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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
    animation: fadeIn 0.6s ease-in;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.header p {
    font-size: 1.1em;
    opacity: 0.9;
}

.card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: slideUp 0.6s ease-out;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.card-header h2 {
    flex: 1;
}

.output-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    position: relative;
}

.export-controls {
    width: 190px;
    display: inline-flex;
    justify-content: flex-end;
}

.export-controls .btn-download {
    width: 190px;
    justify-content: center;
}

.export-mode {
    width: 190px;
    display: none;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.export-mode.open {
    display: inline-flex;
}

.btn-export {
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.btn-export-cancel {
    width: 38px;
    padding: 0;
    justify-content: center;
    font-size: 1.1em;
    font-weight: 900;
    border-radius: 10px;
}

.btn-download {
    box-shadow: none;
}

.btn-download.active {
    background: #111827;
    color: #ffffff;
}

.card-header h2 {
    color: #333;
    font-size: 1.4em;
}

.icon {
    width: 28px;
    height: 28px;
    color: #667eea;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 600;
    font-size: 0.9em;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f9f9f9;
}

input[type="text"]:focus,
textarea:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea {
    min-height: 180px;
    resize: vertical;
    line-height: 1.6;
}

.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-row {
    display: inline-flex;
    align-items: stretch;
    gap: 12px;
}

.btn-icon {
    width: 52px;
    padding: 0;
    justify-content: center;
}

.btn-icon svg {
    display: block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #e5e7eb;
    color: #374151;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.result-box {
    margin-top: 20px;
    padding: 20px;
    border-radius: 12px;
    max-height: 500px;
    overflow: auto;
    animation: fadeIn 0.4s ease-in;
}

.result-tile {
    min-height: 160px;
}

.resizable-vertical {
    resize: vertical;
    overflow: auto;
    max-height: 70vh;
}

.result-box {
    min-height: inherit;
    height: 100%;
}

.result-tile .result-box {
    margin-top: 0;
    max-height: none;
}

.result-box.success table {
    width: 100%;
}

.row-select {
    width: 44px;
}

.row-select input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #111827;
    cursor: pointer;
}

.result-box.success {
    background: #f0fdf4;
    border: 2px solid #86efac;
}

.result-box.error {
    background: #fef2f2;
    border: 2px solid #fca5a5;
    color: #dc2626;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 0.9em;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

th {
    background: #667eea;
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
}

th.sortable {
    cursor: pointer;
    user-select: none;
}

th.sortable:hover {
    filter: brightness(0.98);
}

th.sortable .th-wrap {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

th.sortable .sort-indicator {
    width: 10px;
    display: inline-block;
    opacity: 0.9;
}

tr:hover {
    background: #f9f9f9;
}

.history-list {
    list-style: none;
}

.history-item {
    padding: 12px;
    margin-bottom: 10px;
    background: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    transition: all 0.2s ease;
}

.history-item:hover {
    background: #f0f0f0;
    transform: translateX(4px);
}

.history-item pre {
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
    color: #333;
    overflow-x: auto;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: #999;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    margin-bottom: 15px;
}

.status-badge.connected {
    background: #86efac;
    color: #166534;
}

.status-badge.disconnected {
    background: #fca5a5;
    color: #991b1b;
}

.api-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(44px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
    max-width: 520px;
}

.api-chip {
    height: 34px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.95);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: 0.02em;
    cursor: pointer;
    user-select: none;
    transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    touch-action: manipulation;
}

.api-chip:hover {
    transform: translateY(-1px);
}

.api-chip.inactive {
    opacity: 0.45;
}

.api-chip.active {
    opacity: 1;
    background: rgba(255, 255, 255, 0.92);
    color: #111827;
    border-color: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.18);
}

.bytea-thumb {
    display: inline-flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
}

.bytea-thumb-media {
    width: 170px;
    height: 130px;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #f3f4f6, #eef2ff);
    border: 1px solid #e5e7eb;
    box-shadow: 0 8px 20px rgba(17, 24, 39, 0.08);
    cursor: zoom-in;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bytea-thumb-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.bytea-thumb-file {
    font-weight: 800;
    color: #111827;
    font-size: 0.95em;
    text-align: center;
    padding: 10px 12px;
}

.bytea-download {
    background: #111827;
    color: white;
    padding: 10px 12px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 0.9em;
}

.bytea-download:hover {
    opacity: 0.92;
}

.bytea-modal {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.78);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 9999;
}

.bytea-modal.open {
    display: flex;
}

.bytea-modal-card {
    width: min(1100px, 96vw);
    height: min(750px, 92vh);
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.35);
    display: flex;
    flex-direction: column;
}

.bytea-modal-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid #e5e7eb;
    background: linear-gradient(180deg, #ffffff, #f9fafb);
}

.bytea-modal-title {
    font-weight: 900;
    color: #111827;
    font-size: 0.95em;
}

.bytea-modal-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bytea-modal-btn {
    border: 1px solid #e5e7eb;
    background: white;
    padding: 10px 12px;
    border-radius: 10px;
    font-weight: 800;
    cursor: pointer;
}

.bytea-modal-btn:hover {
    background: #f3f4f6;
}

.bytea-modal-stage {
    flex: 1;
    background: #0b1020;
    position: relative;
    overflow: hidden;
    touch-action: none;
}

.bytea-modal-stage img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    max-width: none;
    max-height: none;
    user-select: none;
    -webkit-user-drag: none;
    cursor: grab;
    will-change: transform;
}

.bytea-modal-stage img.dragging {
    cursor: grabbing;
}

.bytea-modal-stage iframe {
    width: 100%;
    height: 100%;
    border: 0;
    background: #111827;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8em;
    }
    
    .card {
        padding: 20px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    table {
        font-size: 0.8em;
    }

    th, td {
        padding: 8px;
    }

    .api-selector {
        max-width: 100%;
        grid-template-columns: repeat(auto-fit, minmax(52px, 1fr));
    }
}

/* clock widget */

#clock-widget {
  position: fixed;
  top: 16px;
  right: 16px;
  left: auto;            /* important */
  font-family: system-ui, -apple-system, Segoe UI, monospace;
  user-select: none;
  touch-action: none;
  cursor: default;
  transform-origin: top right;
}

/* ---------- THEMES (7 colors) ---------- */
.theme-0 { color: #000; }      /* black (start) */
.theme-1 { color: #fff; }      /* white */
.theme-2 { color: #9ca3af; }   /* gray */
.theme-3 { color: #38bdf8; }   /* blue */
.theme-4 { color: #22c55e; }   /* green */
.theme-5 { color: #f59e0b; }   /* amber */
.theme-6 { color: #f43f5e; }   /* red */

.clock-toolbar {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
}

.clock-toolbar button {
  all: unset;
  padding: 5px 9px;
  border-radius: 8px;
  border: 1px solid currentColor;
  cursor: pointer;
  font-weight: 600;
}

.clock-body {
  display: flex;
  gap: 8px;
  padding: 10px;
  border: 2px solid currentColor;
  border-radius: 14px;
  background: transparent;
  cursor: grab;
}

#clock-widget.dragging .clock-body,
.clock-body.dragging {
  cursor: grabbing;
}

.time-box {
  width: 70px;
  height: 70px;
  border: 2px solid currentColor;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.num {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.resize-handle {
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 14px;
  height: 14px;
  cursor: se-resize;
}