/* ====================================================
   JOVAN AI - COMPREHENSIVE MOBILE RESPONSIVE STYLES
   ==================================================== */

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

    /* =====================
       LAYOUT & MAIN WORKSPACE
    ===================== */

    /* Stack header + main vertically */
    #app-root {
        display: flex;
        flex-direction: column;
        height: 100dvh;
        overflow: hidden;
    }

    .main-workspace {
        display: flex;
        flex-direction: column;
        flex: 1;
        overflow: hidden;
        /* Push content below the fixed sidebar hamburger header */
        margin-left: 0 !important;
    }

    #main-content {
        margin-left: 0 !important;
        padding: 0 !important;
        flex: 1;
        overflow-y: auto;
    }

    .main-content {
        padding: var(--space-md) !important;
    }

    /* =====================
       SIDEBAR - SLIDE DRAWER
    ===================== */

    .sidebar {
        position: fixed !important;
        left: 0;
        top: 64px;
        z-index: 1000;
        height: calc(100dvh - 64px);
        width: 260px !important;
        box-shadow: 4px 0 24px rgba(0,0,0,0.18);
        background: var(--bg-card);
        transform: translateX(0);
        transition: transform 0.3s ease;
        overflow-y: auto;
    }

    .sidebar.hidden {
        transform: translateX(-100%) !important;
        pointer-events: none;
    }

    /* Sidebar overlay backdrop */
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 999;
    }
    .sidebar-overlay.active {
        display: block;
    }

    /* =====================
       HEADER
    ===================== */

    .header {
        position: sticky;
        top: 0;
        z-index: 1001;
        padding: 0 var(--space-md) !important;
        height: 56px !important;
    }

    .search-bar {
        display: none !important;
    }

    .teacher-text, .student-text {
        display: none !important; /* Save space on mobile */
    }

    .header-title {
        margin-left: 4px;
    }

    .title-main {
        font-size: 0.95rem !important;
    }

    .header .avatar {
        width: 34px !important;
        height: 34px !important;
    }

    .header-interactions {
        gap: 2px !important;
        padding-right: 0 !important;
    }

    .icon-btn {
        width: 34px !important;
        height: 34px !important;
        font-size: 1rem !important;
    }

    /* =====================
       CHAT AREA
    ===================== */

    .chat-messages-container {
        padding: var(--space-md) var(--space-sm) !important;
        gap: var(--space-md) !important;
    }

    .ai-message-wrapper,
    .user-message-wrapper {
        max-width: 92% !important;
        gap: var(--space-sm) !important;
    }

    .ai-message, .user-message {
        font-size: 0.92rem !important;
        padding: var(--space-sm) var(--space-md) !important;
        line-height: 1.55 !important;
    }

    .ai-avatar, .user-avatar {
        width: 30px !important;
        height: 30px !important;
        font-size: 0.8rem !important;
        flex-shrink: 0;
    }

    /* =====================
       INPUT BAR
    ===================== */

    #input-bar {
        padding: var(--space-sm) var(--space-sm) !important;
        /* Safe area for iPhone home bar */
        padding-bottom: calc(var(--space-sm) + env(safe-area-inset-bottom, 0px)) !important;
        background: var(--bg-main);
        flex-shrink: 0;
        border-top: 1px solid var(--border-light);
    }

    .input-wrapper {
        padding: 4px var(--space-sm) !important;
        gap: var(--space-sm) !important;
        border-radius: var(--radius-lg) !important;
    }

    /* Hide extra tool buttons on mobile to save space */
    .input-tools {
        display: none !important;
    }

    .input-container input {
        font-size: 16px !important; /* Prevent iOS zoom on focus */
        padding: 10px 0 !important;
    }

    .send-btn {
        width: 38px !important;
        height: 38px !important;
        flex-shrink: 0;
    }

    /* Voice toggle button */
    #voiceToggle {
        width: 36px !important;
        height: 36px !important;
        font-size: 0.95rem !important;
    }

    /* =====================
       QUICK ACTIONS TOKENS
    ===================== */

    .action-tokens {
        gap: var(--space-xs) !important;
        flex-wrap: wrap;
    }

    .action-token {
        padding: 5px 12px !important;
        font-size: 0.78rem !important;
    }

    /* =====================
       DASHBOARD
    ===================== */

    .welcome-card {
        padding: var(--space-lg) !important;
        text-align: center;
    }

