/* MailPilot Admin — light mode, inspired by Linear / Notion */

:root {
	--bg:            #f8fafc;
	--surface:       #ffffff;
	--surface-hover: #f1f5f9;
	--border:        #e2e8f0;
	--border-strong: #cbd5e1;
	--text:          #0f172a;
	--muted:         #64748b;
	--subtle:        #94a3b8;
	--primary:       #2563eb;
	--primary-hover: #1d4ed8;
	--primary-bg:    #eff6ff;
	--danger:        #dc2626;
	--danger-bg:     #fef2f2;
	--success:       #059669;
	--success-bg:    #ecfdf5;
	--warning-bg:    #fffbeb;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
	font-family: 'Inter', system-ui, -apple-system, sans-serif;
	font-size: 14px; line-height: 1.5;
	color: var(--text); background: var(--bg);
	-webkit-font-smoothing: antialiased;
	display: flex;
}

h1 { font-size: 24px; margin: 0 0 4px 0; font-weight: 600; letter-spacing: -0.02em; }
h2 { font-size: 16px; margin: 0 0 12px 0; font-weight: 600; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin: 0 0 8px; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

code { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; background: var(--surface-hover); padding: 1px 5px; border-radius: 4px; }
code.muted { color: var(--muted); background: none; }

/* --- Sidebar --- */
.sidebar {
	width: 220px; background: var(--surface);
	border-right: 1px solid var(--border);
	padding: 20px 12px;
	display: flex; flex-direction: column;
	height: 100vh; position: sticky; top: 0;
}
.sidebar .brand { display: flex; align-items: center; gap: 8px; font-size: 15px; padding: 0 8px 20px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 500;
	background: var(--surface-hover); color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.sidebar .nav { list-style: none; margin: 0; padding: 0; flex: 1; }
.sidebar .nav li { margin-bottom: 2px; }
.sidebar .nav a {
	display: block; padding: 7px 10px; border-radius: 6px;
	color: var(--muted); font-weight: 500; font-size: 13px;
}
.sidebar .nav a:hover { background: var(--surface-hover); color: var(--text); text-decoration: none; }
.sidebar .nav li.active a { background: var(--primary-bg); color: var(--primary); }

.sidebar-foot { border-top: 1px solid var(--border); padding-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.sidebar-foot .muted { font-size: 12px; color: var(--muted); padding: 0 8px; }
.sidebar-foot .logout { font-size: 12px; padding: 0 8px; color: var(--muted); }

/* --- Main --- */
.main { flex: 1; padding: 32px 40px; max-width: 1200px; }
.main-bare { max-width: 420px; margin: 0 auto; padding-top: 10vh; }

.breadcrumb { font-size: 13px; margin-bottom: 12px; }
.breadcrumb a { color: var(--muted); }

/* --- Cards --- */
.card {
	background: var(--surface); border: 1px solid var(--border);
	border-radius: 10px; padding: 20px; margin-bottom: 20px;
}
.card.danger { border-color: #fecaca; background: var(--danger-bg); }
.card.danger h2 { color: var(--danger); }

/* --- KPI grid --- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.kpi-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 4px; }
.kpi-value { font-size: 26px; font-weight: 600; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
th, td { padding: 10px 14px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; color: var(--muted); text-transform: uppercase; font-size: 11px; letter-spacing: 0.04em; background: var(--bg); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface-hover); }

/* --- Forms --- */
form label { display: block; margin-bottom: 14px; }
form label span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; font-weight: 500; }
input, select, textarea {
	width: 100%; padding: 8px 10px; font-family: inherit; font-size: 14px;
	background: var(--surface); border: 1px solid var(--border); border-radius: 6px; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-bg); }
textarea { font-family: 'JetBrains Mono', monospace; font-size: 12px; resize: vertical; }

.field-row { display: flex; gap: 12px; }
.field-row label { flex: 1; }

.inline-form { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; }
.inline-form input, .inline-form select { width: auto; }

/* --- Buttons --- */
.btn {
	display: inline-flex; align-items: center; gap: 6px;
	padding: 7px 14px; border-radius: 6px; font-size: 13px; font-weight: 500;
	border: 1px solid transparent; cursor: pointer; text-decoration: none;
	font-family: inherit;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface-hover); color: var(--text); }
.btn-danger { background: var(--danger-bg); color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: #fee2e2; }

/* --- Badges --- */
.badge-direct     { background: #fee2e2; color: #991b1b; }
.badge-action     { background: #ffedd5; color: #9a3412; }
.badge-cc         { background: #dbeafe; color: #1e40af; }
.badge-newsletter { background: #f1f5f9; color: #475569; }
.badge-auto       { background: #e2e8f0; color: #334155; }
.badge-noise      { background: #f8fafc; color: #64748b; }
.badge-active     { background: var(--success-bg); color: var(--success); }
.badge-plan       { background: var(--primary-bg); color: var(--primary); }

