/* Birchwood Master Engine v35.0 - Responsive Multi-Device & Dual-Theme Stylesheet */
* {
    box-sizing: border-box;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior-y: none;
}

.pb-safe {
    padding-bottom: env(safe-area-inset-bottom, 1rem);
}

/* ==========================================
   THEME VARIABLES: LIGHT (Daylight Blueprint) vs DARK (Basement/Attic)
   ========================================== */
:root,
html[data-theme="light"] {
    --brand-900: #0f172a;
    --brand-700: #0284c7;
    --brand-500: #0ea5e9;
    --bg-base: #f1f5f9;
    --bg-card: #ffffff;
    --bg-inset: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #475569;
    --border-color: #cbd5e1;
    --pass-color: #10b981;
    --fail-color: #ef4444;
    --warn-color: #f59e0b;
}

html[data-theme="dark"] {
    --brand-900: #0f172a;
    --brand-700: #1e293b;
    --brand-500: #38bdf8;
    --bg-base: #0b1120;
    --bg-card: #1e293b;
    --bg-inset: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --pass-color: #10b981;
    --fail-color: #ef4444;
    --warn-color: #f59e0b;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* View Transitions */
.view {
    display: none;
    animation: fadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.view.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Core Component Styles */
.wall-layer {
    background: var(--bg-inset);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 12px;
    transition: all 0.2s;
}

.result-box {
    background-color: var(--bg-inset);
    padding: 18px;
    border-radius: 16px;
    margin-top: 14px;
    border-left: 4px solid var(--brand-500);
    border: 1px solid var(--border-color);
    border-left-width: 4px;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
    font-size: 0.92rem;
    color: var(--text-main);
    padding: 8px;
    border-radius: 8px;
    transition: background 0.15s;
}
.checklist-item input[type="checkbox"] {
    margin-top: 4px;
    margin-right: 12px;
    transform: scale(1.25);
    flex-shrink: 0;
    accent-color: #0ea5e9;
}

.ref-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    margin-top: 10px;
    margin-bottom: 15px;
}
.ref-table th, .ref-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.ref-table th {
    background-color: var(--bg-inset);
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
}
.ref-table tr:last-child td {
    border-bottom: none;
}

.accordion, .sub-accordion {
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--bg-card);
    color: var(--text-main);
    padding: 14px 16px;
    font-weight: 700;
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    transition: all 0.2s;
}
.accordion.active, .sub-accordion.active {
    background-color: var(--bg-inset);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: none;
}
.accordion:after, .sub-accordion:after {
    content: '\002B';
    color: #0ea5e9;
    font-weight: bold;
    font-size: 1.2rem;
}
.accordion.active:after, .sub-accordion.active:after {
    content: '\2212';
}
.panel, .sub-panel {
    display: none;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 12px 12px;
    margin-bottom: 12px;
    background: var(--bg-inset);
}

.input-glass {
    background: var(--bg-inset);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 11px 13px;
    font-size: 0.95rem;
    width: 100%;
    transition: all 0.2s;
    outline: none;
}
.input-glass:focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.label-glass {
    display: block;
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 5px;
}

.ai-chat-box {
    height: 360px;
    overflow-y: auto;
    background: var(--bg-inset);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 16px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.msg {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    max-width: 85%;
    line-height: 1.5;
}
.msg.user {
    align-self: flex-end;
    background: linear-gradient(135deg, #0284c7, #0369a1);
    color: white;
    border-bottom-right-radius: 4px;
}
.msg.bot {
    align-self: flex-start;
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}

/* Dark Theme Scoped Overrides */
html[data-theme="dark"] .bg-white {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}
html[data-theme="dark"] .bg-slate-50,
html[data-theme="dark"] .bg-slate-100 {
    background-color: var(--bg-inset) !important;
    border-color: var(--border-color) !important;
}
html[data-theme="dark"] .text-slate-800,
html[data-theme="dark"] .text-slate-700,
html[data-theme="dark"] .text-slate-900 {
    color: var(--text-main) !important;
}
html[data-theme="dark"] .text-slate-600,
html[data-theme="dark"] .text-slate-500,
html[data-theme="dark"] .text-slate-400 {
    color: var(--text-muted) !important;
}
html[data-theme="dark"] .border-slate-200,
html[data-theme="dark"] .border-slate-100,
html[data-theme="dark"] .border-slate-300 {
    border-color: var(--border-color) !important;
}
html[data-theme="dark"] #bottomNav {
    background-color: rgba(15, 23, 42, 0.95) !important;
    border-top-color: var(--border-color) !important;
}
html[data-theme="dark"] .bg-blue-50 { background-color: rgba(59, 130, 246, 0.12) !important; border-color: rgba(59, 130, 246, 0.25) !important; }
html[data-theme="dark"] .bg-emerald-50 { background-color: rgba(16, 185, 129, 0.12) !important; border-color: rgba(16, 185, 129, 0.25) !important; }
html[data-theme="dark"] .bg-amber-50 { background-color: rgba(245, 158, 11, 0.12) !important; border-color: rgba(245, 158, 11, 0.25) !important; }
html[data-theme="dark"] .bg-orange-50 { background-color: rgba(249, 115, 22, 0.12) !important; border-color: rgba(249, 115, 22, 0.25) !important; }
html[data-theme="dark"] .bg-cyan-50 { background-color: rgba(6, 182, 212, 0.12) !important; border-color: rgba(6, 182, 212, 0.25) !important; }
html[data-theme="dark"] .bg-rose-50 { background-color: rgba(244, 63, 94, 0.12) !important; border-color: rgba(244, 63, 94, 0.25) !important; }
html[data-theme="dark"] .bg-red-50 { background-color: rgba(239, 68, 68, 0.12) !important; border-color: rgba(239, 68, 68, 0.25) !important; }
html[data-theme="dark"] .bg-yellow-50 { background-color: rgba(234, 179, 8, 0.12) !important; border-color: rgba(234, 179, 8, 0.25) !important; }

/* Print Overrides: Always Clean White Deliverable */
@media print {
    body, html {
        background: #ffffff !important;
        color: #0f172a !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    #desktopSidebar, #bottomNav, #pttMicBtn, #voiceToast, .no-print, .header {
        display: none !important;
    }
    #appShellLayout, #mainContainer {
        max-width: 100% !important;
        display: block !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    #reportView {
        display: block !important;
        background: #ffffff !important;
        color: #0f172a !important;
        border: none !important;
        box-shadow: none !important;
        padding: 16px !important;
    }
    .page-break-inside-avoid {
        page-break-inside: avoid;
    }
}