:root {
    --bg-deep: #020617;
    --sidebar-bg: #0f172a;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --text-pure: #f8fafc;
    --text-dim: #94a3b8;
}

* { 
    box-sizing: border-box; 
    transition: all 0.25s ease; 
}

body {
    margin: 0;
    background: var(--bg-deep);
    color: var(--text-pure);
    font-family: 'Plus Jakarta Sans', sans-serif;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* --- Background Effects --- */
.background-blobs { position: fixed; width: 100%; height: 100%; z-index: -1; }
.blob { position: absolute; width: 500px; height: 500px; background: var(--accent); filter: blur(120px); opacity: 0.1; border-radius: 50%; }
.blob-1 { top: -200px; left: -100px; }
.blob-2 { bottom: -200px; right: -100px; }

/* --- Dashboard Layout --- */
.dashboard { display: flex; width: 100%; }

.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.logo-area h2 { 
    font-weight: 800; 
    letter-spacing: -1px; 
    margin: 0;
}

.logo-area span { color: var(--accent); }

/* --- Sidebar Navigation Links --- */
.tool-nav { 
    margin-top: 40px; 
    flex-grow: 1; 
}

.nav-item {
    display: block; /* Important for <a> tags */
    width: 100%;
    text-decoration: none; /* Remove underline */
    color: var(--text-dim);
    padding: 14px 18px;
    font-weight: 600;
    border-radius: 12px;
    margin-bottom: 8px;
}

.nav-item.active, .nav-item:hover {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
}

.badge {
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
    text-align: center;
}

/* --- Main Workspace --- */
.workspace { 
    flex-grow: 1; 
    padding: 60px; 
    max-width: 1100px;
    margin: 0 auto;
}

.workspace-header { margin-bottom: 40px; }
.workspace-header h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 10px; }
.workspace-header p { color: var(--text-dim); font-size: 1.1rem; }

/* --- Glass Card & Input --- */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

textarea {
    width: 100%;
    height: 280px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: white;
    padding: 25px;
    font-size: 1.15rem;
    resize: none;
    outline: none;
    font-family: inherit;
}

textarea:focus { 
    border-color: var(--accent); 
    box-shadow: 0 0 20px var(--accent-glow); 
}

/* --- Buttons & Actions --- */
.tool-actions { 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    margin-top: 25px; 
}

.btn-primary { 
    background: var(--accent); 
    color: #000; 
    border: none; 
    padding: 14px 32px; 
    border-radius: 12px; 
    font-weight: 800; 
    cursor: pointer; 
}

.btn-primary:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 10px 20px var(--accent-glow); 
}

.btn-secondary { 
    background: transparent; 
    border: 1px solid var(--border); 
    color: white; 
    padding: 14px 28px; 
    border-radius: 12px; 
    cursor: pointer; 
}

.btn-secondary:hover { background: rgba(255,255,255,0.05); }

/* --- Metrics Grid --- */
.metrics-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); 
    gap: 20px; 
    margin-top: 40px; 
}

.metric-item { 
    text-align: center; 
    padding: 25px 20px; 
    background: rgba(255,255,255,0.02); 
    border-radius: 20px; 
    border: 1px solid var(--border); 
}

.m-label { 
    display: block; 
    color: var(--text-dim); 
    font-size: 0.75rem; 
    text-transform: uppercase; 
    letter-spacing: 1px;
    margin-bottom: 12px; 
}

.m-number { 
    font-size: 2.2rem; 
    font-weight: 800; 
    font-family: 'JetBrains Mono', monospace; 
    color: var(--accent); 
}

/* --- Footer --- */
.main-footer {
    margin-top: 60px;
    text-align: center;
    padding-bottom: 40px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.f-btn { 
    background: none; 
    border: none; 
    color: var(--accent); 
    cursor: pointer; 
    font-weight: 600; 
    font-size: 0.9rem;
}

.dot { color: var(--border); }
.main-footer p { color: var(--text-dim); font-size: 0.85rem; }

/* --- Modals --- */
.modal-overlay { 
    position: fixed; 
    top:0; left:0; width:100%; height:100%; 
    background: rgba(0,0,0,0.85); 
    backdrop-filter: blur(12px); 
    display:none; 
    justify-content:center; 
    align-items:center; 
    z-index: 1000; 
}

.modal-overlay.active { display: flex; }

.modal-content { 
    background: var(--sidebar-bg);
    border: 1px solid var(--border);
    max-width: 550px; 
    width: 90%; 
    padding: 45px; 
    border-radius: 32px; 
    text-align: center; 
    position: relative;
}

.modal-pane h2 { margin-top: 0; color: var(--accent); }
.modal-pane p { line-height: 1.6; color: var(--text-dim); }

.contact-card {
    background: var(--glass);
    padding: 15px;
    border-radius: 12px;
    margin: 20px 0;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-pure);
}

.hidden { display: none !important; }

/* Mobile Responsiveness */
@media (max-width: 900px) {
    .dashboard { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: relative; padding: 20px; }
    .workspace { padding: 30px 20px; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}
/* Ensure the tag cloud looks premium */
.freq-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}
.f-tag {
    background: rgba(56, 189, 248, 0.2);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--accent);
    font-weight: 700;
    font-size: 0.9rem;
}
.status-indicator {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-dim);
}
.char-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
}

.char-pill {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    padding: 10px;
    border-radius: 12px;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
}

.char-pill b {
    color: var(--accent);
    display: block;
    font-size: 1.2rem;
}

.char-pill span {
    color: var(--text-dim);
    font-size: 0.7rem;
    text-transform: uppercase;
}
.main-footer {
    margin-top: 50px;
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-links {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.f-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.f-link:hover {
    color: var(--accent);
}

.dot {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
}
/* Success Notification Toast */
.copy-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--accent);
    color: #000;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 10px 30px rgba(56, 189, 248, 0.4);
    z-index: 9999;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: 8px;
}

.copy-toast.show {
    transform: translateX(-50%) translateY(0);
}