/* --- Flash messages --- */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 13px; }
.flash-success { background: var(--success-bg); color: var(--success); border: 1px solid #a7f3d0; }
.flash-error   { background: var(--danger-bg);  color: var(--danger);  border: 1px solid #fecaca; }
.flash-info    { background: var(--primary-bg); color: var(--primary); border: 1px solid #bfdbfe; }

/* --- Login --- */
.login-card {
	background: var(--surface); border: 1px solid var(--border);
	border-radius: 12px; padding: 32px;
	box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}
.login-card h1 { margin-bottom: 4px; }
.login-card .muted { color: var(--muted); margin-bottom: 24px; }

/* --- DL --- */
dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0; }
dt { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
dd { margin: 0; }

/* --- Misc --- */
.muted { color: var(--muted); }

/* --- Budget & Usage dashboard --- */
.page-head { margin-bottom: 20px; }
.page-head h1 { margin: 0 0 4px; font-size: 22px; }
.page-head .muted { font-size: 13px; }

.cards-row {
	display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 14px; margin-bottom: 24px;
}
.usage-card {
	background: var(--surface); border: 1px solid var(--border);
	border-radius: 10px; padding: 16px 18px;
}
.usage-card-title {
	color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
	margin-bottom: 6px;
}
.usage-card-primary { font-size: 26px; font-weight: 600; margin-bottom: 10px; }
.usage-card-stats {
	display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; font-size: 12px;
}
.usage-card-stats > div { display: flex; justify-content: space-between; }
.usage-card-stats dt { color: var(--muted); text-transform: none; letter-spacing: 0; font-size: 12px; }
.usage-card-stats dd { font-variant-numeric: tabular-nums; }
.usage-card-stats .blocked dt, .usage-card-stats .blocked dd { color: var(--danger); }

.panel {
	background: var(--surface); border: 1px solid var(--border);
	border-radius: 10px; padding: 18px; margin-bottom: 18px;
}
.panel h2 { margin: 0 0 12px; font-size: 15px; }
.panel.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .panel.two-col { grid-template-columns: 1fr; } }

.chart-trend {
	display: flex; align-items: flex-end; gap: 4px; height: 140px;
	border-bottom: 1px solid var(--border); padding-bottom: 4px;
}
.chart-bar { flex: 1; min-width: 12px; display: flex; flex-direction: column; align-items: stretch; }
.chart-bar-fill { background: var(--primary); border-radius: 2px 2px 0 0; min-height: 1px; margin-top: auto; }
.chart-bar-label {
	font-size: 9px; color: var(--muted); text-align: center; margin-top: 4px;
	font-variant-numeric: tabular-nums;
}

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td {
	text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border);
	font-variant-numeric: tabular-nums;
}
.data-table th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500; }
.data-table.dense th, .data-table.dense td { padding: 5px 8px; font-size: 12px; }
.data-table tr.status-blocked { background: var(--danger-bg); }
.data-table tr.status-error   { background: #fef2f2; }

.pill { padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 500; }
.pill-warn  { background: #fef3c7; color: #92400e; }
.pill-error { background: var(--danger-bg); color: var(--danger); }

.form-grid {
	display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 16px;
}
.form-grid label { display: flex; flex-direction: column; gap: 4px; }
.form-grid label > span { font-size: 12px; color: var(--muted); }
.form-grid input, .form-grid select {
	padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
	background: var(--surface); font-size: 14px; font-family: inherit;
}
.form-grid input:focus, .form-grid select:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.form-grid small { font-size: 11px; color: var(--muted); }
.form-actions { grid-column: 1 / -1; margin-top: 8px; }

.data-table input[type=text], .data-table input[type=number] {
	width: 100%; box-sizing: border-box;
	padding: 4px 6px; border: 1px solid var(--border); border-radius: 4px;
	background: var(--surface); font-size: 12px; font-family: inherit;
	font-variant-numeric: tabular-nums;
}

.pill-info { background: #dbeafe; color: #1e40af; }
.pill-ok   { background: var(--success-bg); color: var(--success); }
.error-text { font-size: 11px; cursor: help; word-break: break-word; }

/* System-Settings page: long-text snippets vs. short tuning fields */
.form-stack { display: flex; flex-direction: column; gap: 16px; }
.settings-field { display: flex; flex-direction: column; gap: 4px; }
.settings-key { font-size: 12px; color: var(--muted); }
.settings-field input[type=text],
.settings-field input[type=number],
.settings-field textarea {
	width: 100%; box-sizing: border-box;
	padding: 6px 8px; border: 1px solid var(--border); border-radius: 4px;
	background: var(--surface); font-size: 13px; font-family: inherit;
}
.settings-field textarea {
	font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
	font-size: 12px; line-height: 1.45; resize: vertical;
}
.settings-field input:focus, .settings-field textarea:focus {
	outline: 2px solid var(--primary); outline-offset: -1px;
}