/* ===== Variables ===== */
:root {
	--bg-0: #0e0f14;
	--bg-2: #1b1f35;
	--card: #121521;
	--card-2: #171b2b;
	--stroke: #2a3047;
	--accent: #ff7a59;
	--accent-2: #f6c26b;
	--text: #f2f4fb;
	--muted: #9aa3bd;
	--online: #4ade80;
	--shadow: 0 20px 40px rgba(5, 6, 15, 0.4);
}

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

body {
	font-family: "Work Sans", sans-serif;
	color: var(--text);
	background: radial-gradient(
			1200px 700px at 10% -10%,
			rgba(255, 122, 89, 0.18),
			transparent 60%
		),
		radial-gradient(
			900px 600px at 90% 10%,
			rgba(246, 194, 107, 0.2),
			transparent 55%
		),
		linear-gradient(135deg, var(--bg-0), var(--bg-2));
	min-height: 100vh;
}

.hidden {
	display: none !important;
}

/* ===== Login Screen ===== */
.login-screen {
	display: grid;
	place-items: center;
	min-height: 100vh;
}

.login-card {
	background: rgba(18, 21, 33, 0.92);
	border: 1px solid var(--stroke);
	border-radius: 24px;
	padding: 48px 40px;
	text-align: center;
	width: 380px;
	box-shadow: var(--shadow);
	backdrop-filter: blur(16px);
}

.login-title {
	font-family: "Space Grotesk", sans-serif;
	font-size: 32px;
	background: linear-gradient(120deg, var(--accent), var(--accent-2));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	margin-bottom: 8px;
}

.login-sub {
	color: var(--muted);
	font-size: 14px;
	margin-bottom: 28px;
}

.login-input {
	width: 100%;
	padding: 14px 18px;
	border-radius: 14px;
	border: 1px solid var(--stroke);
	background: var(--card-2);
	color: var(--text);
	font-size: 15px;
	outline: none;
	margin-bottom: 16px;
	transition: border-color 0.3s;
}

.login-input:focus {
	border-color: var(--accent);
}

.login-btn {
	width: 100%;
	padding: 14px;
	border: none;
	border-radius: 14px;
	background: linear-gradient(120deg, var(--accent), var(--accent-2));
	color: #1a0f07;
	font-size: 15px;
	font-weight: 700;
	cursor: pointer;
	transition: transform 0.2s, box-shadow 0.2s;
}

.login-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 24px rgba(255, 122, 89, 0.3);
}

/* ===== App Layout ===== */
.app {
	display: grid;
	grid-template-columns: 340px 1fr;
	gap: 20px;
	max-width: 1200px;
	margin: 30px auto;
	padding: 20px;
	height: calc(100vh - 60px);
}

.panel {
	background: rgba(18, 21, 33, 0.9);
	border: 1px solid var(--stroke);
	border-radius: 20px;
	box-shadow: var(--shadow);
	backdrop-filter: blur(12px);
}

/* ===== Sidebar ===== */
.sidebar {
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 14px;
	overflow: hidden;
}

.brand {
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-family: "Space Grotesk", sans-serif;
}

.brand h1 {
	font-size: 20px;
	letter-spacing: 0.5px;
}

.pill {
	font-size: 11px;
	padding: 4px 10px;
	border-radius: 999px;
	background: linear-gradient(120deg, var(--accent), var(--accent-2));
	color: #1b1010;
	font-weight: 700;
}

.search {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 14px;
	border-radius: 14px;
	background: var(--card-2);
	border: 1px solid transparent;
}

.search input {
	flex: 1;
	border: none;
	outline: none;
	background: transparent;
	color: var(--text);
	font-size: 14px;
}

.search span {
	font-size: 16px;
	color: var(--muted);
}

.list {
	display: flex;
	flex-direction: column;
	gap: 6px;
	overflow-y: auto;
	flex: 1;
	padding-right: 4px;
}

.list::-webkit-scrollbar {
	width: 5px;
}

.list::-webkit-scrollbar-thumb {
	background: rgba(255, 255, 255, 0.12);
	border-radius: 999px;
}

.chat-item {
	display: grid;
	grid-template-columns: 42px 1fr auto;
	gap: 10px;
	align-items: center;
	padding: 10px;
	border-radius: 14px;
	cursor: pointer;
	transition: background 0.2s, transform 0.2s;
}

.chat-item:hover {
	background: rgba(255, 255, 255, 0.05);
	transform: translateY(-1px);
}

.chat-item.active {
	background: rgba(255, 122, 89, 0.12);
	border: 1px solid rgba(255, 122, 89, 0.3);
}

