:root {
    /* Main color variables */
    --bg-color: #f4f7f9; /* Slightly softer background */
    --text-color: #333;
    --card-bg: #ffffff;
    --border-color: #e1e8ed; /* Softer border */
    --button-bg: #007bff;
    --button-bg-rgb: 0, 123, 255;
    --button-text: #ffffff;
    --button-hover-bg: #0056b3;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-focus-border: #80bdff;
    --ad-bg: #e9ecef;
    --link-color: #007bff;
    --output-bg: #eef7ff; /* Light blue background for output */
    --output-text: #0056b3; /* Darker blue for output text */
    --calendar-icon-filter: none;
    
    /* Gradient background colors */
    --bg-gradient-start: #e0eafc;
    --bg-gradient-middle: #f0f4fd;
    --bg-gradient-end: #cfdef3;

    /* Other variables */
    --icon-filter: none;
    --card-bg-rgba: 255, 255, 255;

    --background: #f5f7fa;
    --container-bg: #ffffff;
    --text-muted: #6c757d;
    --heading-color: #2c3e50;
    --button-hover: #e7f3fd;
    --button-active: #3498db;
    --output-bg: #f8f9fa;
    --result-color: #2c3e50;
    --error-color: #dc3545;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; /* Nicer font stack */
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-middle), var(--bg-gradient-end));
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column; /* Change from row (default) to column */
    justify-content: flex-start; /* Change from center to flex-start */
    align-items: center; /* Center horizontally */
    min-height: 100vh;
    padding: 15px 0; /* Add padding to prevent sticking to edges */
    box-sizing: border-box;
    position: relative;
    overflow-x: hidden;
    background-size: 400% 400%;
    animation: gradientBackground 15s ease infinite;
    -webkit-background-size: 400% 400%; /* Safari compatibility */
}

/* Remove old patterns */
body::before, body::after {
    content: none;
}

/* Add animated gradient */
@keyframes gradientBackground {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Add -webkit-keyframes for Safari compatibility */
@-webkit-keyframes gradientBackground {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    display: flex;
    width: 100%;
    max-width: 1300px;
    margin: 0;
    background-color: rgba(var(--card-bg-rgba), 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px 12px 0 0; /* Rounded top corners only */
    border: 1px solid var(--border-color);
    border-bottom: none; /* Remove bottom border as footer will connect */
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(var(--button-bg-rgb), 0.1);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    height: auto;
    max-height: calc(100vh - 120px); /* Limit height to ensure space for footer */
    position: relative;
    z-index: 1;
    animation: fadeIn 0.5s ease-out forwards;
    -webkit-animation: fadeIn 0.5s ease-out forwards; /* Safari compatibility */
    overflow: auto; /* Change to auto instead of just overflow-y */
}

.left-column, .right-column {
    padding: 25px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    height: auto; /* Allow full height */
    min-height: 0; /* Allow column to shrink if needed */
}

.left-column {
    flex: 3.07;
    border-right: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Center calculator vertically */
}

.right-column {
    flex: 1.93;
    position: relative;
}

.calculator {
    margin-top: 0; /* Adjusted from 15px to help with centering */
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-grow: 1;
}

h2, h3 {
    margin-top: 0;
    color: var(--text-color);
}

h1 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.8em;
}

#logo-header {
    color: var(--button-bg);
    text-decoration: none;
}
/* Input grid layout */
.input-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.input-row {
    display: flex;
    gap: 15px;
}

.input-group {
    flex: 1;
    margin-bottom: 0;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    transition: all 0.2s ease;
    transform-origin: left;
}

.input-group:hover label {
    color: var(--button-bg);
    transform: scale(1.02);
}

/* Beautiful Input Styling */
.input-group input[type="date"],
.input-group input[type="time"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--input-border);
    background-color: var(--input-bg);
    color: var(--text-color);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.input-group input[type="date"]:hover,
.input-group input[type="time"]:hover {
    border-color: var(--button-bg);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

.input-group input[type="date"]:focus,
.input-group input[type="time"]:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(var(--button-bg-rgb), 0.25);
    transform: translateY(-1px);
}

/* Adjust appearance of date and time inputs */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: var(--calendar-icon-filter);
    cursor: pointer;
}

