/* ==========================================================================
   MARKDOWN STUDIO - PREMIUM MOBILE UI/UX
   ========================================================================== */

@media screen and (max-width: 768px) {

    .mobile-only {
        display: flex !important;
    }

    .desktop-only {
        display: none !important;
    }

    input,
    textarea {
        font-size: 16px !important;
    }

    * {
        -webkit-tap-highlight-color: transparent !important;
    }

    body {
        height: 100dvh !important;
    }

    .navbar {
        padding: 0 16px;
        height: 56px;
        gap: 12px;
        flex-wrap: nowrap;
        justify-content: flex-start;
    }

    #mobile-menu-btn {
        background: transparent;
        border: none;
        color: var(--text-color);
        cursor: pointer;
        padding: 8px;
        margin-left: -8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .brand {
        font-size: 1.15rem;
        flex: 1;
        text-align: left;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    #mobile-view-toggle {
        background-color: transparent !important;
        border: 1.5px solid var(--border-color) !important;
        color: var(--text-color) !important;
        width: 36px !important;
        height: 36px !important;
        border-radius: 8px !important;
        display: flex !important;
        align-items: center;
        justify-content: center;
        padding: 0 !important;
        box-shadow: none !important;
        position: relative !important;
        bottom: auto !important;
        right: auto !important;
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        flex-shrink: 0;
    }

    #mobile-view-toggle i {
        width: 18px !important;
        height: 18px !important;
        margin: 0 !important;
    }

    #mobile-view-toggle:active {
        background-color: var(--hover-bg) !important;
        transform: scale(0.95);
    }

    .mode-tab .tab-text {
        display: none !important;
    }

    .mode-tab {
        padding: 8px 0 !important;
    }

    .mode-tab i {
        width: 16px !important;
        height: 16px !important;
        margin: 0 !important;
    }

    .app-container {
        flex: 1 !important;
        height: 100% !important;
        width: 100vw !important;
        min-height: 0;
        display: flex;
        flex-direction: column;
    }

    .split-workspace {
        flex: 1 !important;
        display: flex;
        flex-direction: column;
        position: relative;
        min-height: 0;
    }

    .editor-panel {
        flex: 1 !important;
        display: flex !important;
        flex-direction: column;
        border-right: none;
    }

    .preview-panel {
        flex: 1 !important;
        display: none;
        padding: 20px 16px;
        padding-bottom: calc(24px + env(safe-area-inset-bottom)) !important;
    }

    body.show-preview .editor-panel {
        display: none !important;
    }

    body.show-preview .preview-panel {
        display: block !important;
    }

    body.show-preview .editor-toolbar {
        display: none !important;
    }

    textarea {
        padding: 16px;
        padding-bottom: calc(24px + env(safe-area-inset-bottom)) !important;
    }

    #preview-output h1,
    #dashboard-preview-output h1 {
        font-size: 1.6rem !important;
    }

    #preview-output h2,
    #dashboard-preview-output h2 {
        font-size: 1.3rem !important;
    }

    #preview-output h3,
    #dashboard-preview-output h3 {
        font-size: 1.1rem !important;
    }

    #preview-output p,
    #dashboard-preview-output p,
    #preview-output ul,
    #dashboard-preview-output ul,
    #preview-output ol,
    #dashboard-preview-output ol {
        font-size: 0.95rem !important;
    }

    .copy-code-btn {
        opacity: 1 !important;
        width: 36px !important;
        height: 36px !important;
        background-color: var(--hover-bg) !important;
        border: 1px solid var(--border-color) !important;
        box-shadow: 0 4px 12px var(--shadow-color) !important;
    }

    .copy-code-btn:active {
        transform: scale(0.9) !important;
    }

    .editor-toolbar {
        padding: 6px 8px !important;
        gap: 4px !important;
        min-height: 44px;
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }

    .tool-btn {
        padding: 6px !important;
    }

    .tool-btn i {
        width: 16px !important;
        height: 16px !important;
    }

    .toolbar-divider {
        margin: 0 2px !important;
    }

    .toolbar-spacer {
        min-width: 8px !important;
    }

    .status-bar {
        padding: 8px 16px;
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
        font-size: 0.7rem;
        justify-content: center;
    }

    .mobile-sidebar-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 4000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease;
    }

    .mobile-sidebar-overlay.show {
        opacity: 1;
        visibility: visible;
    }

    .mobile-sidebar {
        position: absolute;
        top: 0;
        left: -300px;
        width: 280px;
        max-width: 85vw;
        height: 100%;
        background-color: var(--nav-bg);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
        transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
        display: flex;
        flex-direction: column;
    }

    .mobile-sidebar-overlay.show .mobile-sidebar {
        transform: translateX(300px);
    }

    .sidebar-header {
        height: 60px !important;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: env(safe-area-inset-top) 20px 0 !important;
    }

    .sidebar-header h3 {
        font-size: 1.1rem;
        margin: 0;
        font-family: var(--ui-font);
        font-weight: 600;
    }

