/* ============================================
   MOBILE STYLES - Wabi-Sabi Design System
   boardr.it Application

   Applied only on mobile devices (< 768px)
   Japanese aesthetic adapted for touch
   ============================================ */

@media (max-width: 768px) {

    /* ========== RESET & BASE ========== */

    html {
        font-size: 16px;
        -webkit-tap-highlight-color: transparent;
    }

    body {
        overflow-x: hidden;
        overflow-y: auto;
        min-height: 100vh;
        position: relative;
    }

    /* ========== MAIN CONTENT - ENABLE VERTICAL SCROLL ========== */

    .main-content {
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
    }

    .kanban-board {
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
    }

    /* ========== NAVBAR MOBILE ========== */

    .navbar-professional {
        height: auto;
        min-height: 56px;
        padding: var(--space-2) var(--space-4);
        background: var(--washi-white);
        border-bottom: 1px solid var(--washi-aged);
    }

    .navbar-brand {
        font-size: var(--text-base);
    }

    .navbar-logo {
        height: 26px;
    }

    .navbar-toggler {
        border: none;
        padding: var(--space-2);
        color: var(--sumi-medium);
    }

    /* Fullscreen hamburger menu */
    .navbar-collapse {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--washi-white);
        overflow-y: auto;
        padding: var(--space-4) 0;
        z-index: var(--z-modal-backdrop);
        transform: translateX(100%);
        transition: transform var(--duration-slow) var(--ease-float);
    }

    .navbar-collapse.show {
        transform: translateX(0);
    }

    .navbar-nav {
        flex-direction: column;
        width: 100%;
    }

    .nav-item {
        width: 100%;
        border-bottom: 1px dashed var(--washi-shadow);
    }

    /* Hide desktop dropdown, show expanded menu */
    .navbar-nav > .dropdown {
        display: none !important;
    }

    .mobile-user-menu {
        display: flex !important;
        flex-direction: column;
        width: 100%;
    }

    .mobile-user-header {
        background-color: var(--washi-warm);
        font-size: var(--text-sm);
        color: var(--sumi-faded);
    }

    .nav-link {
        padding: var(--space-4) var(--space-5) !important;
        font-size: var(--text-base);
        display: flex;
        align-items: center;
        gap: var(--space-3);
        color: var(--sumi-light);
        transition: background-color var(--duration-base) var(--ease-gentle);
    }

    .nav-link:active {
        background-color: var(--washi-warm);
    }

    .nav-link i {
        font-size: var(--text-lg);
        width: 24px;
        text-align: center;
        color: var(--ai-primary);
    }

    /* ========== CONTAINER MOBILE ========== */

    .container-fluid {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    /* ========== KANBAN BOARD MOBILE ========== */

    .kanban-header {
        display: flex;
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-5);
        margin-bottom: var(--space-5);
        background: var(--washi-white);
        border-bottom: 1px dashed var(--washi-shadow);
    }

    .kanban-header::before {
        display: none;
    }

    .kanban-header > .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: var(--space-4);
        width: 100% !important;
    }

    .kanban-header h1 {
        font-size: var(--text-2xl);
        text-align: left;
        width: 100%;
        margin-bottom: 0;
    }

    .header-buttons {
        width: 100%;
        display: flex;
        flex-direction: row !important;
        flex-wrap: wrap;
        gap: var(--space-2);
        margin-left: 0 !important;
    }

    .header-buttons .btn,
    .header-buttons .dropdown {
        flex: 1;
        min-width: calc(50% - var(--space-1));
        width: auto !important;
    }

    .header-buttons .btn,
    .header-buttons .dropdown .btn {
        width: 100% !important;
    }

    /* Single column layout */
    .kanban-board {
        flex-direction: column !important;
        gap: var(--space-6);
        padding: var(--space-4);
    }

    .kanban-column {
        min-height: auto;
        padding: 0;
        max-width: 100%;
        min-width: 100%;
    }

    .kanban-column + .kanban-column {
        border-left: none;
        padding-left: 0;
        border-top: 1px dashed var(--washi-shadow);
        padding-top: var(--space-5);
    }