/* Reset some browser defaults for date/time inputs */
input[type="date"], input[type="time"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

button {
    padding: 14px 24px;
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

button:hover {
    background-color: var(--button-hover-bg);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

#calculateBtn {
    width: 100%;
    margin-bottom: 20px;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

#calculateBtn::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%);
    transform-origin: 50% 50%;
}

#calculateBtn:hover::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

.output {
    background-color: var(--output-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    margin-top: 10px;
    position: relative;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.output:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

/* Output tabs styling */
.output-tabs {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
}

.tab-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-color);
    flex: 1;
    margin: 0 4px;
}

.tab-btn:first-child {
    margin-left: 0;
}

.tab-btn:last-child {
    margin-right: 0;
}

.tab-btn:hover {
    background-color: var(--button-hover);
}

.tab-btn.active {
    background-color: var(--button-bg);
    color: var(--button-text);
    border-color: var(--button-bg);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.output-content {
    position: relative;
}

#copyResultBtn {
    position: absolute;
    top: 0;
    right: 0;
    background-color: transparent;
    border: none;
    border-radius: 4px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s ease;
    padding: 0;
}

#copyResultBtn:hover {
    background-color: var(--button-hover);
    color: var(--text-color);
}

#copyResultBtn:active {
    transform: translateY(0);
}

#copyResultBtn svg {
    width: 16px;
    height: 16px;
    filter: var(--icon-filter);
}

.output h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--heading-color);
}

#result {
    font-size: 1.3em;
    line-height: 1.4;
    margin: 10px 0;
    word-break: break-word;
    color: var(--result-color);
    font-weight: 500;
    transition: all 0.3s ease;
    padding-right: 35px; /* Make room for copy button */
}

#result.error {
    color: var(--error-color);
    font-size: 1.1em;
    font-weight: normal;
}

.ad-space {
    background-color: var(--ad-bg);  
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.9em;
  /*  border: 1px dashed var(--border-color);  */
    text-align: center;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.ad-728x90 {
    width: 100%;
    max-width: 728px;
    height: 90px;
    min-height: 90px;
    max-height: 250px;
    margin: 0 auto;
}

.ad-300x250 {
    width: 300px;
    height: 250px;
    max-width: 300px;
    max-height: 250px;
    min-height: 250px;
    margin-top: auto;
    align-self: center;
}

.landing, .about {
    margin-bottom: 20px;
}

.landing p, .about p {
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 10px;
}

/* Make paragraphs more concise for better fit */
.landing p:last-child, .about p:last-child {
    margin-bottom: 0;
}

@keyframes subtle-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@media (max-width: 1366px) { 
   section.about {
    max-height: 120px;
    overflow: auto;
}
}

/* Responsive adjustments */
@media (max-width: 900px) {
    body {
        padding: 10px; /* Less padding on smaller screens */
    }

    body .site-header {
        padding: 12px 15px;
        margin-bottom: 8px;
        max-width: calc(100% - 20px) !important;
        width: calc(100% - 20px) !important;
        margin-left: auto !important;
        margin-right: auto !important;
        border-radius: 12px;
        box-sizing: border-box;
    }

    .header-title {
        font-size: 1.1rem;
    }

    .menu li {
        margin-left: 15px;
    }

    body .container, 
    body .footer {
        max-width: calc(100% - 20px) !important;
        width: calc(100% - 20px) !important;
        margin-left: auto !important;
        margin-right: auto !important;
        box-sizing: border-box;
    }

    .container {
        flex-direction: column;
        max-height: none; /* Remove fixed height constraint */
        overflow-y: visible;
        height: auto;
        border-radius: 12px 12px 0 0;
        margin-top: 8px;
    }

    .footer {
        border-radius: 0 0 12px 12px;
    }

    .left-column {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 40px; /* Add more space at the bottom */
        order: 1; /* Ensure left column appears first */
        position: relative;
        z-index: 2;
    }

    .right-column {
        padding-top: 30px; /* Add more space at the top */
        padding-bottom: 30px;
        order: 2; /* Ensure right column appears second */
        position: relative;
        z-index: 1;
    }

