:root {
    --bg-primary: #070b14;
    --bg-card: #101827;
    --bg-card-hover: #131e30;
    --bg-input: #0b111d;
    --border-color: #1e293b;
    --border-color-soft: #182234;
    --accent-blue: #22d3ee;
    --accent-blue-deep: #0ea5e9;
    --accent-green: #34d399;
    --accent-red: #fb7185;
    --accent-purple: #a78bfa;
    --text-primary: #f1f5f9;
    --text-secondary: #8b98ac;
    --text-muted: #5b6478;
    --radius-lg: 14px;
    --radius-md: 10px;
    --shadow-card: 0 20px 45px -20px rgba(0, 0, 0, 0.65);
    --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Consolas', 'SFMono-Regular', Menlo, monospace;
}

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

body {
    background:
        radial-gradient(circle at 15% 0%, rgba(34, 211, 238, 0.07), transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(167, 139, 250, 0.06), transparent 40%),
        var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

header {
    background: rgba(16, 24, 39, 0.75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color-soft);
    padding: 1.1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 20;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.badge-vpn,
.badge-public {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.8rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-vpn {
    background: rgba(52, 211, 153, 0.12);
    color: var(--accent-green);
    border: 1px solid rgba(52, 211, 153, 0.35);
}

.badge-public {
    background: rgba(34, 211, 238, 0.12);
    color: var(--accent-blue);
    border: 1px solid rgba(34, 211, 238, 0.35);
}

header > div:last-child {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

header > div:last-child strong {
    color: var(--text-primary);
    font-weight: 600;
}

main {
    flex: 1;
    max-width: 1180px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    width: 100%;
}

.hero-card {
    background: linear-gradient(155deg, var(--bg-card) 0%, #0c1220 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.25rem 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    opacity: 0.9;
    height: 3px;
    top: 0;
}

.hero-card h1 {
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.6rem;
}

.hero-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 70ch;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    align-items: start;
}

@media (max-width: 860px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .hero-card {
        padding: 1.75rem;
    }
}

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.9rem;
    box-shadow: var(--shadow-card);
    transition: border-color 0.2s ease;
}

.form-card:hover {
    border-color: var(--border-color-soft);
}

.form-card h2 {
    font-size: 1.1rem;
    font-weight: 650;
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group {
    margin-bottom: 1.15rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.9rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.btn-primary {
    width: 100%;
    padding: 0.8rem;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-deep) 100%);
    border: none;
    border-radius: var(--radius-md);
    color: #061019;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
    box-shadow: 0 8px 20px -8px rgba(34, 211, 238, 0.55);
}

.btn-primary:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.btn-primary[style*="2563eb"],
.btn-primary[style*="7c3aed"],
.btn-primary[style*="059669"],
.btn-primary[style*="4f46e5"] {
    box-shadow: none;
    color: #fff;
}

.alert-box {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
    display: none;
    font-size: 0.88rem;
    line-height: 1.5;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(52, 211, 153, 0.1);
    border-color: rgba(52, 211, 153, 0.35);
    color: var(--accent-green);
}

.alert-danger {
    background: rgba(251, 113, 133, 0.1);
    border-color: rgba(251, 113, 133, 0.35);
    color: var(--accent-red);
}

#responseContainer,
#intraResponse {
    background: #060a12 !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    font-family: var(--font-mono) !important;
    font-size: 0.85rem !important;
    line-height: 1.55;
    padding: 1rem !important;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.9rem;
}

th, td {
    padding: 0.7rem 0.9rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color-soft);
}

th {
    background: var(--bg-input);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.015);
}

footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color-soft);
    margin-top: auto;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color-soft);
}

/* ---------------------------------------------------------------- */
/* İctimai sayt (public zone) — neon yaşıl + mavi tema               */
/* İntranet öz defolt (yuxarıdakı mavi/cyan) temasını saxlayır.      */
/* ---------------------------------------------------------------- */
body.theme-public {
    --accent-green: #39ff8f;
}

body.theme-public .badge-public {
    background: linear-gradient(90deg, rgba(34, 211, 238, 0.14), rgba(57, 255, 143, 0.14));
    color: var(--accent-green);
    border: 1px solid rgba(57, 255, 143, 0.45);
    text-shadow: 0 0 10px rgba(57, 255, 143, 0.35);
}

body.theme-public .hero-card::before {
    background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
}

body.theme-public .form-control:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(57, 255, 143, 0.16), 0 0 14px rgba(34, 211, 238, 0.12);
}

body.theme-public .btn-primary {
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue-deep) 100%);
    box-shadow: 0 8px 22px -8px rgba(57, 255, 143, 0.5);
}

body.theme-public .btn-primary:hover {
    filter: brightness(1.08);
}

body.theme-public .alert-success {
    background: rgba(57, 255, 143, 0.1);
    border-color: rgba(57, 255, 143, 0.4);
    color: var(--accent-green);
}