/* --- Global Reset & Font --- */
body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 0;
    color: #2f3542;
}

/* --- Navigation --- */
nav {
    background: #2f3542;
    color: white;
    padding: 15px 0;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-links b {
    color: #2ed573;
}

.logout-link {
    color: white;
    text-decoration: none;
    border: 1px solid white;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.9em;
    transition: 0.3s;
}

.logout-link:hover {
    background: white;
    color: #2f3542;
}

/* --- Layout Containers --- */
.container {
    max-width: 1100px;
    margin: 20px auto;
    padding: 0 20px;
}

/* --- Auth Pages (Login/Register) --- */
.auth-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.auth-container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 350px;
    text-align: center;
}

.auth-container input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background-color: #2ed573;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #26af5f;
}

/* --- Forms (Dashboard) --- */
.form-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.add-form input, .add-form textarea {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* --- Inventory Grid --- */
.parts-grid, .view-only-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.part-card, .guest-card {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    border: 1px solid #eee;
    transition: 0.3s;
}

.part-card:hover {
    transform: translateY(-5px);
}

.part-card img, .guest-card img { 
    border-radius: 8px;
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 15px;
}

.name-display {
    font-size: 1.25em;
    font-weight: bold;
    margin: 5px 0;
    user-select: none;
    pointer-events: none;
}

.price-tag {
    color: #27ae60;
    font-size: 1.2em;
    font-weight: bold;
    margin: 5px 0;
}

.details-box {
    font-size: 0.85em;
    color: #57606f;
    background: #f1f2f6;
    padding: 10px;
    border-radius: 6px;
    text-align: left;
    margin: 10px 0;
    line-height: 1.4;
}

/* --- Buttons --- */
.btn-group {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.edit-btn {
    background: #ffa502;
    color: white;
    padding: 8px 15px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.85em;
}

.del-btn {
    background: #ff4757;
    color: white;
    padding: 8px 15px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.85em;
}

.error-msg {
    color: #ff4757;
    background: #ffeef0;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 0.9em;
}