/**
 * RESPONSIVE CSS - ProductiveApp v5.0
 * Complete mobile-first responsive design
 * Breakpoints: 768px (tablet), 480px (mobile)
 */

/* ===== MOBILE BOTTOM NAV ===== */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--surface, #1e1e2e);
    border-top: 1px solid var(--border, #333);
    z-index: 9999;
    padding: 0 4px env(safe-area-inset-bottom, 0);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.mobile-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 6px 12px;
    background: none;
    border: none;
    color: var(--text-secondary, #888);
    font-size: 10px;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
    min-width: 56px;
}

.mobile-nav-item svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    transition: all 0.2s;
}

.mobile-nav-item.active {
    color: var(--accent, #8b5cf6);
}

.mobile-nav-item.active svg {
    stroke-width: 2.2;
}

.mobile-nav-item:active {
    transform: scale(0.9);
}

.mobile-nav-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent, #8b5cf6);
    opacity: 0;
    transition: opacity 0.2s;
}

.mobile-nav-item.active .mobile-nav-dot {
    opacity: 1;
}

/* ===== TABLET (< 1024px) ===== */
@media (max-width: 1024px) {
    .tasks-view.columns-view {
        gap: 12px;
    }

    .task-column {
        min-width: 260px;
    }

    .skeleton-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== TABLET PORTRAIT (< 768px) ===== */
@media (max-width: 768px) {
    /* Sidebar: hidden by default, overlay on toggle */
    #app-sidebar {
        transform: translateX(-100%);
        position: fixed !important;
        z-index: 10000;
        width: 280px !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    #app-sidebar.mobile-open {
        transform: translateX(0);
    }

    .sidebar-mobile-overlay.active {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 9999;
    }

    .sidebar-mobile-toggle {
        display: flex !important;
    }

    /* Main content: full width */
    .main-content {
        margin-left: 0 !important;
        padding-bottom: 72px; /* Space for bottom nav */
        width: 100% !important;
    }

    /* Show mobile bottom nav */
    .mobile-bottom-nav {
        display: block;
    }

    /* App header: compact */
    .app-header {
        padding: 8px 12px;
        flex-wrap: nowrap;
    }

    .app-title {
        font-size: 16px;
    }

    .user-badge .user-name {
        display: none;
    }

    /* Project filter: horizontal scroll */
    .projects-nav {
        padding: 0 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex-wrap: nowrap;
    }

    .projects-nav::-webkit-scrollbar {
        display: none;
    }

    .project-chip {
        white-space: nowrap;
        flex-shrink: 0;
        font-size: 12px;
        padding: 5px 10px;
    }

    /* User filter bar: compact */
    .user-filter-bar {
        padding: 4px 8px;
        gap: 6px;
        flex-wrap: wrap;
    }

    .user-filter-bar label {
        display: none;
    }

    /* Task input: stack vertically */
    .task-input-section {
        flex-direction: column;
        gap: 8px;
        padding: 8px 12px;
    }

    .task-input-section input[type="text"] {
        width: 100%;
    }

    .task-input-section select {
        width: 100%;
    }

    .task-input-section .btn-primary {
        width: 100%;
        padding: 12px;
    }

    /* Tasks: single column */
    .tasks-view.columns-view {
        flex-direction: column;
        gap: 16px;
        padding: 0 8px;
    }

    .task-column {
        min-width: 100%;
    }

    /* Journal section: compact */
    .journal-input-row {
        flex-direction: column;
        gap: 6px;
    }

    .journal-input-row input,
    .journal-input-row select,
    .journal-input-row button {
        width: 100%;
    }

    /* Notes: full width */
    .notes-container {
        flex-direction: column;
    }

    .notes-sidebar {
        width: 100% !important;
        max-height: 200px;
        overflow-y: auto;
    }

    .notes-editor {
        width: 100% !important;
    }

    /* Accounting: responsive */
    .acc-wrapper {
        padding: 8px;
    }

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

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

    /* Galaxy: hide toolbar extras */
    .galaxy-toolbar-sep,
    #galaxy-toggle-orbits,
    #galaxy-toggle-autorotate {
        display: none;
    }

    /* Reports: single column */
    .reports-grid {
        grid-template-columns: 1fr !important;
    }

    /* Settings: full width sections */
    .settings-grid {
        grid-template-columns: 1fr !important;
    }

    /* Messaging: full width */
    .messaging-container {
        flex-direction: column;
    }

