/* RESET */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* PAGE */
body {
    min-height: 100vh;
    background: linear-gradient(135deg, #2d7ff9, #1f66d1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
}

/* CARD */
#login_container {
    background: #fff;
    width: 100%;
    max-width: 380px;
    padding: 30px 35px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* TITRE */
h1 {
    text-align: center;
    margin-bottom: 25px;
    color: #1f66d1;
}

/* GROUPES */
form > * + * {
    margin-top: 15px;
}

/* LABELS */
label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: #555;
}

/* INPUTS & SELECT */
input,
select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 0.95rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: #2d7ff9;
    box-shadow: 0 0 0 2px rgba(45, 127, 249, 0.2);
}

/* BOUTON */
button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background-color: #2d7ff9;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

button:hover {
    background-color: #1f66d1;
}

button:active {
    transform: scale(0.98);
}