/* Modern Dark Glassmorphism Design System (SpeedTest SmartSites style) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --bg-dark-1: #0f172a;
    --bg-dark-2: #1e293b;
    --bg-dark-3: #312e81;

    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-hover: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);

    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --cyan-gradient: linear-gradient(135deg, #22d3ee, #a78bfa);
    
    /* Neon Status Colors */
    --status-good: #34d399;
    --status-good-bg: rgba(52, 211, 153, 0.12);
    --status-good-border: rgba(52, 211, 153, 0.3);

    --status-average: #fbbf24;
    --status-average-bg: rgba(251, 191, 36, 0.12);
    --status-average-border: rgba(251, 191, 36, 0.3);

    --status-poor: #f87171;
    --status-poor-bg: rgba(248, 113, 113, 0.12);
    --status-poor-border: rgba(248, 113, 113, 0.3);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
}

body {
    background: linear-gradient(135deg, var(--bg-dark-1) 0%, var(--bg-dark-2) 50%, var(--bg-dark-3) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.5;
}

h1, h2, h3, h4, .brand-title {
    font-family: 'Outfit', sans-serif;
}

/* Header Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.7) !important;
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff !important;
}

.brand-icon {
    width: 34px;
    height: 34px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
}

/* Search Bar & Inputs */
.search-input-group {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 6px;
    transition: all 0.3s ease;
}

.search-input-group:focus-within {
    border-color: #a78bfa;
    box-shadow: 0 0 20px rgba(167, 139, 250, 0.3);
    background: rgba(255, 255, 255, 0.09);
}

.search-input-group .form-control {
    background: transparent;
    border: none;
    color: #fff;
    padding: 0.75rem 1.25rem;
    font-size: 1.05rem;
}

.search-input-group .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.search-input-group .form-control:focus {
    box-shadow: none;
    background: transparent;
    color: #fff;
}

.btn-start {
    background: var(--primary-gradient);
    border: none;
    padding: 12px 32px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    color: #fff;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    transition: all 0.3s ease;
}

.btn-start:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(99, 102, 241, 0.6);
    color: #fff;
}

/* Info Bar & Presets */
.info-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.preset-chip {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    border-radius: 50px;
    padding: 5px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    border: 1px solid var(--glass-border);
}

.preset-chip:hover {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* Custom Nav Pills (Strategy Switcher) */
.nav-pills-custom {
    display: inline-flex;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 4px;
    gap: 4px;
}

.nav-pills-custom .strategy-tab {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    border-radius: 50px;
    padding: 8px 24px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.nav-pills-custom .strategy-tab.active {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* Dashboard Gauges */
.gauges-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.gauge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.gauge-circle {
    position: relative;
    width: 120px;
    height: 120px;
}

.gauge-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.gauge-circle circle.bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 9;
}

.gauge-circle circle.meter {
    fill: none;
    stroke-width: 9;
    stroke-linecap: round;
    stroke-dasharray: 282.7; /* 2 * PI * 45 */
    stroke-dashoffset: 282.7;
    transition: stroke-dashoffset 1.2s ease-out, stroke 0.3s ease;
}

.gauge-number {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
}

.gauge-label {
    margin-top: 0.75rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: #fff;
}

/* Neon Status Classes */
.status-good {
    color: var(--status-good) !important;
}
.gauge-circle circle.meter.status-good {
    stroke: var(--status-good);
}

.status-average {
    color: var(--status-average) !important;
}
.gauge-circle circle.meter.status-average {
    stroke: var(--status-average);
}

.status-poor {
    color: var(--status-poor) !important;
}
.gauge-circle circle.meter.status-poor {
    stroke: var(--status-poor);
}

/* Metric Boxes */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

.metric-box {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metric-box:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.metric-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.metric-code {
    font-weight: 700;
    color: #fff;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
}

/* Quality Pills & Badges */
.quality-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
}

.quality-tag.good {
    background: var(--status-good-bg);
    color: var(--status-good);
    border: 1px solid var(--status-good-border);
    box-shadow: 0 0 12px rgba(52, 211, 153, 0.2);
}

.quality-tag.average {
    background: var(--status-average-bg);
    color: var(--status-average);
    border: 1px solid var(--status-average-border);
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.2);
}

.quality-tag.poor {
    background: var(--status-poor-bg);
    color: var(--status-poor);
    border: 1px solid var(--status-poor-border);
    box-shadow: 0 0 12px rgba(248, 113, 113, 0.2);
}

/* Audit Items */
.audit-item {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    transition: all 0.25s ease;
}

.audit-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
    transform: translateY(-2px);
}

.audit-item-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.audit-item-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.savings-badge {
    background: rgba(248, 113, 113, 0.15);
    color: var(--status-poor);
    border: 1px solid var(--status-poor-border);
    font-weight: 700;
    font-size: 0.78rem;
    padding: 4px 12px;
    border-radius: 50px;
}

/* Loading Overlay Spinner */
.analysis-loader {
    display: none;
    text-align: center;
    padding: 4rem 1rem;
}

.spinner-speedtest {
    width: 70px;
    height: 70px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-top: 5px solid #a78bfa;
    border-right: 5px solid #6366f1;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0 0 25px rgba(167, 139, 250, 0.4);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-step-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
}

/* Print CSS */
@media print {
    body { background: #fff !important; color: #000 !important; }
    .glass-card { background: #fff !important; border: 1px solid #ddd !important; box-shadow: none !important; color: #000 !important; }
    .audit-item-title, .metric-value, .gauge-label { color: #000 !important; }
    .btn, .navbar, .preset-chip, .nav-pills-custom, footer { display: none !important; }
}