:root {
    --bg: #0a0e14;
    --bg-grid: rgba(255,255,255,0.025);
    --card: rgba(19, 24, 34, 0.72);
    --card-solid: #131822;
    --card-border: rgba(255,255,255,0.08);
    --text: #e6edf3;
    --sub: #8b96a5;
    --accent: #22d3ee;
    --accent-2: #3b82f6;
    --success: #3fb950;
    --warning: #f0b429;
    --error: #f85149;
    --header-bg: rgba(13, 17, 23, 0.6);
    --input-bg: rgba(255,255,255,0.04);
    --shadow: 0 8px 32px rgba(0,0,0,0.35);
}

.theme-light {
    --bg: #f4f6f9;
    --bg-grid: rgba(15,23,42,0.03);
    --card: rgba(255, 255, 255, 0.85);
    --card-solid: #ffffff;
    --card-border: #e2e8f0;
    --text: #0f172a;
    --sub: #64748b;
    --accent: #0891b2;
    --accent-2: #2563eb;
    --success: #16a34a;
    --warning: #b45309;
    --error: #d73a49;
    --header-bg: rgba(255, 255, 255, 0.7);
    --input-bg: rgba(15,23,42,0.03);
    --shadow: 0 8px 24px rgba(15,23,42,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background:
        radial-gradient(ellipse 900px 500px at 50% -10%, rgba(34, 211, 238, 0.10), transparent 60%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--bg-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
    background-size: 42px 42px;
    pointer-events: none;
    z-index: 0;
}

.mono { font-family: 'JetBrains Mono', monospace; }

.container { max-width: 1160px; margin: 0 auto; padding: 20px 20px 60px; position: relative; z-index: 1; }

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 14px 20px;
    margin-bottom: 24px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.brand-text h1 { font-size: 17px; font-weight: 800; letter-spacing: -0.02em; }
.brand-text span { font-size: 11px; color: var(--sub); letter-spacing: 0.04em; text-transform: uppercase; }

.header-actions { display: flex; gap: 10px; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 16px;
    border-radius: 9px;
    border: 1px solid var(--card-border);
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    font-family: inherit;
    transition: 0.15s ease;
    color: var(--text);
    background: var(--input-bg);
}
.btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-icon { padding: 10px; }
.btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.3);
}
.btn-primary:hover { 
    background: linear-gradient(135deg, #0284c7, #1d4ed8);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}
.theme-light .btn-primary {
    background: linear-gradient(135deg, #2563eb, #1e40af);
}
.btn-copy { padding: 4px; border: none; background: transparent; color: var(--sub); opacity: 0.6; transition: 0.2s; }
.btn-copy:hover { opacity: 1; color: var(--accent); }

/* Search */
.search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    background: var(--card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 8px 8px 8px 16px;
    border-radius: 14px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow);
}
.search-box svg { color: var(--sub); flex-shrink: 0; }
input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 15px;
    font-family: 'JetBrains Mono', monospace;
    outline: none;
    padding: 10px 4px;
    min-width: 0;
}
input::placeholder { color: var(--sub); font-family: 'Inter', sans-serif; }

/* Loader */
.loader-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 60px 0; }
.loader {
    width: 38px; height: 38px;
    border: 3px solid var(--card-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s infinite linear;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-wrap p { color: var(--sub); font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; }

.hidden { display: none !important; }

/* Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
}
.results-grid > .card { grid-column: span 12; }

.card {
    background: var(--card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    padding: 22px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    animation: rise 0.4s ease both;
}
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
h3 {
    color: var(--sub);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: 8px;
}
h3 svg { width: 14px; height: 14px; }

