:root {
    --bg-deep: #05050a;
    --bg-panel: rgba(13, 13, 20, 0.85);
    --primary: #8b5cf6;
    --primary-glow: rgba(139, 92, 246, 0.5);
    --accent: #06b6d4; /* Cyan */
    --accent-glow: rgba(6, 182, 212, 0.5);
    --text-main: #e2e8f0;
    --text-muted: #64748b;
    --border: rgba(255, 255, 255, 0.1);
    --glass: blur(16px);
    --radius: 12px;
    --success: #10b981;
    --danger: #ef4444;
    --font-head: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; outline: none; -webkit-tap-highlight-color: transparent; }

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: var(--font-head);
    /* Fix for mobile browsers address bar */
    height: 100vh;
    height: 100dvh; 
    overflow: hidden;
}

/* --- Cyber Animations --- */
.cyber-bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: #020205; }

/* Scanlines Effect */
.scanlines {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0) 50%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.2));
    background-size: 100% 4px;
    animation: scanline 10s linear infinite;
    pointer-events: none; z-index: 2; opacity: 0.6;
}
@keyframes scanline { from { transform: translateY(0); } to { transform: translateY(4px); } }

.grid-overlay {
    position: absolute; inset: 0;
    background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px; opacity: 0.08;
    animation: gridMove 20s linear infinite;
}
@keyframes gridMove { 0% { background-position: 0 0; } 100% { background-position: 50px 50px; } }

.orb {
    position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.3;
    animation: float 10s ease-in-out infinite alternate;
}
.orb-1 { width: 400px; height: 400px; background: var(--primary); top: -50px; left: -100px; }
.orb-2 { width: 350px; height: 350px; background: var(--accent); bottom: -50px; right: -100px; animation-delay: -5s; }
@keyframes float { 0% { transform: translate(0,0); } 100% { transform: translate(30px, 30px); } }

/* --- Mobile Header --- */
.mobile-header {
    display: none; /* Hidden on Desktop */
    height: 60px; background: var(--bg-panel); backdrop-filter: var(--glass);
    border-bottom: 1px solid var(--border);
    align-items: center; justify-content: space-between; padding: 0 20px;
    z-index: 50; flex-shrink: 0;
}
.menu-toggle { background: transparent; border: none; color: #fff; font-size: 1.2rem; cursor: pointer; }
.mobile-brand { font-weight: 700; letter-spacing: 2px; font-size: 1.1rem; }
.mobile-brand .highlight { color: var(--accent); }
.mobile-status { width: 10px; height: 10px; border-radius: 50%; background: var(--danger); box-shadow: 0 0 8px var(--danger); transition: 0.3s; }
.mobile-status.online { background: var(--success); box-shadow: 0 0 8px var(--success); }

/* --- Layout --- */
.app-layout { 
    display: flex; 
    width: 100vw; 
    overflow: hidden;
    /* Fix for mobile browsers */
    height: 100vh;
    height: 100dvh;
}

/* --- Sidebar --- */
.sidebar {
    width: 280px; flex-shrink: 0;
    background: var(--bg-panel); backdrop-filter: var(--glass);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column; padding: 20px; gap: 20px;
    z-index: 100; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.close-sidebar { display: none; position: absolute; top: 15px; right: 15px; background: transparent; border: none; color: #fff; font-size: 1.2rem; cursor: pointer; }

.brand { font-size: 1.5rem; font-weight: 700; letter-spacing: 3px; display: flex; align-items: center; gap: 12px; color: #fff; padding-bottom: 20px; border-bottom: 1px solid var(--border); text-shadow: 0 0 10px var(--primary-glow); }
.brand .highlight { color: var(--accent); text-shadow: 0 0 10px var(--accent-glow); }

.status-card { background: rgba(0,0,0,0.4); padding: 12px; border-radius: 8px; border: 1px solid var(--border); box-shadow: inset 0 0 20px rgba(0,0,0,0.5); }
.status-indicator { display: flex; align-items: center; gap: 10px; font-size: 0.8rem; font-weight: 600; font-family: var(--font-mono); }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warning); box-shadow: 0 0 10px var(--warning); animation: pulse 2s infinite; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.5; } 100% { opacity: 1; } }
.pulse-dot.online { background: var(--success); box-shadow: 0 0 10px var(--success); }
.pulse-dot.offline { background: var(--danger); }
.server-info { font-size: 0.65rem; color: var(--text-muted); margin-top: 5px; letter-spacing: 1px; opacity: 0.8; }

