/* Base styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    text-align: center;
    margin: 0;
    padding: 20px;
    background-color: #ffffff;
    color: #111111;
}

/* Layout */
.container {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    background-color: white;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    box-sizing: border-box;
}

/* Typography */
.status {
    margin: 15px 0;
    font-weight: 600;
    color: #333333;
    /* Errors here carry hashes and addresses. `anywhere` rather than `break-word` because only it
       lets the break count towards the element's minimum width - without it one unbroken
       66-character hash widens the page past the viewport and the layout scrolls sideways. It
       breaks the rendered line only, so a hash still copies as one string. */
    overflow-wrap: anywhere;
    /* Several of those errors list one hash per line. */
    white-space: pre-wrap;
}

/* Names the inputs for assistive technology while the placeholders carry the visual hint. Not
   `display: none`, which would take the label out of the accessibility tree with it. */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Form elements */
textarea, select, input[type="text"] {
    width: 100%;
    margin: 10px 0;
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    font-family: monospace;
    box-sizing: border-box;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    font-size: 16px;
}

textarea {
    height: 120px;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 1em;
}

.input-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.input-group input[type="text"] {
    flex-grow: 1;
    margin-right: 10px;
}

button#pasteBtn {
    padding: 0;
    width: 51px;
    height: 51px;
    max-width: none;
    margin: 0;
    flex-shrink: 0;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

button#pasteBtn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

button#pasteBtn:hover {
    background-color: #e00319;
    transform: none;
    box-shadow: none;
}

button {
    background-color: #FF0420;
    color: white;
    border: none;
    padding: 12px 24px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    font-weight: 600;
    margin: 15px 2px;
    cursor: pointer;
    border-radius: 50px;
    width: 100%;
    max-width: 250px;
    transition: all 0.2s ease;
}

button:hover {
    background-color: #e00319;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255,4,32,0.2);
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* QR code display */
.qr-container {
    position: relative;
    width: 90%;
    max-width: 300px;
    height: auto;
    aspect-ratio: 1/1;
    margin: 20px auto;
    background-color: white;
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

#qrcode {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#qrcode img {
    max-width: 100%;
    max-height: 100%;
}

/* Beats #qrcode img on max-width. */
#qrcode .default-sunny {
    max-width: 95%;
    border-radius: 8px;
    margin: 20px auto;
}

.qr-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.9);
    z-index: 10;
    border-radius: 16px;
}

/* Initial state; JS toggles it via the inline display property. */
.qr-overlay.hidden {
    display: none;
}

/* Progress bar */
.qr-overlay progress {
    width: 80%;
    height: 8px;
    margin-top: 15px;
    border: none;
    border-radius: 4px;
    overflow: hidden;
}

.qr-overlay progress::-webkit-progress-bar {
    background-color: #f0f0f0;
    border-radius: 4px;
}

.qr-overlay progress::-webkit-progress-value {
    background-color: #FF0420;
    border-radius: 4px;
}

.qr-overlay progress::-moz-progress-bar {
    background-color: #FF0420;
    border-radius: 4px;
}

/* Chunk visualization */
.chunks-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin: 20px auto;
    max-width: 600px;
    padding: 10px;
    background-color: #f5f5f5;
    border-radius: 12px;
}

.chunk-indicator {
    width: 28px;
    height: 28px;
    background-color: #e0e0e0;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin: 3px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    color: #333333;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.chunk-indicator.current {
    background-color: #FF0420;
    color: white;
    animation: pulse 1s infinite;
    box-shadow: 0 0 8px rgba(255, 4, 32, 0.5);
}

@keyframes pulse {
    0% { transform: scale(1.05); opacity: 0.8; }
    50% { transform: scale(1.15); opacity: 1; }
    100% { transform: scale(1.05); opacity: 0.8; }
}

/* Responsive design */
@media (min-width: 768px) {
    body {
        padding: 30px;
    }
    .container {
        padding: 30px;
    }
    h1 {
        font-size: 36px;
    }
    p {
        font-size: 18px;
    }
    textarea {
        height: 150px;
    }
    button {
        width: auto;
    }
    .chunk-indicator {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
}

/* Verify mode */
.verify-mode {
    margin-top: 24px;
    text-align: left;
}

.verify-panel:empty {
    display: none;
}

.verify-panel h3 {
    font-size: 14px;
    margin: 20px 0 8px;
}

.verify-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid #eee;
}

.verify-label {
    flex: 0 0 110px;
    color: #666;
    font-size: 13px;
}

.verify-value {
    flex: 1 1 200px;
    font-family: monospace;
    font-size: 13px;
    /* See .status: break-all wraps the line but leaves the intrinsic minimum width unchanged. */
    word-break: break-all;
    overflow-wrap: anywhere;
    min-width: 0;
}

/* A hash the contract and the local recomputation disagree on must not read as ordinary output. */
.verify-warn .verify-value,
.verify-warn .verify-label {
    color: #FF0420;
    font-weight: 600;
}

.verify-decode {
    background: #f5f5f5;
    border-radius: 12px;
    padding: 12px;
    font-size: 12px;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-wrap: anywhere;
    overflow-x: auto;
}

.verify-note {
    font-size: 12px;
    color: #666;
}

/* A version indicator, not an integrity check: serve-time injection never touches the artifact
   this digest describes. */
.build-info {
    margin-top: 16px;
    font-family: monospace;
    font-size: 11px;
    color: #999;
}

/* Netlify's deploy-preview widget cannot reach the page any more (see index.html), and could not
   position itself without an inline style if it did. Kept as the last line of that defence. */
[data-netlify-deploy-id] {
    display: none;
}