    .column-header {
        flex-direction: row;
        gap: var(--space-3);
        padding-bottom: var(--space-4);
    }

    .column-header::after {
        display: none;
    }

    .column-header h3 {
        font-size: var(--text-base);
    }

    .task-count {
        font-size: var(--text-xl);
    }

    .column-body {
        min-height: 80px;
        padding: var(--space-2) 0;
    }

    /* ========== TASK CARDS MOBILE ========== */

    .kanban-card {
        min-height: auto;
        max-height: none;
        padding: var(--space-4);
        margin-bottom: var(--space-4);
        cursor: pointer;
        touch-action: manipulation;
    }

    .kanban-card::before {
        top: var(--space-2);
        height: calc(100% - var(--space-4));
    }

    .kanban-card::after {
        border-width: 0 14px 14px 0;
    }

    .kanban-card .drag-handle {
        display: none;
    }

    .kanban-card:hover {
        transform: none;
        box-shadow: var(--shadow-card);
    }

    /* Touch targets */
    .card-actions-minimal .btn {
        min-width: 44px;
        min-height: 44px;
        padding: var(--space-3);
        flex: 0 0 auto !important;
    }

    .card-actions-minimal .btn i {
        font-size: var(--text-base);
    }

    .card-actions-minimal {
        display: flex;
        flex-direction: row !important;
        flex-wrap: nowrap;
        gap: var(--space-2);
        justify-content: center;
        align-items: center;
    }

    .card-actions-minimal a,
    .card-actions-minimal form {
        flex: 0 0 auto;
    }

    .card-actions-minimal form {
        display: inline-flex;
    }

    .task-content-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-2);
    }

    .task-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .card-title-minimal {
        font-size: var(--text-base);
        word-wrap: break-word;
        overflow-wrap: break-word;
        white-space: normal;
    }

    .task-meta-minimal {
        font-size: var(--text-xs);
        flex-wrap: wrap;
    }

    /* ========== FORMS MOBILE ========== */

    .form-control {
        font-size: 16px !important;
        padding: var(--space-3) var(--space-4);
        min-height: 48px;
        background: var(--washi-white);
        border-color: var(--washi-shadow);
    }

    .form-control:focus {
        border-color: var(--ai-light);
        box-shadow: var(--shadow-focus);
    }

    .form-select {
        font-size: 16px !important;
        min-height: 48px;
    }

    textarea.form-control {
        min-height: 120px;
    }

    .form-label {
        font-size: var(--text-sm);
        margin-bottom: var(--space-2);
        color: var(--sumi-light);
    }

    .input-group .form-control {
        border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    }

    .input-group .btn {
        min-height: 48px;
    }

    /* ========== BUTTONS MOBILE ========== */

    .btn {
        min-height: 48px;
        padding: var(--space-3) var(--space-5);
        font-size: var(--text-base);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-2);
    }

    .btn-sm {
        min-height: 40px;
        padding: var(--space-2) var(--space-4);
        font-size: var(--text-sm);
    }

    .btn i {
        font-size: 1.1em;
    }

    /* ========== CARDS MOBILE ========== */

    .card {
        border-radius: var(--radius-organic-lg);
        overflow: hidden;
        background: var(--washi-white);
        box-shadow: var(--shadow-card);
    }

    .card-header {
        padding: var(--space-4);
        background: var(--washi-warm);
        border-bottom: 1px dashed var(--washi-shadow);
    }

    .card-body {
        padding: var(--space-4);
    }

    .card-footer {
        padding: var(--space-4);
        background: var(--washi-warm);
        border-top: 1px dashed var(--washi-shadow);
    }

    .summary-card .card-body {
        padding: var(--space-4);
    }

    .summary-card .card-title {
        font-size: var(--text-2xl);
        color: var(--sumi-dark);
    }

    .summary-card .card-subtitle {
        font-size: var(--text-sm);
        color: var(--sumi-faded);
    }

    .summary-icon {
        font-size: 2rem;
        opacity: 0.6;
        color: var(--ai-primary);
    }

