:root {
    /* Theme Variables */
    --bg: #181a20;
    --panel: #23262f;
    --accent: #4f8cff;
    --text: #f1f1f1;
    --border: #333;
    --input-bg: #23262f;
    --input-border: #444;
    --input-focus: #4f8cff;
    --border-radius: 6px;
    --spacing-sm: 4px;
    --spacing-md: 8px;
    --spacing-lg: 16px;
    --sidebar-width: 280px;

    /* Pin Options */
    --pin-size: 37mm;
    --pin-count: 10;
    --pin-padding: 1mm;
    --pin-gap: 5mm;
    --pin-background: #ffffff;
    --pin-border-style: 1px solid #666;
    --pin-fit: contain;
    --pin-show-border: 1;
}
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}
body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', Arial, sans-serif;
    display: flex;
    flex-direction: column;
}
.app-container {
    display: flex;
    flex-direction: row;
    height: 100vh;
    width: 100vw;
    box-sizing: border-box;
    overflow: hidden;
}
.controls {
    background: var(--panel);
    width: var(--sidebar-width);
    height: 100vh;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    overflow-y: auto;
    box-sizing: border-box;
}
.control-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}
.control-buttons {
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
}
.control-buttons button {
    flex: 1;
    margin: 0;
}
.control-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    position: relative;
}
label {
    font-size: 0.9em;
    margin-bottom: var(--spacing-sm);
    color: var(--text);
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
label span[title] {
    opacity: 0.6;
    font-size: 0.9em;
}
input[type="number"],
input[type="file"],
input[type="color"] {
    background: var(--input-bg);
    color: var(--text);
    border: 1.5px solid var(--input-border);
    border-radius: var(--border-radius);
    padding: 8px 12px;
    font-size: 0.95em;
    width: 100%;
    box-sizing: border-box;
    transition: all 0.2s ease;
}
input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="color"] {
    height: 36px;
    padding: 2px 4px;
    cursor: pointer;
}
input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}
input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}
input[type="file"] {
    padding: 6px;
    cursor: pointer;
    font-size: 0.9em;
}
input[type="file"]::-webkit-file-upload-button {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 8px 12px;
    margin-right: 12px;
    cursor: pointer;
    font-size: 0.95em;
}
.control-group label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--input-border);
    border-radius: 4px;
    margin: 0;
    display: grid;
    place-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.control-group label input[type="checkbox"]:checked {
    background: var(--accent);
    border-color: var(--accent);
}
.control-group label input[type="checkbox"]:checked::before {
    content: "✓";
    color: white;
    font-size: 12px;
    transform: scale(1.2);
}
.radio-group {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: 4px;
    padding: 8px 12px;
    background: var(--input-bg);
    border-radius: var(--border-radius);
    border: 1.5px solid var(--input-border);
}
.radio-group label {
    margin: 0;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: normal;
}
.radio-group input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 2px solid var(--input-border);
    border-radius: 50%;
    margin: 0;
    display: grid;
    place-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.radio-group input[type="radio"]:checked {
    border-color: var(--accent);
}
.radio-group input[type="radio"]:checked::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    transform: scale(1);
}
input:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(79, 140, 255, 0.1);
}
button {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    padding: 10px var(--spacing-lg);
    font-size: 0.95em;
    font-weight: 500;
    cursor: pointer;
    flex: 1;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}
button:hover {
    background: #3a7aef;
}
button:active {
    transform: translateY(1px);
}
button:disabled {
    background: var(--input-border);
    cursor: not-allowed;
    opacity: 0.7;
}
input:not(:disabled):hover,
.radio-group:hover {
    border-color: var(--input-focus);
}
input,
button,
.radio-group {
    transition: all 0.2s ease;
}
.preview-wrapper {
    position: relative;
    flex: 1;
    height: 100vh;
    max-height: 100vh;
    background: var(--bg);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--spacing-lg);
    transition: padding 0.3s ease;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
    box-sizing: border-box;
}

/* Webkit scrollbar styling */
.preview-wrapper::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.preview-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.preview-wrapper::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 4px;
    border: 2px solid var(--bg);
}

.preview-wrapper::-webkit-scrollbar-corner {
    background: transparent;
}

#preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pin-gap);
    align-content: flex-start;
    box-sizing: border-box;
    width: 210mm;
    min-height: 297mm;
    height: fit-content;
    padding: 10mm;
    margin: 0 auto;
    background: white;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    transition: gap 0.3s ease;
}
.print-image {
    /* Calculate the total size including padding */
    width: calc(var(--pin-size));
    height: calc(var(--pin-size));
    /* Create a wrapper for the image that includes padding */
    position: relative;
    border-radius: 50%;
    background-color: var(--pin-background);
    box-sizing: border-box;
    padding: var(--pin-padding);
    outline: 1px solid #666;
    outline-offset: 1px;
    transition: 
        width 0.3s ease,
        height 0.3s ease,
        padding 0.3s ease,
        background-color 0.3s ease,
        outline 0.2s ease;
}

