;
        font-size: 10px;
    }

    /* Modal adjustments */
    #dynamic_modal > div {
        max-height: 85vh;
        overflow-y: auto;
    }

    .modal-form-group label {
        font-size: 12px;
    }

    .modal-form-group input,
    .modal-form-group select {
        font-size: 16px; /* Prevents iOS zoom */
        padding: 12px;
    }

    .modal-submit-btn {
        font-size: 15px;
        padding: 14px;
    }
}

/* ============================================
   SIDEBAR MENU (Mobile Only)
   ============================================ */
.hamburger-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 10px;
    color: var(--primary, #1e3a8a);
    -webkit-tap-highlight-color: transparent;
    transition: background 0.15s;
}

.hamburger-btn:active {
    background: rgba(30, 58, 138, 0.08);
}

.hamburger-btn svg {
    width: 22px;
    height: 22px;
}

/* Sidebar backdrop */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0);
    backdrop-filter: blur(0px);
    z-index: 998;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-backdrop.active {
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    pointer-events: auto;
}

/* Sidebar drawer */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    max-width: 85vw;
    background: white;
    z-index: 999;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    padding: 20px;
    padding-top: calc(20px + var(--safe-top));
    border-bottom: 1px solid var(--border, #e2e8f0);
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
}

.sidebar-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-avatar svg {
    width: 24px;
    height: 24px;
    color: white;
}

.sidebar-user-name {
    font-size: 16px;
    font-weight: 700;
    color: white;
    margin: 0;
    line-height: 1.2;
}

.sidebar-user-phone {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    margin: 2px 0 0 0;
}

.sidebar-nav {
    flex: 1;
    padding: 12px;
}

.sidebar-section {
    margin-bottom: 16px;
}

.sidebar-section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted, #64748b);
    padding: 8px 12px 6px;
    margin: 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--text-dark, #0f172a);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    transition: background 0.15s;
    -webkit-tap-highlight-color: transparent;
}

.sidebar-item:active {
    background: rgba(30, 58, 138, 0.08);
}

.sidebar-item.active {
    background: rgba(30, 58, 138, 0.08);
    color: #1e3a8a;
    font-weight: 600;
}

.sidebar-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--text-muted, #64748b);
}

.sidebar-item.active svg {
    color: #1e3a8a;
}

.sidebar-footer {
    padding: 12px;
    padding-bottom: calc(12px + var(--safe-bottom));
    border-top: 1px solid var(--border, #e2e8f0);
}

.sidebar-logout {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-radius: 10px;
    background: transparent;
    border: none;
    width: 100%;
    color: #ef4444;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.sidebar-logout:active {
    background: #fee2e2;
}

.sidebar-logout svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   BOTTOM NAVIGATION (Mobile Only)
   ============================================ */
.bottom-nav {
    display: none;
}

@media (max-width: 768px) {
    .bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(var(--bottom-nav-height) + var(--safe-bottom));
        padding-bottom: var(--safe-bottom);
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        border-top: 1px solid var(--border, #e2e8f0);
        z-index: 100;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        box-shadow: 0 -2px 12px rgba(30, 58, 138, 0.06);
    }

    .bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        padding: 8px 4px;
        background: transparent;
        border: none;
        cursor: pointer;
        color: var(--text-muted, #64748b);
        text-decoration: none;
        -webkit-tap-highlight-color: transparent;
        transition: color 0.15s;
        position: relative;
    }

    .bottom-nav-item.active {
        color: #1e3a8a;
    }

    .bottom-nav-item.active::before {
        content: '';
        position: absolute;
        top: 0;
        left: 25%;
        right: 25%;
        height: 2px;
        background: #1e3a8a;
        border-radius: 0 0 2px 2px;
    }

    .bottom-nav-item:active {
        background: rgba(30, 58, 138, 0.06);
    }

    .bottom-nav-item svg {
        width: 22px;
        height: 22px;
    }

    .bottom-nav-label {
        font-size: 10px;
        font-weight: 600;
    }
}

/* ============================================
   SMALL PHONES (iPhone SE, Galaxy Fold closed)
   ============================================ */
@media (max-width: 390px) {
    html {
        font-size: 13px;
    }

    .quick-actions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .action-icon {
        width: 32px;
        height: 32px;
    }

    .action-icon svg {
        width: 16px;
        height: 16px;
    }

    .action-label {
        font-size: 10px;
    }
}

/* ============================================
   TABLETS & LARGE PHONES
   ============================================ */
@media (min-width: 769px) and (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .quick-actions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   DESKTOP (1025px+) — Keep existing look
   ============================================ */
@media (min-width: 1025px) {
    .sidebar,
    .sidebar-backdrop,
    .bottom-nav,
    .hamburger-btn {
        display: none !important;
    }
}

/* ============================================
   INDEX PAGE RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    /* Hero section */
    .hero {
        padding: 32px 0 24px;
    }

    .badge {
        padding: 8px 14px;
        font-size: 11px;
        margin-bottom: 20px;
    }

    .badge svg {
        width: 14px;
        height: 14px;
    }

    .hero h1 {
        font-size: 26px;
        line-height: 1.15;
        margin-bottom: 16px;
    }

    .hero p {
        font-size: 14px;
        margin-bottom: 24px;
        line-height: 1.6;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
        padding: 13px 20px;
        font-size: 14px;
    }

    /* Features grid */
    .features {
        padding: 24px 0 40px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .feature-card {
        padding: 18px 12px;
        border-radius: 12px;
    }

    .feature-icon {
        width: 44px;
        height: 44px;
        margin-bottom: 10px;
    }

    .feature-icon svg {
        width: 22px;
        height: 22px;
    }

    .feature-card h3 {
        font-size: 22px;
        margin-bottom: 2px;
    }

    .feature-card p {
        font-size: 10px;
    }

    /* Register CTA */
    .register-cta {
        padding: 24px 0 80px;
    }

    .cta-card {
        padding: 24px 20px;
        border-radius: 20px;
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .cta-content h2 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .cta-content p {
        font-size: 13px;
        line-height: 1.5;
    }

    .cta-icon {
        width: 80px;
        height: 80px;
    }

    .cta-icon svg {
        width: 36px;
        height: 36px;
    }

    .register-cta .btn {
        width: 100%;
        justify-content: center;
        padding: 13px 20px;
    }

    /* Footer */
    .footer {
        padding: 20px 0;
        padding-bottom: calc(20px + var(--safe-bottom));
        font-size: 11px;
    }

    /* Language switcher */
    .lang-switcher {
        padding: 6px 12px;
        font-size: 12px;
    }

    .lang-switcher svg {
        width: 14px;
        height: 14px;
    }

    /* Logo */
    .logo-mark {
        width: 36px;
        height: 36px;
    }

    .logo-text {
        font-size: 15px;
    }
}

/* ============================================
   TOUCH ENHANCEMENTS
   ============================================ */
button, .btn, .action-btn, .sidebar-item, .bottom-nav-item {
    touch-action: manipulation;
}

/* Smooth transitions for sidebar interactions */
.sidebar,
.sidebar-backdrop {
    will-change: transform, opacity;
}

/* Hide scrollbar on sidebar */
.sidebar::-webkit-scrollbar {
    display: none;
}

.sidebar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ============================================
   PRINT STYLES (hide sidebar/bottom nav)
   ============================================ */
@media print {
    .sidebar,
    .sidebar-backdrop,
    .bottom-nav,
    .hamburger-btn,
    .navbar {
        display: none !important;
    }

    body {
        padding: 0;
    }
}