:root {
	--bg: #0a0e1a;
	--card: #1a1f2e;
	--text: #ffffff;
	--muted: #8b95a7;
	--primary: #4a9eff;
	--primary-700: #2d7ce8;
	--danger: #ff4757;
	--success: #2ed573;
	--border: #2a3441;
	--vk-blue: #4a9eff;
	--kali-cyan: #00d4ff;
	--kali-blue: #0066ff;
	--accent: #ff6b35;
	--glass: rgba(26, 31, 46, 0.8);
	--glass-border: rgba(255, 255, 255, 0.1);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        linear-gradient(135deg, #0a0e1a 0%, #1a1f2e 100%);
    background-attachment: fixed;
	/* background-image: url("wallpaper.png"); */
    color: var(--text);
    min-height: 100vh;
}

/* Layout with sidebar */
.app-layout { 
	display: grid; 
	grid-template-columns: 280px 1fr; 
	gap: 24px; 
	max-width: 1600px; 
	margin: 24px auto; 
	padding: 0 24px; 
}

.sidebar {
	position: sticky; 
	top: 24px; 
	align-self: start;
	background: var(--glass);
	backdrop-filter: blur(20px);
	border: 1px solid var(--glass-border);
	border-radius: 20px;
	box-shadow: 
		0 20px 40px rgba(0,0,0,0.4),
		0 0 0 1px rgba(255,255,255,0.05);
	padding: 24px;
	height: fit-content;
}
.brand { 
	display: flex; 
	align-items: center; 
	gap: 12px; 
	margin-bottom: 32px; 
	padding: 16px; 
	border-radius: 16px; 
	background: linear-gradient(135deg, rgba(74, 158, 255, 0.1), rgba(0, 212, 255, 0.05)); 
	border: 1px solid rgba(74, 158, 255, 0.2); 
}
.brand-icon { 
	font-size: 24px; 
	filter: drop-shadow(0 0 10px rgba(74, 158, 255, 0.5)); 
}
.brand-text { 
	font-weight: 700; 
	font-size: 18px; 
	letter-spacing: -0.5px; 
}
.tab-groups { display: flex; flex-direction: column; gap: 24px; }
/* .tab-group { } */
.group-title { 
	font-size: 12px; 
	font-weight: 600; 
	text-transform: uppercase; 
	letter-spacing: 1px; 
	color: var(--muted); 
	margin-bottom: 12px; 
	padding-left: 4px; 
}
.tabs { display: flex; flex-direction: column; gap: 8px; }
.tab-link {
	display: flex;
	align-items: center;
	gap: 12px;
	text-align: left;
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid transparent;
	color: var(--text);
	border-radius: 12px;
	padding: 14px 16px;
	cursor: pointer;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	font-weight: 500;
	position: relative;
	overflow: hidden;
}
.tab-link::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: linear-gradient(135deg, var(--vk-blue), var(--kali-blue));
	opacity: 0;
	transition: opacity 0.3s ease;
	z-index: -1;
}
.tab-link:hover { 
	background: rgba(255, 255, 255, 0.08); 
	transform: translateY(-2px); 
	box-shadow: 0 8px 25px rgba(74, 158, 255, 0.15);
	border-color: rgba(74, 158, 255, 0.3);
}
.tab-link.active { 
	background: linear-gradient(135deg, var(--vk-blue), var(--kali-blue)); 
	color: #fff; 
	border-color: transparent; 
	box-shadow: 0 8px 25px rgba(74, 158, 255, 0.3);
}
.tab-icon { font-size: 18px; }
.tab-text { font-size: 14px; }

/* Tabs content visibility */
.tab-content > .card { display: none; }
.tab-content > .card.active { display: block; }

.app-header, .app-footer {
	padding: 16px 20px;
	border-bottom: 1px solid var(--border);
	background: rgba(0,0,0,0.2);
}
.app-footer { border-top: 1px solid var(--border); border-bottom: none; }
.app-header h1 { margin: 0 0 4px; font-size: 22px; }
.subtitle { margin: 0; color: var(--muted); font-size: 13px; }

.container {
	max-width: 100%;
	margin: 0;
	padding: 0;
}

.card {
	background: var(--glass);
	backdrop-filter: blur(20px);
	border: 1px solid var(--glass-border);
	border-radius: 20px;
	padding: 32px;
	margin-bottom: 24px;
	box-shadow: 
		0 20px 40px rgba(0,0,0,0.3),
		0 0 0 1px rgba(255,255,255,0.05);
	position: relative;
}
.card h2 { 
	margin-top: 0; 
	font-size: 24px; 
	font-weight: 700; 
	margin-bottom: 24px; 
	background: linear-gradient(135deg, var(--text), var(--muted));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