/* Hero */
.hero-card {
    position: relative;
    overflow: hidden;
}
.hero-card::before {
    content: '';
    position: absolute;
    top: -80px; left: 50%;
    transform: translateX(-50%);
    width: 480px; height: 240px;
    background: radial-gradient(ellipse, rgba(34,211,238,0.20), transparent 70%);
    pointer-events: none;
}
.hero-top { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 12px; position: relative; }
.ip-large-wrap { display: flex; align-items: center; gap: 12px; }
.ip-large {
    font-size: clamp(28px, 5vw, 44px);
    font-weight: 700;
    letter-spacing: -0.01em;
    word-break: break-all;
    background: linear-gradient(135deg, var(--text), var(--sub));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.res-provider { color: var(--sub); font-size: 13px; margin-top: 6px; }

.badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    background: rgba(63, 185, 80, 0.12);
    color: var(--success);
    border: 1px solid rgba(63, 185, 80, 0.3);
    white-space: nowrap;
}
.badge svg { width: 13px; height: 13px; }
.badge-neutral {
    background: var(--input-bg);
    color: var(--sub);
    border: 1px solid var(--card-border);
}

/* Data items */
.data-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 11px 0;
    border-bottom: 1px solid var(--card-border);
    gap: 12px;
}
.data-item:last-child { border-bottom: none; }
.data-item label { color: var(--sub); font-size: 13px; }
.data-item .val-wrap { display: flex; align-items: center; gap: 8px; }
.data-item b { font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 600; text-align: right; }

/* Bento column spans */
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

#map { height: 260px; border-radius: 12px; margin-top: 4px; border: 1px solid var(--card-border); z-index: 10; }
.ip-marker { background: transparent; border: none; }
@keyframes markerPulse { 0% { transform: scale(0.6); opacity: 0.4; } 100% { transform: scale(2.2); opacity: 0; } }

.signal-body { display: flex; align-items: center; gap: 20px; }
.signal-chart-wrap { position: relative; width: 120px; height: 120px; flex-shrink: 0; }
.signal-score {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.signal-score b { font-family: 'JetBrains Mono', monospace; font-size: 22px; }
.signal-score span { font-size: 9px; color: var(--sub); text-transform: uppercase; letter-spacing: 0.05em; }
.signal-info { flex: 1; }
.signal-info p { font-size: 13px; color: var(--sub); line-height: 1.5; }
.signal-info strong { color: var(--sub); }

/* History */
.history-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 14px;
    background: var(--input-bg);
    border-radius: 10px;
    margin-bottom: 8px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: 0.15s;
}
.history-item:last-child { margin-bottom: 0; }
.history-item:hover { border-color: var(--accent); background: rgba(34,211,238,0.06); }
.history-left { display: flex; align-items: center; gap: 10px; }
.history-left svg { color: var(--sub); flex-shrink: 0; }
.history-ip { font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: 13px; }
.history-city { color: var(--sub); font-size: 12px; margin-top: 2px; }
.history-actions { display: flex; align-items: center; gap: 12px; }
.btn-delete-h { color: var(--sub); opacity: 0.4; transition: 0.2s; padding: 4px; }
.btn-delete-h:hover { color: var(--error); opacity: 1; transform: scale(1.1); }
.empty-history { color: var(--sub); font-size: 13px; text-align: center; padding: 20px 0; }

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.toast {
    background: var(--card-solid);
    border: 1px solid var(--card-border);
    color: var(--text);
    padding: 12px 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 500;
    animation: slideIn 0.3s ease forwards;
    min-width: 240px;
}
.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--error); }
.toast-warning { border-left: 4px solid var(--warning); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { to { transform: translateX(20px); opacity: 0; } }

/* FAQ Section */
.faq-section { margin-top: 48px; border-top: 1px solid var(--card-border); padding-top: 48px; }
.faq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; margin-top: 24px; }
.faq-item h4 { font-size: 15px; margin-bottom: 8px; color: var(--accent); }
.faq-item p { font-size: 13px; color: var(--sub); line-height: 1.6; }

