/**
 * ESP32 Web Flasher Styles
 * Complete stylesheet - no Tailwind required
 */

/* Base reset and fonts */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    line-height: 1.5;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: 100%;
}

body.dev-panel-open {
    overflow: hidden;
}

/* Header */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 44px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 max(20px, env(safe-area-inset-right)) 0 max(20px, env(safe-area-inset-left));
}

.app-header-content {
    width: 100%;
    max-width: 1400px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
}

.app-header-title {
    font-size: 21px;
    font-weight: 600;
    color: #1d1d1f;
    letter-spacing: -0.022em;
    margin: 0;
}

.app-header-nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.app-header-link {
    font-size: 12px;
    color: #1d1d1f;
    text-decoration: none;
    font-weight: 400;
    letter-spacing: -0.01em;
    transition: opacity 0.2s;
    opacity: 0.8;
}

.app-header-link:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .app-header-nav {
        gap: 20px;
    }

    .app-header-link {
        font-size: 11px;
    }
}

/* Main layout: Starts centered, transitions to 3 columns */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 48px 80px 48px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: start;
}

.main-content.expanded {
    grid-template-columns: 380px 1fr 420px;
}

/* Left panel: Config */
.left-panel {
    background: transparent;
    padding: 0;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.001s, max-height 0.001s;
}

.main-content.expanded .left-panel {
    opacity: 1;
    max-height: none;
    position: sticky;
    top: 100px;
}

/* Center panel: Info */
.center-panel {
    background: transparent;
    padding: 0;
    max-width: 600px;
    margin: 0 auto;
    justify-self: center;
}

.main-content.expanded .center-panel {
    max-width: none;
    margin: 0;
    justify-self: stretch;
}

/* Header stays centered initially, content below aligns left when expanded */
.center-panel-header {
    text-align: center;
    opacity: 1;
    overflow: hidden;
}

.main-content.expanded .center-panel-header {
    display: none;
}

.center-panel-content {
    text-align: left;
}

/* Right panel: Actions */
.right-panel {
    background: transparent;
    padding: 0;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
}

.main-content.expanded .right-panel {
    opacity: 1;
    max-height: none;
    position: sticky;
    top: 100px;
}

h1 {
    font-size: 56px;
    color: #1d1d1f;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.015em;
}

.main-content.expanded h1 {
    font-size: 40px;
}

.subtitle {
    font-size: 21px;
    color: #6e6e73;
    margin-bottom: 56px;
    font-weight: 400;
    letter-spacing: 0.011em;
}

/* Initial project selector in center */
.initial-selector {
    max-width: 400px;
    margin: 60px auto 0;
    opacity: 1;
    text-align: center;
}

.main-content.expanded .initial-selector {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    margin: 0;
}

/* Project details fade in */
#project-details {
    opacity: 0;
}

#project-details.active {
    opacity: 1;
}

h2 {
    font-size: 32px;
    color: #1d1d1f;
    margin-top: 56px;
    margin-bottom: 24px;
    font-weight: 600;
    letter-spacing: -0.012em;
}

h2:first-of-type {
    margin-top: 0;
}

/* Panel headers with step badges */
.panel-header {
    font-size: 28px;
    color: #1d1d1f;
    margin-top: 0;
    margin-bottom: 40px;
    font-weight: 600;
    letter-spacing: -0.012em;
    display: flex;
    align-items: center;
    gap: 14px;
}

.step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: #1d1d1f;
    color: white;
    border-radius: 50%;
    font-size: 15px;
    font-weight: 600;
    flex-shrink: 0;
}

h3 {
    font-size: 12px;
    color: #86868b;
    margin-bottom: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Form styling */
.form-group {
    margin-bottom: 20px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.config-group .form-group {
    margin-bottom: 16px;
}

.config-group .form-group:last-child {
    margin-bottom: 0;
}

label {
    display: block;
    font-size: 17px;
    font-weight: 400;
    color: #1d1d1f;
    margin-bottom: 10px;
    letter-spacing: -0.022em;
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    font-size: 17px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: #ffffff;
    color: #1d1d1f;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: #0071e3;
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

input[type="text"]:invalid:not(:placeholder-shown),
input[type="password"]:invalid:not(:placeholder-shown),
input[type="number"]:invalid:not(:placeholder-shown) {
    border-color: #ff3b30;
}

input[type="text"]:invalid:focus:not(:placeholder-shown),
input[type="password"]:invalid:focus:not(:placeholder-shown),
input[type="number"]:invalid:focus:not(:placeholder-shown) {
    box-shadow: 0 0 0 4px rgba(255, 59, 48, 0.1);
}

input::placeholder {
    color: #86868b;
}

.help-text {
    font-size: 14px;
    color: #86868b;
    margin-top: 6px;
    display: block;
    line-height: 1.47059;
    letter-spacing: -0.016em;
}

