/* =====================================================
   ToolPing — Main Stylesheet
   ===================================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ---------- 1. Dark Theme (Default / OLED Dark) ---------- */
:root, [data-theme="dark"] {
    --bg-primary:    #0b1120;
    --bg-secondary:  #111827;
    --bg-card:       #1a2332;
    --bg-input:      #1e293b;
    --nav-bg:        rgba(11, 17, 32, 0.88);
    --hero-bg-mid:   #0f1d35;
    --text-primary:  #f8fafc;
    --text-secondary:#cbd5e1;
    --text-muted:    #94a3b8;
    --accent:        #00f2fe;
    --accent-hover:  #00f5a0;
    --brand-gradient: linear-gradient(135deg, #00d2ff 0%, #00f2fe 45%, #00f5a0 100%);
    --border:        #1e293b;
    --border-light:  #334155;
    --card-shadow:   0 4px 20px rgba(0, 0, 0, 0.35);
    --code-bg:       #0d1527;
    --logo-text:     #ffffff;
    
    --green:  #22c55e; --green-glow:  rgba(34,197,94,.25);
    --blue:   #3b82f6; --blue-glow:   rgba(59,130,246,.25);
    --orange: #f97316; --orange-glow: rgba(249,115,22,.25);
    --red:    #ef4444; --red-glow:    rgba(239,68,68,.25);
    --teal:   #14b8a6; --teal-glow:   rgba(20,184,166,.25);
    --purple: #a855f7; --purple-glow: rgba(168,85,247,.25);
    --yellow: #eab308; --yellow-glow: rgba(234,179,8,.25);
    --pink:   #ec4899; --pink-glow:   rgba(236,72,153,.25);
    --cyan:   #00f2fe; --cyan-glow:   rgba(0,242,254,.25);
    --lime:   #84cc16; --lime-glow:   rgba(132,204,22,.25);
    --coral:  #fb7185; --coral-glow:  rgba(251,113,133,.25);
    --indigo: #6366f1; --indigo-glow: rgba(99,102,241,.25);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: .2s ease;
}

/* ---------- 2. Lighter / Dim Theme (Slate Midnight) ---------- */
[data-theme="lighter"] {
    --bg-primary:    #1e293b;
    --bg-secondary:  #0f172a;
    --bg-card:       #293548;
    --bg-input:      #1e293b;
    --nav-bg:        rgba(30, 41, 59, 0.92);
    --hero-bg-mid:   #2d3e58;
    --text-primary:  #f8fafc;
    --text-secondary:#cbd5e1;
    --text-muted:    #94a3b8;
    --accent:        #00f2fe;
    --accent-hover:  #00f5a0;
    --brand-gradient: linear-gradient(135deg, #00d2ff 0%, #00f2fe 45%, #00f5a0 100%);
    --border:        #334155;
    --border-light:  #475569;
    --card-shadow:   0 4px 20px rgba(0, 0, 0, 0.22);
    --code-bg:       #162032;
    --logo-text:     #ffffff;
}

/* ---------- 3. Light Theme (Clean Crisp White) ---------- */
[data-theme="light"] {
    --bg-primary:    #f8fafc;
    --bg-secondary:  #ffffff;
    --bg-card:       #ffffff;
    --bg-input:      #f1f5f9;
    --nav-bg:        rgba(255, 255, 255, 0.94);
    --hero-bg-mid:   #e2e8f0;
    --text-primary:  #0f172a;
    --text-secondary:#475569;
    --text-muted:    #64748b;
    --accent:        #0284c7;
    --accent-hover:  #059669;
    --brand-gradient: linear-gradient(135deg, #0284c7 0%, #06b6d4 45%, #10b981 100%);
    --border:        #e2e8f0;
    --border-light:  #cbd5e1;
    --card-shadow:   0 4px 20px rgba(0, 0, 0, 0.07);
    --code-bg:       #f1f5f9;
    --logo-text:     #0f172a;

