/* ============================================
   FreyAI Visions - Responsive Overrides

   Consolidated mobile/tablet fixes for 375px target.
   Loaded AFTER all other stylesheets.
   Does NOT change brand colors, typography family, or dark theme.
   ============================================ */

/* ============================================
   Global: Prevent horizontal overflow
   ============================================ */

img,
video,
canvas,
svg {
    max-width: 100%;
    height: auto;
}

pre,
code {
    max-width: 100%;
    overflow-x: auto;
    word-break: break-word;
}

/* Ensure all tables are scrollable by default */
.table-wrapper,
.po-detail-table-wrapper,
.report-output {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ============================================
   Mobile: max-width 768px
   ============================================ */

@media (max-width: 768px) {

    /* --- iOS zoom prevention: inputs < 16px trigger auto-zoom --- */
    input,
    select,
    textarea {
        font-size: 16px;
    }

    /* --- Mobile menu toggle: proper touch target --- */
    .mobile-menu-toggle {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px;
        border-radius: var(--border-radius-sm, 4px);
    }

    .mobile-menu-toggle:active {
        background: var(--bg-hover, #252830);
    }

    /* --- Buttons: enforce 44px min-height on mobile --- */
    .btn {
        min-height: 44px;
        padding: 10px 16px;
    }

    .btn-small,
    .btn-sm {
        min-height: 36px;
        padding: 6px 14px;
        font-size: 13px;
    }

    /* --- Form actions: stack on small screens, full-width --- */
    .form-actions {
        flex-direction: column-reverse;
        gap: 8px;
    }

    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* --- Notification bell: proper touch target --- */
    .notification-bell {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* --- Sidebar overlay backdrop fix --- */
    .sidebar.active + .main-content::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 90;
    }

    /* --- Mobile header: ensure fixed positioning --- */
    .mobile-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 110;
    }

    /* --- Kanban board: 1 column on mobile --- */
    .kanban-board {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .kanban-column {
        min-height: auto;
    }

    /* --- Calendar: stack days vertically --- */
    .calendar-week {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .calendar-day {
        min-height: auto;
        padding: 12px;
    }

    /* --- Stats rows: wrap on mobile --- */
    .task-stats,
    .customer-stats,
    .email-stats,
    .document-stats,
    .time-stats,
    .material-stats,
    .customer-stats-inline {
        flex-wrap: wrap;
        gap: 12px;
    }

    .stat-mini {
        min-width: 0;
        flex: 1 1 calc(50% - 8px);
        padding: 12px;
    }

    /* --- Report cards: grid for mobile --- */
    .report-types {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .report-card {
        min-width: 0;
        padding: 16px 12px;
    }

    .report-icon {
        font-size: 24px;
    }

    .report-name {
        font-size: 12px;
    }

    .report-filters .form-row {
        flex-direction: column;
        align-items: stretch;
    }

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

    /* --- Rechnung preview: reduce padding on mobile --- */
    .rechnung-preview {
        padding: 16px;
        margin: 8px;
        font-size: 13px;
    }

    .rechnung-preview table {
        /* Reset the card-based table layout for invoice tables */
        font-size: 12px;
    }

    /* --- Angebot detail: mobile adjustments --- */
    .angebot-summary {
        align-items: stretch;
    }

    .angebot-summary .summary-row {
        min-width: 0;
        gap: 12px;
    }

    .angebot-bom-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .angebot-comm-item {
        flex-direction: column;
        gap: 6px;
    }

    /* --- Preset row: stack on mobile --- */
    .preset-row {
        flex-direction: column;
    }

    .preset-select {
        min-width: 0;
        width: 100%;
    }

    /* --- Position actions: full-width buttons --- */
    .position-actions {
        flex-direction: column;
    }

    .position-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* --- Action row: wrap on mobile --- */
    .action-row {
        flex-wrap: wrap;
    }

    .action-row .btn {
        flex: 1 1 auto;
        min-width: 0;
    }

    /* --- Header actions: stack on mobile --- */
    .header-actions {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* --- Workflow stats grid: 2 columns --- */
    .workflow-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card-mini {
        padding: 14px;
        gap: 10px;
    }

    .stat-icon-mini {
        font-size: 22px;
    }

    .stat-value-mini {
        font-size: 20px;
    }

    /* --- Datatype selection (Excel import): 1 column --- */
    .datatype-selection {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .datatype-card {
        padding: 20px 16px;
    }

    /* --- Wizard progress: compact for mobile --- */
    .wizard-progress {
        padding: 0 8px;
        gap: 4px;
    }

