/* ═══════════════════════════════════════════════════════════════
   PREGAME DASHBOARD — Mobile Optimization & Hamburger Menu
   ═══════════════════════════════════════════════════════════════ */

/* Mobile Header (Hidden on Desktop >= 1024px) */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--mobile-header-height);
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    z-index: 900;
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
}

.mobile-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Animated Hamburger Menu Button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    gap: 5px;
    transition: background 0.2s, border-color 0.2s;
    outline: none;
}

.mobile-menu-btn:hover,
.mobile-menu-btn:focus-visible {
    background: var(--surface-3);
    border-color: var(--accent);
}

.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--text);
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease, background-color 0.2s ease;
}

/* Active Hamburger state -> converts 3 bars to 'X' */
.mobile-menu-btn.is-active {
    background: var(--surface-3);
    border-color: var(--accent);
}

.mobile-menu-btn.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: var(--accent);
}

.mobile-menu-btn.is-active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-btn.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background-color: var(--accent);
}

.mobile-brand-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
    text-decoration: none;
}

.mobile-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Sidebar Backdrop Overlay */
.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 10, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 950;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.sidebar-backdrop.is-active {
    opacity: 1;
    pointer-events: auto;
}

/* ═══════════════════════════════════════════════════════════════
   TABLET & MOBILE BREAKPOINT (< 1024px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1023px) {
    .mobile-header {
        display: flex;
    }

    .sidebar-backdrop {
        display: block;
    }

    /* Off-canvas Sidebar Drawer */
    .app-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        height: 100vh;
        width: 280px;
        z-index: 1000;
        transform: translateX(-100%);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.6);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        border-right: 1px solid var(--border);
    }

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

    /* Adjust Main View for Mobile Sticky Top Header */
    .app-main-view {
        padding-top: calc(var(--mobile-header-height) + 20px);
        padding-left: 20px;
        padding-right: 20px;
        padding-bottom: 60px;
    }

    /* Sidebar collapse toggle button is not needed in drawer mode */
    #sidebar-toggle-btn {
        display: none !important;
    }
}

/* ═══════════════════════════════════════════════════════════════
   PHONES BREAKPOINT (< 768px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
    .app-grid-2x2 {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .dash-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .dash-header > div:last-child {
        width: 100%;
    }

    .dash-header .btn {
        width: 100%;
    }

    .dash-card {
        padding: 16px;
        border-radius: 12px;
    }

    .dash-card-header {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* Touch Ergonomics (Min Target Size 44px) */
    .btn,
    .form-group input,
    .form-group select,
    .form-group button {
        min-height: 44px;
        font-size: 16px; /* Prevents auto-zoom on mobile safari/chrome */
    }

    .outcomes-range-btn {
        min-height: 36px;
        padding: 6px 12px;
    }

    /* Horizontal Scroll Tab Containers */
    .detail-tabs,
    .team-tabs,
    .settings-nav-tabs,
    .brief-nav-tabs,
    .outcomes-range-selector {
        display: flex !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 6px;
        gap: 8px;
        max-width: 100%;
        scrollbar-width: none; /* Firefox */
    }
    .detail-tabs::-webkit-scrollbar,
    .team-tabs::-webkit-scrollbar,
    .settings-nav-tabs::-webkit-scrollbar,
    .brief-nav-tabs::-webkit-scrollbar {
        display: none; /* Chrome/Safari */
    }

    .team-tab,
    .detail-tab,
    .settings-tab-btn {
        flex-shrink: 0;
        font-size: 0.85rem;
        padding: 8px 14px;
    }

    /* Tables & Responsive Scroll Containers */
    .table-responsive,
    .table-wrap,
    .meetings-table-container,
    .reps-table-container,
    .outreach-table-container,
    .api-keys-table-container {
        width: 100%;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        border-radius: 8px;
        margin-top: 12px;
    }

    /* Mobile Card Header Controls */
    .dash-card-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
    }

    .dash-list-controls,
    .dash-card-header > div:last-child {
        width: 100% !important;
        display: flex !important;
        gap: 8px !important;
        align-items: center !important;
        min-width: 0 !important;
    }

    .dash-search-input,
    #list-search-input {
        flex: 1 1 0% !important;
        min-width: 0 !important;
        width: auto !important;
        max-width: none !important;
    }

    .dash-filter-select,
    #list-filter-select {
        flex: 0 0 auto !important;
        width: auto !important;
        max-width: 120px !important;
        min-width: 0 !important;
    }

    /* Connected Providers Grid Responsive */
    .dash-providers-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 8px !important;
        width: 100% !important;
        min-width: 0 !important;
    }