.avatar {
	width: 42px;
	height: 42px;
	border-radius: 50%;
	background: linear-gradient(135deg, #222840, #2d3350);
	display: grid;
	place-items: center;
	font-weight: 600;
	font-size: 14px;
	font-family: "Space Grotesk", sans-serif;
	flex-shrink: 0;
}

.chat-meta h3 {
	font-size: 13px;
	font-weight: 600;
}

.chat-meta p {
	margin-top: 3px;
	font-size: 11px;
	color: var(--muted);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	max-width: 160px;
}

.badge {
	font-size: 11px;
	color: var(--muted);
}

.unread-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--accent);
}

/* ===== Main Chat ===== */
.main {
	padding: 18px 22px 20px;
	display: grid;
	grid-template-rows: auto 1fr auto;
	gap: 14px;
	overflow: hidden;
}

.header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-bottom: 10px;
	border-bottom: 1px solid var(--stroke);
}

.header-info {
	display: flex;
	align-items: center;
	gap: 12px;
}

.header h2 {
	font-size: 17px;
	font-family: "Space Grotesk", sans-serif;
}

.header small {
	color: var(--muted);
	font-size: 12px;
}

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

.my-nick {
	font-size: 13px;
	color: var(--accent-2);
	font-weight: 600;
}

.action-btn {
	border: 1px solid var(--stroke);
	background: var(--card-2);
	color: var(--text);
	border-radius: 10px;
	padding: 7px 14px;
	font-size: 12px;
	cursor: pointer;
	transition: background 0.2s;
}

.action-btn:hover {
	background: rgba(255, 255, 255, 0.08);
}

/* ===== Messages ===== */
.messages {
	display: flex;
	flex-direction: column;
	gap: 8px;
	overflow-y: auto;
	padding-right: 4px;
}

.messages::-webkit-scrollbar {
	width: 5px;
}

.messages::-webkit-scrollbar-thumb {
	background: rgba(255, 255, 255, 0.12);
	border-radius: 999px;
}

.bubble-wrap {
	display: flex;
	flex-direction: column;
	max-width: 68%;
	animation: rise 0.35s ease both;
}

.bubble-wrap.them {
	align-self: flex-start;
}

.bubble-wrap.me {
	align-self: flex-end;
}

.bubble-sender {
	font-size: 11px;
	color: var(--accent-2);
	font-weight: 600;
	margin-bottom: 3px;
	padding-left: 4px;
}

.bubble {
	padding: 11px 14px;
	border-radius: 16px;
	font-size: 14px;
	line-height: 1.45;
}

.bubble-wrap.them .bubble {
	background: var(--card-2);
	border-top-left-radius: 4px;
	border: 1px solid rgba(255, 255, 255, 0.06);
}

.bubble-wrap.me .bubble {
	background: linear-gradient(135deg, #ff7a59, #ff9b6a);
	color: #1b0f08;
	border-top-right-radius: 4px;
}

.bubble-time {
	font-size: 10px;
	color: rgba(255, 255, 255, 0.4);
	margin-top: 4px;
	padding-left: 4px;
}

.bubble-wrap.me .bubble-time {
	text-align: right;
	padding-right: 4px;
}

/* ===== Date Divider ===== */
.date-divider {
	text-align: center;
	font-size: 11px;
	color: var(--muted);
	padding: 8px 0;
}

/* ===== Typing Indicator ===== */
.typing-indicator {
	font-size: 12px;
	color: var(--muted);
	padding: 4px 8px;
	min-height: 20px;
}

/* ===== Composer ===== */
.composer {
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 10px;
	padding-top: 10px;
	border-top: 1px solid var(--stroke);
}

.composer input {
	border-radius: 14px;
	border: 1px solid var(--stroke);
	padding: 12px 16px;
	background: var(--card-2);
	color: var(--text);
	font-size: 14px;
	outline: none;
	transition: border-color 0.3s;
}

.composer input:focus {
	border-color: var(--accent);
}

.send {
	border: none;
	padding: 12px 22px;
	border-radius: 14px;
	background: linear-gradient(120deg, var(--accent), var(--accent-2));
	color: #1a0f07;
	font-weight: 700;
	font-size: 14px;
	cursor: pointer;
	transition: transform 0.2s, box-shadow 0.2s;
}

.send:hover {
	transform: translateY(-1px);
	box-shadow: 0 6px 20px rgba(255, 122, 89, 0.25);
}

/* ===== Animations ===== */
@keyframes rise {
	from {
		opacity: 0;
		transform: translateY(8px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
	.app {
		grid-template-columns: 1fr;
		margin: 12px;
		padding: 12px;
		height: auto;
	}

	.sidebar {
		max-height: 40vh;
	}

	.main {
		min-height: 55vh;
	}

	.login-card {
		width: 90vw;
		max-width: 380px;
	}
}