:root {
    --bg: #07070a;
    --bg-soft: #111118;
    --card: #171723;
    --text: #f7f7fb;
    --muted: #bdbdcf;
    --accent: #ff1bbf;
    --accent-2: #9f2bff;
    --border: #2a2a3d;
    --radius: 16px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top right, rgba(255, 27, 191, 0.14), transparent 35%), var(--bg);
    display: flex;
    flex-direction: column;
}

.signin-main {
    flex: 1;
    display: grid;
    place-items: center;
    padding: 130px 18px 50px;
}

.signin-panel {
    width: min(100%, 520px);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent), var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
}

.kicker {
    margin: 0 0 8px;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 700;
}

h1 {
    margin: 0 0 10px;
    font-size: 2rem;
}

.signin-intro {
    margin: 0 0 20px;
    color: var(--muted);
}

.signin-form {
    display: grid;
    gap: 10px;
}

.signin-form label {
    font-weight: 600;
    color: #ececf7;
}

.signin-form input {
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    padding: 0 12px;
    font-size: 0.98rem;
}

.signin-form input::placeholder {
    color: #a6a6ba;
}

.signin-form input:focus {
    outline: none;
    border-color: rgba(255, 27, 191, 0.65);
    box-shadow: 0 0 0 3px rgba(255, 27, 191, 0.16);
}

.signin-form button {
    margin-top: 6px;
    height: 46px;
    border: none;
    border-radius: 999px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(115deg, var(--accent), var(--accent-2));
    box-shadow: 0 10px 20px rgba(255, 27, 191, 0.28);
}

@media (max-width: 680px) {
    .signin-main {
        padding-top: 108px;
    }

    .signin-panel {
        padding: 20px 16px;
    }
}