:root {
    --primary-red: #D32F2F;
    --light-red: #FFEBEE;
    --white: #FFFFFF;
    --gray: #F5F5F5;
    --text-dark: #212121;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--gray);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
}

/* Layout Containers */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.centered-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

/* Header */
header {
    background-color: var(--primary-red);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
    background-color: var(--primary-red);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    text-decoration: none;
    display: inline-block;
    transition: background 0.3s;
}

.btn:hover {
    background-color: #B71C1C;
}

/* Transport Cards */
.card {
    background: white;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    border-left: 8px solid var(--primary-red);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.card-header {
    display: flex;
    justify-content: space-between;
    font-weight: bold;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 10px;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 0.9rem;
}

/* Progress Bar */
.progress-bg {
    background: #eee;
    height: 10px;
    border-radius: 5px;
    margin-top: 15px;
}
.progress-fill {
    background: var(--primary-red);
    height: 100%;
    width: 65%; /* Mocked progress */
    border-radius: 5px;
}

/* Form Styles */
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
select, input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}