* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box; /* Add prefix */
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 10px;
    /* Ensure smooth scrolling behavior */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 900px;
    width: 100%;
    margin: 10px auto;
    padding: 15px;
    background-color: white;
    border-radius: 8px;
    -webkit-border-radius: 8px; /* Add prefix */
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    -webkit-box-shadow: 0 4px 10px rgba(0,0,0,0.1); /* Add prefix */
}

#login-container, #admin-login-container {
    max-width: 400px;
    text-align: center;
}

#app-container, #admin-panel-container {
    max-width: 900px;
}

.login-logo {
    width: 120px;
    height: auto;
    margin-bottom: 15px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    /* Add webkit prefix for animation */
    animation: bounce 2s infinite alternate;
    -webkit-animation: bounce 2s infinite alternate;
}

button {
    background-color: #ff5722;
    color: white;
    border: none;
    padding: 10px 18px;
    font-size: 15px;
    border-radius: 4px;
    -webkit-border-radius: 4px; /* Add prefix */
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.2s;
    -webkit-transition: background-color 0.3s, -webkit-box-shadow 0.2s; /* Add prefixes */
    margin-top: 5px;
    -webkit-tap-highlight-color: transparent; /* Good practice for touch */
}

button:hover {
    background-color: #e64a19;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    -webkit-box-shadow: 0 2px 5px rgba(0,0,0,0.2); /* Add prefix */
}

.secondary-button {
    background-color: #6c757d;
    color: white;
    padding: 8px 12px;
    font-size: 13px;
    margin-top: 10px;
}

.secondary-button:hover {
    background-color: #5a6268;
}

.admin-button {
    background-color: #ffc107;
    color: #333;
    padding: 6px 10px;
    font-size: 13px;
    font-weight: bold;
    border-radius: 20px;
    -webkit-border-radius: 20px; /* Add prefix */
}

.admin-button:hover {
    background-color: #ffca2c;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
    -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.15); /* Add prefix */
}

#login-container h2, #admin-login-container h2 {
    margin-bottom: 15px;
    font-size: 1.3em;
    color: #ff5722;
}

#login-container .form-group, #admin-login-container .form-group {
    margin-bottom: 12px;
    text-align: left;
}

#login-container label, #admin-login-container label {
    display: block;
    margin-bottom: 4px;
    font-weight: bold;
    color: #555;
    font-size: 0.9em;
}

#login-container input, #admin-login-container input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    -webkit-border-radius: 4px; /* Add prefix */
    font-size: 15px;
}

#login-container button[type="submit"], #admin-login-container button[type="submit"] {
    width: 100%;
    margin-top: 8px;
    padding: 10px;
}

.error-message, .success-message, .feedback-message {
    padding: 8px;
    border-radius: 4px;
    -webkit-border-radius: 4px; /* Add prefix */
    margin-top: 12px;
    text-align: center;
    font-size: 0.85em;
}

.error-message {
    color: #d32f2f;
    background-color: #ffebee;
    border: 1px solid #d32f2f;
}

.success-message {
    color: #2e7d32;
    background-color: #e8f5e9;
    border: 1px solid #2e7d32;
}

#app-container header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #ff9800;
    flex-wrap: wrap;
    gap: 10px;
}

h1 {
    font-size: 1.6em;
    color: #ff5722;
    flex-grow: 1;
}

h2 {
    font-size: 1.25em;
    color: #ff5722;
    margin-bottom: 10px;
}

h3 {
    font-size: 1.1em;
    color: #ff5722;
    margin-bottom: 8px;
}

.mascot {
    /* Add webkit prefix for animation */
    animation: bounce 2s infinite alternate;
    -webkit-animation: bounce 2s infinite alternate;
    order: 1;
    text-align: center;
}

.logo {
    width: 80px; /* Adjusted size for main app header */
    height: auto;
}

@keyframes bounce {
    from {
        transform: translateY(0);
        -webkit-transform: translateY(0); /* Add prefix */
    }
    to {
        transform: translateY(-6px);
        -webkit-transform: translateY(-6px); /* Add prefix */
    }
}

@-webkit-keyframes bounce { /* Add prefixed keyframes */
    from {
        -webkit-transform: translateY(0);
    }
    to {
        -webkit-transform: translateY(-6px);
    }
}

