/* ARM Instruction Converter - Retro Arcade Theme Styles */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

:root {
    --neon-green: #39FF14;
    --neon-pink: #FF10F0;
    --neon-blue: #00D9FF;
    --dark-bg: #0a0014;
    --screen-green: #f0f0f0;
    --gold: #FFD700;
}

.arm-converter-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: var(--dark-bg);
    font-family: 'VT323', monospace;
}

.arm-converter-header {
    background: rgba(26, 0, 51, 0.8);
    border: 3px solid var(--screen-green);
    padding: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.arm-converter-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 18px;
    color: var(--gold);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.arm-converter-subtitle {
    color: var(--neon-blue);
    font-size: 20px;
    margin-bottom: 8px;
}

.arm-converter-description {
    color: var(--screen-green);
    font-size: 20px;
    line-height: 1.5;
}

.converter-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.converter-controls {
    background: rgba(26, 0, 51, 0.5);
    border: 2px solid rgba(240, 240, 240, 0.3);
    padding: 20px;
}

.control-section {
    margin-bottom: 20px;
}

.control-label {
    font-family: 'Press Start 2P', cursive;
    font-size: 11px;
    color: var(--gold);
    margin-bottom: 10px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.control-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.radio-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.radio-option {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(240, 240, 240, 0.3);
    color: var(--screen-green);
    font-size: 20px;
    transition: all 0.3s;
    cursor: pointer;
}

.radio-option input[type="radio"]:checked + .radio-label {
    background: var(--gold);
    color: #000;
    border-color: var(--gold);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
}

.radio-label:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
}

.radio-dot {
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.radio-option input[type="radio"]:checked + .radio-label .radio-dot::after {
    content: '';
    width: 8px;
    height: 8px;
    background: currentColor;
    border-radius: 50%;
}

.select-wrapper {
    position: relative;
}

.converter-select {
    width: 100%;
    padding: 15px 40px 15px 15px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(240, 240, 240, 0.3);
    color: var(--screen-green);
    font-family: 'VT323', monospace;
    font-size: 20px;
    line-height: 1.4;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    transition: all 0.3s;
    background-image: url('data:image/svg+xml;charset=UTF-8,<svg fill="%23f0f0f0" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
}

.converter-select:hover {
    border-color: var(--gold);
    background-color: rgba(0, 0, 0, 0.85);
}

.converter-select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
    background-color: rgba(0, 0, 0, 0.85);
}

.converter-select option {
    background: #0a0014;
    color: var(--screen-green);
    padding: 15px 10px;
    font-size: 20px;
    line-height: 1.6;
    height: auto;
}

.converter-textarea {
    width: 100%;
    min-height: 200px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(240, 240, 240, 0.3);
    color: var(--neon-green);
    font-family: 'VT323', monospace;
    font-size: 20px;
    resize: vertical;
    transition: all 0.3s;
}

.converter-textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.converter-textarea::placeholder {
    color: rgba(240, 240, 240, 0.4);
}

.button-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.converter-button {
    flex: 1;
    min-width: 150px;
    padding: 15px 20px;
    font-family: 'Press Start 2P', cursive;
    font-size: 11px;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gold);
    color: #000;
    box-shadow: 0 4px 0 #c9a900;
}

.btn-primary:hover:not(:disabled) {
    background: #ffed4e;
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #c9a900;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--neon-blue);
    color: #000;
    transform: translateY(-2px);
}

.btn-clear {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--neon-pink);
    color: var(--neon-pink);
}

.btn-clear:hover:not(:disabled) {
    background: var(--neon-pink);
    color: #000;
    transform: translateY(-2px);
}

.converter-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.converter-results {
    background: rgba(26, 0, 51, 0.5);
    border: 2px solid rgba(240, 240, 240, 0.3);
    padding: 20px;
    min-height: 200px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(240, 240, 240, 0.2);
}

.results-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
}

.results-summary {
    display: flex;
    gap: 15px;
    font-size: 14px;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.summary-label {
    color: var(--screen-green);
}

.summary-value {
    color: var(--neon-green);
    font-weight: bold;
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.result-item {
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(240, 240, 240, 0.2);
    padding: 15px;
    transition: all 0.3s;
}

.result-item:hover {
    border-color: var(--gold);
    transform: translateX(5px);
}

.result-item.success {
    border-left: 4px solid var(--neon-green);
}

.result-item.error {
    border-left: 4px solid var(--neon-pink);
}

.result-input {
    font-size: 20px;
    color: var(--neon-blue);
    margin-bottom: 10px;
    word-break: break-all;
}

.result-output {
    display: grid;
    gap: 8px;
}

.result-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.result-label {
    min-width: 100px;
    color: var(--screen-green);
    font-size: 20px;
}

.result-value {
    flex: 1;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(240, 240, 240, 0.2);
    color: var(--neon-green);
    font-family: 'Courier New', monospace;
    font-size: 20px;
    position: relative;
    word-break: break-all;
}

