/* ============================================
   VoiceBoard — Responsive Framework (iOS-first)
   Comprehensive breakpoints with iOS safe areas
   ============================================ */

/* ══════════════════════════════════════════
   BREAKPOINT SYSTEM:
   xs:  < 375px   (iPhone SE)
   sm:  375-639px (iPhone standard)
   md:  640-767px (iPhone Plus/Pro Max)
   lg:  768-1023px (iPad Mini/iPad)
   xl:  1024-1365px (iPad Pro/laptop)
   2xl: 1366+     (Desktop/large monitors)
   ══════════════════════════════════════════ */

/* ── XS: iPhone SE & small devices (<375px) ── */
@media (max-width: 374px) {
    :root {
        --font-size-base: 14px;
        --font-size-lg: 16px;
        --font-size-xl: 18px;
        --font-size-2xl: 22px;
        --font-size-3xl: 26px;
        --spacing-lg: 16px;
        --spacing-xl: 20px;
    }

    .page-header h1 {
        font-size: 22px !important;
    }

    .page-header h1::after {
        width: 5px;
        height: 5px;
    }

    .kpi-grid {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }

    .kpi-card {
        min-height: 100px !important;
        padding: 14px 16px !important;
    }

    .kpi-card .kpi-value {
        font-size: 24px !important;
    }

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

    .table th, .table td {
        padding: 8px 10px !important;
        font-size: 11px !important;
    }

    .btn {
        padding: 8px 14px !important;
        font-size: 12px !important;
    }

    .modal {
        width: 95% !important;
        max-width: none !important;
        padding: var(--spacing-md) !important;
        border-radius: var(--radius-lg) !important;
    }
}

/* Prevent horizontal body overflow globally */
html, body, .app-layout, .main-content, .content-body {
    max-width: 100vw !important;
    overflow-x: hidden;
    box-sizing: border-box;
}

/* ── SM: Standard iPhone (375-639px) ── */
@media (max-width: 639px) {
    .main-content {
        padding: 12px 12px !important;
        padding-top: calc(12px + 56px) !important;
        max-width: 100vw !important;
        box-sizing: border-box !important;
    }

    .navbar {
        padding: 0 10px !important;
        left: 0 !important;
        right: 0 !important;
        max-width: 100vw !important;
        box-sizing: border-box !important;
    }

    .navbar-left {
        gap: 6px !important;
        max-width: 60% !important;
    }

    .navbar-right {
        gap: 6px !important;
    }

    .org-dropdown-container button {
        min-width: auto !important;
        max-width: 160px !important;
        padding: 4px 10px !important;
        font-size: 12px !important;
    }

    .org-dropdown-container button span {
        max-width: 100px !important;
    }

    .navbar-username {
        display: none !important;
    }

    .navbar-user {
        padding: 2px !important;
        background: transparent !important;
    }

    .page-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px;
        max-width: 100% !important;
    }

    .page-header h1 {
        font-size: 24px;
    }

    /* Time filters scroll horizontally */
    .time-filters {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 6px !important;
        padding-bottom: 4px;
        width: 100%;
    }

    .time-filters::-webkit-scrollbar {
        display: none;
    }

    .time-filters .btn {
        flex-shrink: 0;
        padding: 6px 12px !important;
        font-size: 12px !important;
    }

    .kpi-grid {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }

    .chart-grid {
        grid-template-columns: 1fr !important;
        gap: 12px;
    }

    .chart-container {
        padding: 14px !important;
    }

    .table-toolbar {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
        padding: 12px !important;
    }

    .table-search {
        max-width: none !important;
    }

    .table th, .table td {
        padding: 10px 12px !important;
        font-size: 12px !important;
    }

    .card {
        padding: var(--spacing-md) !important;
        border-radius: var(--radius-md) !important;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .modal {
        width: 94% !important;
        max-height: 85vh !important;
        padding: var(--spacing-lg) !important;
    }