/* Modals */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    z-index: 10000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: zoom-out;
}
.modal { cursor: default; }
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
    background: var(--card-solid);
    border: 1px solid var(--card-border);
    width: 90%; max-width: 550px;
    max-height: 80vh; overflow-y: auto;
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow);
    transform: translateY(20px);
    transition: 0.3s;
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.modal-head h2 { font-size: 18px; font-weight: 700; }
.btn-close { background: transparent; border: none; color: var(--sub); cursor: pointer; padding: 4px; }
.modal-body { color: var(--sub); font-size: 14px; line-height: 1.6; }
.modal-body p { margin-bottom: 12px; }

/* Footer Link */
footer {
    margin-top: 100px;
    padding: 60px 20px;
    border-top: 1px solid var(--card-border);
    position: relative;
    text-align: center;
}
.footer-links { display: flex; justify-content: center; gap: 32px; margin-bottom: 32px; }
.footer-link { 
    color: var(--sub); text-decoration: none; font-size: 13px; font-weight: 500;
    transition: 0.2s; cursor: pointer;
}
.footer-link:hover { color: var(--accent); }
.copyright { color: var(--sub); font-size: 13px; letter-spacing: 0.02em; margin-bottom: 16px; display: block; }
.powered-by { 
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--sub); font-size: 13px; text-decoration: none; 
    padding: 8px 16px; background: var(--input-bg); border-radius: 99px;
    border: 1px solid var(--card-border); transition: 0.2s;
}
.powered-by:hover { border-color: var(--accent); background: rgba(34, 211, 238, 0.05); }
.powered-by b { color: var(--text); font-weight: 700; }

/* Pricing / Pro Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 32px;
}
.pricing-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--card-border);
    padding: 32px 24px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.pricing-card:hover { transform: translateY(-8px); border-color: var(--accent); background: rgba(34, 211, 238, 0.04); }
.pricing-card.featured {
    border: 2px solid var(--accent);
    background: rgba(34, 211, 238, 0.06);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.pricing-card.featured::after {
    content: 'MOST POPULAR';
    position: absolute; top: 16px; right: -32px;
    background: var(--accent); color: #000;
    font-size: 8px; font-weight: 900;
    padding: 6px 40px; transform: rotate(45deg);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    z-index: 2;
}
.pricing-card h3 { color: var(--text); font-size: 14px; margin-bottom: 8px; justify-content: center; display: flex; align-items: center; gap: 8px; }
.price { font-size: 38px; font-weight: 800; margin: 20px 0; color: var(--text); display: block; }
.price span { font-size: 14px; color: var(--sub); font-weight: 400; }
.plan-features { list-style: none; text-align: left; margin: 24px 0; padding-top: 20px; border-top: 1px solid var(--card-border); }
.plan-features li { font-size: 12px; color: var(--sub); margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.plan-features li i { color: var(--accent); }

/* Trial Counter */
.trial-status {
    font-size: 11px;
    color: var(--sub);
    margin-top: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--input-bg);
    padding: 10px 20px;
    border-radius: 12px;
    width: fit-content;
    margin: 24px auto 24px;
    border: 1px solid var(--card-border);
}
.trial-count { color: var(--accent); font-weight: 700; font-size: 13px; }

.pro-badge {
    background: linear-gradient(90deg, #f0b429, #f7e0a3);
    color: #453411;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    margin-left: 8px;
    vertical-align: middle;
}
.pro-card {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.05), rgba(59, 130, 246, 0.05));
    border: 1px dashed var(--accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    padding: 40px !important;
}
.pro-card h4 { color: var(--accent); font-size: 18px; display: flex; align-items: center; gap: 10px; }
.pro-card p { font-size: 13px; color: var(--sub); max-width: 440px; line-height: 1.6; }

@media (max-width: 820px) {
    .col-4, .col-6, .col-8 { grid-column: span 12; }
}
@media (max-width: 560px) {
    .container { padding: 14px 12px 40px; }
    header { padding: 12px 14px; }
    .brand-text span { display: none; }
    .search-box { padding: 6px 6px 6px 12px; }
    #btn-my-ip span.btn-label { display: none; }
}