    .ad-728x90 {
        height: 60px;
        margin-bottom: 20px;
    }

    .ad-300x250 {
        margin: 20px auto;
        width: 100%;
        max-width: 300px;
    }
    
    /* Ensure proper spacing for calculator elements */
    .calculator {
        margin-bottom: 0;
    }
    
    .output {
        margin-bottom: 20px;
    }
}

@media (max-width: 600px) {
    /* Base styles */
    body {
        padding: 8px;
    }
    
    body .site-header {
        flex-direction: column;
        padding: 10px;
        max-width: calc(100% - 16px) !important;
        width: calc(100% - 16px) !important;
        margin-left: auto !important;
        margin-right: auto !important;
        box-sizing: border-box !important;
        border-radius: 10px;
    }

    .header-left {
        margin-bottom: 10px;
    }

    .menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .menu li {
        margin: 5px 10px;
    }

    body .container, 
    body .footer {
        max-width: calc(100% - 16px) !important;
        width: calc(100% - 16px) !important;
        margin-left: auto !important;
        margin-right: auto !important;
        box-sizing: border-box !important;
    }
    
    .container {
        border-radius: 10px 10px 0 0;
        margin-bottom: 0;
        margin-top: 8px;
        border-bottom: none;
    }
    
    .footer {
        border-radius: 0 0 10px 10px;
        border-top: none; /* Remove top border as it connects to container */
    }
    
    /* Column adjustments */
    .left-column, .right-column {
        padding: 20px 15px;
        width: 100%;
        overflow: visible;
    }
    
    .left-column {
        padding-bottom: 30px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .right-column {
        padding-top: 30px;
    }
    
    /* Typography adjustments */
    h1 {
        font-size: 1.5em;
        margin-top: 15px; /* Add space for theme toggle */
    }
    
    h2 {
        font-size: 1.3em;
        margin-bottom: 15px;
    }
    
    p {
        font-size: 0.9rem;
    }
    
    /* Input fields optimization */
    .input-row {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .input-group label {
        margin-bottom: 5px;
        font-size: 0.9rem;
    }
    
    .input-group input[type="date"],
    .input-group input[type="time"] {
        padding: 10px;
        font-size: 0.95rem;
        height: 44px; /* Larger touch target */
    }
    
    /* Button improvements */
    #calculateBtn {
        margin-bottom: 20px;
        padding: 12px;
        font-size: 1rem;
        height: 48px; /* Larger touch target */
    }
    
    /* Output section */
    .output {
        padding: 15px;
        margin-bottom: 15px;
        border-radius: 8px;
    }
    
    #result {
        font-size: 1.2em;
        word-break: break-word;
    }
    
    /* Copy button */
    #copyResultBtn {
        padding: 5px;
        top: 10px;
        right: 10px;
    }
    
    /* Landing content */
    .landing, .about {
        margin-top: 10px;
        margin-bottom: 20px;
    }
    
    /* Footer improvements */
    .footer {
        padding: 15px 0;
    }
    
    .footer-links {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-links a {
        font-size: 0.85rem;
        padding: 5px;
    }
    
    /* Modal improvements */
    .modal-content {
        width: 95%;
        padding: 20px 15px;
        margin: 5% auto;
        max-height: 85vh;
    }
    
    .close-button {
        top: 10px;
        right: 15px;
    }
    
    /* Fix ad space on mobile */
    .ad-space {
        margin: 15px auto;
    }
     .ad-728x90 {
        height: 250px;
    }
    /* Ensure entire page is scrollable rather than sections */
    html, body {
        overflow-x: hidden;
    }

    /* Responsive adjustments for tabs */
    .output-tabs {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .tab-btn {
        flex: 1 1 calc(50% - 8px);
        font-size: 0.8rem;
        padding: 5px 10px;
        min-width: calc(50% - 8px);
    }
}

@media (max-width: 350px) {
    body {
        padding: 5px;
    }
    
    body .site-header {
        padding: 8px;
        max-width: calc(100% - 10px) !important;
        width: calc(100% - 10px) !important;
        border-radius: 8px;
    }

    .header-logo {
        width: 24px;
        height: 24px;
        margin-right: 8px;
    }

