@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
    --bg: #0e0f13;
    --surface: #16171d;
    --input-bg: #1c1d26;
    --border: #2a2b35;
    --text-title:#A2C754;
    --text-subtitle: #9cb664;
    --text: #e2e4ed;
    --text-dim: #9496a8;
    --accent: #445d9c;
    --accent-lighter: #718fdb;
    --accent-glow: rgba(108, 122, 224, 0.15);
    --accent-lighter-glow: rgba(113, 143, 219, 0.35);
    --accent-lighter-tint: rgba(113, 143, 219, 0.18);
    --success: #A2C754; /* Android-like green, matching the icon */
    --success-glow: rgba(162, 199, 84, 0.3);
    --error: #e04040;
    --error-bg: rgba(224, 64, 64, 0.1);
    --error-border: rgba(224, 64, 64, 0.3);
    --warning: #fbbf24;
    --radius: 12px;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.container {
    width: 100%;
    max-width: 520px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 32px;
    border-top: 3px solid var(--success);
}

.brand-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 6px;
}

.brand-header::after {
    content: '';
    width: 44px;
    flex-shrink: 0;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: var(--accent-glow);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--text-title);
}

h1 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
    letter-spacing: -0.02em;
    color: var(--text-title);
    text-shadow: 0 0 24px var(--success-glow);
}

.subtitle {
    color: var(--text-subtitle);
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 28px;
    text-align: center;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

/* Drop zone */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    background: var(--input-bg);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    position: relative;
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--success);
    background: var(--accent-glow);
}


.dropzone-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    border-radius: 10px;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropzone-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent);
}

.dropzone-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.dropzone-hint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.dropzone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* Selected file display */
.file-info {
    display: none;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.file-info.visible { display: flex; }

.file-info-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-info-icon svg {
    width: 18px;
    height: 18px;
    stroke: var(--accent);
}

.file-info-text {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 2px;
}

.file-remove {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: color 0.15s;
}

.file-remove:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.file-remove:hover { color: var(--error); }

/* Build button */
.build-btn {
    width: 100%;
    margin-top: 20px;
    padding: 14px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--accent);
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s, box-shadow 0.2s, border-color 0.2s;
    letter-spacing: 0.02em;
}

.build-btn:hover:not(:disabled) {
    background: var(--accent-lighter);
    box-shadow: 0 0 16px var(--accent-lighter-glow);
    border-color: var(--accent-lighter);
}
.build-btn:active:not(:disabled) { transform: scale(0.99); }
.build-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Progress */
.progress-section {
    display: none;
    margin-top: 20px;
}

.progress-section.visible { display: block; }

.progress-bar-track {
    width: 100%;
    height: 6px;
    background: var(--bg);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.3s;
}

.progress-bar-fill.indeterminate {
    width: 28%;
    animation: indeterminate 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.progress-bar-fill.status-progress {
    background: var(--accent);
    animation-duration: 2.4s;
}

.progress-bar-fill.status-queued {
    background: var(--warning);
    animation-duration: 3.6s;
}

.progress-bar-fill.status-building {
    background: var(--success);
    animation-duration: 2.4s;
}

@keyframes indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

.progress-status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.progress-status {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
}

.progress-timer {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-variant-numeric: tabular-nums;
    opacity: 0;
}

.progress-timer.active {
    opacity: 1;
    transition: opacity 3s ease;
}

/* Result */
.result {
    display: none;
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.result.visible { display: block; }

.result.success {
    background: none;
    border: none;
    color: var(--success);
    text-align: center;
}

.result.error {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error);
}

.download-btn {
    display: inline-block;
    margin-top: 12px;
    padding: 10px 24px;
    background: var(--success);
    color: var(--bg);
    border: none;
    border-radius: 8px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.15s, transform 0.15s;
    letter-spacing: 0.02em;
}

.download-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

/* Signing section */
.signing-section {
    margin-top: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
}

.signing-toggle {
    padding: 14px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-dim);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.signing-toggle::-webkit-details-marker { display: none; }

.signing-chevron {
    transition: transform 0.2s;
    flex-shrink: 0;
    color: var(--text-dim);
}

.signing-section[open] .signing-chevron {
    transform: rotate(90deg);
}

.signing-fields {
    padding: 0 16px 16px;
}

.field-row {
    margin-bottom: 12px;
}

.field-row label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 4px;
}

.field-row input[type="text"],
.field-row input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: #fff;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.15s;
}

.field-row input::placeholder {
    color: var(--text-dim);
}

.field-row input:focus {
    border-color: var(--success);
}

/* Mini drop zones */
.mini-dropzone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    background: var(--input-bg);
    padding: 20px 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    position: relative;
}

.mini-dropzone:hover,
.mini-dropzone.dragover {
    border-color: var(--success);
    background: var(--accent-glow);
}

.mini-dropzone-label {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.mini-dropzone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.mini-file-info {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 8px;
}

.mini-file-info.visible {
    display: flex;
}

.mini-file-name {
    flex: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Drop zone icon preview */
.icon-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.icon-preview img {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.icon-preview-info {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.dn-details {
    margin-top: 4px;
    margin-bottom: 12px;
}

.dn-toggle {
    font-size: 0.8rem;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px 0;
}

/* Selector bars (signing mode + platform) */
.mode-selector {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--bg);
    border-radius: 8px;
    padding: 4px;
}

.selector-btn {
    flex: 1;
    padding: 8px 4px;
    border: none;
    border-radius: 6px;
    background: var(--surface);
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, box-shadow 0.15s;
    box-shadow: none;
    white-space: nowrap;
}

.selector-btn:hover:not(:disabled) {
    color: #fff;
    background: var(--accent-lighter-tint);
}

.selector-btn.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 10px var(--accent-lighter-glow);
}

.selector-btn.active:hover {
    background: var(--accent);
    color: #fff;
}

.selector-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    position: relative;
    overflow: hidden;
}

.selector-btn:disabled::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 4px,
        rgba(255, 255, 255, 0.07) 4px,
        rgba(255, 255, 255, 0.07) 5px
    );
    pointer-events: none;
}

/* Wrapper for disabled buttons — receives hover since disabled buttons cannot */
.selector-btn-wrapper {
    flex: 1;
    display: flex;
    position: relative;
    cursor: not-allowed;
}

.selector-btn-wrapper .selector-btn {
    flex: 1;
}

/* Styled tooltip */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
}

/* Form error */
.error,
.field-row input.error[type="text"],
.field-row input.error[type="password"] {
    border-color: var(--error) !important;
    background: var(--error-bg) !important;
}

/* QR code */
.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    gap: 12px;
}

.qr-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
}

.qr-label.progress-status {
    margin-top: 0;
}

.result-status-line {
    display: block;
    margin-top: 0;
    font-size: 1rem;
    color: var(--success);
}

.result-keystore-note {
    display: block;
    margin-top: 6px;
    color: var(--text);
}

.download-actions {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.download-actions .download-btn {
    flex: 1;
    display: block;
    text-align: center;
    margin-top: 0;
}

.download-btn-keystore {
    background: var(--accent);
    color: #fff;
}

.qr-container img {
    display: block;
    border-radius: 10px;
    padding: 12px;
    background: #fff;
}