.print-image img {
    /* The actual image takes up the full space minus padding */
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: var(--pin-fit);
    display: block;
}

.print-image.no-border {
    outline: none;
}
.image-thumb {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--accent);
    margin-right: 10px;
    vertical-align: middle;
    box-shadow: 0 1px 4px #0002;
}
input[type="checkbox"] {
    margin-right: var(--spacing-sm);
    vertical-align: middle;
}
input[type="checkbox"] + span {
    vertical-align: middle;
}
@media (max-width: 900px) {
    .app-container {
        flex-direction: column;
        height: 100vh;
        overflow: hidden;
    }
    .controls {
        width: 100%;
        height: auto;
        max-height: 40vh;
        overflow-y: auto;
    }
    .preview-wrapper {
        height: 60vh;
        padding: var(--spacing-md);
    }
    .control-buttons {
        position: sticky;
        bottom: 0;
        background: var(--panel);
        padding: var(--spacing-md) 0 0 0;
        margin: 0;
        z-index: 1;
    }
    #preview {
        width: calc(100% - var(--spacing-md) * 2);
        min-height: 0;
        padding: 5mm;
    }
    .preview-loading {
        width: 80%;
        max-width: 300px;
        box-sizing: border-box;
    }
}
@media (max-width: 700px) {
    .controls {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm) var(--spacing-sm);
    }
    .preview-wrapper {
        padding: var(--spacing-md);
    }
    #preview {
        width: calc(100vw - var(--spacing-lg));
        height: auto;
        min-height: 0;
        padding: 2mm;
    }
}
@media print {
    .controls { 
        display: none !important; 
    }
    html, body {
        background: #fff !important;
        color: #000 !important;
        margin: 0;
        padding: 0;
        width: 210mm;
        height: 297mm;
        overflow: visible;
    }
    .app-container {
        height: 297mm;
        display: block;
    }
    .preview-wrapper {
        width: 210mm !important;
        height: 297mm !important;
        margin: 0;
        padding: 0 !important;
        display: block;
        overflow: visible !important;
        background: #fff !important;
    }
    #preview {
        width: 210mm !important;
        height: 297mm !important;
        margin: 0 !important;
        padding: 10mm !important;
        background: #fff !important;
        overflow: visible !important;
    }
}

/* Numeric input wrapper */
.number-input-wrapper {
    position: relative;
    display: flex;
    align-items: stretch;
    width: 100%;
}

.number-input-wrapper input[type="number"] {
    padding-right: 64px;
    text-align: left;
}

.number-controls {
    position: absolute;
    right: 1px;
    top: 1px;
    bottom: 1px;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--input-border);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    overflow: hidden;
    width: 24px;
}

.number-control-btn {
    border: none;
    background: var(--input-bg);
    color: var(--text);
    padding: 0;
    margin: 0;
    height: 50%;
    width: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.number-control-btn:hover {
    background: var(--accent);
    color: white;
}

.number-control-btn:active {
    transform: none;
    opacity: 0.8;
}

.number-control-btn .material-icons-outlined {
    font-size: 16px;
}

.number-control-btn:first-child {
    border-bottom: 1px solid var(--input-border);
}

/* Loading state for preview */
.preview-loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--panel);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    color: var(--text);
    opacity: 1;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.preview-loading .material-icons-outlined {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.preview-loading.fade-out {
    opacity: 0;
}

/* Enhance radio group */
.radio-group {
    background: var(--input-bg);
    border-radius: var(--border-radius);
    border: 1.5px solid var(--input-border);
    padding: 4px;
    display: flex;
    gap: 4px;
}

.radio-group label {
    flex: 1;
    padding: 6px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.radio-group input[type="radio"]:checked + span {
    color: var(--accent);
}

.radio-group label:has(input[type="radio"]:checked) {
    background: rgba(79, 140, 255, 0.1);
}

/* Enhance file input */
.file-input-wrapper {
    position: relative;
    width: 100%;
}

.file-input-wrapper input[type="file"] {
    width: 100%;
    padding: 8px;
    padding-left: 36px;
}

.file-input-wrapper .material-icons-outlined {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text);
    opacity: 0.7;
    pointer-events: none;
}

/* Enhance color input */
.color-input-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.color-input-wrapper input[type="color"] {
    width: 60px;
    padding: 2px;
}

.color-preview {
    flex: 1;
    height: 36px;
    border-radius: var(--border-radius);
    border: 1.5px solid var(--input-border);
    transition: all 0.3s ease;
    background-color: var(--pin-background);
}

/* Mobile enhancements */
@media (max-width: 900px) {
    .controls {
        padding: var(--spacing-md);
    }
    
    .control-buttons {
        position: sticky;
        bottom: 0;
        background: var(--panel);
        padding: var(--spacing-md) 0 0 0;
        margin: 0;
        z-index: 1;
    }

    .preview-wrapper {
        padding: var(--spacing-md);
    }

    #preview {
        border-radius: 6px;
    }
}