    #close-sidebar-btn {
        background-color: var(--hover-bg) !important;
        border-radius: 50% !important;
        border: none;
        color: var(--text-color);
        cursor: pointer;
        width: 32px !important;
        height: 32px !important;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background 0.2s !important;
    }

    #close-sidebar-btn i {
        width: 16px !important;
        height: 16px !important;
    }

    #close-sidebar-btn:active {
        background-color: var(--border-color) !important;
    }

    .sidebar-links {
        padding: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        overflow-y: auto;
    }

    .sidebar-btn {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 14px 16px;
        border-radius: 12px;
        background-color: transparent;
        border: 1px solid var(--border-color);
        color: var(--text-color);
        font-family: var(--ui-font);
        font-size: 1rem;
        font-weight: 500;
    }

    .sidebar-btn i {
        color: var(--accent-color);
        width: 18px;
        height: 18px;
    }

    .sidebar-btn:active {
        background-color: var(--hover-bg);
        border-color: var(--text-color);
    }

    #mobile-mode-toggle,
    #mobile-theme-toggle {
        padding: 4px;
        background-color: var(--toggle-track);
        border-radius: 100px;
    }

    .modal-overlay {
        align-items: flex-end !important;
        padding: 0 !important;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }

    .modal-box {
        position: relative;
        width: 100% !important;
        max-width: 100% !important;
        max-height: 90vh !important;
        border-radius: 28px 28px 0 0 !important;
        padding: 24px 20px calc(24px + env(safe-area-inset-bottom)) !important;
        margin: 0 !important;
        transform: translateY(100%) !important;
        transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1) !important;
        border: none !important;
        border-top: 1px solid var(--border-color) !important;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .modal-overlay.show .modal-box {
        transform: translateY(0) !important;
    }

    .modal-box::before {
        content: '';
        position: absolute;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 5px;
        background-color: var(--text-color);
        opacity: 0.15;
        border-radius: 10px;
        z-index: 10;
    }

    .modal-title {
        font-size: 1.3rem !important;
        margin-bottom: 20px !important;
    }

    .modal-input,
    .dropdown-header {
        padding: 12px 14px !important;
        font-size: 0.95rem !important;
        border-radius: 12px !important;
    }

    .modal-actions {
        flex-direction: row !important;
        justify-content: space-between !important;
        gap: 10px !important;
        width: 100% !important;
        margin-top: 20px !important;
    }

    .modal-btn {
        flex: 1 !important;
        padding: 12px !important;
        font-size: 1rem !important;
        border-radius: 12px !important;
    }

    .premium-modal {
        padding-top: 40px !important;
        border-radius: 32px 32px 0 0 !important;
    }

    .premium-icon-wrapper {
        width: 56px !important;
        height: 56px !important;
        margin-bottom: 20px !important;
    }

    .premium-icon-wrapper i {
        width: 28px !important;
        height: 28px !important;
    }

    .premium-modal-header {
        margin-bottom: 24px !important;
    }

    .premium-input-group .modal-input {
        padding: 18px 20px !important;
        border-radius: 14px !important;
    }

    .notes-dashboard-box {
        padding: 0 !important;
        display: block !important;
        overflow: hidden !important;
    }

    .notes-dashboard-box.folders-collapsed .notes-dashboard-folders {
        width: 100% !important;
        opacity: 1;
    }

    .notes-dashboard-folders {
        width: 100% !important;
        height: 100% !important;
        min-height: 50vh;
        border-right: none !important;
        padding-top: 24px !important;
        transition: transform 0.3s ease;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 30;
        background: var(--bg-color);
    }

    .notes-dashboard-left {
        width: 100% !important;
        height: 100% !important;
        min-height: 50vh;
        border-right: none !important;
        transition: transform 0.3s ease;
        padding-top: 24px !important;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 40;
        background: var(--nav-bg);
        transform: translateX(100%);
    }

    .notes-dashboard-right {
        position: absolute !important;
        top: 0;
        left: 0;
        width: 100% !important;
        height: 100% !important;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 50;
        background-color: var(--preview-bg) !important;
        display: flex;
        flex-direction: column;
        padding-top: 16px;
    }

    .notes-dashboard-box.show-notes-pane .notes-dashboard-folders {
        transform: translateX(-30%);
        opacity: 0;
    }

    .notes-dashboard-box.show-notes-pane .notes-dashboard-left {
        transform: translateX(0);
    }

    .notes-dashboard-box.show-preview-pane .notes-dashboard-left {
        transform: translateX(-30%);
        opacity: 0;
    }

    .notes-dashboard-box.show-preview-pane .notes-dashboard-right {
        transform: translateX(0);
    }

    .folders-header,
    .notes-dashboard-left-header {
        padding: 0 56px 16px 20px !important;
    }

