* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #6fb1fc, #4364f7, #2c3e50);
    color: #fff;
    display: flex;
    flex-direction: column;
}

/* HEADER */
header {
    background: rgba(0,0,0,0.3);
    padding: 15px 30px;
    font-size: 20px;
    font-weight: bold;
}

/* FOOTER */
footer {
    margin-top: auto;
    text-align: center;
    padding: 10px;
    font-size: 12px;
    background: rgba(0,0,0,0.3);
}

/* CONTAINER */
.container {
    max-width: 500px;
    margin: 50px auto;
}

/* CARD */
.card {
    background: rgba(255,255,255,0.1);
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

/* INPUT */
input, select {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    border-radius: 8px;
    border: none;
    outline: none;
}

/* BUTTON */
button {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
    background: #00c6ff;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #0072ff;
}

/* LINKS */
a {
    color: #fff;
    text-decoration: none;
}

.link-btn {
    display: block;
    text-align: center;
    margin-top: 10px;
    padding: 10px;
    background: rgba(255,255,255,0.2);
    border-radius: 8px;
}

.link-btn:hover {
    background: rgba(255,255,255,0.4);
}

/* TABLE */
table {
    width: 100%;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    overflow: hidden;
}

td, th {
    padding: 10px;
    text-align: center;
}

tr:nth-child(even) {
    background: rgba(255,255,255,0.05);
}
td a {
    margin: 0 5px;
    font-size: 18px;
}
header a {
    margin-left: 10px;
    color: #fff;
    font-weight: bold;
}

header a:hover {
    text-decoration: underline;
}
pre {
    background: rgba(0,0,0,0.7);
    padding: 10px;
    border-radius: 8px;
    max-height: 300px;
    overflow-y: auto;
}
label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}