:root {
    --bg-default: #000000;
    --screen-bg: #001100;
    --phosphor: #00ff00;
    --phosphor-dim: #00aa00;
    --phosphor-bright: #66ff99;
    --phosphor-backlight: #005500;
}

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

body {
    font-family: monospace;
    background: black;
    color: var(--phosphor);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-shadow: 0 0 4px rgba(0,255,0,0.4);
    animation: flicker 0.15s infinite;
}

hr {
    border: 1px dotted var(--phosphor);
}

progress {
  -webkit-appearance: none;
  appearance: none; 
  width: 100%;
  height: 15px;
  border-radius: 0;
  background: black;
  background-color: black;
  accent-color: var(--phosphor);
}

.app-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.splash {
    overflow: hidden;
}

.header {
    position: absolute;
    top: 30px;
    left: 40px;
}

.connection-btn {
    background: black;
    border: 2px solid var(--phosphor);
    color: var(--phosphor);
    padding: 6px 14px;
    cursor: pointer;
    font-family: monospace;
}

.connection-btn.pulsing {
    border: 2px dotted var(--phosphor);
    animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        background: var(--phosphor-backlight);
    }
    50% {
        background: var(--phosphor-dim);
    }
}

.connection-btn:hover {
    background: #002200;
    color: var(--phosphor-bright);
}



.workspace {
    width: 75vmin;
    height: 75vmin;
    display: flex;
    flex-direction: column;
}

.tab-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}

.tab-btn {
    flex: 1;
    border: 2px solid var(--phosphor);
    background: black;
    color: var(--phosphor);
    padding: 8px;
    font-family: monospace;
    cursor: pointer;
    text-align: center;
}

.tab-btn:hover {
    background: #002200;
    color: var(--phosphor-bright);
}

.tab-btn.active {
    background: #003300;
    color: var(--phosphor-bright);
}


.tab-content {
    flex: 1;
    background: var(--screen-bg);
    border: 4px solid var(--phosphor);
    padding: 20px;
    overflow: auto;
    position: relative;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane.splash {
    overflow: hidden;
    height: 100%;
}

.splash-img {
    width: 100%;
}

.primary-btn,
.toolbar-btn {
    background: black;
    border: 1px solid var(--phosphor);
    color: var(--phosphor);
    font-family: monospace;
    cursor: pointer;
    padding: 6px 10px;
}

.preset-upload-btn,
.preset-download-btn {
    background: black;
    border: 1px solid var(--phosphor);
    color: var(--phosphor);
    font-family: monospace;
    padding: 1px 3px 1px 3px;
}

.update-btn {
    background: black;
    border: 1px solid var(--phosphor);
    color: var(--phosphor);
    font-family: monospace;
    padding: 1px 3px 1px 3px;
}

button:hover {
    background: #002200;
    color: var(--phosphor-bright);
}

button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}
select:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/*.setting-item,*/
.preset-item,
.firmware-log {
    background: black;
    border: 1px solid var(--phosphor);
    padding: 8px;
    margin-bottom: 12px;
}

/*.setting-item,*/
.preset-item {
    display: flex;
    justify-content: space-between;
}

.preset-label {
    margin-top: auto;
    margin-bottom: auto;
}

.setting-item select {
    background: black;
    border: 1px solid var(--phosphor);
    color: var(--phosphor);
    font-family: monospace;
}


.setting-item {
    background: black;
    border: 1px solid var(--phosphor);
    padding: 8px;
    margin-bottom: 12px;

    display: flex;
    flex-direction: column; /* stack vertically */
}

/* Row containing label + select */
.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Keeps label and ? together */
.label-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.setting-item select {
    background: black;
    border: 1px solid var(--phosphor);
    color: var(--phosphor);
    font-family: monospace;
}

.setting-info {
    max-height: 0;
    overflow: hidden;
    font-size: 0.9em;
    color: var(--phosphor);
}

.setting-item.expanded .setting-info {
    max-height: 200px;
    margin-top: 8px;
}

.firmware-log {
    min-height: 160px;
    resize: none;
    font-size: 0.85rem;
    color: var(--phosphor);
}

.update-preamble {
    font-size: 0.75rem;
    color: var(--phosphor);
}

.firmware-file-upload-pane {
    border: 1px dotted;
    padding: 8px;
}

.info-toggle {
    background-color: black;
    color: var(--phosphor);
}
code {
    background-color: grey;
}