:root {
    --bg-color: #121212;
    --panel-bg: #1e1e1e;
    --text-color: #f5f5f5;
    --accent-color: #4caf50;
    --border-color: #333;
}

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}

header {
    background-color: var(--panel-bg);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--accent-color);
}

nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--accent-color);
}

.upload-btn {
    background-color: var(--accent-color);
    color: #000;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

.upload-btn:hover {
    opacity: 0.9;
}

.container {
    display: flex;
    height: calc(100vh - 72px);
}

.left-panel {
    width: 25%;
    background-color: var(--panel-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.filter-bar {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    background-color: #2a2a2a;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.filter-btn.active {
    background-color: var(--accent-color);
    color: #000;
    font-weight: bold;
}

.left-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.left-panel li {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}

.left-panel li:hover {
    background-color: #2a2a2a;
}

.right-panel {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.request-detail {
    background-color: #2a2a2a;
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.request-detail h2 {
    margin-top: 0;
    color: var(--accent-color);
}

pre {
    background-color: #1e1e1e;
    padding: 1rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    border-radius: 4px;
}

#upload-input {
    display: none;
}

.method-GET {
    border-left: 4px solid #4CAF50; /* Green */
    border-right: 4px solid #4CAF50; /* Green */
    background-color: #4CAF50;
}

.method-POST {
    border-left: 4px solid #2196F3; /* Blue */
    border-right: 4px solid #2196F3; /* Blue */
    background-color: #2196F3;
}

.method-PUT {
    border-left: 4px solid #FFC107; /* Amber */
    border-right: 4px solid #FFC107; /* Amber */
    background-color: #FFC107;
}

.method-DELETE {
    border-left: 4px solid #F44336; /* Red */
    border-right: 4px solid #F44336; /* Red */
    background-color: #F44336;
}

.method-PATCH {
    border-left: 4px solid #9C27B0; /* Purple */
    border-right: 4px solid #9C27B0; /* Purple */
    background-color: #9C27B0;
}

.method-OPTIONS {
    border-left: 4px solid #795548; /* Brown */
    border-right: 4px solid #795548; /* Brown */
    background-color: #795548;
}

.method-HEAD {
    border-left: 4px solid #607D8B; /* Blue Grey */
    border-right: 4px solid #607D8B; /* Blue Grey*/
    background-color: #607D8B;
}

.method-CONNECT,
.method-TRACE {
    border-left: 4px solid #9E9E9E; /* Grey */
    border-right: 4px solid #9E9E9E; /* Grey */
    background-color: #9E9E9E;
}

.method-label {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: bold;
    color: black;
    display: inline-block;
    margin-right: 0.5rem;
}

.info-block {
    margin-bottom: 1.5rem;
}

.info-block h2 {
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    font-size: 1.1rem;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table th,
.info-table td {
    text-align: left;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    vertical-align: top;
}

.info-table th {
    background-color: #2a2a2a;
    color: var(--accent-color);
    width: 200px;
    font-weight: bold;
}

.left-panel li {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.left-panel li.selected {
    background-color: #333;
    font-weight: bold;
}

.tab-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tab-buttons button {
    background: #2a2a2a;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
    font-size: 0.9rem;
}

.tab-buttons button.active {
    background: var(--accent-color);
    color: black;
    font-weight: bold;
}

.tab-content > .info-block {
    margin-bottom: 1rem;
}

/* Works on WebKit (Chrome, Edge, Safari) */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--panel-bg);
}

::-webkit-scrollbar-thumb {
    background-color: #555;
    border-radius: 6px;
    border: 2px solid var(--panel-bg);
    transition: background 0.3s;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #777;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #555 var(--panel-bg);
}