    .header-title {
        font-size: 1rem;
    }

    .menu li {
        margin: 3px 8px;
    }

    body .container, 
    body .footer {
        width: calc(100% - 10px) !important;
        max-width: calc(100% - 10px) !important;
    }
    
    .container {
        border-radius: 8px 8px 0 0;
    }
    
    .footer {
        border-radius: 0 0 8px 8px;
    }
    
    .left-column, .right-column {
        padding: 15px 10px;
    }
    
    h1 {
        font-size: 1.3em;
    }
    
    h2 {
        font-size: 1.1em;
    }
    
    .input-group input[type="date"],
    .input-group input[type="time"] {
        padding: 8px;
        font-size: 0.9rem;
    }
    
    #result {
        font-size: 1.1em;
    }

    .tab-btn {
        flex: 1 1 100%;
        min-width: 100%;
        margin: 3px 0;
    }
    .ad-728x90 {
        height: 250px;
    }
}

/* Update the container::before to match border-radius changes */
.container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 40%, 
        rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
    z-index: 2;
}

@media (max-width: 900px) {
    .container::before {
        border-radius: 12px 12px 0 0;
    }
}

@media (max-width: 600px) {
    .container::before {
        border-radius: 10px 10px 0 0;
    }
}

@media (max-width: 350px) {
    .container::before {
        border-radius: 8px 8px 0 0;
    }
}

/* Nice fade-in animation for the initial load */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Add -webkit-keyframes for Safari compatibility */
@-webkit-keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer Styles */
.footer {
    width: 100%;
    max-width: 1300px; /* Match container max-width */
    padding: 10px 0;
    text-align: center;
    background-color: rgba(var(--card-bg-rgba), 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 12px 12px; /* Round bottom corners only */
    margin: 0 auto; /* Center it */
    position: relative;
    z-index: 1;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    color: var(--link-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
    color: var(--button-bg);
    transform: translateY(-2px);
}

.copyright {
    margin-top: 5px;
    color: var(--text-color);
    font-size: 12px;
    opacity: 0.8;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.modal-content {
    position: relative;
    background-color: var(--card-bg);
    color: var(--text-color);
    margin: 5% auto;
    padding: 30px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.3s ease-out forwards;
}

.close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    color: var(--text-color);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
}

.close-button:hover {
    color: var(--button-bg);
    transform: scale(1.1);
}

.modal-content h2 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--link-color);
    font-size: 24px;
}

.modal-content h3 {
    color: var(--link-color);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 18px;
}

.modal-content p, .modal-content ul {
    margin-bottom: 15px;
    line-height: 1.6;
}

.modal-content ul {
    margin-left: 20px;
}

.modal-content a {
    color: var(--link-color);
    text-decoration: none;
}

.modal-content a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .modal-content {
        width: 90%;
        padding: 20px;
        margin: 10% auto;
    }
    
    .footer-links {
        gap: 15px;
    }
    
    .footer-links a {
        font-size: 12px;
    }
}

/* Header Styles - Base */
.site-header {
    width: 100%;
    max-width: 1300px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    margin-bottom: 10px;
    background-color: rgba(var(--card-bg-rgba), 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(var(--button-bg-rgb), 0.1);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    z-index: 10;
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
}

.header-left {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.logo-link:hover {
    color: var(--link-color);
}

.header-logo {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    filter: var(--icon-filter);
    transition: filter 0.3s ease;
}

.header-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.header-nav {
    display: flex;
    align-items: center;
}

.menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu li {
    margin-left: 20px;
}

.menu a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.menu a:hover {
    color: var(--link-color);
}

/* Content page styles for About and Privacy pages */
.content-page {
    padding: 30px;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.content-page h2 {
    color: var(--link-color);
    margin-bottom: 20px;
    font-size: 24px;
}

.content-page h3 {
    color: var(--link-color);
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 20px;
}

.content-page p {
    margin-bottom: 15px;
}

.content-page ul {
    margin-bottom: 20px;
    margin-left: 20px;
}

.content-page li {
    margin-bottom: 8px;
}

.back-button-container {
    margin-top: 30px;
    text-align: center;
}

.back-button {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--button-bg);
    color: var(--button-text);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (max-width: 600px) {
    .content-page {
        padding: 20px;
    }
}