    .board-overview-card .card-body {
        padding: var(--space-4);
    }

    .stat-box {
        padding: var(--space-2);
    }

    .stat-value {
        font-size: var(--text-2xl);
        font-weight: var(--font-semibold);
        color: var(--sumi-dark);
    }

    .stat-label {
        font-size: var(--text-xs);
        color: var(--sumi-faded);
    }

    .status-item {
        padding: var(--space-2);
        border-radius: var(--radius-sm);
        background-color: var(--washi-warm);
    }

    .status-badge {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        display: inline-block;
        margin-right: var(--space-2);
    }

    .status-name {
        font-size: var(--text-sm);
        color: var(--sumi-light);
    }

    /* Template cards */
    .template-card {
        flex-direction: column;
    }

    .template-card .status-footer {
        padding: var(--space-3);
        border-top: 1px dashed var(--washi-shadow);
    }

    .template-card .status-actions {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .template-card .status-actions .btn {
        flex: 1;
        min-width: calc(50% - var(--space-1));
        font-size: var(--text-sm);
    }

    /* Task section cards */
    .task-section-card {
        border-radius: var(--radius-organic-lg);
        overflow: hidden;
    }

    .task-section-card .card-header {
        border-radius: 0;
    }

    .task-section-card.overdue .card-header {
        background-color: var(--hanko-whisper) !important;
    }

    .task-section-card.due-today .card-header {
        background-color: var(--kitsune-whisper) !important;
    }

    /* ========== MODALS MOBILE ========== */

    .modal-dialog {
        margin: 0;
        max-width: 100%;
        height: 100%;
    }

    .modal-content {
        border: none;
        border-radius: 0;
        height: 100%;
        background: var(--washi-cream);
    }

    .modal-header {
        padding: var(--space-4);
        border-bottom: 1px dashed var(--washi-shadow);
        background: var(--washi-white);
    }

    .modal-body {
        padding: var(--space-4);
        overflow-y: auto;
    }

    .modal-footer {
        padding: var(--space-4);
        border-top: 1px dashed var(--washi-shadow);
        background: var(--washi-white);
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .modal-footer .btn {
        flex: 1;
        min-width: 120px;
    }

    /* ========== ALERTS MOBILE ========== */

    .alert {
        padding: var(--space-3) var(--space-4);
        border-radius: var(--radius-organic-md);
        font-size: var(--text-sm);
        border: 1px dashed;
    }

    /* ========== DROPDOWNS MOBILE ========== */

    .kanban-header .dropdown {
        position: relative !important;
        z-index: 100;
    }

    .dropdown-menu {
        position: absolute !important;
        z-index: var(--z-modal) !important;
        display: none !important;
        min-width: 10rem;
        padding: var(--space-2) 0;
        margin: var(--space-0-5) 0 0;
        font-size: var(--text-base);
        color: var(--sumi-medium);
        text-align: left;
        list-style: none;
        background-color: var(--washi-white);
        background-clip: padding-box;
        border: 1px solid var(--washi-shadow);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lifted);
    }

    .dropdown-menu.show {
        display: block !important;
    }

    .kanban-header .dropdown-menu {
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: auto !important;
        width: auto !important;
        min-width: 100% !important;
        max-width: none !important;
        height: auto !important;
        max-height: 400px !important;
        overflow-y: auto !important;
        border: 1px solid var(--washi-shadow);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lifted);
        transform: none !important;
        margin-top: var(--space-2) !important;
    }

    .dropdown-menu.mobile-fullscreen {
        position: fixed !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        width: 90vw !important;
        max-width: 400px !important;
        max-height: 70vh !important;
        overflow-y: auto !important;
        z-index: var(--z-popover) !important;
        border: 1px solid var(--washi-shadow);
        border-radius: var(--radius-organic-lg);
        box-shadow: var(--shadow-floating);
    }

