/* ==========================================
   MOBILE RESPONSIVE OVERRIDES
   Supplements style.css for small screens
   ========================================== */

html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

.portal-layout, .admin-layout, .app-container {
    max-width: 100%;
    overflow-x: hidden;
}

/* ---- Medium Screens (Tablets / Small Laptops) ---- */
@media (max-width: 900px) {
    .admin-layout,
    .portal-layout {
        grid-template-columns: 1fr;
    }

    .admin-sidebar,
    .portal-sidebar {
        display: none !important;
    }

    .admin-main {
        padding: 1.5rem 1.25rem 6rem;
    }

    .portal-main {
        padding: 1.5rem 1.25rem 6rem;
    }

    .mobile-bottom-nav {
        display: flex !important;
    }

    .grid-3 {
        grid-template-columns: 1fr 1fr !important;
    }

    .grid-2 {
        grid-template-columns: 1fr !important;
    }

    .stat-card-premium {
        padding: 1.25rem;
    }

    .view-title {
        font-size: 1.6rem !important;
    }

    /* Fix admin/teacher login absolute centering on tablets */
    #adminAuthWrapper,
    #teacherAuthWrapper {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        transform: none !important;
        margin: 2rem auto !important;
        padding: 2.5rem !important;
        max-width: 95% !important;
        width: 95% !important;
    }

    /* Overview stat grids */
    #view-overview > div:first-of-type,
    #view-global-analytics > div:first-of-type {
        grid-template-columns: 1fr 1fr !important;
    }
}

/* ---- Mobile Phones ---- */
@media (max-width: 768px) {

    /* Fix absolute-positioned login boxes */
    #adminAuthWrapper,
    #teacherAuthWrapper {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        transform: none !important;
        margin: 1.5rem auto !important;
        padding: 2rem 1.5rem !important;
        max-width: 95% !important;
        width: 95% !important;
        border-radius: 2rem !important;
    }

    /* Registration app container */
    .app-container {
        flex-direction: column;
        border-radius: 1.5rem;
        margin: 1rem;
        width: calc(100% - 2rem);
        min-height: auto;
    }

    .app-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 1.5rem;
    }

    .app-content {
        padding: 2rem 1.25rem 4rem;
        max-height: none;
    }

    /* Stat cards full width on mobile */
    #view-overview > div:first-of-type,
    #view-global-analytics > div:first-of-type {
        grid-template-columns: 1fr !important;
    }

    /* All grids collapse to 1 column */
    .grid-3 {
        grid-template-columns: 1fr !important;
    }

    /* Tables scroll horizontally */
    section table,
    .admin-view table {
        min-width: 520px;
    }

    section > div > table,
    .admin-view > div > table {
        min-width: 520px;
    }

    /* Wrap all table containers */
    .admin-view > div[style*="background: var(--glass)"],
    .admin-view > div[style*="border-radius: 2rem"] {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Modal fix */
    #modalBody > div {
        grid-template-columns: 1fr !important;
        text-align: center;
    }

    #modalBody img {
        margin: 0 auto 1.5rem;
    }

    .modal .glass-card {
        padding: 2rem !important;
        width: 95% !important;
        margin: 1rem !important;
        max-height: 95vh;
    }

    /* ID Card mobile fix */
    .id-card-wrap {
        width: 100% !important;
        height: auto !important;
        min-height: 240px;
        transform: none !important;
        padding: 1.25rem;
    }

    .id-card-body {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .id-photo {
        margin-bottom: 1rem;
    }

    .id-details-grid {
        grid-template-columns: 1fr 1fr !important;
        width: 100%;
    }

    .id-footer {
        position: relative;
        margin-top: 1.5rem;
        bottom: 0;
        left: 0;
        right: 0;
    }

    .id-card {
        width: min(100%, 360px) !important;
        padding: 1.15rem !important;
        margin-inline: auto;
    }

    .id-details p {
        align-items: flex-start;
        overflow-wrap: anywhere;
    }

    .id-number {
        font-size: clamp(1rem, 6vw, 1.35rem) !important;
        letter-spacing: 0.06em !important;
        overflow-wrap: anywhere;
    }

    /* Portal header stacks vertically */
    .portal-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    /* Welcome banner */
    .welcome-banner {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding: 2rem;
    }

    .banner-text h1 {
        font-size: 1.75rem;
    }

    /* Dashboard grid single column */
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    /* Profile page */
    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .profile-details-grid {
        grid-template-columns: 1fr !important;
    }

    /* Teacher student details modal */
    #studentDetailsModal .app-container {
        border-radius: 1.5rem !important;
        height: 95vh;
        max-width: 95%;
        flex-direction: column;
    }

    /* Full screen details views */
    #viewInstitutionDetail,
    #viewStudentDetail,
    #viewEditStudent {
        padding: 1.5rem 1rem 5rem 1rem !important;
        width: 100vw !important;
        max-width: 100vw !important;
        overflow-x: hidden !important;
        box-sizing: border-box !important;
    }

    #studentDetailBody .view-header,
    #viewInstitutionDetail .view-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    /* Force grids in profiles to 1 column on mobile */
    #studentDetailBody > div > div[style*="display:grid"],
    #viewInstitutionDetail div[style*="1fr 1fr"],
    #adminModalBody div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
    }
    
    #studentDetailBody div[style*="grid-column: span 2"],
    #adminModalBody div[style*="grid-column: span 2"] {
        grid-column: auto !important;
    }