.config-group {
    margin-bottom: 48px;
    padding: 32px;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.config-group:last-child {
    margin-bottom: 0;
}

.config-group h3 {
    margin: 0 0 24px 0;
    font-size: 12px;
    font-weight: 600;
    color: #86868b;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.config-group .help-text {
    margin-bottom: 24px;
    color: #86868b;
    font-size: 14px;
    text-transform: none;
    letter-spacing: -0.016em;
    font-weight: 400;
}

/* Sections */
.section {
    margin-bottom: 24px;
    background: transparent;
    border-radius: 0;
    padding: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.section.section-bg {
    background: #ffffff;
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.section h3 {
    font-size: 12px;
    font-weight: 600;
    color: #86868b;
    margin-bottom: 20px;
    margin-top: 0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.requirement-list, .instruction-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.requirement-list li, .instruction-list li {
    font-size: 17px;
    color: #1d1d1f;
    line-height: 1.47059;
    padding: 12px 0;
    padding-left: 36px;
    position: relative;
    letter-spacing: -0.022em;
}

.requirement-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    background: #0071e3;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 24px;
    font-size: 13px;
    font-weight: 600;
}

.instruction-list li::before {
    content: attr(data-step);
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    background: transparent;
    color: #0071e3;
    border: 2px solid #0071e3;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

/* Documentation link */
.doc-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    padding: 14px 24px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    text-decoration: none;
    color: #0071e3;
    font-size: 17px;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    letter-spacing: -0.022em;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.doc-link:hover {
    border-color: #0071e3;
    background: #f5f5f7;
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.12);
}

.doc-link .external-icon {
    font-size: 16px;
    opacity: 0.7;
}

/* Collapsible sections (for config panels) */
.collapsible-section {
    margin-bottom: 24px;
    border: none;
    border-radius: 0;
    overflow: visible;
}

.section-header {
    background: transparent;
    padding: 16px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    border-bottom: 1px solid #f5f5f5;
}

.section-header:hover {
    background: transparent;
}

.section-header h3 {
    margin: 0;
    font-size: 11px;
    font-weight: 600;
    color: #5c5e62;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.section-toggle {
    font-size: 8px;
    transition: transform 0.2s;
    color: #8a8a8a;
}

.section-header.collapsed .section-toggle {
    transform: rotate(-90deg);
}

.section-content {
    padding: 20px 0;
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.section-content.collapsed {
    max-height: 0;
    padding: 0;
}

/* Progress bar */
.progress-container {
    margin-bottom: 24px;
    display: none;
}

.progress-container.active {
    display: block;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #0071e3;
    transition: width 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
    width: 0%;
    border-radius: 2px;
}

.progress-text {
    font-size: 13px;
    color: #86868b;
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    letter-spacing: -0.016em;
    font-variant-numeric: tabular-nums;
}

/* Status box */
.status-box {
    background: #f5f5f7;
    border: none;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 20px;
    text-align: left;
    transition: all 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
}

.status-box.waiting {
    background: #f5f5f7;
}

.status-box.connected {
    background: rgba(0, 113, 227, 0.08);
    border: 1px solid rgba(0, 113, 227, 0.2);
}

.status-box.flashing {
    background: rgba(255, 149, 0, 0.08);
    border: 1px solid rgba(255, 149, 0, 0.2);
}

.status-box.error {
    background: rgba(255, 59, 48, 0.08);
    border: 1px solid rgba(255, 59, 48, 0.2);
}

.status-box.success {
    background: rgba(52, 199, 89, 0.08);
    border: 1px solid rgba(52, 199, 89, 0.2);
}

.status-text {
    font-size: 17px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 6px;
    letter-spacing: -0.022em;
}

.status-subtext {
    font-size: 15px;
    color: #86868b;
    line-height: 1.47059;
    letter-spacing: -0.016em;
}

/* Chip info box */
.chip-info {
    background: #f5f5f7;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 20px;
    display: none;
}

.chip-info.active {
    display: block;
}

.chip-info-row {
    display: flex;
    justify-content: space-between;
    font-size: 15px;
    margin-bottom: 10px;
    line-height: 1.47059;
}

