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

:root {
	--bg: #ffffff;
	--bg2: #f5f7fa;
	--bg3: #eef1f5;
	--bg-hover: #e8ebf0;
	--border: #e0e4ea;
	--text: #1a1d21;
	--text2: #6b7280;
	--accent: #2970ff;
	--accent2: #4f8cff;
	--accent-glow: rgba(41, 112, 255, 0.08);
	--success: #10b981;
	--error: #ef4444;
	--radius: 16px;
	--rs: 10px;
	--shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 2px 12px rgba(0, 0, 0, 0.04)
}

html,
body {
	height: 100%;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	background: var(--bg);
	color: var(--text);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	font-weight: 400
}

body {
	display: flex;
	flex-direction: column
}

header {
	background: #fff;
	border-bottom: 1px solid var(--border);
	padding: 16px 0;
	flex-shrink: 0
}

.hdr {
	max-width: 720px;
	margin: 0 auto;
	padding: 0 24px
}

.hdr h1 {
	font-size: 22px;
	font-weight: 600;
	letter-spacing: -0.3px
}

.hdr .sub {
	color: var(--text2);
	font-size: 13px;
	margin-top: 2px
}

.bucket-bar {
	max-width: 720px;
	margin: 10px auto 0;
	padding: 0 24px;
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap
}

.bucket-select {
	position: relative;
	cursor: pointer;
	min-width: 150px;
}

.bucket-select-trigger {
	appearance: none;
	background: #fff;
	color: var(--text);
	border: 1px solid var(--border);
	border-radius: var(--rs);
	padding: 7px 32px 7px 12px;
	font-size: 13px;
	cursor: pointer;
	outline: none;
	transition: border .2s;
	display: flex;
	align-items: center;
	white-space: nowrap;
	user-select: none;
}

.bucket-select-trigger:focus,
.bucket-select-trigger.open {
	border-color: var(--accent);
	box-shadow: 0 0 0 3px rgba(41, 112, 255, 0.1)
}

.bucket-select-trigger::after {
	content: '▾';
	margin-left: auto;
	padding-left: 8px;
	color: var(--text2);
	font-size: 10px;
}

.bucket-options {
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	margin-top: 2px;
	background: #fff;
	border: 1px solid var(--border);
	border-radius: var(--rs);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
	z-index: 100;
	max-height: 200px;
	overflow-y: auto;
}
.bucket-options[hidden] {
	display: none;
}
.bucket-option {
	padding: 8px 12px;
	font-size: 13px;
	cursor: pointer;
	transition: background .15s;
}
.bucket-option:hover {
	background: var(--accent-glow);
}
.bucket-option.active {
	color: var(--accent);
	font-weight: 500;
}

.bucket-btn {
	background: var(--bg3);
	color: var(--text);
	border: 1px solid var(--border);
	border-radius: var(--rs);
	padding: 6px 12px;
	font-size: 12px;
	cursor: pointer;
	transition: all .2s;
	font-weight: 500
}

.bucket-btn:hover {
	background: var(--bg-hover);
	border-color: var(--accent)
}

.bucket-name {
	font-size: 13px;
	color: var(--text2);
	margin-left: auto
}

.bucket-name strong {
	color: var(--text);
	font-weight: 500
}

.container {
	max-width: 720px;
	margin: 0 auto;
	padding: 24px;
	flex: 1;
	width: 100%
}

.uz {
	border: 2px dashed var(--border);
	border-radius: var(--radius);
	padding: 44px 24px;
	text-align: center;
	cursor: pointer;
	transition: all .3s;
	background: var(--bg2);
	outline: none
}

.uz:hover,
.uz.drag-over,
.uz:focus {
	border-color: var(--accent);
	background: var(--accent-glow);
	box-shadow: 0 0 48px rgba(41, 112, 255, .05)
}

.uz .icon {
	font-size: 40px;
	margin-bottom: 10px
}

.uz .txt {
	font-size: 15px;
	margin-bottom: 6px;
	color: var(--text2)
}

.uz .link {
	color: var(--accent);
	font-weight: 500
}

.uz .hint {
	font-size: 12px;
	color: var(--text2)
}

.pw {
	background: var(--bg2);
	border-radius: var(--radius);
	padding: 16px;
	margin-top: 12px
}

.pb {
	height: 4px;
	background: #e5e7eb;
	border-radius: 3px;
	overflow: hidden;
	margin-bottom: 8px
}

.pf {
	height: 100%;
	width: 0%;
	background: var(--accent);
	border-radius: 3px;
	transition: width .4s ease
}

.pt {
	font-size: 12px;
	color: var(--text2);
	text-align: center
}

.st {
	padding: 8px 12px;
	border-radius: var(--rs);
	margin-top: 10px;
	font-size: 12px;
	animation: sd .3s
}

