:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #f8fafc;
    --text-hover: #ffffff;
    --text-muted: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --sidebar-w: 260px;
    --input-bg: #1e293b;
}

.light-mode {
    --bg: #f1f5f9;
    --card-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.1);
    --text: #1e293b;
    --text-muted: #64748b;
    --input-bg: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body { background: var(--bg); color: var(--text); overflow: hidden; height: 100vh; }

/* Dashboard Shell */
.dashboard-wrapper { display: flex; height: 100vh; width: 100vw; }

.sidebar-nav {
    width: var(--sidebar-w);
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 2rem 0;
    z-index: 9999;
}

.sidebar-logo {
    padding: 0 1.5rem 2.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-logo h1 { font-size: 1.5rem; font-weight: 800; color: var(--text); }
.logo-shield { font-size: 2rem; }

.nav-links { list-style: none; flex: 1; }

.nav-item {
    padding: 1rem 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-left: 4px solid transparent;
    font-weight: 500;
}

.nav-item:hover { background: rgba(255, 255, 255, 0.05); color: var(--text); }
.nav-item.active { background: rgba(99, 102, 241, 0.1); color: var(--primary); border-left-color: var(--primary); }

.sidebar-footer { padding: 1.5rem; border-top: 1px solid var(--glass-border); }

.main-content { flex: 1; overflow-y: auto; padding: 2.5rem 3.5rem; position: relative; }

/* Views */
.view-section { display: none; max-width: 1200px; margin: 0 auto; animation: fadeInUp 0.4s ease-out; }
.view-section.active { display: block; }

/* Components */
.search-section.single { display: flex; gap: 1rem; margin: 3rem 0; background: var(--card-bg); padding: 1.5rem; border-radius: 16px; border: 1px solid var(--glass-border); }
.search-section.single input { flex: 1; padding: 1rem; background: transparent; border: none; color: white; outline: none; font-size: 1.1rem; }

.card { background: var(--card-bg); border: 1px solid var(--glass-border); border-radius: 20px; padding: 2rem; backdrop-filter: blur(12px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); transition: transform 0.3s ease; }
.card:hover { transform: translateY(-5px); }
.card h2 { margin-bottom: 1.5rem; font-size: 1.25rem; font-weight: 700; color: var(--text); }

.results-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; margin-top: 2rem; }

/* Metrics */
.score-container { position: relative; width: 180px; height: 120px; margin: 0 auto; }
.score-overlay { position: absolute; top: 60%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
.score-value { font-size: 2.5rem; font-weight: 800; }

.metric-list { margin-top: 1rem; }
.metric-item { display: flex; justify-content: space-between; padding: 0.75rem 0; border-bottom: 1px solid var(--glass-border); font-size: 0.9rem; }
.metric-item:last-child { border-bottom: none; }
.metric-name { color: var(--text-muted); }

/* Tracker Form */
.tracker-form { max-width: 600px; margin-top: 2rem; }
.form-row { display: flex; gap: 1.5rem; margin: 1.5rem 0; }
.form-group { flex: 1; }
.form-group label { display: block; margin-bottom: 0.5rem; font-size: 0.85rem; color: var(--text-muted); }
.form-group select { width: 100%; padding: 0.75rem; background: var(--input-bg); border: 1px solid var(--glass-border); border-radius: 10px; color: var(--text); cursor: pointer; }
.form-group select option { background: var(--input-bg); color: var(--text); }

/* History/Monitor Items */
.history-grid, .monitor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.history-item { background: var(--card-bg); padding: 1.5rem; border-radius: 16px; border: 1px solid var(--glass-border); cursor: pointer; transition: 0.2s; }
.history-item:hover { border-color: var(--primary); }
.history-item .url { font-weight: 700; color: var(--primary); display: block; margin-bottom: 0.5rem; }
.score-tag { padding: 3px 10px; border-radius: 6px; font-weight: 700; font-size: 0.8rem; }

/* Utils */
.primary-btn { padding: 1rem 2rem; background: var(--primary); color: white; border: none; border-radius: 12px; font-weight: 600; cursor: pointer; }
.primary-btn:hover { background: var(--primary-hover); transform: scale(1.02); }

