* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #f5f7fb;
    color: #1d2939;
}

a {
    text-decoration: none;
    color: inherit;
}

/* AUTH */

.auth-container {
    height: 100vh;
    display: flex;
    width: 100vw;
    align-items: center;
    justify-content: center;
}
.auth-container .auth-box select{
    width: 100%;
    padding: 10px;
}

.auth-box {
    width:700px;
    background: white;
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,.08);
}

.auth-box h1 {
    margin-bottom: 25px;
}

select, .auth-box input {
    width: 100%;
    padding: 14px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

button {
    border: none;
    padding: 10px;
    width:20%;
    border-radius: 8px;
    cursor: pointer;
    background: #c5305d;
    color: white;
    display: inline-block;
    font-weight: bold;
}

.auth-box button {
    width: 100%;
}

.alert {
    padding: 12px;
    background: #ffe4e4;
    color: #a00;
    border-radius: 8px;
    margin-bottom: 15px;
}

/* DASHBOARD */

.dashboard {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: #101828;
    color: white;
    padding: 25px 15px;
}

.sidebar h2 {
    padding: 10px 15px 30px;
}

.sidebar a {
    display: block;
    padding: 14px 15px;
    border-radius: 8px;
    margin-bottom: 5px;
}

.sidebar a:hover {
    background: #1d2939;
}

.main-content {
    flex: 1;
    padding: 35px;
}

.topbar {
    margin-bottom: 30px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 14px;
    box-shadow: 0 5px 25px rgba(0,0,0,.05);
}

.card h3 {
    color: #667085;
    margin-bottom: 15px;
}

.card strong {
    font-size: 32px;
}

.panel {
    background: white;
    padding: 25px;
    margin-top: 25px;
    border-radius: 14px;
}

.track-form {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.track-form input {
    flex: 1;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

/* TRACKING */

.tracking-page {
    max-width: 800px;
    margin: 60px auto;
    padding: 20px;
}

.tracking-page form {
    display: flex;
    gap: 10px;
    margin: 25px 0;
}

.tracking-page form input {
    flex: 1;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.shipment-result {
    background: white;
    padding: 30px;
    border-radius: 15px;
}

.timeline-item {
    border-left: 3px solid #1256d8;
    padding: 15px 20px;
    margin: 20px 0;
}

/* MOBILE */

@media (max-width: 768px) {

    .dashboard {
        display: block;
    }

    .sidebar {
        width: 100%;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .track-form {
        display: block;
    }

    .track-form input,
    .track-form button {
        width: 100%;
        margin-bottom: 10px;
    }

}