    .welcome-text h2 {
        font-size: 1.4rem !important;
    }

    .dashboard-teacher-img {
        width: 90px !important;
        height: 90px !important;
    }

    .quick-actions {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--space-md) !important;
    }

    .action-card {
        padding: var(--space-md) !important;
    }

    .action-card .icon {
        font-size: 1.8rem !important;
    }

    .analytics-grid,
    .homework-grid,
    .usage-grid,
    .input-grid,
    .stats-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-md) !important;
    }

    .chart-container {
        height: 280px !important;
    }

    .welcome-stats {
        flex-direction: column !important;
        gap: var(--space-md) !important;
        margin-top: var(--space-lg) !important;
    }

    .stat-mini-card {
        padding: var(--space-md) !important;
    }

    /* =====================
       TYPOGRAPHY
    ===================== */

    h2 { font-size: 1.4rem !important; }
    h3 { font-size: 1.15rem !important; }
    p  { font-size: 0.93rem !important; }

    /* =====================
       MODE BUTTONS
    ===================== */

    .mode-btn {
        padding: 4px 12px !important;
        font-size: 0.78rem !important;
    }
}

/* ---- 480px: Small phones ---- */
@media (max-width: 480px) {

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

    .welcome-card {
        padding: var(--space-md) !important;
    }

    .welcome-text h2 {
        font-size: 1.2rem !important;
    }

    .ai-message-wrapper,
    .user-message-wrapper {
        max-width: 96% !important;
    }

    .ai-message, .user-message {
        font-size: 0.9rem !important;
    }

    .action-token {
        font-size: 0.72rem !important;
        padding: 4px 10px !important;
    }

    #input-bar {
        padding: 6px var(--space-xs) !important;
        padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px)) !important;
    }
}

/* ====================================================
   MOBILE PATCH v2 (current components)
   ==================================================== */

@media (max-width: 768px) {
    body {
        -webkit-overflow-scrolling: touch;
    }

    #app-root {
        height: 100dvh !important;
    }

    .header {
        height: 56px !important;
        padding: 0 10px !important;
        position: sticky;
        top: 0;
        z-index: 1200;
    }

    .header-left,
    .header-right {
        gap: 6px !important;
    }

    .header-interactions {
        gap: 2px !important;
        padding-right: 0 !important;
        margin-right: 0 !important;
    }

    .icon-btn {
        width: 36px !important;
        height: 36px !important;
        font-size: 1rem !important;
    }

    .student-text {
        display: none !important;
    }

    .header .avatar {
        width: 34px !important;
        height: 34px !important;
    }

    #main-content {
        padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    }

    .main-content {
        padding: 12px !important;
    }

    .sidebar.chatgpt-style {
        width: 278px !important;
        top: 0 !important;
        height: 100dvh !important;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 1300 !important;
    }

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

    .sidebar.chatgpt-style.hidden {
        transform: translateX(-100%) !important;
        width: 278px !important;
        opacity: 1 !important;
        border-right: 1px solid var(--sb-border);
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(2, 6, 23, 0.45);
        z-index: 1250;
    }

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

    body.sidebar-open {
        overflow: hidden;
    }

    .chat-page {
        height: calc(100dvh - 56px) !important;
    }

    .chat-input-bar {
        margin-bottom: calc(10px + env(safe-area-inset-bottom, 0px)) !important;
    }

    .chat-actions-bar {
        padding-left: 2px;
        padding-right: 2px;
    }

    .dashboard-container,
    .settings-page,
    .analytics-page,
    .homework-page,
    .account-settings-page {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }

    .page-header h2 {
        font-size: clamp(1.6rem, 6vw, 2rem) !important;
    }

    .settings-section,
    .activity-section,
    .section-card,
    .account-section,
    .chart-container {
        border-radius: 18px !important;
        padding: 14px !important;
    }

    .settings-group,
    .input-grid,
    .analytics-grid,
    .homework-grid,
    .stats-overview {
        grid-template-columns: 1fr !important;
    }

    .plan-card {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }
}

@media (max-width: 420px) {
    .title-main {
        font-size: 0.9rem !important;
    }

    .dashboard-badge,
    .status-badge {
        font-size: 10px !important;
    }

    .chat-input-bar {
        width: calc(100% - 12px) !important;
        padding: 7px !important;
    }

    #voiceToggle,
    #sendBtn {
        width: 40px !important;
        height: 40px !important;
    }
}