/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial Black', sans-serif;
    background: #2a2a2a;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 199px, rgba(80,80,80,.5) 199px, rgba(80,80,80,.5) 200px),
        repeating-linear-gradient(90deg, transparent, transparent 199px, rgba(80,80,80,.5) 199px, rgba(80,80,80,.5) 200px);
    background-size: 200px 200px;
    background-attachment: fixed;
    color: #fff;
    overflow-x: hidden;
}

button {
    cursor: pointer;
}

/* ========== PAGES ========== */
.page {
    display: none;
    padding-top: 100px;
}

.page.active {
    display: block;
}

.container {
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ========== BUTTONS ========== */
.btn-back {
    padding: 10px 20px;
    background: #555;
    border: none;
    color: #fff;
    border-radius: 4px;
    margin-bottom: 20px;
    font-weight: 700;
    transition: all 0.2s;
}

.btn-back:hover {
    background: #33C6FF;
    transform: translateY(-2px);
}

/* ========== TABLE ========== */
table {
    width: 100%;
    border-collapse: collapse;
    background: #38383800;
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 12px;
    text-align: left;
}

th {
    background: #33C6FF;
    color: #000;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

tr:not(:last-child) {
    border-bottom: 1px solid #555;
}

tr:hover {
    background: rgba(51, 198, 255, 0.1);
}