.secondary-btn { padding: 0.75rem 1.5rem; background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border); color: var(--text); border-radius: 10px; cursor: pointer; }

.loading { display: none; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; z-index: 2000; }
.loader { width: 50px; height: 50px; border: 4px solid var(--glass-border); border-top-color: var(--primary); border-radius: 50%; display: inline-block; animation: spin 1s linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeInUp { from { opacity:0; transform: translateY(20px); } to { opacity:1; transform: translateY(0); } }

/* Login */
.login-overlay { position: fixed; inset: 0; background: var(--bg); display: flex; align-items: center; justify-content: center; z-index: 5000; }
.login-overlay .card { width: 400px; padding: 3rem; }
.login-overlay input { width: 100%; padding: 0.8rem; background: var(--input-bg); border: 1px solid var(--glass-border); border-radius: 10px; color: white; margin-top: 5px; }

/* Tooltips */
[data-info] { position: relative; cursor: help; }
[data-info]::after {
    content: attr(data-info);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.75rem;
    white-space: normal;
    width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    border: 1px solid var(--glass-border);
    pointer-events: none;
    z-index: 1000;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}
[data-info]:hover::after { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

@media (max-width: 900px) {
    .dashboard-wrapper { flex-direction: column; }
    .sidebar-nav { width: 100%; height: auto; padding: 0.5rem; flex-direction: row; }
    .sidebar-logo { display: none; }
    .nav-links { display: flex; }
    .nav-item { border-left: none; border-bottom: 3px solid transparent; }
    .nav-item.active { border-bottom-color: var(--primary); }
    .main-content { padding: 1.5rem; }
}

/* --- DEVELOPER PROFILE RESUME --- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 2rem 0;
}
.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--glass-border);
    top: 0;
    bottom: 0;
    left: 20px;
    margin-left: -1px;
}
.timeline-item {
    position: relative;
    padding-left: 50px;
    margin-bottom: 2rem;
}
.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 4px solid var(--app-bg);
    border-radius: 50%;
    left: 12px;
    top: 5px;
    z-index: 1;
}
.timeline-content {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    transition: transform 0.2s ease, border-color 0.2s ease;
}
.timeline-content:hover {
    transform: translateX(5px);
    border-color: var(--primary);
}

.project-card:hover {
    transform: translateY(-5px) !important;
    border-color: var(--primary);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2) !important;
}

/* --- GRID.JS DARK MODE OVERRIDES --- */
.gridjs-container {
    color: var(--text) !important;
}
.gridjs-wrapper {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}
.gridjs-table {
    background: transparent !important;
    border: none !important;
}
.gridjs-tr {
    background: var(--card-bg) !important;
}
.gridjs-th {
    background: rgba(0, 0, 0, 0.2) !important;
    color: var(--primary) !important;
    border: 1px solid var(--glass-border) !important;
    border-bottom: 2px solid var(--primary) !important;
}
th.gridjs-th .gridjs-th-content {
    color: var(--primary) !important;
    font-weight: 700 !important;
}
.gridjs-td {
    background: transparent !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--text) !important;
}
.gridjs-tr:hover .gridjs-td {
    background: rgba(56, 189, 248, 0.1) !important; /* Subtle blue glow on hover */
}
.gridjs-search {
    float: left !important;
}
.gridjs-search-input {
    background: var(--card-bg) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--text) !important;
    border-radius: 8px !important;
}
.gridjs-search-input::placeholder {
    color: var(--text-muted) !important;
}
.gridjs-pagination .gridjs-pages button {
    background: var(--card-bg) !important;
    color: var(--text) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: 4px !important;
}
.gridjs-pagination .gridjs-pages button:hover, .gridjs-pagination .gridjs-pages button:focus {
    background: var(--primary) !important;
    color: #fff !important;
}
.gridjs-pagination .gridjs-pages button.gridjs-currentPage {
    background: var(--primary) !important;
    color: #fff !important;
    font-weight: bold !important;
}
.gridjs-footer {
    background: transparent !important;
    border: none !important;
    margin-top: 1rem;
    box-shadow: none !important;
}
.gridjs-summary {
    color: var(--text-muted) !important;
}