    --green-glow:  rgba(34,197,94,.12);
    --blue-glow:   rgba(59,130,246,.12);
    --orange-glow: rgba(249,115,22,.12);
    --red-glow:    rgba(239,68,68,.12);
    --teal-glow:   rgba(20,184,166,.12);
    --purple-glow: rgba(168,85,247,.12);
    --yellow-glow: rgba(234,179,8,.12);
    --pink-glow:   rgba(236,72,153,.12);
    --cyan-glow:   rgba(6,182,212,.12);
    --lime-glow:   rgba(132,204,22,.12);
    --coral-glow:  rgba(251,113,133,.12);
    --indigo-glow: rgba(99,102,241,.12);
}

/* System-level automatic light theme when user hasn't explicitly picked a theme */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]):not([data-theme="lighter"]) {
        --bg-primary:    #f8fafc;
        --bg-secondary:  #ffffff;
        --bg-card:       #ffffff;
        --bg-input:      #f1f5f9;
        --nav-bg:        rgba(255, 255, 255, 0.94);
        --hero-bg-mid:   #e2e8f0;
        --text-primary:  #0f172a;
        --text-secondary:#475569;
        --text-muted:    #64748b;
        --accent:        #0284c7;
        --accent-hover:  #059669;
        --brand-gradient: linear-gradient(135deg, #0284c7 0%, #06b6d4 45%, #10b981 100%);
        --border:        #e2e8f0;
        --border-light:  #cbd5e1;
        --card-shadow:   0 4px 20px rgba(0, 0, 0, 0.07);
        --code-bg:       #f1f5f9;
        --logo-text:     #0f172a;
    }
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition), color var(--transition);
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Navbar ---------- */
.navbar {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
    padding: .75rem 0;
    transition: background-color var(--transition), border-color var(--transition);
}
.nav-container {
    max-width: 1280px; margin: 0 auto; padding: 0 1.5rem;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    display: flex; align-items: center; gap: .75rem;
    font-size: 1.55rem; font-weight: 800;
    letter-spacing: -0.5px;
    text-decoration: none;
}
.nav-logo-img {
    width: 38px; height: 38px; display: block;
    filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.45));
    transition: transform var(--transition);
}
.nav-logo:hover .nav-logo-img {
    transform: scale(1.08) rotate(-4deg);
}

/* "Tool" — Always White with Logo-Color Contour, fills with gradient on hover */
.nav-logo .logo-tool {
    color: #ffffff;
    -webkit-text-stroke: 1px #00f2fe;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.5), 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}
.nav-logo:hover .logo-tool {
    background: linear-gradient(135deg, #00f2fe 0%, #00f5a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 0px transparent;
    filter: drop-shadow(0 0 14px rgba(0, 245, 160, 0.65));
    transform: translateY(-1px);
}

/* "Ping" — Always Signature Gradient */
.nav-logo .highlight {
    background: linear-gradient(135deg, #00f2fe 0%, #00f5a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(0, 245, 160, 0.35));
    transition: filter 0.3s ease, transform 0.3s ease;
    display: inline-block;
}
.nav-logo:hover .highlight {
    filter: drop-shadow(0 0 16px rgba(0, 245, 160, 0.8));
    transform: translateY(-1px);
}

/* ---------- Desktop Navbar Pill Capsule ---------- */
.nav-menu {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    padding: 0.35rem 0.55rem;
    box-shadow: var(--card-shadow);
    gap: 0.25rem;
    transition: all var(--transition);
}
.nav-menu:hover {
    border-color: rgba(0, 242, 254, 0.4);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.12);
}

.nav-pill-divider {
    width: 1px;
    height: 18px;
    background: var(--border-light);
    flex-shrink: 0;
    margin: 0 0.15rem;
}

