:root {
    --bg-dark: #080a12;
    --accent: #00d2ff;
    --text-main: #ffffff;
    --border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at 50% 50%, #1a1f35 0%, #080a12 100%);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100vw;
}

.login-card {
    background: rgba(15, 18, 26, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 380px;
    margin: 20px;
}

.login-card h1 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 8px;
    text-align: center;
}

.login-card h1 span {
    color: var(--accent);
}

.login-card p {
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.6);
}

.form-group input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    color: white;
    font-size: 14px;
    outline: none;
    transition: 0.3s;
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.15);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    border: none;
    border-radius: 10px;
    color: #000;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 10px;
}

.login-btn:hover {
    background: #00b8e6;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
}

.error-msg {
    background: rgba(255, 59, 48, 0.15);
    border: 1px solid rgba(255, 59, 48, 0.3);
    color: #ff6b6b;
    padding: 10px 15px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
}