:root {
    --bg-dark: #0f111a;
    --bg-panel: #1a1d27;
    --bg-element: #232736;
    --border-color: #2f354a;
    --bg-hover: rgba(255, 255, 255, 0.05);
    --input-bg: #141620;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;

    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --query-key: #f472b6;
    /* Pink */
    --query-val: #34d399;
    /* Green */
    --query-base: #94a3b8;
    /* Muted */

    --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Utilities */
.text-primary {
    color: var(--primary);
}

.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-danger {
    color: var(--danger);
}

.text-muted {
    color: var(--text-muted);
}

.w-full {
    width: 100%;
}

.hidden {
    display: none !important;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mt-8 {
    margin-top: 2rem;
}

.text-xs {
    font-size: 0.75rem;
}

/* Navbar */
.navbar {
    height: 60px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand h1 {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background-color: var(--bg-hover);
    border-color: var(--text-muted);
}

.btn-text {
    background: transparent;
    color: var(--primary);
    border: none;
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.btn-text:hover {
    background: rgba(239, 68, 68, 0.1);
}

.btn-text.text-danger {
    color: var(--danger);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--bg-hover);
}

.btn-icon.text-danger:hover {
    color: white;
    background: var(--danger);
}

/* Badges / Pills */
.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.pill {
    background: var(--bg-element);
    color: var(--text-muted);
    padding: 0.15rem 0.5rem;
    border-radius: 99px;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
}

/* Layout */
.app-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.main-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    padding: 1.5rem;
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

/* Live Output Section */
.live-output-section {
    flex-shrink: 0;
    border: 1px solid rgba(59, 130, 246, 0.3);
    background: rgba(26, 29, 39, 0.8);
    backdrop-filter: blur(10px);
}

.url-display {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    padding: 1rem;
    background: var(--input-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    min-height: 80px;
}

.url-base {
    color: var(--query-base);
}

.url-query {
    color: var(--text-main);
}

.url-hash {
    color: var(--warning);
}

.hl-key {
    color: var(--query-key);
    font-weight: 600;
}

.hl-val {
    color: var(--query-val);
}

.hl-sym {
    color: var(--text-muted);
}

/* Builder Split */
.builder-split {
    display: flex;
    gap: 1.5rem;
    flex: 1;
    overflow: hidden;
}

/* Left Breakdown */
.url-breakdown {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.code-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: all 0.2s;
    resize: vertical;
}

.code-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.h-20 {
    height: 5rem;
    resize: none;
}

/* Settings Card */
.settings-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.setting-row:last-child {
    border-bottom: none;
}

.setting-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.setting-title {
    font-weight: 600;
    font-size: 0.85rem;
}

.setting-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.select-input {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
}

.select-input:focus {
    border-color: var(--primary);
}

/* Toggles */
.toggle-control {
    position: relative;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
}

.toggle-control input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-bg {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-element);
    transition: .3s;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.toggle-bg:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-muted);
    transition: .3s;
    border-radius: 50%;
}

.toggle-control input:checked+.toggle-bg {
    background-color: var(--primary);
    border-color: var(--primary);
}

.toggle-control input:checked+.toggle-bg:before {
    transform: translateX(16px);
    background-color: white;
}


/* Right Editor */
.query-editor {
    flex: 1.5;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.query-header-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.param-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-right: 0.5rem;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    gap: 0.5rem;
    color: var(--text-muted);
}

/* Param Row */
.param-row {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    background: var(--bg-dark);
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s;
}

.param-row:focus-within {
    border-color: var(--primary);
}

.handle {
    padding: 0.5rem 0.25rem;
    color: var(--text-muted);
    cursor: grab;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.param-inputs {
    display: flex;
    flex: 1;
    gap: 0.5rem;
    align-items: flex-start;
}

.param-key {
    width: 30%;
    color: var(--query-key);
    font-weight: 600;
    flex-shrink: 0;
}

.eq {
    padding: 0.5rem 0;
    color: var(--text-muted);
    font-family: var(--font-mono);
    user-select: none;
}

.param-value {
    flex: 1;
    color: var(--query-val);
    font-family: var(--font-mono);
    resize: none;
    overflow: hidden;
    min-height: 38px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}