:root {
    --color-black: #000000;
    --color-dark-gray: #1a1a1a;
    --color-mid-gray: #333333;
    --color-light-gray: #888888;
    --color-lighter-gray: #cccccc;
    --color-white: #ffffff;
    --color-accent: #ff3b30;
    
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-harsh: 15px 15px 0px rgba(0, 0, 0, 0.8);
    --shadow-inset: inset 3px 3px 10px rgba(0, 0, 0, 0.2);
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    
    --border-thin: 1px;
    --border-thick: 3px;
    --border-chunky: 8px;
    
    --angle-tilt: -3deg;
}

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

body {
    font-family: 'Work Sans', sans-serif;
    background-color: var(--color-dark-gray);
    color: var(--color-white);
    line-height: 1.6;
    min-height: 100vh;
    padding: var(--space-lg);
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.app-header {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-lg);
    transform: rotate(var(--angle-tilt));
    margin-left: var(--space-lg);
}

.app-title {
    font-family: 'Space Mono', monospace;
    font-size: 3.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.05em;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
    border-bottom: var(--border-thick) solid var(--color-white);
    padding-bottom: var(--space-xs);
    align-self: flex-start;
}

.app-subtitle {
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-light-gray);
    align-self: flex-start;
}

.swap-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

@media (max-width: 768px) {
    .swap-container {
        grid-template-columns: 1fr;
    }
}

.upload-section {
    background-color: var(--color-mid-gray);
    padding: var(--space-lg);
    box-shadow: var(--shadow-harsh);
    position: relative;
}

.upload-section:nth-child(even) {
    margin-top: var(--space-lg);
}

.section-label {
    position: absolute;
    top: -20px;
    left: 20px;
    background-color: var(--color-black);
    padding: var(--space-xs) var(--space-md);
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.upload-area {
    border: var(--border-thin) dashed var(--color-light-gray);
    padding: var(--space-lg);
    text-align: center;
    margin-bottom: var(--space-lg);
    background-color: var(--color-dark-gray);
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--color-white);
    background-color: rgba(255,255,255,0.05);
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    color: var(--color-light-gray);
}

.upload-text {
    font-size: 0.9rem;
    color: var(--color-lighter-gray);
}

.preview-container {
    position: relative;
    margin-top: var(--space-md);
    display: none;
}

.preview-image {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border: var(--border-thin) solid var(--color-light-gray);
    background-color: var(--color-dark-gray);
}

.delete-image {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background-color: var(--color-black);
    border: var(--border-thin) solid var(--color-light-gray);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-family: 'Space Mono', monospace;
    transition: all 0.2s ease;
    z-index: 5;
}

.delete-image:hover {
    background-color: var(--color-accent);
    transform: scale(1.1);
}

.control-section {
    margin-top: var(--space-xl);
    background-color: var(--color-black);
    padding: var(--space-lg);
    transform: rotate(var(--angle-tilt));
    box-shadow: var(--shadow-harsh);
    position: relative;
    z-index: 10;
}

.swap-button {
    display: block;
    width: 100%;
    padding: var(--space-lg);
    background-color: var(--color-mid-gray);
    border: none;
    color: var(--color-white);
    font-family: 'Space Mono', monospace;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.swap-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: all 0.6s ease;
}

.swap-button:hover::before {
    left: 100%;
}

.swap-button:hover {
    background-color: var(--color-light-gray);
    box-shadow: var(--shadow-soft);
}

.swap-button:active {
    transform: translateY(2px);
}

.result-section {
    margin-top: var(--space-lg);
    padding: var(--space-lg);
    background-color: var(--color-mid-gray);
    box-shadow: var(--shadow-harsh);
    display: none;
    position: relative;
}

.result-image {
    width: 100%;
    max-height: 90vh; /* Limit height to 90% of viewport */
    object-fit: contain;
    box-shadow: var(--shadow-soft);
    border: var(--border-thick) solid var(--color-white);
    display: none; /* Hide initially */
}

.processing-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    flex-direction: column;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--color-dark-gray);
    border-top: 5px solid var(--color-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-md);
}

.processing-text {
    font-family: 'Space Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    animation: pulse 2s infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.hidden-input {
    display: none;
}

.diagonal-line {
    position: absolute;
    height: 1px;
    background-color: var(--color-light-gray);
    width: 100%;
    transform: rotate(-45deg);
    transform-origin: center center;
    top: 50%;
    left: 0;
    z-index: -1;
}

.angular-decoration {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 400px;
    height: 400px;
    border-left: var(--border-chunky) solid var(--color-white);
    border-top: var(--border-chunky) solid var(--color-white);
    opacity: 0.1;
    z-index: -5;
}

.error-message {
    color: #ff4d4d;
    margin-top: var(--space-md);
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
    display: none;
}

/* Add this for smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Add this to your existing styles */
.download-button {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--color-black);
    border: var(--border-thin) solid var(--color-light-gray);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-family: 'Space Mono', monospace;
    transition: all 0.2s ease;
    z-index: 5;
    font-size: 1.5rem;
}

.download-button:hover {
    background-color: var(--color-mid-gray);
    transform: scale(1.1);
    border-color: var(--color-white);
}

.download-button::after {
    content: "⤓";
    display: block;
}

/* Add this to your style.css file or keep it inline */
.result-section {
    margin-top: var(--space-lg);
    padding: var(--space-xl);
    background-color: var(--color-mid-gray);
    box-shadow: var(--shadow-harsh);
    display: none;
    position: relative;
}

.result-image {
    width: 100%;
    max-height: 90vh; /* Limit height to 90% of viewport */
    object-fit: contain;
    box-shadow: var(--shadow-soft);
    border: var(--border-thick) solid var(--color-white);
    display: none; /* Hide initially */
}

/* Add this class for smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Add this to your existing styles */
.download-button {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--color-black);
    border: var(--border-thin) solid var(--color-light-gray);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-family: 'Space Mono', monospace;
    transition: all 0.2s ease;
    z-index: 5;
    font-size: 1.5rem;
}

.download-button:hover {
    background-color: var(--color-mid-gray);
    transform: scale(1.1);
    border-color: var(--color-white);
}

.download-button::after {
    content: "⤓";
    display: block;
}