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-btn {
    background: transparent; color: var(--text-secondary);
    border: 1px solid transparent; border-radius: 50px;
    padding: .45rem 1rem; font-size: .9rem; font-weight: 500; cursor: pointer;
    display: flex; align-items: center; gap: .5rem;
    transition: all var(--transition);
    user-select: none;
    text-decoration: none;
}
.dropdown-btn:hover,
.dropdown.active .dropdown-btn { 
    background: var(--bg-input); 
    color: var(--text-primary); 
    border-color: var(--border-light); 
}
.dropdown-btn i.fa-chevron-down { font-size: .65rem; transition: transform var(--transition); }
.dropdown:hover .dropdown-btn i.fa-chevron-down,
.dropdown.active .dropdown-btn i.fa-chevron-down { transform: rotate(180deg); }

.dropdown-content {
    display: none; position: absolute; right: 0; top: calc(100% + 6px);
    background: var(--bg-card); border: 1px solid var(--border-light);
    border-radius: var(--radius); min-width: 240px;
    box-shadow: var(--card-shadow);
    padding: .5rem 0; z-index: 200;
}
/* Invisible hover bridge so cursor never leaves hover zone between button and menu */
.dropdown-content::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
}
.dropdown:hover .dropdown-content,
.dropdown.active .dropdown-content { display: block; }
.dropdown-content a,
.dropdown-content button {
    display: flex; align-items: center; gap: .75rem;
    padding: .6rem 1.2rem; color: var(--text-secondary);
    font-size: .9rem; transition: all var(--transition);
    background: none; border: none; width: 100%; text-align: left; cursor: pointer;
    text-decoration: none;
}
.dropdown-content a:hover,
.dropdown-content button:hover { background: var(--bg-input); color: var(--text-primary); }
.dropdown-content a i,
.dropdown-content button i { width: 18px; text-align: center; }
.lang-flag-img {
    width: 18px;
    height: 12px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.4);
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--hero-bg-mid) 50%, var(--bg-primary) 100%);
    padding: 4rem 0 3rem; text-align: center;
    transition: background var(--transition);
}
.hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: .75rem; }
.hero .subtitle { color: var(--text-secondary); font-size: 1.15rem; margin-bottom: 2rem; max-width: 550px; margin-left: auto; margin-right: auto; }
.search-container {
    position: relative; max-width: 560px; margin: 0 auto;
}
.search-icon {
    position: absolute; left: 1.2rem; top: 50%; transform: translateY(-50%);
    color: var(--text-muted); font-size: 1rem;
}
.search-input {
    width: 100%; padding: .9rem 1.2rem .9rem 3rem;
    background: var(--bg-card); color: var(--text-primary);
    border: 1px solid var(--border-light); border-radius: 50px;
    font-size: 1rem; outline: none; transition: all var(--transition);
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(6,182,212,.15); }

/* ---------- Hero Status & Developer CLI Hub (Identical Twin Bars) ---------- */
.hero-hub {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}
.hero-hub .hero-cli-bar {
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    padding: 0.55rem 1.25rem;
    box-shadow: var(--card-shadow);
    transition: all var(--transition);
}
.hero-hub .hero-cli-bar:hover {
    border-color: var(--cyan);
    box-shadow: 0 6px 24px rgba(6, 182, 212, 0.2);
    transform: translateY(-2px);
}
.hero-hub .hero-cli-bar:hover .cli-copy-btn {
    border-color: var(--cyan);
    color: var(--cyan);
}

/* ---------- User IP & ISP Hero Tile ---------- */
.user-ip-tile {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    padding: 0.55rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    box-shadow: var(--card-shadow);
    font-size: 0.92rem;
    color: var(--text-primary);
    transition: all var(--transition);
    max-width: 95%;
}
.user-ip-tile:hover {
    border-color: var(--accent);
    box-shadow: 0 6px 24px rgba(0, 242, 254, 0.15);
    transform: translateY(-2px);
}
.user-ip-main {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.user-ip-pulse {
    width: 8px;
    height: 8px;
    background-color: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    animation: ipPulse 2s infinite cubic-bezier(0.66, 0, 0, 1);
    flex-shrink: 0;
}
@keyframes ipPulse {
    0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
.user-ip-label {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
}
.user-ip-value {
    font-family: monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}
.user-ip-copy {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    transition: all var(--transition);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
}
.user-ip-copy:hover {
    color: var(--accent);
    background: var(--bg-input);
}
.user-ip-divider {
    width: 1px;
    height: 16px;
    background: var(--border-light);
}
.user-ip-meta {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
}
.user-ip-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.user-ip-details-link {
    color: var(--text-muted);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    transition: all var(--transition);
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}
.user-ip-details-link:hover {
    color: var(--accent);
    background: var(--bg-input);
}