.chip-info-row:last-child {
    margin-bottom: 0;
}

.chip-info-label {
    color: #86868b;
    font-weight: 400;
    letter-spacing: -0.016em;
}

.chip-info-value {
    font-weight: 500;
    color: #1d1d1f;
    letter-spacing: -0.016em;
    font-variant-numeric: tabular-nums;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 15px 28px;
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    margin-bottom: 12px;
    letter-spacing: -0.022em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: #0071e3;
    color: white;
    box-shadow: 0 1px 3px rgba(0, 113, 227, 0.12);
}

.btn-primary:hover:not(:disabled) {
    background: #0077ed;
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.2);
}

.btn-success {
    background: #0071e3;
    color: white;
    box-shadow: 0 1px 3px rgba(0, 113, 227, 0.12);
}

.btn-success:hover:not(:disabled) {
    background: #0077ed;
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.2);
}

.btn-danger {
    background: #0071e3;
    color: white;
    box-shadow: 0 1px 3px rgba(0, 113, 227, 0.12);
}

.btn-danger:hover:not(:disabled) {
    background: #0077ed;
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.2);
}

.btn-secondary {
    background: #f5f5f7;
    color: #1d1d1f;
    border: none;
}

.btn-secondary:hover:not(:disabled) {
    background: #e8e8ed;
}

.btn:disabled {
    opacity: 0.32;
    cursor: not-allowed;
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
    transition: transform 0.1s;
}

/* Serial monitor */
.serial-monitor {
    background: #ffffff;
    color: #1d1d1f;
    border-radius: 0;
    padding: 16px 24px;
    font-family: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 12px;
    flex: 1;
    overflow-y: auto;
    line-height: 1.6;
    border: none;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.serial-monitor::-webkit-scrollbar {
    width: 8px;
}

.serial-monitor::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.02);
}

.serial-monitor::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.serial-monitor::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.15);
}

.serial-line {
    margin-bottom: 4px;
    font-variant-numeric: tabular-nums;
}

.serial-line.info {
    color: #4fc3f7;
}

.serial-line.success {
    color: #34c759;
}

.serial-line.error {
    color: #ff3b30;
}

.serial-line.warning {
    color: #ff9500;
}

.dev-console-toolbar {
    padding: 12px 24px;
    background: #ffffff;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.dev-console-toolbar .btn {
    font-size: 13px;
    padding: 8px 16px;
    margin: 0;
}

.troubleshooting-section {
    margin-top: 32px;
}

.troubleshooting-toggle {
    width: 100%;
    text-align: left;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px;
    color: #1d1d1f;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    letter-spacing: -0.016em;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.troubleshooting-toggle:hover {
    background: #f5f5f7;
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.troubleshooting-toggle:active {
    transform: scale(0.98);
    transition: transform 0.1s;
}

.troubleshooting-toggle .toggle-arrow {
    font-size: 10px;
    transition: transform 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    color: #86868b;
}

.troubleshooting-toggle.collapsed .toggle-arrow {
    transform: rotate(-90deg);
}

.troubleshooting {
    background: #ffffff;
    border-radius: 0 0 16px 16px;
    border-left: 1px solid rgba(0, 0, 0, 0.06);
    border-right: 1px solid rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    border-top: none;
    padding: 0 24px;
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.28, 0.11, 0.32, 1), padding 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
}

.troubleshooting.active {
    max-height: 500px;
    padding: 0 24px 24px 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.troubleshooting-toggle:not(.collapsed) {
    border-radius: 16px 16px 0 0;
    border-bottom: none;
    box-shadow: none;
}

.troubleshooting p {
    font-size: 15px;
    color: #1d1d1f;
    line-height: 1.47059;
    margin-bottom: 16px;
    padding-top: 12px;
    letter-spacing: -0.016em;
}

.troubleshooting p:first-child {
    padding-top: 16px;
}

.troubleshooting p:last-child {
    margin-bottom: 0;
}

.troubleshooting p strong {
    font-weight: 600;
    color: #1d1d1f;
}

/* Links section */
.links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    text-decoration: none;
    color: #1d1d1f;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    letter-spacing: -0.016em;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.link-btn:hover {
    background: #f5f5f7;
    border-color: rgba(0, 0, 0, 0.15);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.link-btn:active {
    transform: scale(0.98);
    transition: transform 0.1s;
}

/* Responsive */
@media (max-width: 1200px) {
    .main-content,
    .main-content.expanded {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .left-panel,
    .right-panel,
    .main-content.expanded .left-panel,
    .main-content.expanded .right-panel {
        position: static;
        opacity: 1;
        transform: none;
        max-height: none;
        overflow: visible;
    }