    .wizard-step {
        font-size: 11px;
    }

    /* --- Automation stats grid --- */
    .automation-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* --- Doc chain: scroll horizontally if needed --- */
    .angebot-doc-chain {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding: 10px 12px;
    }

    /* --- Offline banner: smaller on mobile --- */
    .offline-banner {
        font-size: 12px;
        padding: 8px 12px;
    }

    /* --- Notification panel: full-width on mobile --- */
    .notification-panel {
        left: 8px;
        right: 8px;
        max-width: none;
    }

    /* --- Search input: full width --- */
    .auftrag-search-input {
        width: 100%;
        margin-left: 0;
    }

    /* --- Modal close button: larger touch target --- */
    .modal-close {
        min-width: 44px;
        min-height: 44px;
    }

    /* --- Filter tabs: scrollable, no wrap --- */
    .filter-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .filter-tabs::-webkit-scrollbar {
        display: none;
    }

    .filter-tab,
    .filter-tabs .btn,
    .filter-tabs button {
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* --- Tables inside modals: scrollable --- */
    .modal-content table,
    .modal-body table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* --- View header: stack elements --- */
    .view-header-row {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
}

/* ============================================
   Small Mobile: max-width 480px
   ============================================ */

@media (max-width: 480px) {

    /* --- Kanban task meta: stack --- */
    .kanban-task-meta {
        flex-direction: column;
        gap: 4px;
    }

    /* --- Stats: single column --- */
    .stat-mini {
        flex: 1 1 100%;
    }

    .report-types {
        grid-template-columns: 1fr;
    }

    .report-summary {
        grid-template-columns: 1fr;
    }

    .workflow-stats-grid {
        grid-template-columns: 1fr;
    }

    /* --- Rechnung preview: tighter --- */
    .rechnung-preview {
        padding: 12px;
        margin: 4px;
        font-size: 12px;
    }

    /* --- Calendar day: compact --- */
    .calendar-day {
        padding: 8px;
    }

    .calendar-day-name {
        font-size: 12px;
    }

    /* --- Customer stats inline: stack --- */
    .customer-stats-inline {
        flex-direction: column;
        gap: 6px;
    }

    /* --- Angebot BOM table: card layout --- */
    .angebot-bom-table thead {
        display: none;
    }

    .angebot-bom-table tbody tr {
        display: block;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        margin-bottom: 8px;
        padding: 10px;
        background: var(--bg-dark);
    }

    .angebot-bom-table tbody td {
        display: block;
        text-align: left;
        padding: 4px 0;
        border: none;
    }

    .angebot-bom-table tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-muted);
        display: inline-block;
        width: 40%;
    }

    /* --- Doc chain: smaller items --- */
    .doc-chain-item {
        padding: 4px 8px;
        font-size: 11px;
    }

    .doc-chain-arrow {
        font-size: 12px;
    }
}

/* ============================================
   Tablet: 641px to 1024px
   ============================================ */

@media (min-width: 641px) and (max-width: 1024px) {

    /* --- Kanban board: 2 columns on tablet --- */
    .kanban-board {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    /* --- Calendar: 3-4 columns on tablet landscape --- */
    .calendar-week {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .calendar-day {
        min-height: 150px;
        padding: 12px;
    }

    /* --- Report types: 3 across --- */
    .report-types {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .report-card {
        min-width: 0;
    }
}

/* ============================================
   Touch target safety net
   Ensure interactive elements meet 44px minimum
   ============================================ */

@media (pointer: coarse) {
    button,
    [role="button"],
    a.btn,
    .nav-item,
    .filter-tab,
    .we-tab,
    .kanban-task,
    select,
    .doc-chain-item,
    .report-card,
    .datatype-card {
        min-height: 44px;
    }

    /* Checkboxes and radio buttons: larger hit area */
    input[type="checkbox"],
    input[type="radio"] {
        min-width: 24px;
        min-height: 24px;
    }

    /* Ensure links in lists/cards are tappable */
    .item-card,
    .customer-card,
    .anfrage-card {
        min-height: 44px;
    }
}

/* ============================================
   Safe area insets (notched devices)
   ============================================ */

@supports (padding: env(safe-area-inset-bottom)) {
    @media (max-width: 768px) {
        .main-content {
            padding-bottom: calc(20px + env(safe-area-inset-bottom));
        }

        .mobile-header {
            padding-top: env(safe-area-inset-top);
        }

        .sidebar {
            padding-bottom: env(safe-area-inset-bottom);
        }

        .modal-content {
            padding-bottom: calc(20px + env(safe-area-inset-bottom));
        }
    }
}