.copy-btn {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    font-family: 'VT323', monospace;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: var(--neon-blue);
    color: #000;
}

.copy-btn.copied {
    background: var(--neon-green);
    color: #000;
    border-color: var(--neon-green);
}

.result-error {
    color: var(--neon-pink);
    font-size: 20px;
    padding: 10px;
    background: rgba(255, 16, 240, 0.1);
    border: 1px solid var(--neon-pink);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: rgba(240, 240, 240, 0.5);
    font-size: 20px;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.loading-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--neon-green);
    font-size: 18px;
}

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(57, 255, 20, 0.2);
    border-top-color: var(--neon-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.info-box {
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--neon-blue);
    padding: 15px;
    margin-top: 20px;
}

.info-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 10px;
    color: var(--neon-blue);
    margin-bottom: 10px;
    text-transform: uppercase;
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
    color: var(--screen-green);
    font-size: 20px;
}

.info-list li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--neon-blue);
    font-size: 18px;
}

/* Custom Dropdown Styles */
.custom-dropdown {
    position: relative;
    width: 100%;
}

.custom-dropdown-selected {
    width: 100%;
    padding: 15px 40px 15px 15px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(240, 240, 240, 0.3);
    color: var(--screen-green);
    font-family: 'VT323', monospace;
    font-size: 20px;
    line-height: 1.4;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.custom-dropdown-selected:hover {
    border-color: var(--gold);
    background-color: rgba(0, 0, 0, 0.85);
}

.custom-dropdown.open .custom-dropdown-selected {
    border-color: var(--gold);
    border-bottom: none;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
    background-color: rgba(0, 0, 0, 0.85);
}

.custom-dropdown-arrow {
    transition: transform 0.3s;
    font-size: 16px;
}

.custom-dropdown.open .custom-dropdown-arrow {
    transform: rotate(180deg);
}

.custom-dropdown-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0a0014;
    border: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    margin-top: 0;
}

.custom-dropdown.open .custom-dropdown-options {
    max-height: 400px;
    overflow-y: auto;
    border: none;
}

.custom-dropdown-option {
    padding: 15px 15px;
    color: var(--screen-green);
    font-family: 'VT323', monospace;
    font-size: 20px;
    line-height: 1.6;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 1px solid rgba(240, 240, 240, 0.1);
}

.custom-dropdown-option:last-child {
    border-bottom: none;
}

.custom-dropdown-option:hover {
    background: rgba(255, 215, 0, 0.2);
    color: var(--gold);
    padding-left: 20px;
}

.custom-dropdown-option.selected {
    background: rgba(255, 215, 0, 0.15);
    color: var(--gold);
}

.custom-dropdown-options::-webkit-scrollbar {
    width: 8px;
}

.custom-dropdown-options::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

.custom-dropdown-options::-webkit-scrollbar-thumb {
    background: var(--gold);
    border-radius: 4px;
}

.custom-dropdown-options::-webkit-scrollbar-thumb:hover {
    background: var(--neon-green);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    * {
        box-sizing: border-box;
    }
    
    body {
        padding: 0;
        margin: 0;
        overflow-x: hidden;
    }
    
    .arm-converter-container {
        padding: 5px;
        margin: 5px auto;
        width: calc(100% - 10px);
        max-width: calc(100% - 10px);
        box-sizing: border-box;
    }
    
    .arm-converter-header {
        padding: 8px;
        margin-bottom: 8px;
        box-sizing: border-box;
        width: 100%;
    }
    
    .arm-converter-title {
        font-size: 7px;
        margin-bottom: 5px;
        letter-spacing: 0.3px;
    }
    
    .arm-converter-subtitle {
        font-size: 11px;
        margin-bottom: 3px;
    }
    
    .arm-converter-description {
        font-size: 10px;
        line-height: 1.2;
    }
    
    .converter-main {
        gap: 8px;
        width: 100%;
    }
    
    .converter-controls,
    .converter-results {
        padding: 8px;
        box-sizing: border-box;
        width: 100%;
    }
    
    .control-section {
        margin-bottom: 8px;
        width: 100%;
    }
    
    .control-section:last-child {
        margin-bottom: 0;
    }
    
    .control-label {
        font-size: 8px;
        margin-bottom: 4px;
    }
    
    .radio-group {
        display: flex;
        flex-direction: column;
        gap: 5px;
        width: 100%;
    }
    
    .radio-option {
        width: 100%;
    }
    
    .radio-label {
        padding: 8px 10px;
        font-size: 12px;
        gap: 6px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .radio-dot {
        width: 12px;
        height: 12px;
        flex-shrink: 0;
    }
    
    .radio-option input[type="radio"]:checked + .radio-label .radio-dot::after {
        width: 6px;
        height: 6px;
    }
    
    .select-wrapper {
        width: 100%;
    }
    
    .custom-dropdown {
        width: 100%;
    }
    
    .custom-dropdown-selected,
    .converter-select {
        padding: 8px 30px 8px 8px;
        font-size: 13px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .custom-dropdown-arrow {
        font-size: 12px;
        right: 8px;
    }
    
