.signin-container {
    min-height: 100vh;        /* full screen height */
    display: flex;
    justify-content: center;   /* center horizontally */
    align-items: center;       /* center vertically */
    background: linear-gradient(135deg, #0b5c1f 0%, #1a8a3d 100%);
    font-family: 'Segoe UI', Arial, sans-serif;
}
.signin-box {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 380px;
    text-align: center;
}
.club-badge {
    font-size: 48px;
    margin-bottom: 10px;
}

.signin-box h1 {
    color: #0b5c1f;
    margin-bottom: 5px;
    font-size: 26px;
}

.subtitle {
    color: #777;
    margin-bottom: 25px;
    font-size: 14px;
}
.form-group {
    text-align: left;
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;   /* padding won't overflow the width */
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #1a8a3d;   /* green highlight on click */
}
.btn-signin {
    width: 100%;
    padding: 13px;
    background: #0b5c1f;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-signin:hover {
    background: #1a8a3d;
}
.signup-link {
    margin-top: 20px;
    font-size: 13px;
    color: #666;
}

.signup-link a {
    color: #0b5c1f;
    font-weight: 600;
    text-decoration: none;
}

.signup-link a:hover {
    text-decoration: underline;
}
.form-error {
    background: #fdecea;
    color: #b3261e;
    border: 1px solid #f5c6cb;
    border-radius: 6px;
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}