@media (max-width: 640px) {
    .user-ip-tile {
        flex-direction: column;
        border-radius: var(--radius);
        padding: 0.85rem 1rem;
        gap: 0.5rem;
    }
    .user-ip-divider { display: none; }
}

/* CLI bar internals */
.cli-terminal-inner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}
.cli-cmd-left {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.cli-prompt {
    color: var(--text-muted);
    font-family: monospace;
    font-weight: 600;
}
.cli-code {
    font-family: monospace;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}
.cli-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition);
    margin-left: auto;
}

/* ---------- Tools Section ---------- */
.tools-section { padding: 2.5rem 0 3rem; }
.section-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.5rem; }

.tools-layout { display: flex; gap: 2rem; }
.tools-main { flex: 1; }
.sidebar { width: 260px; flex-shrink: 0; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

/* ---------- Tool Cards ---------- */
.tool-card {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 1.5rem; border: 1px solid var(--border);
    transition: all .3s ease; cursor: pointer; display: block;
    color: var(--text-primary);
    content-visibility: auto;
    contain-intrinsic-size: auto 140px;
}
.tool-card:hover { transform: translateY(-4px); color: var(--text-primary); }
.tool-card .tool-icon {
    width: 48px; height: 48px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; margin-bottom: 1rem;
}
.tool-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: .4rem; }
.tool-card p { font-size: .85rem; color: var(--text-secondary); line-height: 1.4; }

/* Card color variants */
.tool-card.green  { border-color: var(--green-glow); }
.tool-card.green:hover  { box-shadow: 0 8px 30px var(--green-glow);  border-color: var(--green); }
.tool-card.green  .tool-icon { background: var(--green-glow);  color: var(--green); }

.tool-card.blue   { border-color: var(--blue-glow); }
.tool-card.blue:hover   { box-shadow: 0 8px 30px var(--blue-glow);   border-color: var(--blue); }
.tool-card.blue   .tool-icon { background: var(--blue-glow);   color: var(--blue); }

.tool-card.orange { border-color: var(--orange-glow); }
.tool-card.orange:hover { box-shadow: 0 8px 30px var(--orange-glow); border-color: var(--orange); }
.tool-card.orange .tool-icon { background: var(--orange-glow); color: var(--orange); }

.tool-card.red    { border-color: var(--red-glow); }
.tool-card.red:hover    { box-shadow: 0 8px 30px var(--red-glow);    border-color: var(--red); }
.tool-card.red    .tool-icon { background: var(--red-glow);    color: var(--red); }

.tool-card.teal   { border-color: var(--teal-glow); }
.tool-card.teal:hover   { box-shadow: 0 8px 30px var(--teal-glow);   border-color: var(--teal); }
.tool-card.teal   .tool-icon { background: var(--teal-glow);   color: var(--teal); }

.tool-card.purple { border-color: var(--purple-glow); }
.tool-card.purple:hover { box-shadow: 0 8px 30px var(--purple-glow); border-color: var(--purple); }
.tool-card.purple .tool-icon { background: var(--purple-glow); color: var(--purple); }

.tool-card.yellow { border-color: var(--yellow-glow); }
.tool-card.yellow:hover { box-shadow: 0 8px 30px var(--yellow-glow); border-color: var(--yellow); }
.tool-card.yellow .tool-icon { background: var(--yellow-glow); color: var(--yellow); }

.tool-card.pink   { border-color: var(--pink-glow); }
.tool-card.pink:hover   { box-shadow: 0 8px 30px var(--pink-glow);   border-color: var(--pink); }
.tool-card.pink   .tool-icon { background: var(--pink-glow);   color: var(--pink); }

