body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f4f6f8;
    color: #222;
}
header {
    background: #1a237e;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.logo {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 2px;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}
nav a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.2s;
}
nav a:hover {
    color: #ffb300;
}
main {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 70vh;
}
.welcome {
    background: #fff;
    padding: 3rem 4rem;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(26,35,126,0.08);
    text-align: center;
}
.welcome h1 {
    margin-bottom: 1rem;
    color: #1a237e;
}
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow: auto;
    background: rgba(0,0,0,0.4);
}
.modal-content {
    background: #fff;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 2px 16px rgba(26,35,126,0.15);
    position: relative;
}
.close {
    color: #aaa;
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
}
.modal-content form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.modal-content input {
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}
.modal-content button {
    background: #1a237e;
    color: #fff;
    border: none;
    padding: 0.7rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}
.modal-content button:hover {
    background: #3949ab;
}

/* Under Construction Modal Styles */
.uc-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(26,35,126,0.7);
    backdrop-filter: blur(2px);
    justify-content: center;
    align-items: center;
}
.uc-modal-content {
    background: rgba(255,255,255,0.97);
    margin: 10% auto;
    padding: 2.5rem 2rem;
    border-radius: 14px;
    max-width: 420px;
    box-shadow: 0 4px 32px rgba(26,35,126,0.18);
    text-align: center;
    position: relative;
    font-size: 1.15rem;
}
.uc-modal-content h2 {
    color: #1a237e;
    margin-bottom: 1rem;
}
.uc-close {
    color: #888;
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    font-size: 1.7rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}
.uc-close:hover {
    color: #ffb300;
}
