:root {
	color-scheme: dark;
	--bg: #0a0b10;
	--panel: rgba(23, 26, 36, 0.72);
	--panel-solid: #171a24;
	--panel-2: #1e2230;
	--border: rgba(255, 255, 255, 0.08);
	--border-strong: rgba(255, 255, 255, 0.14);
	--text: #eef0f5;
	--text-dim: #9299ac;
	--accent: #7c6cf0;
	--accent-2: #4fd1c5;
	--accent-grad: linear-gradient(135deg, #7c6cf0 0%, #a45cf0 50%, #ec6ad0 100%);
	--success: #34d399;
	--danger: #f87171;
	--warn: #fbbf24;
	--radius: 14px;
	--radius-sm: 9px;
	--shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
	--shadow-glow: 0 0 0 1px rgba(124, 108, 240, 0.25), 0 8px 24px rgba(124, 108, 240, 0.15);
}

* { box-sizing: border-box; }

body {
	margin: 0;
	min-height: 100vh;
	background: var(--bg);
	color: var(--text);
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	font-size: 14px;
	position: relative;
	letter-spacing: -0.01px;
}

.bg-glow {
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background:
		radial-gradient(650px circle at 12% -5%, rgba(124, 108, 240, 0.22), transparent 60%),
		radial-gradient(550px circle at 100% 10%, rgba(79, 209, 197, 0.14), transparent 55%),
		radial-gradient(500px circle at 50% 100%, rgba(236, 106, 208, 0.10), transparent 60%);
}

a { color: inherit; text-decoration: none; }

::selection { background: rgba(124, 108, 240, 0.35); }

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

.topbar {
	position: sticky;
	top: 0;
	z-index: 10;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 28px;
	background: rgba(12, 13, 20, 0.75);
	backdrop-filter: blur(14px) saturate(140%);
	-webkit-backdrop-filter: blur(14px) saturate(140%);
	border-bottom: 1px solid var(--border);
}
.topbar .brand {
	font-weight: 800;
	font-size: 16.5px;
	letter-spacing: -0.2px;
	display: flex;
	align-items: center;
	gap: 8px;
}
.topbar .brand::before {
	content: "";
	width: 9px;
	height: 9px;
	border-radius: 3px;
	background: var(--accent-grad);
	box-shadow: 0 0 12px rgba(124, 108, 240, 0.7);
}
.topbar .brand span {
	background: var(--accent-grad);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}
.topbar nav a {
	margin-left: 22px;
	color: var(--text-dim);
	font-size: 13px;
	font-weight: 500;
	position: relative;
	padding-bottom: 3px;
	transition: color 0.15s ease;
}
.topbar nav a:hover { color: var(--text); }
.topbar nav a::after {
	content: "";
	position: absolute;
	left: 0; bottom: -3px;
	width: 0%; height: 2px;
	background: var(--accent-grad);
	border-radius: 2px;
	transition: width 0.2s ease;
}
.topbar nav a:hover::after { width: 100%; }
.topbar .user-chip {
	font-size: 12px;
	color: var(--text-dim);
	background: var(--panel-2);
	border: 1px solid var(--border);
	padding: 5px 12px;
	border-radius: 100px;
}

.container {
	position: relative;
	z-index: 1;
	max-width: 1100px;
	margin: 0 auto;
	padding: 32px 20px 70px;
	animation: fadein 0.35s ease;
}

@keyframes fadein {
	from { opacity: 0; transform: translateY(6px); }
	to { opacity: 1; transform: translateY(0); }
}

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 720px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
	background: var(--panel);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 22px;
	box-shadow: var(--shadow);
	transition: border-color 0.2s ease, transform 0.2s ease;
}
.card h3 {
	margin: 0 0 4px;
	font-size: 12.5px;
	color: var(--text-dim);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}
.card .big {
	font-size: 30px;
	font-weight: 800;
	margin-top: 8px;
	letter-spacing: -0.5px;
	background: linear-gradient(135deg, #fff, #c9cbe0);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.grid-3 > .card:hover, .grid-2 > .card:hover { border-color: var(--border-strong); transform: translateY(-2px); }

.balance-display { cursor: pointer; transition: opacity 0.15s ease; }
.balance-display:hover { opacity: 0.75; }
.balance-display::after { content: " ✎"; font-size: 15px; opacity: 0.4; }

.section-title {
	font-size: 15.5px;
	font-weight: 700;
	letter-spacing: -0.2px;
	margin: 36px 0 14px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.section-title::before {
	content: "";
	display: inline-block;
	width: 4px;
	height: 16px;
	background: var(--accent-grad);
	border-radius: 3px;
	margin-right: 10px;
	vertical-align: -2px;
}

table {
	width: 100%;
	border-collapse: separate;
	border-spacing: 0;
	background: var(--panel);
	backdrop-filter: blur(10px);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow);
}
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
th {
	color: var(--text-dim);
	font-weight: 600;
	font-size: 11.5px;
	text-transform: uppercase;
	letter-spacing: 0.4px;
	background: rgba(255, 255, 255, 0.02);
}
tr:last-child td { border-bottom: none; }
tbody tr { transition: background 0.15s ease; }
tbody tr:hover td { background: rgba(255, 255, 255, 0.025); }

.badge {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 4px 11px;
	border-radius: 100px;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.2px;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.active { background: rgba(52, 211, 153, 0.14); color: var(--success); }
.badge.disabled, .badge.suspended { background: rgba(248, 113, 113, 0.14); color: var(--danger); }
.badge.topup { background: rgba(52, 211, 153, 0.14); color: var(--success); }
.badge.usage { background: rgba(248, 113, 113, 0.14); color: var(--danger); }
.badge.adjustment { background: rgba(251, 191, 36, 0.14); color: var(--warn); }