.tool-card.cyan   { border-color: var(--cyan-glow); }
.tool-card.cyan:hover   { box-shadow: 0 8px 30px var(--cyan-glow);   border-color: var(--cyan); }
.tool-card.cyan   .tool-icon { background: var(--cyan-glow);   color: var(--cyan); }

.tool-card.lime   { border-color: var(--lime-glow); }
.tool-card.lime:hover   { box-shadow: 0 8px 30px var(--lime-glow);   border-color: var(--lime); }
.tool-card.lime   .tool-icon { background: var(--lime-glow);   color: var(--lime); }

.tool-card.coral  { border-color: var(--coral-glow); }
.tool-card.coral:hover  { box-shadow: 0 8px 30px var(--coral-glow);  border-color: var(--coral); }
.tool-card.coral  .tool-icon { background: var(--coral-glow);  color: var(--coral); }

.tool-card.indigo { border-color: var(--indigo-glow); }
.tool-card.indigo:hover { box-shadow: 0 8px 30px var(--indigo-glow); border-color: var(--indigo); }
.tool-card.indigo .tool-icon { background: var(--indigo-glow); color: var(--indigo); }

/* ---------- Sidebar ---------- */
.ad-placeholder {
    background: var(--bg-card); border: 2px dashed var(--border-light);
    border-radius: var(--radius); padding: 2rem 1rem;
    text-align: center; color: var(--text-muted); font-size: .85rem;
    margin-bottom: 1.5rem; min-height: 250px;
    display: flex; align-items: center; justify-content: center;
}

.trending-widget {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.5rem;
}
.trending-widget h3 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.trending-widget ul { list-style: none; }
.trending-widget li { margin-bottom: .6rem; }
.trending-widget a {
    display: flex; align-items: center; gap: .6rem;
    color: var(--text-secondary); font-size: .9rem;
}
.trending-widget a:hover { color: var(--accent); }
.trending-widget a i { width: 16px; text-align: center; font-size: .8rem; }

/* ---------- Ad Banners ---------- */
.ad-banner {
    background: var(--bg-card); border: 2px dashed var(--border-light);
    border-radius: var(--radius); padding: 1.25rem;
    text-align: center; color: var(--text-muted); font-size: .85rem;
    margin: 1.5rem 0;
}

/* ---------- Tool Pages ---------- */
.tool-page { padding: 2rem 0 3rem; }
.tool-header {
    margin-bottom: 2rem; padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.tool-header h1 {
    font-size: 2rem; font-weight: 700;
    display: flex; align-items: center; gap: .75rem;
}
.tool-header h1 i { font-size: 1.6rem; }
.tool-header p { color: var(--text-secondary); margin-top: .5rem; font-size: 1.05rem; }

.tool-layout { display: flex; gap: 2rem; }
.tool-main { flex: 1; min-width: 0; }

/* Forms */
.tool-form { margin-bottom: 1.5rem; }
.input-group { margin-bottom: 1rem; }
.input-group label {
    display: block; font-size: .9rem; font-weight: 500;
    color: var(--text-secondary); margin-bottom: .4rem;
}
.input-group input,
.input-group select,
.input-group textarea {
    width: 100%; padding: .75rem 1rem;
    background: var(--bg-input); color: var(--text-primary);
    border: 1px solid var(--border-light); border-radius: var(--radius-sm);
    font-size: .95rem; font-family: inherit; outline: none;
    transition: all var(--transition);
}
.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    border-color: var(--accent); box-shadow: 0 0 0 3px rgba(6,182,212,.15);
}
.input-group textarea { resize: vertical; min-height: 120px; }
.input-group select { cursor: pointer; }
.input-row { display: flex; gap: 1rem; }
.input-row .input-group { flex: 1; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .75rem 1.5rem; border-radius: var(--radius-sm);
    font-size: .95rem; font-weight: 600; border: none;
    cursor: pointer; transition: all var(--transition);
}
.btn-primary {
    background: var(--accent); color: #0b1120;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-secondary {
    background: var(--bg-input); color: var(--text-primary);
    border: 1px solid var(--border-light);
}
.btn-secondary:hover { border-color: var(--accent); }