.st.ok {
	background: #ecfdf5;
	border: 1px solid #a7f3d0;
	color: #059669
}

.st.err {
	background: #fef2f2;
	border: 1px solid #fecaca;
	color: #dc2626
}

.st.info {
	background: #eff6ff;
	border: 1px solid #bfdbfe;
	color: #2563eb
}

@keyframes sd {
	from {
		opacity: 0;
		transform: translateY(-6px)
	}

	to {
		opacity: 1;
		transform: translateY(0)
	}
}

.card {
	margin-top: 14px;
	background: var(--bg2);
	border-radius: var(--radius);
	border: 1px solid var(--border);
	overflow: hidden;
	box-shadow: var(--shadow)
}

.card-h {
	padding: 14px 18px;
	border-bottom: 1px solid var(--border);
	font-size: 13px;
	font-weight: 600;
	letter-spacing: .2px
}

.card-b {
	padding: 16px 18px
}

.card-placeholder {
	color: var(--text2);
	font-size: 13px;
	text-align: center;
	padding: 24px 16px
}

.card-info {
	font-size: 13px;
	line-height: 1.8
}

.card-info .row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 4px 0
}

.card-info .label {
	color: var(--text2)
}

.card-info .value {
	font-weight: 500;
	text-align: right;
	word-break: break-all;
	color: var(--text)
}

.btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 10px 22px;
	border-radius: var(--rs);
	border: none;
	font-size: 13px;
	font-weight: 500;
	cursor: pointer;
	transition: all .2s;
	letter-spacing: .2px
}

.btn-primary {
	background: var(--accent);
	color: #fff;
	box-shadow: 0 1px 4px rgba(41, 112, 255, 0.2)
}

.btn-primary:hover {
	box-shadow: 0 4px 12px rgba(41, 112, 255, 0.3);
	transform: translateY(-1px)
}

.btn-secondary {
	background: var(--bg3);
	color: var(--text);
	border: 1px solid var(--border)
}

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

.btn-block {
	width: 100%;
	justify-content: center;
	margin-top: 10px
}

.btn-sm {
	padding: 5px 10px;
	font-size: 11px
}

.hint-box {
	margin-top: 14px;
	padding: 14px 18px;
	background: var(--bg2);
	border-radius: var(--radius);
	border: 1px solid var(--border);
	font-size: 12px;
	color: var(--text2);
	line-height: 1.8
}

.hint-box code {
	background: var(--bg3);
	padding: 2px 6px;
	border-radius: 4px;
	font-size: 11px;
	color: var(--text)
}

.icon {
	width: 18px;
	height: 18px;
	vertical-align: middle;
	flex-shrink: 0;
	display: inline-block
}

.icon-lg {
	width: 22px;
	height: 22px
}

.icon-xl {
	width: 40px;
	height: 40px;
	margin-bottom: 8px;
	color: var(--text2)
}

::-webkit-scrollbar {
	width: 5px
}

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

::-webkit-scrollbar-thumb {
	background: #d1d5db;
	border-radius: 3px
}

::-webkit-scrollbar-thumb:hover {
	background: #9ca3af
}

@media(max-width:500px) {
	.container {
		padding: 16px
	}

	.uz {
		padding: 32px 16px
	}

	.hdr h1 {
		font-size: 19px
	}

	.bucket-bar {
		padding: 0 16px
	}

	.bucket-bar {
		flex-wrap: wrap
	}
}

/* Overlay (loading / dialog backdrop) */
.overlay {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.45);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 999;
}
.overlay[hidden] {
	display: none;
}

/* Loading spinner */
.spinner {
	width: 32px;
	height: 32px;
	border: 3px solid rgba(255, 255, 255, 0.6);
	border-top-color: #fff;
	border-radius: 50%;
	animation: spin .8s linear infinite;
}
@keyframes spin {
	to {
		transform: rotate(360deg)
	}
}
#loadingText {
	color: #fff;
	margin-top: 14px;
	font-size: 14px;
	text-align: center;
}

/* Dialog */
.dialog {
	background: #fff;
	border-radius: var(--radius);
	padding: 24px;
	width: 320px;
	max-width: 88vw;
	box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
}
.dialog-title {
	font-size: 15px;
	font-weight: 600;
	color: var(--text);
}
.dialog-input {
	display: block;
	width: 100%;
	margin-top: 14px;
	padding: 9px 12px;
	border: 1px solid var(--border);
	border-radius: var(--rs);
	font-size: 14px;
	outline: none;
	background: #fff;
	color: var(--text);
	transition: border .2s;
}
.dialog-input:focus {
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-glow);
}
.dialog-btns {
	display: flex;
	gap: 8px;
	justify-content: flex-end;
	margin-top: 16px;
}