:root {
    --bg: #050505;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --accent: #00d2ff;
    --accent-glow: rgba(0, 210, 255, 0.4);
    --text: #ffffff;
    --text-dim: #b0b0b0;
    --font: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

.background-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #004e92, transparent 60%),
                radial-gradient(circle at 10% 80%, #000428, transparent 40%);
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    backdrop-filter: blur(25px);
    padding: 3rem 2.5rem;
    border-radius: 30px;
    box-shadow: 0 40px 100px rgba(0,0,0,0.8);
    text-align: center;
}

.login-header {
    margin-bottom: 2.5rem;
}

.logo-login {
    height: 80px;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 15px var(--accent-glow));
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 0.5rem;
}

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

.login-header p {
    color: var(--text-dim);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form {
    text-align: left;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dim);
}

.input-group input {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    transition: 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.1);
}

.btn-login {
    width: 100%;
    background: var(--accent);
    background: linear-gradient(135deg, #00d2ff, #3a7bd5);
    color: #000;
    border: none;
    padding: 1.1rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.4s;
    margin-top: 1rem;
}

.btn-login:hover {
    box-shadow: 0 10px 25px var(--accent-glow);
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.login-footer {
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--text-dim);
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 1s ease-out forwards;
}