/* Results */
.results-section {
    margin-top: 1.5rem; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--radius);
    overflow: hidden;
}
.results-header {
    padding: 1rem 1.25rem; background: var(--bg-input);
    border-bottom: 1px solid var(--border);
    font-weight: 600; font-size: .95rem;
    display: flex; align-items: center; gap: .5rem;
}
.results-body { padding: 1.25rem; }
.results-output {
    background: var(--bg-primary); border-radius: var(--radius-sm);
    padding: 1rem; font-family: 'Consolas', 'Courier New', monospace;
    font-size: .85rem; line-height: 1.7; white-space: pre-wrap;
    word-break: break-all; max-height: 500px; overflow-y: auto;
    color: var(--text-secondary);
}

/* Results Table */
.results-table {
    width: 100%; border-collapse: collapse; font-size: .9rem;
}
.results-table th,
.results-table td {
    padding: .65rem 1rem; text-align: left;
    border-bottom: 1px solid var(--border);
}
.results-table th {
    background: var(--bg-input); color: var(--text-secondary);
    font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .5px;
}
.results-table td { color: var(--text-primary); }

/* Status badges */
.badge {
    display: inline-block; padding: .2rem .65rem; border-radius: 50px;
    font-size: .75rem; font-weight: 600; text-transform: uppercase;
}
.badge-open   { background: var(--green-glow); color: var(--green); }
.badge-closed { background: var(--red-glow);   color: var(--red); }
.badge-valid  { background: var(--green-glow); color: var(--green); }
.badge-invalid{ background: var(--red-glow);   color: var(--red); }

/* Loading */
.loading {
    display: none; align-items: center; gap: .75rem;
    padding: 1.5rem; color: var(--text-secondary);
}
.loading.active { display: flex; }
.spinner {
    width: 24px; height: 24px; border: 3px solid var(--border-light);
    border-top-color: var(--accent); border-radius: 50%;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Speed test gauges */
.speed-results {
    display: flex; gap: 2rem; justify-content: center;
    margin-top: 1.5rem; flex-wrap: wrap;
}
.speed-gauge {
    text-align: center; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 2rem 2.5rem;
}
.speed-gauge .value {
    font-size: 2.5rem; font-weight: 800; color: var(--accent);
}
.speed-gauge .unit { font-size: .9rem; color: var(--text-muted); }
.speed-gauge .label {
    font-size: .85rem; color: var(--text-secondary);
    margin-top: .5rem; text-transform: uppercase; letter-spacing: .5px;
}

/* Password generator */
.password-display {
    background: var(--bg-primary); border-radius: var(--radius-sm);
    padding: 1rem 1.25rem; font-family: 'Consolas', monospace;
    font-size: 1.2rem; word-break: break-all;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    border: 1px solid var(--border);
}
.password-display .copy-btn {
    background: none; border: none; color: var(--accent);
    cursor: pointer; font-size: 1.1rem; padding: .25rem;
    transition: color var(--transition);
}
.password-display .copy-btn:hover { color: var(--accent-hover); }

.slider-group { display: flex; align-items: center; gap: 1rem; }
.slider-group input[type="range"] {
    flex: 1; accent-color: var(--accent); background: transparent;
    border: none; padding: 0;
}
.slider-group .slider-value {
    min-width: 2rem; text-align: center; font-weight: 600;
    color: var(--accent);
}
.checkbox-group { display: flex; flex-wrap: wrap; gap: 1rem; margin: .5rem 0; }
.checkbox-group label {
    display: flex; align-items: center; gap: .5rem;
    color: var(--text-secondary); font-size: .9rem; cursor: pointer;
}
.checkbox-group input[type="checkbox"] { accent-color: var(--accent); }