    .dash-provider-badge {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 8px 8px !important;
        min-width: 0 !important;
        gap: 4px !important;
    }

    .dash-provider-name {
        min-width: 0 !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
        font-size: 0.76rem !important;
        gap: 4px !important;
    }

    .dash-provider-status {
        flex-shrink: 0 !important;
        font-size: 0.65rem !important;
    }

    /* Mobile Data List Item Responsive Layout */
    .data-list-item {
        display: grid !important;
        grid-template-columns: auto auto 1fr auto !important;
        grid-template-areas:
            "check icon title delete"
            "meta meta meta meta" !important;
        gap: 8px !important;
        padding: 10px 12px !important;
        align-items: center !important;
        min-width: 0 !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .meeting-checkbox {
        grid-area: check;
        align-self: center;
    }

    .list-item-favicon {
        grid-area: icon;
        width: 32px !important;
        height: 32px !important;
        align-self: center;
    }

    .list-item-content {
        grid-area: title;
        min-width: 0 !important;
        overflow: hidden !important;
    }

    .list-item-title {
        font-size: 0.88rem !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
        display: block !important;
        min-width: 0 !important;
        max-width: 100% !important;
    }

    .list-item-prospect {
        font-weight: 400 !important;
        color: var(--text-muted) !important;
        font-size: 0.8rem !important;
    }

    .list-item-sub {
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
    }

    .list-item-del-btn {
        grid-area: delete;
        align-self: center;
        justify-self: flex-end;
    }

    .list-item-meta {
        grid-area: meta !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
        margin-top: 4px !important;
        padding-top: 6px !important;
        border-top: 1px solid rgba(255, 255, 255, 0.05) !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
    }

    .list-item-date {
        white-space: nowrap !important;
        font-size: 0.76rem !important;
        color: var(--text-muted);
    }

    /* Container safety constraints */
    .app-main-view,
    .app-grid-2x2,
    .dash-card,
    .meetings-list,
    .chart-card {
        min-width: 0 !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Split-Pane Views -> Single Column Vertical Stack */
    .sequences-container,
    .outreach-grid,
    .integration-detail-grid,
    .settings-container,
    .detail-grid,
    .grid-2-col {
        grid-template-columns: 1fr !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
    }

    /* Integrations Panel Grid */
    .integrations-grid,
    .integrations-panel-grid {
        grid-template-columns: 1fr !important;
    }

    /* Floating Bulk Actions Bar Mobile Layout */
    .bulk-actions-bar {
        width: calc(100vw - 32px);
        bottom: 16px;
        padding: 10px 14px;
        gap: 8px;
        justify-content: space-between;
        font-size: 0.8rem;
    }

    .bulk-actions-bar .btn {
        min-height: 36px;
        padding: 4px 10px;
        font-size: 0.75rem;
    }

    /* Responsive Modals & Bottom Sheets */
    .modal-overlay {
        padding: 12px;
        align-items: flex-end;
    }

    .modal-card {
        border-radius: 20px 20px 0 0;
        max-height: 85vh;
        width: 100% !important;
        padding: 20px 16px !important;
        overflow-y: auto;
    }

    /* Auth Screens */
    .auth-card {
        padding: 32px 20px;
        max-width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════════
   ULTRA SMALL SCREENS (< 480px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 479px) {
    .app-main-view {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }

    .dash-card {
        padding: 12px !important;
    }

    .mobile-header {
        padding: 0 10px !important;
    }

    .dash-card-title {
        font-size: 0.86rem !important;
    }

    .dash-filter-select,
    #list-filter-select {
        max-width: 105px !important;
        font-size: 0.75rem !important;
        padding: 6px 6px !important;
    }

    .dash-search-input,
    #list-search-input {
        font-size: 0.78rem !important;
        padding: 6px 8px !important;
    }

    .dash-providers-grid {
        gap: 6px !important;
    }

    .dash-provider-badge {
        padding: 6px 6px !important;
    }

    .dash-provider-name {
        font-size: 0.72rem !important;
    }

    .dash-provider-status {
        font-size: 0.62rem !important;
    }

    .list-item-prospect {
        display: none !important;
    }

    .chart-wrapper {
        height: 160px;
    }

    .popover-card {
        left: 8px;
        right: 8px;
        width: auto;
    }

    #login-code-input {
        letter-spacing: 3px !important;
        font-size: 1.2rem !important;
    }

    .wizard-card {
        padding: 20px 14px !important;
    }
    
    .wizard-row {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }
}