    .center-panel,
    .main-content.expanded .center-panel {
        max-width: none;
    }

    .center-panel-header,
    .main-content.expanded .center-panel-header {
        text-align: left;
    }

    h1,
    .main-content.expanded h1 {
        font-size: 32px;
    }
}

/* Saved indicator */
.saved-indicator {
    display: inline-block;
    font-size: 13px;
    color: #34c759;
    margin-left: 8px;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
    letter-spacing: -0.016em;
}

.saved-indicator.show {
    opacity: 1;
}

/* Tab navigation */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.tab {
    padding: 10px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 15px;
    font-weight: 500;
    color: #86868b;
    cursor: pointer;
    margin-bottom: -1px;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    letter-spacing: -0.016em;
}

.tab:hover {
    color: #1d1d1f;
}

.tab.active {
    color: #0071e3;
    border-bottom-color: #0071e3;
}

.tab-content {
    display: none;
}

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

/* Developer Options */
.dev-options-section {
    margin-bottom: 32px;
}

.dev-options-toggle {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    color: #1d1d1f;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    letter-spacing: -0.016em;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.dev-options-toggle:hover {
    background: #f5f5f7;
    border-color: rgba(0, 0, 0, 0.15);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.dev-options-toggle:active {
    transform: scale(0.98);
    transition: transform 0.1s;
}

.dev-options-toggle .toggle-arrow {
    font-size: 10px;
    transition: transform 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    color: #86868b;
}

.dev-options-toggle.collapsed .toggle-arrow {
    transform: rotate(-90deg);
}

/* Developer Options - Side Panel Drawer */
.dev-panel-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1400;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
}

.dev-panel-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.dev-options-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 800px;
    max-width: 90vw;
    background: #ffffff;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    z-index: 1500;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
    display: flex;
    flex-direction: column;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
}

.dev-options-panel.active {
    transform: translateX(0);
}

/* Toggle button styles updated */
.dev-options-toggle.active {
    background: #0071e3;
    color: white;
    border-color: #0071e3;
}

.dev-options-toggle.active:hover {
    background: #0077ed;
    border-color: #0077ed;
}

.dev-options-toggle.active .dev-arrow {
    transform: rotate(180deg);
}

.dev-arrow {
    transition: transform 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
}

.dev-options-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    background: #ffffff;
}

.dev-options-title {
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
    letter-spacing: -0.012em;
    margin: 0;
}

.dev-options-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.dev-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #f5f5f7;
    border: none;
    color: #1d1d1f;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
}

.dev-action-btn:hover {
    background: #e8e8ed;
}

.dev-action-btn:active {
    transform: scale(0.9);
}

.dev-options-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background: #fafafa;
}

.dev-tabs {
    display: flex;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    background: #ffffff;
    padding: 0 24px;
    flex-shrink: 0;
}

.dev-tab {
    padding: 12px 0;
    margin-right: 32px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    color: #86868b;
    border-bottom: 2px solid transparent;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    letter-spacing: -0.016em;
}

.dev-tab:hover {
    color: #1d1d1f;
}

.dev-tab.active {
    color: #0071e3;
    border-bottom-color: #0071e3;
}

.dev-tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
}

.dev-tab-content.active {
    display: flex;
    flex-direction: column;
}

.dev-tab-content[data-tab="settings"] {
    padding: 24px;
}

.dev-tab-content[data-tab="console"] {
    padding: 0;
    background: #ffffff;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 15px;
    color: #1d1d1f;
    font-weight: 400;
    letter-spacing: -0.016em;
    line-height: 1.47059;
}

.radio-label input[type="radio"] {
    margin-right: 12px;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: #0071e3;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 15px;
    color: #1d1d1f;
    font-weight: 400;
    margin-bottom: 12px;
    letter-spacing: -0.016em;
    line-height: 1.47059;
}

.checkbox-label:last-child {
    margin-bottom: 0;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 12px;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: #0071e3;
}

input[type="file"] {
    font-size: 15px;
    padding: 12px 16px;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    background: #ffffff;
    color: #1d1d1f;
    letter-spacing: -0.016em;
}

input[type="file"]::-webkit-file-upload-button {
    padding: 8px 16px;
    border: none;
    background: #f5f5f7;
    color: #1d1d1f;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    margin-right: 12px;
    letter-spacing: -0.016em;
    transition: all 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
}

input[type="file"]::-webkit-file-upload-button:hover {
    background: #e8e8ed;
}