    .dropdown-menu .dropdown-item {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-base);
        border-bottom: 1px dashed var(--washi-aged);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block;
        width: 100%;
        clear: both;
        font-weight: var(--font-normal);
        color: var(--sumi-light);
        text-align: inherit;
        text-decoration: none;
        background-color: transparent;
        border: 0;
        transition: background-color var(--duration-base) var(--ease-gentle);
    }

    .dropdown-menu .dropdown-item:last-child {
        border-bottom: none;
    }

    .dropdown-menu .dropdown-item:hover,
    .dropdown-menu .dropdown-item:focus,
    .dropdown-menu .dropdown-item:active {
        background-color: var(--washi-warm);
        color: var(--sumi-medium);
    }

    .dropdown-toggle {
        text-align: left;
        justify-content: space-between;
    }

    .dropdown-toggle::after {
        display: inline-block;
        margin-left: 0.255em;
        vertical-align: 0.255em;
        content: "";
        border-top: 0.3em solid;
        border-right: 0.3em solid transparent;
        border-bottom: 0;
        border-left: 0.3em solid transparent;
    }

    .dropdown-menu[data-bs-popper] {
        left: 0 !important;
        right: auto !important;
    }

    /* ========== TABLES MOBILE ========== */

    .table {
        font-size: var(--text-sm);
    }

    .table th,
    .table td {
        padding: var(--space-3) var(--space-2);
    }

    /* ========== CHECKLIST MOBILE ========== */

    .checklist-item {
        padding: var(--space-3);
    }

    .checklist-checkbox {
        width: 22px;
        height: 22px;
    }

    .checklist-text {
        font-size: var(--text-base);
    }

    /* ========== PROGRESS BARS MOBILE ========== */

    .checklist-progress-bar-container {
        height: 4px;
    }

    .task-checklist-progress {
        border-top: 1px dashed var(--washi-shadow);
    }

    /* ========== EMPTY STATES MOBILE ========== */

    .empty-state {
        padding: var(--space-10) var(--space-6);
    }

    .empty-state i {
        font-size: 2.5rem;
        color: var(--matcha-light);
    }

    .empty-state h4 {
        color: var(--matcha-primary);
    }

    /* ========== FOOTER MOBILE ========== */

    .footer {
        padding: var(--space-4) 0;
        font-size: var(--text-xs);
        background: var(--washi-white);
        border-top: 1px dashed var(--washi-shadow);
    }

    /* ========== SAFE AREA (notch phones) ========== */

    @supports (padding: max(0px)) {
        .navbar-collapse {
            padding-left: max(var(--space-4), env(safe-area-inset-left));
            padding-right: max(var(--space-4), env(safe-area-inset-right));
            padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
        }

        .modal-content {
            padding-left: env(safe-area-inset-left);
            padding-right: env(safe-area-inset-right);
        }
    }
}

/* ========== SMALL MOBILE (< 480px) ========== */

@media (max-width: 480px) {

    .kanban-header h1 {
        font-size: var(--text-xl);
    }

    .navbar-brand span {
        font-size: var(--text-base);
    }

    .navbar-logo {
        height: 22px;
    }

    .kanban-card {
        padding: var(--space-3);
    }

    .card-title-minimal {
        font-size: var(--text-sm);
    }

    .task-info-item {
        font-size: 0.65rem;
    }

    .action-btn {
        width: 40px;
        height: 40px;
    }

    .btn {
        font-size: var(--text-sm);
    }

    .card-actions-minimal {
        flex-direction: row !important;
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .card-actions-minimal .btn {
        flex: 0 0 auto !important;
        min-width: 44px;
    }

    .header-buttons {
        flex-direction: column !important;
    }

    .header-buttons .btn,
    .header-buttons .dropdown {
        min-width: 100%;
    }
}

/* ========== LANDSCAPE MOBILE ========== */

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

    .navbar-professional {
        min-height: 48px;
    }

    .navbar-collapse {
        top: 48px;
    }

    .kanban-header {
        padding: var(--space-3);
    }

    .kanban-header h1 {
        font-size: var(--text-xl);
    }

    .kanban-column {
        padding: 0;
    }

    .kanban-card {
        padding: var(--space-3);
        min-height: 100px;
    }
}