:root {
    --bg-color: #f3f0e3; /* Light cream/beige from the main area */
    --primary-color: #979aff; /* Muted green from sidebar */
    --accent-yellow: #ffde68; /* Yellow from profile card */
    --accent-pink: #aaffd2; /* Pink from stats card - approximated */
    --card-bg: #ffffff;
    --text-color: #000000;
    --border-width: 3px;
    --shadow-offset: 4px;
    --font-family: 'Courier New', Courier, monospace; /* Monospace for that raw feel */
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--primary-color);
    color: var(--text-color);
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Utilities */
.neo-box {
    background-color: var(--card-bg);
    border: var(--border-width) solid var(--text-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--text-color);
}

.neo-btn {
    background-color: var(--accent-yellow);
    border: var(--border-width) solid var(--text-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--text-color);
    color: var(--text-color);
    padding: 10px 20px;
    font-weight: bold;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.1s;
    text-transform: uppercase;
}

.neo-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px 0px var(--text-color);
}

.neo-input {
    width: 100%;
    padding: 10px;
    border: var(--border-width) solid var(--text-color);
    margin-bottom: 15px;
    font-family: inherit;
    background: #fff;
    outline: none;
}

.neo-input:focus {
    background-color: #f0f0f0;
}

/* Layout */
header {
    background-color: var(--primary-color);
    padding: 15px 20px;
    border-bottom: var(--border-width) solid var(--text-color);
    display: flex;
    align-items: center;
}

.logo-box {
    background-color: var(--card-bg);
    border: var(--border-width) solid var(--text-color);
    padding: 5px 10px;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 2px 2px 0px 0px var(--text-color);
}

main {
    flex: 1;
    display: flex;
    padding: 40px;
    gap: 40px;
    background-color: var(--bg-color);
    overflow: hidden; /* For split view */
}

.split-container {
    display: flex;
    width: 100%;
    height: 100%;
    gap: 40px;
}

.left-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.right-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Upload Zone */
.upload-zone {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--accent-yellow);
    border: var(--border-width) solid var(--text-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--text-color);
    cursor: pointer;
    transition: background-color 0.2s;
    position: relative;
    overflow: hidden; /* Prevent spillover */
    min-width: 0; /* Flexbox safety */
}

.upload-zone.dragover {
    background-color: #eec22e; /* Darker yellow */
}

.upload-zone input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.upload-text {
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
    max-width: 90%;
    word-break: break-word; /* Handle long words nicely */
    line-height: 1.4;
}

/* Options Form */
.options-card {
    background-color: var(--card-bg);
    padding: 30px;
    border: var(--border-width) solid var(--text-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--text-color);
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.range-wrap {
    margin-bottom: 15px;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    border-top: var(--border-width) solid var(--text-color);
    padding: 10px;
    text-align: center;
    font-size: 0.8rem;
}

/* Response/Result Modal or Area */
.result-area {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--accent-pink);
    border: var(--border-width) solid var(--text-color);
    display: none; /* Hidden by default */
}

.result-link {
    word-break: break-all;
    background: white;
    padding: 5px;
    border: 2px solid black;
    margin-top: 5px;
    display: block;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .split-container {
        flex-direction: column;
        overflow-y: auto;
    }
    
    main {
        padding: 20px;
        overflow-y: auto;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-box {
    background-color: var(--card-bg);
    border: var(--border-width) solid var(--text-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--text-color);
    width: 100%;
    max-width: 400px;
}

.modal-header {
    background-color: var(--primary-color);
    padding: 10px;
    border-bottom: var(--border-width) solid var(--text-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

.modal-close-btn {
    background: none;
    border: none;
    font-weight: bold;
    font-size: 1.2rem;
    cursor: pointer;
}

.modal-body {
    padding: 20px;
    text-align: center;
}