.badge-btn {
	font-family: inherit;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.12s ease, border-color 0.15s ease, filter 0.15s ease;
}
.badge-btn:hover { transform: translateY(-1px); filter: brightness(1.15); border-color: currentColor; }
.badge-btn:active { transform: translateY(0); }

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 10px 18px;
	border-radius: var(--radius-sm);
	background: var(--accent-grad);
	color: white;
	border: none;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.1px;
	cursor: pointer;
	box-shadow: 0 4px 14px rgba(124, 108, 240, 0.35);
	transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(124, 108, 240, 0.5); filter: brightness(1.06); }
.btn:active { transform: translateY(0); }
.btn.secondary {
	background: var(--panel-2);
	border: 1px solid var(--border-strong);
	color: var(--text);
	box-shadow: none;
}
.btn.secondary:hover { background: #262b3a; box-shadow: none; border-color: rgba(255,255,255,0.22); }
.btn.danger { background: linear-gradient(135deg, #f87171, #ef4444); box-shadow: 0 4px 14px rgba(248, 113, 113, 0.3); }
.btn.danger:hover { box-shadow: 0 6px 20px rgba(248, 113, 113, 0.45); }
.btn.small { padding: 6px 12px; font-size: 12px; }

form.inline { display: inline; }

.form-card { max-width: 480px; }
label { display: block; font-size: 12.5px; font-weight: 500; color: var(--text-dim); margin: 14px 0 6px; }
input, select {
	width: 100%;
	padding: 11px 13px;
	border-radius: var(--radius-sm);
	border: 1px solid var(--border-strong);
	background: rgba(0, 0, 0, 0.2);
	color: var(--text);
	font-size: 13.5px;
	font-family: inherit;
	transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
input::placeholder { color: #5c6379; }
input:focus, select:focus {
	outline: none;
	border-color: var(--accent);
	background: rgba(124, 108, 240, 0.06);
	box-shadow: 0 0 0 3px rgba(124, 108, 240, 0.15);
}
input[type="checkbox"] { width: auto; accent-color: var(--accent); }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-dim) 50%), linear-gradient(135deg, var(--text-dim) 50%, transparent 50%); background-position: calc(100% - 18px) center, calc(100% - 13px) center; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; color-scheme: dark; }
select option { background: var(--panel-solid); color: var(--text); }

.login-wrap {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	z-index: 1;
}
.login-card { width: 380px; animation: fadein 0.4s ease; }
.login-card h1 { font-size: 22px; margin-bottom: 4px; font-weight: 800; letter-spacing: -0.4px; }
.login-card p { color: var(--text-dim); margin-top: 0; font-size: 13px; }

.error-msg {
	background: rgba(248, 113, 113, 0.1);
	border: 1px solid rgba(248, 113, 113, 0.25);
	color: #fca5a5;
	padding: 11px 14px;
	border-radius: var(--radius-sm);
	margin-bottom: 12px;
	font-size: 13px;
}

.sip-uri-box {
	font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
	background: rgba(0, 0, 0, 0.25);
	border: 1px solid var(--border-strong);
	border-radius: 8px;
	padding: 8px 12px;
	font-size: 12.5px;
	color: var(--accent-2);
	word-break: break-all;
	display: inline-block;
}

.muted { color: var(--text-dim); }
.flex { display: flex; align-items: center; gap: 10px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.mt-0 { margin-top: 0; }

.template-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
	gap: 12px;
	margin-bottom: 20px;
}
.template-card {
	position: relative;
	display: block;
	background: linear-gradient(160deg, rgba(255,255,255,0.035), rgba(255,255,255,0));
	border: 1px solid var(--border-strong);
	border-radius: var(--radius-sm);
	padding: 15px;
	cursor: pointer;
	transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.template-card:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.24); }
.template-card input[type="radio"] { position: absolute; top: 13px; right: 13px; width: auto; accent-color: var(--accent); }
.template-card:has(input:checked) {
	border-color: var(--accent);
	background: linear-gradient(160deg, rgba(124, 108, 240, 0.14), rgba(124, 108, 240, 0.02));
	box-shadow: var(--shadow-glow);
}
.template-card-title { font-weight: 700; font-size: 13.5px; margin-bottom: 5px; padding-right: 22px; letter-spacing: -0.1px; }
.template-card-desc { font-size: 12px; color: var(--text-dim); line-height: 1.45; }

.kb-checklist {
	max-height: 180px;
	overflow-y: auto;
	border: 1px solid var(--border-strong);
	border-radius: var(--radius-sm);
	padding: 8px 10px;
	background: rgba(0, 0, 0, 0.15);
}
.kb-check-item {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 6px 2px;
	font-size: 13px;
	font-weight: 400;
	color: var(--text);
	margin: 0;
	cursor: pointer;
}
.kb-check-item input { width: auto; accent-color: var(--accent); }
.kb-check-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

details { border-top: 1px solid var(--border); padding-top: 14px; }
details summary { list-style: none; display: flex; align-items: center; gap: 6px; }
details summary::-webkit-details-marker { display: none; }
details summary::before {
	content: "▸";
	display: inline-block;
	font-size: 10px;
	color: var(--accent);
	transition: transform 0.15s ease;
}
details[open] summary::before { transform: rotate(90deg); }

h4 { color: var(--text-dim); }