    .notes-dashboard-box .btn-close-dashboard,
    .docs-modal-box .btn-close-dashboard {
        top: 22px !important;
        right: 16px !important;
        width: 32px !important;
        height: 32px !important;
        background-color: transparent !important;
        border: none !important;
        box-shadow: none !important;
        color: var(--text-color) !important;
        opacity: 0.6 !important;
        z-index: 100;
        padding: 0 !important;
    }

    .notes-dashboard-box .btn-close-dashboard i,
    .docs-modal-box .btn-close-dashboard i {
        width: 22px !important;
        height: 22px !important;
    }

    .notes-dashboard-box .btn-close-dashboard:active,
    .docs-modal-box .btn-close-dashboard:active {
        transform: scale(0.9) !important;
        background-color: var(--hover-bg) !important;
        opacity: 1 !important;
        border-radius: 8px !important;
    }

    .mobile-back-to-folders {
        display: flex;
        align-items: center;
        gap: 6px;
        background: transparent;
        border: none;
        color: var(--text-color);
        font-family: var(--ui-font);
        font-weight: 600;
        padding: 8px 0;
        margin-bottom: 8px;
        cursor: pointer;
    }

    .mobile-back-to-folders i {
        width: 16px;
        height: 16px;
    }

    /* ✨ SHOW DELETE BUTTON ON MOBILE ✨ */
    .folder-del-btn {
        opacity: 0.7 !important;
        padding: 6px !important;
        width: 32px !important;
        height: 32px !important;
        margin-left: 6px;
    }

    .folder-del-btn i {
        width: 16px !important;
        height: 16px !important;
    }

    #btn-new-note {
        font-size: 0.95rem !important;
    }

    .folders-list,
    .notes-list {
        padding: 0 20px 20px !important;
        flex: 1;
        overflow-y: auto;
    }

    .folder-item {
        padding: 10px 12px !important;
        border-radius: 12px !important;
        margin-bottom: 8px;
        background: var(--nav-bg);
        border: 1px solid var(--border-color);
    }

    .note-item {
        padding: 14px 16px !important;
        border-radius: 12px !important;
        margin-bottom: 10px;
    }

    .note-item.active {
        border-left: 1px solid var(--border-color) !important;
        border: 2px solid var(--accent-color) !important;
    }

    .dashboard-actions {
        padding: 12px 64px 12px 16px !important;
        gap: 12px !important;
        overflow-x: auto;
        border-bottom: 1px solid var(--border-color);
        background-color: var(--nav-bg) !important;
        display: flex !important;
        justify-content: flex-end !important;
        align-items: center !important;
        height: 64px !important;
    }

    .dashboard-actions .pill-btn {
        font-size: 0 !important;
        width: 40px !important;
        height: 40px !important;
        padding: 0 !important;
        border-radius: 50% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 0 !important;
        flex-shrink: 0 !important;
        border: 1px solid var(--border-color) !important;
        background-color: var(--bg-color) !important;
        color: var(--text-color) !important;
    }

    .dashboard-actions .pill-btn i {
        width: 20px !important;
        height: 20px !important;
        margin: 0 !important;
    }

    .dashboard-actions .pill-btn:active {
        transform: scale(0.9) !important;
        box-shadow: none !important;
    }

    #dash-btn-back {
        margin-right: auto !important;
        background-color: var(--hover-bg) !important;
        border: 1px solid var(--border-color) !important;
        color: var(--text-color) !important;
    }

    .dashboard-preview-content {
        padding: 20px 20px calc(24px + env(safe-area-inset-bottom)) !important;
        flex: 1;
        overflow-y: auto;
    }

    .docs-modal-box {
        padding: 0 !important;
        display: flex !important;
        flex-direction: column !important;
    }

    .docs-header {
        padding: 24px 64px 20px 24px !important;
    }

    .docs-header h2 {
        font-size: 1.3rem !important;
    }

    .docs-body {
        padding: 24px !important;
        padding-bottom: calc(24px + env(safe-area-inset-bottom)) !important;
    }

    .docs-section {
        margin-bottom: 32px !important;
    }

    .docs-section h3 {
        font-size: 1.1rem !important;
    }

    .delete-modal-box {
        padding-top: 32px !important;
        text-align: center !important;
    }

    .delete-icon-wrapper {
        justify-content: center !important;
    }

    .setup-modal-box {
        padding-top: 32px !important;
    }

    #toast {
        bottom: calc(20px + env(safe-area-inset-bottom)) !important;
        width: auto !important;
        min-width: 0 !important;
        max-width: calc(100vw - 32px) !important;
        left: 50% !important;
        right: auto !important;
        margin-left: 0 !important;
        transform: translate(-50%, 20px) !important;
        padding: 10px 20px !important;
        border-radius: 50px !important;
        font-size: 0.85rem !important;
        text-align: center !important;
        white-space: pre-wrap !important;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25) !important;
        z-index: 99999 !important;
    }

    #toast.show {
        transform: translate(-50%, 0) !important;
    }
}