/* Regex / JSON textareas */
.split-pane { display: flex; gap: 1rem; }
.split-pane > div { flex: 1; }
.match-highlight { background: rgba(6,182,212,.2); color: var(--accent); padding: .1rem .2rem; border-radius: 3px; }
.error-text { color: var(--red); }
.success-text { color: var(--green); }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bg-secondary); border-top: 1px solid var(--border);
    padding: 1.5rem 0; margin-top: 2rem;
}
.footer-content {
    display: flex; justify-content: space-between; align-items: center;
    max-width: 1280px; margin: 0 auto; padding: 0 1.5rem;
}
.footer-content p { color: var(--text-muted); font-size: .85rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-muted); font-size: .85rem; }
.footer-links a:hover { color: var(--accent); }

/* ---------- Cookie Banner ---------- */
.cookie-banner {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-card); border-top: 1px solid var(--border-light);
    padding: 1.25rem 1.5rem; z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 -4px 20px rgba(0,0,0,.3);
}
.cookie-content {
    max-width: 1280px; width: 100%;
    display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.cookie-content p { color: var(--text-secondary); font-size: .85rem; flex: 1; }
.cookie-content a { color: var(--accent); }
.cookie-buttons { display: flex; gap: .75rem; flex-shrink: 0; }

/* ---------- Disclaimer Page ---------- */
.disclaimer-page { padding: 3rem 0; max-width: 800px; margin: 0 auto; }
.disclaimer-page h1 { font-size: 2rem; margin-bottom: 2rem; }
.disclaimer-page h2 {
    font-size: 1.2rem; color: var(--accent); margin: 2rem 0 .75rem;
    padding-bottom: .5rem; border-bottom: 1px solid var(--border);
}
.disclaimer-page p,
.disclaimer-page li {
    color: var(--text-secondary); font-size: .95rem; line-height: 1.7;
    margin-bottom: .75rem;
}
.disclaimer-page ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.disclaimer-page strong { color: var(--text-primary); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .tools-layout { flex-direction: column; }
    .sidebar { width: 100%; }
    .tool-layout { flex-direction: column; }
}
@media (max-width: 768px) {
    .hero { padding: 2.5rem 1rem 2rem; }
    .hero h1 { font-size: 2rem; }
    .hero .subtitle { font-size: 1rem; }
    
    /* Variant A: Stacked Smart Cards on Mobile */
    .hero-hub {
        flex-direction: column;
        width: 100%;
        max-width: 480px;
        margin: 1.25rem auto 0;
        gap: 0.75rem;
    }
    .hero-hub .user-ip-tile,
    .hero-hub .hero-cli-bar {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        border-radius: 18px;
        padding: 0.85rem 1.15rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.55rem;
    }
    .hero-hub .user-ip-divider {
        display: none;
    }
    .hero-hub .user-ip-main {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 0.5rem;
    }
    .hero-hub .user-ip-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding-top: 0.45rem;
        border-top: 1px solid var(--border-light);
        font-size: 0.82rem;
    }
    .hero-hub .user-ip-value {
        font-size: clamp(0.74rem, 3.4vw, 0.95rem);
        word-break: break-all;
        font-family: monospace;
        letter-spacing: 0;
    }

    .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
    .tool-card { padding: 1.15rem; }
    .footer-content { flex-direction: column; gap: .75rem; text-align: center; }
    .cookie-content { flex-direction: column; text-align: center; }
    .input-row { flex-direction: column; gap: 0; }
    .speed-results { flex-direction: column; align-items: center; }
    .split-pane { flex-direction: column; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 1.6rem; }
    .hero-hub { max-width: 100%; }
    .hero-hub .user-ip-tile,
    .hero-hub .hero-cli-bar {
        padding: 0.75rem 0.9rem;
        border-radius: 16px;
    }
    .grid { grid-template-columns: 1fr 1fr; }
    .tool-header h1 { font-size: 1.4rem; }
}

/* ---------- Contact Nav Button ---------- */
.nav-contact-btn {
    text-decoration: none;
    color: var(--text-primary);
}
.nav-contact-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ---------- Mobile Navigation & Hamburger Drawer ---------- */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}
.mobile-menu-btn:hover,
.mobile-menu-btn:active {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.25);
}

.mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100000;
}
.mobile-drawer.active {
    display: block;
}
.mobile-drawer-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease-out;
}
.mobile-drawer-content {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 85%;
    max-width: 340px;
    background: var(--bg-card);
    border-left: 1px solid var(--border-light);
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    animation: slideInRight 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}
.mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}
.mobile-drawer-close {
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.mobile-drawer-close:hover {
    color: var(--red);
    border-color: var(--red);
}
.mobile-quick-actions {
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1rem;
}
.mobile-action-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.mobile-action-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.mobile-action-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.mobile-pill-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 0.35rem 0.65rem;
    border-radius: 20px;
    font-size: 0.82rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
}
.mobile-pill-btn:hover,
.mobile-pill-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    font-weight: bold;
}
.mobile-contact-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: all var(--transition);
}
.mobile-contact-cta:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.mobile-tools-section {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.mobile-section-heading {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}
.mobile-tools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}
.mobile-tool-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    transition: all var(--transition);
}
.mobile-tool-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .nav-menu { display: none !important; }
    .mobile-menu-btn { display: flex !important; }
}

/* ---------- SEO Info Card & FAQ Accordion ---------- */
.tool-seo-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 1.75rem 2rem;
    margin-top: 2rem;
    box-shadow: var(--card-shadow);
    transition: all var(--transition);
}
.tool-seo-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-primary);
}
.tool-seo-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}
.tool-seo-subtext {
    font-size: 0.88rem !important;
    color: var(--text-muted) !important;
}
.tool-faq-section {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
}
.tool-faq-section h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}
.tool-faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.tool-faq-item {
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.15rem;
    cursor: pointer;
    transition: all var(--transition);
}
.tool-faq-item[open] {
    border-color: var(--accent);
    background: var(--bg-card);
}
.tool-faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.92rem;
    color: var(--text-primary);
    user-select: none;
    list-style: none;
}
.tool-faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: transform var(--transition);
}
.tool-faq-item[open] .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent);
}
.tool-faq-item p {
    margin-top: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* =====================================================
   Disclaimer & Privacy Policy Page Styling
   ===================================================== */
.disclaimer-wrapper {
    min-height: calc(100vh - 280px);
    padding: 2rem 0 3.5rem;
}
.disclaimer-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 1rem;
}
.disclaimer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 2.75rem 3rem;
    box-shadow: var(--card-shadow);
    color: var(--text-primary);
}
.disclaimer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent);
    border: 1px solid rgba(0, 242, 254, 0.25);
    padding: 0.3rem 0.85rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.85rem;
}
.disclaimer-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}
.disclaimer-card h1 {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    line-height: 1.3;
}
.disclaimer-updated {
    font-size: 0.84rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.disclaimer-card h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.disclaimer-card h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1.1em;
    background: var(--brand-gradient);
    border-radius: 2px;
}
.disclaimer-card p {
    font-size: 0.94rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}
.disclaimer-card ul {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}
.disclaimer-card ul li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--text-secondary);
}
.disclaimer-card ul li::before {
    content: '•';
    position: absolute;
    left: 0.35rem;
    color: var(--accent);
    font-size: 1.3rem;
    line-height: 1;
    top: -0.05rem;
}
.disclaimer-card ul li strong {
    color: var(--text-primary);
    font-weight: 600;
}

@media (max-width: 768px) {
    .disclaimer-wrapper {
        padding: 1rem 0 2.5rem;
    }
    .disclaimer-container {
        padding: 0 0.75rem;
    }
    .disclaimer-card {
        padding: 1.5rem 1.25rem;
        border-radius: var(--radius-sm);
    }
    .disclaimer-card h1 {
        font-size: 1.45rem;
    }
    .disclaimer-card h2 {
        font-size: 1.08rem;
        margin-top: 1.5rem;
    }
    .disclaimer-card p,
    .disclaimer-card ul li {
        font-size: 0.88rem;
        line-height: 1.65;
    }
}