@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=JetBrains+Mono:wght@400;700&display=swap');

* {
    box-sizing: border-box;
}

:root {
    --spx-bg-main: #000000;
    --spx-bg-card: #0a0a0a;
    --spx-bg-input: #111111;
    
    --spx-text-primary: #e0e0e0;
    --spx-text-secondary: #cccccc;
    --spx-text-muted: #888888;
    --spx-accent: #ffffff;
    --spx-danger: #ff3333;
    
    --spx-border: #333333;
    --spx-border-hover: #ffffff;
    
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --spx-radius: 0px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--spx-bg-main);
    color: var(--spx-text-primary);
    margin: 0;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--spx-border);
    padding-bottom: 20px;
    width: 100%;
    max-width: 1200px;
}

h1 {
    margin: 0;
    color: var(--spx-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    font-size: 2rem;
}

h1 a {
    text-decoration: none;
    color: inherit;
}

h1 a:hover span {
    background: rgba(255,255,255,0.1);
}

.badge {
    background: transparent;
    border: 1px solid var(--spx-accent);
    color: var(--spx-accent);
    font-family: var(--font-mono);
    font-size: 0.5em;
    padding: 2px 0;
    vertical-align: middle;
    margin-left: 10px;
    display: inline-flex;
    width: 52px;
    height: 22px;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    line-height: 1;
    letter-spacing: 0;
}

h1 a:hover .badge {
    background: rgba(255,255,255,0.1);
}

p.subtitle {
    font-family: var(--font-mono);
    color: var(--spx-text-muted);
    margin-top: 5px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.main-container {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    width: 100%;
    max-width: 1200px;
    justify-content: center;
    align-items: flex-start;
}

.control-panel {
    flex: 1;
    min-width: 320px;
    background: var(--spx-bg-card);
    padding: 24px;
    border: 1px solid var(--spx-border);
    height: fit-content;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--spx-text-muted);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

input[type="file"] {
    display: none;
}

.file-label {
    display: block;
    background: transparent;
    border: 1px dashed var(--spx-border);
    color: var(--spx-accent);
    text-align: center;
    padding: 20px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: 0.2s;
    font-weight: 700;
}

.file-label:hover {
    border-color: var(--spx-accent);
    background: rgba(255,255,255,0.05);
}

.btn-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn {
    font-family: var(--font-mono);
    padding: 12px;
    border: 1px solid var(--spx-border);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: all 0.2s ease;
    background: transparent;
    color: var(--spx-text-muted);
    letter-spacing: 0.05em;
    text-align: center;
}

.btn:hover:not(:disabled) {
    background: var(--spx-accent);
    color: var(--spx-bg-main);
    border-color: var(--spx-accent);
}

.btn-reset:hover:not(:disabled) {
    background: var(--spx-danger);
    color: white;
    border-color: var(--spx-danger);
}

.btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    border-color: var(--spx-border);
}

.canvas-area {
    flex: 2;
    min-width: 320px;
    display: flex;
    flex-direction: column;
}

.canvas-wrapper {
    position: relative;
    border: 1px solid var(--spx-border);
    background: var(--spx-bg-input);
    min-height: 500px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

canvas {
    max-width: 100%;
    height: auto;
    display: block;
    cursor: crosshair; 
}

.magnifier {
    display: none;
    position: absolute;
    border: 1px solid var(--spx-accent);
    width: 150px;
    height: 150px;
    background-repeat: no-repeat;
    background-color: var(--spx-bg-main);
    z-index: 10;
    pointer-events: none;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.info-box {
    text-align: left;
    background: var(--spx-bg-input);
    padding: 15px;
    border: 1px solid var(--spx-border);
    max-height: 250px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--spx-text-secondary);
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.5;
}

.info-box strong {
    color: var(--spx-accent);
}

.guide {
    font-size: 0.75rem;
    color: var(--spx-text-muted);
    line-height: 1.6;
    margin-top: 10px;
}

.guide strong {
    color: var(--spx-text-secondary);
    font-family: var(--font-mono);
}

.loading-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.85);
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--spx-accent);
    font-family: var(--font-mono);
    text-transform: uppercase;
    z-index: 20;
    backdrop-filter: blur(2px);
}

.tip-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--spx-text-muted);
    margin-top: 10px;
    text-align: right;
    text-transform: uppercase;
}