@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #121212;
    color: #e0e0e0;
}

#app-container {
    width: 100%;
    max-width: 400px;
    padding: 1em;
}

.welcome-box {
    text-align: center;
    background-color: #1e1e1e;
    padding: 3em;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    border: 1px solid #333;
}

.hidden {
    display: none;
}

h1 {
    font-weight: 700;
    font-size: 2.5em;
    margin-bottom: 0.5em;
}

p {
    font-size: 1.1em;
    color: #aaa;
    margin-bottom: 1.5em;
}

input {
    display: block;
    margin: 1em auto;
    padding: 0.8em;
    width: calc(100% - 1.8em);
    background-color: #333;
    border: 1px solid #444;
    border-radius: 5px;
    color: #e0e0e0;
    font-size: 1em;
}

input::placeholder {
    color: #777;
}

button {
    padding: 0.8em 1.5em;
    border: none;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    margin-top: 1em;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.3);
}

#logout-button {
    background: #555;
}

#logout-button:hover {
    background: #666;
}

.error-message {
    color: #ff4d4d;
    margin-top: 1em;
    min-height: 1.2em;
}