:root {
    --bg-color: #1e1e2f;
    --panel-bg-color: #27293d;
    --primary-color: #4d7bff;
    --text-color: #dcdce0;
    --border-color: #404258;
    --input-bg-color: #31334a;
    --hover-color: #3b3d57;
    --danger-color: #f44336;

    --method-get: #4caf50;
    --method-post: #ffc107;
    --method-put: #03a9f4;
    --method-patch: #ff9800;
    --method-delete: #f44336;
    --method-other: #9e9e9e;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    height: 100vh;
}

.container {
    display: flex;
    height: 100vh;
}

.panel {
    padding: 20px;
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.left-panel {
    width: 50%;
    background-color: var(--panel-bg-color);
    border-right: 2px solid var(--border-color);
}

.right-panel {
    width: 50%;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1, h3 {
    font-weight: 500;
}

.header-actions .btn {
    margin-left: 8px;
}

/* Buttons */
.btn {
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #3a6bdd;
}

.btn-secondary {
    background-color: var(--input-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--hover-color);
}

/* Collections & Requests Tabs */
.collections-section, .requests-tabs-section {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    align-items: center;
}

.requests-tabs-section {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
    margin-bottom: 20px;
}

#requests-tabs {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

#requests-tabs li {
    padding: 8px 30px 8px 15px; /* More padding on right for close button */
    background-color: var(--input-bg-color);
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    position: relative;
    border-top: 3px solid transparent;
}

#requests-tabs li.active {
    background-color: var(--bg-color);
}

#requests-tabs li.method-get.active { border-top-color: var(--method-get); }
#requests-tabs li.method-post.active { border-top-color: var(--method-post); }
#requests-tabs li.method-put.active { border-top-color: var(--method-put); }
#requests-tabs li.method-patch.active { border-top-color: var(--method-patch); }
#requests-tabs li.method-delete.active { border-top-color: var(--method-delete); }
#requests-tabs li.method-other.active { border-top-color: var(--method-other); }

.method-badge {
    font-weight: bold;
    margin-right: 8px;
}

.method-get .method-badge { color: var(--method-get); }
.method-post .method-badge { color: var(--method-post); }
.method-put .method-badge { color: var(--method-put); }
.method-patch .method-badge { color: var(--method-patch); }
.method-delete .method-badge { color: var(--method-delete); }
.method-other .method-badge { color: var(--method-other); }

#new-request-btn {
    padding: 2px 8px;
    font-size: 18px;
}

.close-tab-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    background: none;
    border: none;
    color: var(--text-color);
    opacity: 0.6;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    border-radius: 50%;
}
.close-tab-btn:hover {
    background-color: var(--hover-color);
    opacity: 1;
}

/* Inputs & Selects */
input[type="text"], input[type="password"], select, textarea {
    background-color: var(--input-bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px;
    border-radius: 4px;
    width: 100%;
}

select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23dcdce0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 1em;
    padding-right: 2em;
}

.request-panel {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.request-name-bar {
    margin-bottom: 15px;
}

.url-bar {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
}
#method-select {
    flex-basis: 120px;
    flex-shrink: 0;
}
#url-input {
    flex-grow: 1;
}

/* Request Details Tabs */
.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.tabs-nav .tab-link, .tabs-nav .tab-link-response {
    background: none;
    border: none;
    color: var(--text-color);
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.tabs-nav .tab-link.active, .tabs-nav .tab-link-response.active {
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

.tab-content, .tab-content-response {
    display: none;
}

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

/* Key-Value Pairs */
.kv-pair {
    display: flex;
    gap: 5px;
    margin-bottom: 5px;
}
.kv-pair .kv-key { flex-grow: 1; }
.kv-pair .kv-value { flex-grow: 2; }
.btn-remove-kv {
    background: none;
    border: none;
    color: var(--danger-color);
    font-size: 20px;
    cursor: pointer;
    padding: 0 10px;
}

#body-input, #response-raw-content {
    width: 100%;
    height: 250px;
    resize: vertical;
    font-family: 'Courier New', Courier, monospace;
}

#auth-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

/* Response Panel */
.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.response-meta span {
    margin-left: 15px;
    font-size: 14px;
    color: #aaa;
}
.response-panel {
    background-color: var(--bg-color);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.response-panel pre {
    background-color: var(--input-bg-color) !important;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    height: 100%;
    overflow: auto;
    font-size: 14px;
    margin: 0;
}

#response-raw-content, #response-headers-content {
    background-color: var(--input-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 15px;
    height: calc(100vh - 180px); /* Adjust based on your header/tab heights */
    font-family: 'Courier New', Courier, monospace;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Custom Modal */
#modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

#modal-box {
    background-color: var(--panel-bg-color);
    padding: 25px;
    border-radius: 8px;
    width: 90%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

#modal-box h2 {
    margin-top: 0;
    margin-bottom: 15px;
}

#modal-box label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
}

#modal-box input {
    width: 100%;
    margin-bottom: 20px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}