:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --accent-color: #38bdf8;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-color);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.dashboard-container {
    max-width: 1000px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
}

h1, h2 {
    color: var(--text-color);
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

input[type="text"], input[type="email"], input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid #334155;
    background: #0f172a;
    color: #fff;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: var(--accent-color);
}

button {
    width: 100%;
    padding: 0.75rem;
    background: var(--accent-color);
    color: #0f172a;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

button:hover {
    background: #0ea5e9;
    transform: translateY(-1px);
}

.card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.card a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
}