    .messaging-sidebar {
        width: 100% !important;
        max-height: 250px;
    }

    .messaging-main {
        width: 100% !important;
    }

    /* Breadcrumb: smaller */
    .breadcrumb-bar {
        padding: 4px 12px 0;
    }

    .breadcrumb {
        font-size: 11px;
    }

    /* Quick Add: full width */
    .quick-add-modal {
        width: 95vw !important;
        max-width: 95vw !important;
        bottom: 72px !important; /* Above bottom nav */
    }

    /* Command Palette: full width */
    .command-palette-modal,
    .global-search-modal {
        width: 95vw !important;
        max-width: 95vw !important;
        margin-top: 20px !important;
    }

    /* Pomodoro: smaller */
    .pomodoro-widget {
        bottom: 76px !important; /* Above bottom nav */
    }

    /* Psycho-audit: responsive */
    .questionnaire,
    .results {
        padding: 12px;
    }

    .axis-group {
        margin-bottom: 16px;
    }

    /* Analytics: single column */
    .analytics-grid {
        grid-template-columns: 1fr !important;
    }

    /* Calendar: compact */
    .calendar-grid {
        font-size: 12px;
    }

    .calendar-day {
        min-height: 60px;
        padding: 2px;
    }

    /* Gamification: responsive */
    .gamification-grid {
        grid-template-columns: 1fr !important;
    }

    /* Theme modal: full screen */
    .theme-modal {
        width: 95vw !important;
        max-height: 85vh !important;
    }

    /* Toast: full width */
    .toast-container {
        right: 8px !important;
        left: 8px !important;
        top: 8px !important;
    }

    .toast {
        width: 100% !important;
    }
}

/* ===== MOBILE SMALL (< 480px) ===== */
@media (max-width: 480px) {
    .app-header {
        padding: 6px 8px;
    }

    .app-title {
        font-size: 14px;
    }

    .header-right .menu-container {
        margin-left: 4px;
    }

    .galaxy-icon-container {
        display: none;
    }

    .project-chip {
        font-size: 11px;
        padding: 4px 8px;
    }

    .chip-count {
        display: none;
    }

    .task-item {
        padding: 10px;
    }

    .task-item .task-title {
        font-size: 13px;
    }

    .empty-state-title {
        font-size: 16px;
    }

    .empty-state-subtitle {
        font-size: 12px;
    }

    /* Score badge in psycho-audit */
    .score-badge {
        width: 100px;
        height: 100px;
    }

    .score-value {
        font-size: 32px;
    }

    /* Compact cards */
    .dashboard-card,
    .analytics-card,
    .report-card {
        padding: 12px;
    }

    /* Breadcrumb: hide on very small */
    .breadcrumb-bar {
        display: none;
    }
}

/* ===== LANDSCAPE PHONE ===== */
@media (max-height: 500px) and (orientation: landscape) {
    .mobile-bottom-nav {
        height: 48px;
    }

    .mobile-nav-item {
        font-size: 9px;
    }

    .mobile-nav-item svg {
        width: 18px;
        height: 18px;
    }

    .main-content {
        padding-bottom: 56px;
    }
}

/* ===== SAFE AREA (notched phones) ===== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .mobile-bottom-nav {
        padding-bottom: env(safe-area-inset-bottom);
        height: calc(64px + env(safe-area-inset-bottom));
    }

    @media (max-width: 768px) {
        .main-content {
            padding-bottom: calc(72px + env(safe-area-inset-bottom));
        }
    }
}

/* ===== TOUCH IMPROVEMENTS ===== */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn, button, .project-chip, .menu-item {
        min-height: 44px;
    }

    /* Remove hover effects on touch */
    .task-item:hover,
    .note-item:hover,
    .project-card:hover {
        transform: none;
    }

    /* Smooth scrolling */
    .view-container,
    .task-list,
    .notes-list {
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }

    /* Disable text selection on interactive elements */
    .mobile-nav-item,
    .sidebar-item,
    .project-chip {
        -webkit-user-select: none;
        user-select: none;
    }
}

/* ===== PRINT ===== */
@media print {
    #app-sidebar,
    .mobile-bottom-nav,
    .sidebar-mobile-toggle,
    .animation-fab,
    .pomodoro-widget,
    .toast-container,
    .chatbot-toggle {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
    }

    .view-container {
        break-inside: avoid;
    }
}