.discount-table {
    margin-bottom: 20px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch; /* Keep for iOS */
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    -webkit-box-shadow: 0 2px 5px rgba(0,0,0,0.1); /* Add prefix */
    font-size: 0.9em;
}

th, td {
    padding: 10px 8px;
    text-align: center;
    border: 1px solid #ddd;
    white-space: nowrap;
}

th {
    background-color: #ff9800;
    color: white;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

.simulator {
    background-color: white;
    padding: 15px;
    border-radius: 5px;
    -webkit-border-radius: 5px; /* Add prefix */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    -webkit-box-shadow: 0 2px 5px rgba(0,0,0,0.1); /* Add prefix */
    margin-bottom: 20px;
    border: 1px solid #eee;
}

.form-group {
    margin-bottom: 12px;
}

label {
    display: block;
    margin-bottom: 4px;
    font-weight: bold;
    font-size: 0.9em;
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    -webkit-border-radius: 4px; /* Add prefix */
    font-size: 16px;
    font-family: inherit;
    /* Ensure inputs don't inherit strange styles */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}
/* Restore default appearance for specific types if needed */
input[type="checkbox"], input[type="radio"] {
     -webkit-appearance: checkbox;
     -moz-appearance: checkbox;
     appearance: checkbox;
}
input[type="range"] {
    -webkit-appearance: slider-horizontal;
    -moz-appearance: range;
    appearance: slider-horizontal;
}
select {
    -webkit-appearance: none; /* Remove default arrow on Chrome/Safari */
    -moz-appearance: none; /* Remove default arrow on Firefox */
    appearance: none;
    /* Add custom arrow or use background image if desired */
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23007CB2%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: .65em auto;
    padding-right: 30px; /* Make space for arrow */
}

input[type="number"] {
     -moz-appearance: textfield; /* Firefox */
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}


input[type="checkbox"] {
    width: auto;
    /* Add back basic appearance for checkbox */
    -webkit-appearance: checkbox;
    -moz-appearance: checkbox;
    appearance: checkbox;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 4px;
    transform: scale(1.1);
    -webkit-transform: scale(1.1); /* Add prefix */
    flex-shrink: 0;
}

.checkbox-group label {
    display: inline;
    margin-bottom: 0;
    font-weight: bold;
    background-color: #ff9800;
    color: white;
    padding: 3px 6px;
    border-radius: 4px;
    -webkit-border-radius: 4px; /* Add prefix */
    font-size: 0.85em;
    cursor: pointer;
    white-space: nowrap;
}

#app-container button[type="submit"] {
    background-color: #ff5722;
    color: white;
    padding: 12px 25px;
    font-size: 16px;
    width: 100%;
    font-weight: bold;
    margin-top: 8px;
}

#app-container button[type="submit"]:hover {
    background-color: #e64a19;
}

#result {
    margin-top: 15px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    -webkit-border-radius: 4px; /* Add prefix */
    background-color: #f9f9f9;
}

.hidden {
    display: none !important;
}

.payment-tabs {
    display: flex;
    margin-bottom: 10px;
    border-bottom: 1px solid #ddd;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch; /* Keep for iOS */
    scrollbar-width: none; /* Firefox */
}

.payment-tabs::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.tab-button {
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-bottom: none;
    padding: 8px 12px;
    margin-right: 4px;
    border-radius: 5px 5px 0 0;
    -webkit-border-radius: 5px 5px 0 0; /* Add prefix */
    cursor: pointer;
    color: #555;
    font-size: 0.9em;
    white-space: nowrap;
    flex-shrink: 0;
}

.tab-button.active {
    background-color: #ff9800;
    color: white;
    border-color: #ff9800;
    font-weight: bold;
}

.tab-content {
    padding: 10px 0;
}

.installment-option {
    background-color: white;
    border: 1px solid #eee;
    border-radius: 4px;
    -webkit-border-radius: 4px; /* Add prefix */
    padding: 8px 12px;
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: box-shadow 0.2s ease-in-out;
    -webkit-transition: -webkit-box-shadow 0.2s ease-in-out; /* Add prefix */
    flex-wrap: wrap;
    gap: 5px;
}

.installment-option:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    -webkit-box-shadow: 0 2px 6px rgba(0,0,0,0.08); /* Add prefix */
}

.installment-details {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    margin-right: 8px;
    min-width: 120px;
}

.installment-header {
    font-weight: bold;
    color: #ff5722;
    margin-bottom: 2px;
    font-size: 1em;
}