.nav-controls { flex: 1; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; }
.nav-group label { display: block; font-size: 0.7rem; color: var(--accent); margin-bottom: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }

.nav-btn {
    width: 100%; padding: 14px; border-radius: 8px; border: 1px solid transparent; cursor: pointer;
    font-family: var(--font-head); font-weight: 600; text-align: left; display: flex; align-items: center; gap: 12px;
    transition: all 0.2s; font-size: 0.9rem; margin-bottom: 8px; position: relative; overflow: hidden;
}
.nav-btn::after { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent); transition: 0.4s; }
.nav-btn:hover::after { left: 100%; }

.nav-btn.primary { background: var(--primary); color: #fff; box-shadow: 0 4px 15px var(--primary-glow); }
.nav-btn.primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--primary-glow); }
.nav-btn.secondary { background: rgba(255,255,255,0.03); color: var(--text-main); border: 1px solid var(--border); }
.nav-btn.secondary:hover { border-color: var(--text-muted); background: rgba(255,255,255,0.08); }
.nav-btn.outline { background: transparent; border: 1px dashed var(--border); color: var(--text-muted); justify-content: center; }
.nav-btn.outline:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }
.nav-btn:disabled { opacity: 0.5; cursor: not-allowed; filter: grayscale(1); }

.identity-display { background: rgba(0,0,0,0.5); padding: 12px; border-radius: 8px; border: 1px solid var(--border); position: relative; }
.identity-display::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); border-radius: 4px 0 0 4px; }
#activeEmail { display: block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); margin-bottom: 10px; word-break: break-all; text-shadow: 0 0 5px var(--accent-glow); }
.id-actions { display: flex; gap: 8px; }
.id-actions button { flex: 1; padding: 8px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); border-radius: 4px; color: #fff; cursor: pointer; transition: 0.2s; }
.id-actions button:hover:not(:disabled) { background: #fff; color: #000; }
.id-actions #delBtn:hover:not(:disabled) { background: var(--danger); border-color: var(--danger); color: #fff; box-shadow: 0 0 10px var(--danger); }

.console-log {
    height: 140px; background: #000; border: 1px solid var(--border); border-radius: 8px; padding: 12px;
    font-family: var(--font-mono); font-size: 0.7rem; color: var(--success); overflow-y: auto; opacity: 0.9;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.8);
}
.log-line { margin-bottom: 5px; border-left: 2px solid transparent; padding-left: 8px; animation: fadeIn 0.3s ease; }
.log-error { color: var(--danger); border-left-color: var(--danger); }
@keyframes fadeIn { from { opacity: 0; transform: translateX(-5px); } to { opacity: 1; transform: translateX(0); } }

/* --- Content Area --- */
.content-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; position: relative; }
.backdrop-overlay {
    position: absolute; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
    z-index: 90; opacity: 0; pointer-events: none; transition: 0.3s;
}

.top-bar {
    height: 60px; border-bottom: 1px solid var(--border); background: var(--bg-panel); backdrop-filter: var(--glass);
    display: flex; align-items: center; padding: 0 20px;
}
.tabs-container { display: flex; gap: 10px; overflow-x: auto; width: 100%; padding-bottom: 5px; }
.tab {
    padding: 8px 16px; background: rgba(255,255,255,0.03); border-radius: 30px;
    font-size: 0.8rem; color: var(--text-muted); cursor: pointer; border: 1px solid transparent;
    display: flex; align-items: center; gap: 8px; white-space: nowrap; transition: 0.3s;
}
.tab:hover { background: rgba(255,255,255,0.08); color: #fff; }
.tab.active { background: var(--accent); color: #000; font-weight: 700; box-shadow: 0 0 15px var(--accent-glow); border-color: var(--accent); }

.workspace { display: flex; flex: 1; overflow: hidden; }

/* Messages List */
.msg-list-panel {
    width: 360px; background: rgba(10, 10, 15, 0.6); border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
}
.panel-head { padding: 15px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; background: rgba(0,0,0,0.2); }
.panel-head h3 { font-size: 0.8rem; font-weight: 700; letter-spacing: 1px; color: var(--text-muted); }
.counter-badge { background: var(--primary); color: #fff; padding: 2px 10px; border-radius: 12px; font-size: 0.7rem; font-weight: bold; box-shadow: 0 0 10px var(--primary-glow); }