/* Futuristic accent line (Kali vibe) */
.card::before {
	content: '';
	position: absolute; inset: 0 0 auto 0; height: 3px;
	background: linear-gradient(90deg, rgba(39,135,245,0.9), rgba(0,198,255,0.8));
	opacity: 0.3; border-top-left-radius: 12px; border-top-right-radius: 12px;
}

.grid-2 {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 12px;
}

.row { display: flex; gap: 10px; align-items: center; }
.wrap { flex-wrap: wrap; }

.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field span { color: var(--muted); font-size: 12px; }
.form-field input, .form-field select {
	background: #0d142b;
	color: var(--text);
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 10px 12px;
	outline: none;
}
.message-input { flex: 1 1 360px; background: #0d142b; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.form-field input:focus, .form-field select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.2); }

.btn {
	background: rgba(255, 255, 255, 0.05);
	color: var(--text);
	border: 1px solid var(--glass-border);
	border-radius: 12px;
	padding: 12px 20px;
	cursor: pointer;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	font-weight: 500;
	position: relative;
	overflow: hidden;
}
.btn::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: linear-gradient(135deg, var(--vk-blue), var(--kali-blue));
	opacity: 0;
	transition: opacity 0.3s ease;
	z-index: -1;
}
.btn:hover { 
	transform: translateY(-2px); 
	border-color: var(--vk-blue); 
	box-shadow: 0 8px 25px rgba(74, 158, 255, 0.2);
	background: rgba(255, 255, 255, 0.08);
}
.btn.primary { 
	background: linear-gradient(135deg, var(--vk-blue), var(--kali-blue)); 
	border-color: transparent; 
	color: #fff; 
	box-shadow: 0 4px 15px rgba(74, 158, 255, 0.3);
}
.btn.primary:hover { 
	filter: brightness(1.1); 
	box-shadow: 0 8px 25px rgba(74, 158, 255, 0.4);
	transform: translateY(-3px);
}

.status { color: var(--muted); font-size: 12px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 8px; }
.result { margin-top: 10px; font-size: 13px; }
.preview { max-width: 100%; max-height: 260px; display: block; margin-top: 8px; border-radius: 8px; border: 1px solid var(--border); }

progress { height: 10px; }
.hidden { display: none; }

.logs {
	background: #0d142b;
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 12px;
	max-height: 260px;
	overflow: auto;
	font-size: 12px;
}

/* Scrollbars */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 10px; border: 2px solid rgba(0,0,0,0.2); }
*::-webkit-scrollbar-track { background: rgba(0,0,0,0.1); }

code { background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 6px; }

.gallery {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
	gap: 12px;
}
.card-item {
	border: 1px solid var(--border);
	border-radius: 10px;
	background: #0d142b;
	padding: 10px;
	display: flex;
	flex-direction: column;
	gap: 8px;
}
.card-item .thumb { width: 100%; max-height: 160px; object-fit: cover; border-radius: 6px; }
.card-item .meta { color: var(--muted); font-size: 12px; }
.card-item .row { justify-content: space-between; }

/* Messages display */
.messages-container {
	margin-top: 32px;
	padding-top: 24px;
	border-top: 1px solid var(--glass-border);
}
.messages-container h3 {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 16px;
	color: var(--text);
}
.messages-list {
	display: flex;
	flex-direction: column;
	gap: 12px;
	max-height: 400px;
	overflow-y: auto;
	padding-right: 8px;
}
.message-item {
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid var(--glass-border);
	border-radius: 12px;
	padding: 16px;
	transition: all 0.3s ease;
}
.message-item:hover {
	background: rgba(255, 255, 255, 0.06);
	transform: translateY(-1px);
}
.message-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 8px;
}
.message-time {
	font-size: 12px;
	color: var(--muted);
}
.message-text {
	font-size: 14px;
	line-height: 1.5;
	color: var(--text);
}
.message-status {
	display: inline-block;
	padding: 4px 8px;
	border-radius: 6px;
	font-size: 11px;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}
.message-status.sent {
	background: rgba(46, 213, 115, 0.2);
	color: var(--success);
	border: 1px solid rgba(46, 213, 115, 0.3);
}
.message-status.error {
	background: rgba(255, 71, 87, 0.2);
	color: var(--danger);
	border: 1px solid rgba(255, 71, 87, 0.3);
}

/* Responsive */
@media (max-width: 960px) {
	.app-layout { 
		grid-template-columns: 1fr; 
		gap: 16px;
		margin: 16px auto;
		padding: 0 16px;
	}
	.sidebar { 
		position: static; 
		order: -1; 
		margin-bottom: 16px;
	}
	.tab-groups {
		display: grid;
		grid-template-columns: 1fr 1fr;
		gap: 16px;
	}
	.tabs { 
		flex-direction: column; 
		gap: 6px; 
	}
	.tab-link { 
		padding: 12px 14px;
	}
	.card {
		padding: 24px;
	}
}