.discount-info {
    font-size: 0.85em;
    color: #666;
}

.price-info {
    text-align: right;
    font-weight: bold;
    flex-shrink: 0;
    min-width: 100px;
    /* Adjust alignment since there's only one line now */
    display: flex;
    align-items: center; /* Vertically center the price */
    justify-content: flex-end; /* Keep it right-aligned */
}

.highlight {
    color: #ff5722;
    font-size: 1.1em; /* Make the total price slightly larger */
}

.observations {
    margin-top: 20px;
    padding: 15px;
    background-color: #fffaf0;
    border: 1px solid #ffecb3;
    border-radius: 8px;
    -webkit-border-radius: 8px; /* Add prefix */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    -webkit-box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); /* Add prefix */
}

.observations h3 {
    color: #ff8f00;
    margin-bottom: 10px;
    border-bottom: 1px solid #ffecb3;
    padding-bottom: 6px;
    font-size: 1.1em;
}

#observations-content {
    color: #555;
    font-size: 0.9em;
    /* Ensure long words wrap correctly */
    word-wrap: break-word;
    overflow-wrap: break-word;
}

#observations-content ul {
    list-style: none;
    padding-left: 0;
}

#observations-content li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
    line-height: 1.5;
}

#observations-content li::before {
    content: '🔸';
    position: absolute;
    left: 0;
    top: 1px;
    color: #ff9800;
    font-size: 1em;
}

#observations-content li:last-child {
    margin-bottom: 0;
}

#observations-content strong,
#observations-content b {
    color: #ff5722;
    font-weight: bold;
}

#admin-panel-container textarea#observations-textarea {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    font-size: 1em;
    background-color: #fff;
    color: #555;
    border: 1px solid #ddd;
    min-height: 150px;
    -webkit-appearance: none; /* Reset appearance */
    appearance: none;
}

footer {
    margin-top: 20px;
    text-align: center;
    padding-top: 10px;
    border-top: 1px solid #eee;
}

@media (max-width: 768px) {
    body {
        padding: 5px;
    }
    .container {
        width: 95%;
        margin: 10px auto;
        padding: 12px;
    }
    h1 {
        font-size: 1.4em;
    }
    h2 {
        font-size: 1.2em;
    }
    h3 {
        font-size: 1.05em;
    }
    .login-logo {
        width: 100px;
    }
    .logo {
        width: 70px; /* Keep adjusted size */
    }
    #app-container header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 10px;
    }
    .mascot {
        order: -1;
        margin-bottom: 10px;
    }
    .admin-button {
        margin-top: 5px;
    }
    .installment-option {
        align-items: flex-start;
    }
    .price-info {
        text-align: right; /* Keep right align */
        margin-top: 0; /* Reset margin */
        width: auto; /* Allow it to shrink */
        justify-content: flex-end; /* Keep right alignment */
    }
    table {
        font-size: 0.85em;
    }
    th, td {
        padding: 8px 6px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 5px;
        line-height: 1.5;
    }
    .container {
        padding: 10px;
    }
    h1 {
        font-size: 1.3em;
    }
    h2 {
        font-size: 1.15em;
    }
    h3 {
        font-size: 1em;
    }
    .login-logo {
        width: 80px;
    }
    .logo {
        width: 60px; /* Keep adjusted size */
    }
    button, #app-container button[type="submit"] {
        padding: 10px 15px;
        font-size: 14px;
    }
    .secondary-button {
        padding: 6px 10px;
        font-size: 12px;
    }
    .admin-button {
        padding: 5px 8px;
        font-size: 12px;
    }
    input, select, textarea {
        padding: 8px;
        font-size: 15px;
    }
    /* Adjust select padding on mobile if custom arrow looks cramped */
    select {
        padding-right: 25px;
        background-position: right 8px center;
    }
    .tab-button {
        padding: 7px 10px;
        font-size: 0.85em;
    }
    .installment-header {
        font-size: 0.95em;
    }
    .discount-info {
        font-size: 0.8em;
    }
    .highlight {
        font-size: 1em; /* Adjust size for smaller screens if needed */
    }
    #observations-content {
        font-size: 0.85em;
    }
    #observations-content li {
        padding-left: 18px;
    }
    #observations-content li::before {
        font-size: 0.9em;
        top: 0;
    }
    table {
        font-size: 0.8em;
    }
    th, td {
        padding: 6px 4px;
    }
}