.scroll-area { flex: 1; overflow-y: auto; padding: 10px; }
.msg-item {
    background: rgba(255,255,255,0.02); padding: 16px; border-radius: 10px; margin-bottom: 10px;
    cursor: pointer; border: 1px solid transparent; transition: 0.2s; position: relative; overflow: hidden;
    animation: slideUp 0.3s ease-out;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.msg-item:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); transform: translateX(5px); }
.msg-item.unread { background: linear-gradient(90deg, rgba(139, 92, 246, 0.1), transparent); border-left: 3px solid var(--primary); }
.msg-sender { font-weight: 700; font-size: 0.95rem; margin-bottom: 5px; display: block; color: #fff; }
.msg-sub { font-size: 0.85rem; color: var(--text-main); margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; opacity: 0.9; }
.msg-meta { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--text-muted); font-family: var(--font-mono); }

/* Viewer */
.msg-viewer-panel { flex: 1; background: #fff; color: #333; display: flex; flex-direction: column; position: relative; }
.viewer-head {
    height: 60px; background: #f8fafc; border-bottom: 1px solid #e2e8f0;
    display: flex; align-items: center; justify-content: space-between; padding: 0 20px;
}
.viewer-title { font-weight: 700; color: #475569; font-size: 0.9rem; letter-spacing: 1px; }
.action-btn {
    background: var(--primary); color: #fff; padding: 8px 16px; border-radius: 6px; border: none;
    font-size: 0.75rem; font-weight: 700; cursor: pointer; display: flex; align-items: center; gap: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); transition: 0.2s;
}
.action-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 6px 15px rgba(0,0,0,0.15); }
.action-btn:disabled { background: #cbd5e1; cursor: not-allowed; box-shadow: none; }
.icon-btn.mobile-back { display: none; background: transparent; border: none; font-size: 1.2rem; color: #64748b; cursor: pointer; transition: 0.2s; }
.icon-btn.mobile-back:hover { color: var(--primary); transform: translateX(-3px); }

.viewer-body { flex: 1; overflow: hidden; position: relative; }
.placeholder-content {
    height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: #0f172a; color: #475569;
}
.placeholder-content i { font-size: 5rem; margin-bottom: 20px; opacity: 0.3; animation: pulse 3s infinite; }

/* Report PDF & Email Styles */
.email-container { display: flex; flex-direction: column; height: 100%; }
.email-meta { padding: 20px; background: #fff; border-bottom: 1px solid #f1f5f9; }
.meta-row { display: flex; margin-bottom: 5px; font-size: 0.9rem; }
.label { width: 80px; font-weight: 700; color: #64748b; font-size: 0.7rem; text-transform: uppercase; margin-top: 2px; }
.value { color: #1e293b; font-weight: 500; }
.email-frame { border: none; width: 100%; flex: 1; }

.forensic-report { padding: 40px; font-family: sans-serif; border: 2px solid #000; }
.rep-header { border-bottom: 2px solid #000; margin-bottom: 20px; padding-bottom: 10px; }
.rep-meta { width: 100%; margin-bottom: 20px; border-collapse: collapse; }
.rep-meta td { padding: 5px; border: 1px solid #ccc; }

/* --- RESPONSIVE / MOBILE FIXES --- */
@media (max-width: 900px) {
    /* Use dynamic viewport height for mobile layout */
    .app-layout { flex-direction: column; height: calc(100vh - 60px); height: calc(100dvh - 60px); }
    
    .mobile-header { display: flex; } 
    
    .sidebar {
        position: fixed; top: 0; left: 0; width: 80%; max-width: 320px; 
        height: 100vh; height: 100dvh;
        transform: translateX(-100%);
        box-shadow: 10px 0 30px rgba(0,0,0,0.5);
    }
    .sidebar.active { transform: translateX(0); }
    
    .close-sidebar { display: block; }
    
    .sidebar.active ~ .content-area .backdrop-overlay { opacity: 1; pointer-events: auto; }

    .content-area { height: 100%; }
    .msg-list-panel { width: 100%; }
    
    .msg-viewer-panel {
        position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 200;
        transform: translateX(100%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .msg-viewer-panel.active { transform: translateX(0); }
    .icon-btn.mobile-back { display: block; }
}