/* IBM Carbon Design System - Monochromatic Dark Theme */
:root {
    --cds-background: #121212;
    --cds-layer-01: #161616;
    --cds-layer-02: #262626;
    --cds-layer-03: #393939;
    --cds-field: #262626;
    --cds-border-subtle: #393939;
    --cds-border-strong: #6f6f6f;
    --cds-text-primary: #f4f4f4;
    --cds-text-secondary: #c6c6c6;
    --cds-text-muted: #8d8d8d;
    --cds-primary-button: #ffffff;
    --cds-primary-button-text: #000000;
    --cds-primary-button-hover: #e5e5e5;
    --cds-tag-bg: #393939;
    --cds-success: #42be65;
    --cds-danger: #fa4d56;
    --cds-warning: #f1c21b;
    --cds-info: #4589ff;
    --cds-focus: #ffffff;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--cds-background);
    color: var(--cds-text-primary);
    min-height: 100vh;
    padding: 24px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.carbon-app {
    width: 100%;
    max-width: 680px;
    background-color: var(--cds-layer-01);
    border: 1px solid var(--cds-border-subtle);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.6);
}

.carbon-header {
    padding: 16px 20px;
    background-color: var(--cds-layer-02);
    border-bottom: 1px solid var(--cds-border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.carbon-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.carbon-badge {
    font-family: monospace;
    font-size: 10px;
    background: var(--cds-layer-03);
    color: var(--cds-text-secondary);
    padding: 2px 6px;
    border: 1px solid var(--cds-border-strong);
    text-transform: uppercase;
}

.carbon-tabs {
    display: flex;
    background-color: var(--cds-layer-01);
    border-bottom: 1px solid var(--cds-border-subtle);
    overflow-x: auto;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--cds-text-secondary);
    font-size: 13px;
    font-weight: 500;
    padding: 12px 18px;
    cursor: pointer;
    outline: none;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    background-color: var(--cds-layer-02);
    color: var(--cds-text-primary);
}

.tab-btn.active {
    color: var(--cds-text-primary);
    border-bottom-color: var(--cds-primary-button);
    background-color: var(--cds-layer-02);
}

.panel-content {
    padding: 20px;
}

.tab-panel {
    display: none;
}

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

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cds-text-secondary);
    margin-bottom: 6px;
}

.helper-text {
    font-size: 11px;
    color: var(--cds-text-muted);
    margin-top: 4px;
}

input[type="text"],
input[type="password"],
select,
textarea {
    width: 100%;
    background-color: var(--cds-field);
    border: 1px solid var(--cds-border-subtle);
    border-bottom: 2px solid var(--cds-border-strong);
    color: var(--cds-text-primary);
    font-size: 13px;
    padding: 10px 12px;
    outline: none;
    font-family: inherit;
    transition: border 0.15s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
    border-bottom-color: var(--cds-focus);
    background-color: var(--cds-layer-03);
}

.address-bar {
    display: flex;
    align-items: center;
    background-color: var(--cds-field);
    border: 1px solid var(--cds-border-subtle);
    border-bottom: 2px solid var(--cds-border-strong);
    padding: 2px 10px;
    margin-bottom: 16px;
    transition: border-color 0.2s ease;
}

.address-bar.authorized {
    border-bottom-color: var(--cds-text-primary);
    background-color: var(--cds-layer-02);
}

.address-icon {
    font-size: 14px;
    margin-right: 10px;
    opacity: 0.7;
    user-select: none;
}

.address-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--cds-text-primary);
    font-size: 13px;
    font-family: Consolas, "JetBrains Mono", monospace;
    padding: 8px 0;
    outline: none;
}

.lock-btn {
    background: var(--cds-layer-03);
    border: 1px solid var(--cds-border-subtle);
    color: var(--cds-text-secondary);
    cursor: pointer;
    font-size: 12px;
    padding: 5px 10px;
    outline: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.lock-btn:hover {
    background: var(--cds-border-strong);
    color: var(--cds-text-primary);
}

.address-bar.authorized .lock-btn {
    background: var(--cds-primary-button);
    color: var(--cds-primary-button-text);
    border-color: var(--cds-primary-button);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    margin-bottom: 16px;
}

.checkbox-group input {
    cursor: pointer;
    accent-color: var(--cds-text-primary);
    width: 14px;
    height: 14px;
}

.checkbox-group span {
    font-size: 12px;
    color: var(--cds-text-secondary);
}

.carbon-btn {
    width: 100%;
    background-color: var(--cds-primary-button);
    color: var(--cds-primary-button-text);
    border: none;
    padding: 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    outline: none;
    transition: background 0.15s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.carbon-btn:hover:not(:disabled) {
    background-color: var(--cds-primary-button-hover);
}

.carbon-btn:disabled {
    background-color: var(--cds-layer-03);
    color: var(--cds-text-muted);
    cursor: not-allowed;
}

.saved-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 280px;
    overflow-y: auto;
}

.saved-item {
    background: var(--cds-layer-02);
    border: 1px solid var(--cds-border-subtle);
    padding: 12px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.saved-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.saved-item-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--cds-text-primary);
    font-family: monospace;
}

.saved-item-meta {
    font-size: 11px;
    color: var(--cds-text-muted);
}

.saved-actions {
    display: flex;
    gap: 6px;
}

.btn-small {
    background: var(--cds-layer-03);
    border: 1px solid var(--cds-border-subtle);
    color: var(--cds-text-secondary);
    font-size: 11px;
    padding: 4px 8px;
    cursor: pointer;
}

.btn-small:hover {
    color: var(--cds-text-primary);
    background: var(--cds-border-strong);
}

.btn-small.danger:hover {
    background: var(--cds-danger);
    color: #ffffff;
    border-color: var(--cds-danger);
}

.console-container {
    margin-top: 20px;
    border-top: 1px solid var(--cds-border-subtle);
    padding-top: 16px;
}

.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.console-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cds-text-muted);
}

.console-tools {
    display: flex;
    gap: 8px;
}

#log {
    background-color: #0b0b0b;
    border: 1px solid var(--cds-border-subtle);
    padding: 12px;
    height: 180px;
    overflow-y: auto;
    white-space: pre-wrap;
    font-family: Consolas, "JetBrains Mono", Courier, monospace;
    font-size: 11px;
    line-height: 1.5;
    color: #d1d5db;
}

.log-success { color: var(--cds-success); }
.log-error { color: var(--cds-danger); }
.log-warning { color: var(--cds-warning); }
.log-info { color: var(--cds-info); }
.log-muted { color: var(--cds-text-muted); }
.log-highlight { color: #ffffff; font-weight: bold; }