    .custom-dropdown-options {
        width: 100%;
    }
    
    .custom-dropdown-option {
        padding: 8px;
        font-size: 13px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .converter-textarea {
        min-height: 100px;
        padding: 8px;
        font-size: 13px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .button-group {
        display: flex;
        flex-direction: column;
        gap: 6px;
        width: 100%;
    }
    
    .converter-button {
        width: 100%;
        padding: 10px 8px;
        font-size: 8px;
        letter-spacing: 0.3px;
        box-sizing: border-box;
    }
    
    .info-box {
        padding: 8px;
        margin-top: 8px;
        margin-bottom: 8px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .info-title {
        font-size: 7px;
        margin-bottom: 5px;
    }
    
    .info-list {
        width: 100%;
    }
    
    .info-list li {
        padding: 2px 0;
        padding-left: 12px;
        font-size: 11px;
    }
    
    .info-list li::before {
        font-size: 10px;
    }
    
    .number-converter-section {
        padding: 8px;
        margin-top: 8px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .number-converter-title {
        font-size: 8px;
        margin-bottom: 6px;
    }
    
    .number-input-group {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-bottom: 8px;
        width: 100%;
    }
    
    .number-input-field {
        padding: 8px;
        font-size: 13px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .number-converter-result {
        padding: 8px;
        font-size: 13px;
        min-height: 40px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .results-header {
        flex-direction: column;
        gap: 5px;
        padding-bottom: 8px;
        margin-bottom: 8px;
    }
    
    .results-title {
        font-size: 8px;
    }
    
    .results-summary {
        gap: 8px;
        font-size: 10px;
    }
    
    .result-item {
        padding: 8px;
        margin-bottom: 8px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .result-item:last-child {
        margin-bottom: 0;
    }
    
    .result-input {
        font-size: 11px;
        margin-bottom: 5px;
    }
    
    .result-row {
        flex-direction: column;
        gap: 4px;
        width: 100%;
    }
    
    .result-label {
        font-size: 11px;
    }
    
    .result-value {
        padding: 6px 8px;
        font-size: 11px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .copy-btn {
        padding: 6px 8px;
        font-size: 11px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .result-error {
        font-size: 11px;
        padding: 6px;
    }
    
    .empty-state {
        padding: 20px 10px;
        font-size: 11px;
    }
    
    .empty-state-icon {
        font-size: 30px;
        margin-bottom: 8px;
    }
    
    .loading-state {
        padding: 20px 10px;
        font-size: 13px;
    }
    
    .loading-spinner {
        width: 25px;
        height: 25px;
        border-width: 2px;
        margin-bottom: 8px;
    }
    
    /* Compact supported instructions */
    .info-box div[style*="grid"] {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }
    
    .info-box strong {
        font-size: 11px !important;
    }
    
    .info-box code {
        font-size: 10px !important;
        padding: 1px 3px !important;
    }
    
    .info-box p {
        font-size: 10px !important;
        line-height: 1.3 !important;
    }
    
    .info-box div[style*="padding: 15px"] {
        padding: 6px !important;
        font-size: 10px !important;
    }
    
    .info-box h3 {
        font-size: 7px !important;
    }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
    .arm-converter-container {
        padding: 8px;
    }
    
    .arm-converter-header {
        padding: 12px 8px;
    }
    
    .arm-converter-title {
        font-size: 7px;
        letter-spacing: 0.3px;
    }
    
    .arm-converter-subtitle {
        font-size: 12px;
    }
    
    .radio-group {
        gap: 5px;
    }
    
    .radio-label {
        padding: 7px 8px;
        font-size: 12px;
    }
    
    .converter-button {
        padding: 11px 14px;
        font-size: 8px;
    }
    
    .button-group {
        gap: 6px;
    }
    
    .info-list li {
        font-size: 12px;
    }
    
    .result-value,
    .result-label,
    .result-input {
        font-size: 12px;
    }
    
    .custom-dropdown-selected,
    .converter-select {
        font-size: 14px;
    }
    
    .custom-dropdown-option {
        font-size: 14px;
    }
}

/* Number Converter Styles */
.number-converter-section {
    background: rgba(0, 217, 255, 0.05);
    border: 2px solid var(--neon-blue);
    padding: 20px;
    margin-top: 20px;
}

.number-converter-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 12px;
    color: var(--neon-blue);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.number-input-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.number-input-field {
    width: 100%;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(240, 240, 240, 0.3);
    color: var(--neon-green);
    font-family: 'VT323', monospace;
    font-size: 20px;
    transition: all 0.3s;
}

.number-input-field:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.number-converter-result {
    padding: 15px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    font-family: 'Courier New', monospace;
    font-size: 20px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
}

.number-converter-result.error {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
}

@media (max-width: 768px) {
    .number-input-group {
        grid-template-columns: 1fr;
    }
}


/* Scanlines effect */
.arm-converter-container::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.05),
        rgba(0, 0, 0, 0.05) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1;
}