    .modal-footer {
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
    }

    .app-footer {
        flex-direction: column !important;
        gap: 8px !important;
        text-align: center !important;
        font-size: 12px !important;
        padding: var(--spacing-md) !important;
    }

    .pagination {
        flex-direction: column;
        gap: 10px;
        padding: 12px !important;
    }

    .pagination-controls {
        justify-content: center;
        flex-wrap: wrap;
    }

    /* iOS Segmented Control - full width on mobile */
    .ios-segmented-control {
        width: 100%;
        display: flex;
    }

    .segment-btn {
        flex: 1;
        text-align: center;
        padding: 8px 10px !important;
        font-size: 12px !important;
    }

    /* Knowledge Base responsive */
    .kb-upload-row {
        flex-direction: column !important;
    }

    .kb-upload-row .form-group {
        min-width: 100% !important;
    }

    .kb-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    /* Call Details */
    .cd-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-md) !important;
    }

    .cd-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .cd-vars-grid {
        grid-template-columns: 1fr !important;
    }

    .cd-eval-grid {
        grid-template-columns: 1fr !important;
    }

    .cd-msg {
        max-width: 90% !important;
    }

    /* Admin info rows */
    .ad-info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .ad-info-label {
        width: auto !important;
    }

    /* Toast full width on mobile */
    .toast-container {
        right: 12px !important;
        left: 12px !important;
    }

    .toast {
        min-width: auto !important;
        width: 100%;
    }

    /* Quick filters stack */
    .quick-filters-wrapper {
        flex-direction: column !important;
        width: 100%;
    }
}

/* ── MD: iPhone Plus / Pro Max (640-767px) ── */
@media (min-width: 640px) and (max-width: 767px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

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

/* ── LG: iPad / Tablet (768-1023px) ── */
@media (min-width: 768px) and (max-width: 1023px) {
    .main-content {
        margin-left: 0 !important;
        padding: 20px !important;
        padding-top: calc(20px + 60px) !important;
    }

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

    .chart-grid {
        grid-template-columns: 1fr;
    }

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

/* ── Sidebar responsive (≤1024px) ── */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width) !important;
        box-shadow: var(--shadow-float);
    }

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

    .navbar {
        left: 0 !important;
    }

    .main-content {
        margin-left: 0 !important;
        width: 100%;
    }

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

    .mobile-menu-btn {
        display: inline-flex !important;
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 150;
        animation: fadeIn 0.2s ease;
    }
}

/* ── XL: Laptop / iPad Pro (1024-1365px) ── */
@media (min-width: 1024px) and (max-width: 1365px) {
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .chart-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* ── 2XL: Large Desktop (1366px+) ── */
@media (min-width: 1366px) {
    .main-content {
        max-width: none;
    }

    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .chart-grid {
        grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    }
}

/* ── Desktop hidden elements ── */
@media (min-width: 1025px) {
    .mobile-menu-btn {
        display: none !important;
    }

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

/* ── Mobile only ── */
@media (max-width: 1024px) {
    .desktop-only {
        display: none !important;
    }
}

/* ── Landscape orientation on phone ── */
@media (max-height: 500px) and (orientation: landscape) {
    .main-content {
        padding-top: calc(8px + 48px) !important;
    }

    .navbar {
        height: 48px !important;
    }

    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)) !important;
    }

    .kpi-card {
        min-height: 80px !important;
        padding: 10px 14px !important;
    }

    .kpi-card .kpi-value {
        font-size: 22px !important;
    }
}

/* ── iOS Safe Area Insets ── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .main-content {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }

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

    .app-footer {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }

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

/* ── Print Styles ── */
@media print {
    .sidebar, .navbar, .app-footer, .ai-chat-panel,
    .mobile-menu-btn, .theme-toggle, .btn-ghost {
        display: none !important;
    }

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

    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        break-inside: avoid;
    }

    body {
        background: white !important;
        color: black !important;
    }
}