body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%); /* Deep Blue Gradient */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    color: #333;
}

.card-container {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.logo {
    font-weight: 700;
    color: #2a5298;
    margin-bottom: 5px;
}

.tagline {
    font-size: 0.9em;
    color: #777;
    margin-bottom: 25px;
}

.tab-controls {
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
    border-bottom: 2px solid #eee;
}

.tab-button {
    flex-grow: 1;
    padding: 10px 15px;
    border: none;
    background: none;
    font-size: 1.1em;
    font-weight: 600;
    color: #999;
    cursor: pointer;
    transition: color 0.3s, border-bottom 0.3s;
}

.tab-button.active {
    color: #2a5298;
    border-bottom: 3px solid #2a5298;
}

.form-tab {
    display: none;
    text-align: left;
}

.form-tab.active {
    display: block;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 1em;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: #2a5298;
    outline: none;
}

.status-message {
    display: block;
    font-size: 0.8em;
    margin-top: 5px;
}

.status-message.error {
    color: #e74c3c;
}

.status-message.success {
    color: #27ae60;
}

.submit-button {
    width: 100%;
    padding: 12px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-button:hover {
    background: #2ecc71;
}

.message-area {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
    display: none; /* Hidden by default, shown by PHP if needed */
}

.message-area.success {
    background: #e6ffe6;
    color: #27ae60;
}

.message-area.error {
    background: #ffe6e6;
    color: #e74c3c;
}