    /* Move floating buttons up to not overlap bottom nav */

    .fab-container {
        bottom: calc(5.5rem + 1rem) !important;
        right: 1.5rem !important;
    }

    .modal-content {
        width: min(95vw, 560px) !important;
        max-height: 90dvh !important;
    }

    #modalBody,
    #adminModalBody {
        grid-template-columns: 1fr !important;
    }

    #adminModalBody > * {
        grid-column: auto !important;
    }

    /* Analytics charts side by side -> stacked */
    #view-global-analytics > div:last-of-type {
        grid-template-columns: 1fr !important;
    }

    /* View header actions stack */
    #view-students .view-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1rem;
    }

    #view-students .view-header > div {
        flex-direction: column !important;
        width: 100%;
    }

    #view-students .view-header input,
    #view-students .view-header button {
        max-width: 100% !important;
        width: 100% !important;
    }

    .main-content,
    .admin-main,
    .portal-main,
    .dashboard-section,
    .admin-section,
    .form-section {
        min-width: 0;
    }

    .dashboard-section,
    .admin-section,
    .form-section,
    #admittedDetailSection {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .data-table,
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        width: 100%;
        -webkit-overflow-scrolling: touch;
    }

    /* Make Attendance Table Fit on Mobile Screen without scroll */
    #attendanceGridTable {
        display: table;
        width: 100%;
        white-space: normal;
        overflow-x: visible;
    }
    #attendanceGridTable th, #attendanceGridTable td {
        padding: 0.75rem 0.25rem;
        font-size: 0.85rem;
        word-break: break-word;
    }
    #attendanceGridTable th:nth-child(3), #attendanceGridTable td:nth-child(3) {
        display: none; /* Hide Batch column on mobile */
    }
    #attendanceGridTable .att-actions > div {
        display: flex;
        gap: 0.25rem !important;
        width: 100%;
    }
    .btn-att {
        flex: 1;
        padding: 0.6rem 0 !important;
        font-size: 0.9rem !important;
        text-align: center;
    }
}

/* ---- Small Phones ---- */
@media (max-width: 480px) {
    .view-title {
        font-size: 1.25rem !important;
    }

    .btn {
        padding: 0.9rem 1.25rem;
        font-size: 0.9rem;
    }

    .m-nav-item span {
        font-size: 0.55rem;
    }

    #adminAuthWrapper,
    #teacherAuthWrapper {
        padding: 1.5rem !important;
    }

    .stat-info .val {
        font-size: 1.75rem !important;
    }

    .admin-main,
    .portal-main {
        padding: 1rem 1rem 6rem !important;
    }
}

/* ---- index.html Registration Page Mobile ---- */
@media (max-width: 900px) {
    /* Hide sidebar on registration page on mobile */
    .app-container .app-sidebar {
        display: none !important;
    }

    .app-container .app-content {
        padding: 2rem 1.5rem 3rem;
        max-height: none;
        overflow-y: visible;
    }

    .auth-card-mode {
        max-width: 100%;
    }

    .app-container {
        border-radius: 1.5rem;
        margin: 1rem;
        width: calc(100% - 2rem);
        min-height: auto;
    }

    /* Show mobile portal links bar */
    .mobile-portal-links {
        display: flex !important;
    }
}

@media (max-width: 600px) {
    .app-container {
        border-radius: 1.25rem;
        margin: 0.75rem;
        width: calc(100% - 1.5rem);
        min-height: auto;
    }

    .app-container .app-content {
        padding: 2rem 1.25rem 4rem;
    }
}

/* Mobile Bottom Navigation (Native App Feel) */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    z-index: 1000;
    justify-content: space-around;
    align-items: center;
    padding: 0 1rem;
}

@media (max-width: 900px) {
    .portal-layout, .admin-layout {
        grid-template-columns: 1fr !important;
    }
    
    .sidebar, .admin-sidebar {
        position: fixed !important;
        top: 0 !important;
        left: -280px !important; /* Off-screen */
        width: 280px !important;
        height: 100dvh !important;
        z-index: 2000 !important;
        display: flex !important;
        flex-direction: column !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        background: var(--surface-solid) !important;
        box-shadow: var(--shadow-lg) !important;
        overflow-y: auto !important;
        padding-bottom: calc(2rem + env(safe-area-inset-bottom)) !important;
    }

    .sidebar.active, .admin-sidebar.active {
        transform: translateX(280px) !important;
    }

    /* Mobile Header with Menu Button */
    .mobile-top-bar {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 1rem 1.5rem;
        background: var(--glass-heavy);
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 1500;
        gap: 0.75rem;
        min-width: 0;
    }

    .mobile-top-bar .app-logo {
        min-width: 0;
        flex: 1;
    }

    .mobile-top-bar .app-logo span {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .menu-toggle {
        display: flex !important;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0.5rem;
        min-width: 44px;
        min-height: 44px;
        justify-content: center;
    }

    .menu-toggle span {
        width: 25px;
        height: 2px;
        background: var(--primary);
        transition: 0.3s;
    }

    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.4);
        z-index: 1900;
        display: none;
    }

    .sidebar-overlay.active {
        display: block;
    }

    .main-content, .admin-main {
        padding: 1rem 1rem 2rem !important;
    }

    body.drawer-open {
        overflow: hidden;
    }
    
    /* Remove the old bottom nav as we are using the side drawer for ALL options */
    .mobile-nav {
        display: none !important;
    }
}

.m-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 700;
    gap: 0.25rem;
}

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

.m-nav-icon {
    font-size: 1.4rem;
}