* { box-sizing: border-box; font-family: Arial, Helvetica, sans-serif; }

body { margin: 0; background: #f6f7fb; color: #111; }

.topbar {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: #0b5cff;
    color: white;
}

.topbar h1 { margin: 0; font-size: 20px; }

.auth { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.auth input {
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #d0d7e2;
    width: 160px;
}
.auth button {
    padding: 8px 12px;
    border: 0;
    border-radius: 10px;
    background: #111;
    color: white;
    cursor: pointer;
}
.muted { opacity: 0.8; font-size: 13px; }

.container { max-width: 1050px; margin: 18px auto; padding: 0 16px; display: grid; gap: 16px; }

.card {
    background: white;
    padding: 16px;
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

h2 { margin: 0 0 12px; font-size: 18px; }

.grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(4, 1fr);
}

.grid input {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #d0d7e2;
}

.row { display: flex; gap: 10px; align-items: center; margin-top: 12px; }
.space-between { justify-content: space-between; }

button {
    padding: 10px 14px;
    border-radius: 10px;
    border: 0;
    background: #0b5cff;
    color: white;
    cursor: pointer;
}
button.secondary { background: #e8edf7; color: #111; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    background: #fff;
}

th, td {
    padding: 12px 10px;
    border-bottom: 1px solid #eef0f5;
    text-align: left;
}

tbody tr:hover { background: #f8faff; }

#search {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #d0d7e2;
    width: 280px;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal.hidden { display: none; }

.modal-card {
    width: min(700px, 100%);
    background: white;
    padding: 16px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

@media (max-width: 900px) {
    .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
    .grid { grid-template-columns: 1fr; }
    .auth input { width: 140px; }
    #search { width: 100%; }
}