:root { color-scheme: dark; --bg: #091020; --surface-deep: #0b1326; --surface: #111c32; --surface-soft: #16233c; --border: #243451; --text: #f4f7fc; --muted: #8fa0ba; --primary: #4c7dff; --accent: #34d1bf; --danger: #f16b7c; --warning: #f3ba63; --radius: 10px; }
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; background: radial-gradient(circle at 85% -10%, rgba(76,125,255,.13), transparent 28rem), var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-feature-settings: "cv02", "cv03", "cv04"; }
a { color: #8eaaff; }
button, input, textarea { font: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgba(52,209,191,.65); outline-offset: 2px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .4rem; font-size: clamp(1.85rem, 4vw, 2.65rem); letter-spacing: -.035em; }
h2 { margin-bottom: .55rem; font-size: 1.08rem; }
p { color: var(--muted); line-height: 1.6; }
.page-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.7rem; padding-bottom: 1.35rem; border-bottom: 1px solid var(--border); }
.page-heading p { margin-bottom: 0; }
.eyebrow { display: block; margin-bottom: .45rem; color: #7f9df1; font-size: .68rem; font-weight: 750; text-transform: uppercase; letter-spacing: .13em; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: .5rem .9rem; color: var(--text); background: var(--surface-soft); border: 1px solid var(--border); border-radius: 8px; text-decoration: none; font-weight: 650; }
.button-primary { background: var(--primary); border-color: var(--primary); box-shadow: 0 10px 28px rgba(76,125,255,.18); }
.button:disabled { opacity: .48; cursor: not-allowed; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.metric-card, .panel, .empty-state { background: linear-gradient(145deg, rgba(19,31,54,.96), rgba(13,23,42,.96)); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 16px 40px rgba(0,0,0,.12); }
.metric-card { padding: 1.1rem; }
.metric-card > span, .metric-card small { display: block; color: var(--muted); }
.metric-card > span { font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.metric-card strong { display: block; margin: .45rem 0 .2rem; font-size: 1.85rem; }
.metric-card small { font-size: .75rem; }
.status-neutral { color: var(--warning); font-size: 1.2rem !important; }
.dashboard-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; }
.panel { padding: 1.25rem; }
.panel-heading { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.badge { display: inline-flex; padding: .28rem .5rem; color: #a8b9d5; background: rgba(143,160,186,.08); border: 1px solid var(--border); border-radius: 999px; font-size: .68rem; font-weight: 700; white-space: nowrap; }
.badge-warning { color: var(--warning); border-color: rgba(243,186,99,.35); background: rgba(243,186,99,.08); }
.workflow { display: grid; grid-template-columns: repeat(5, 1fr); gap: .7rem; margin-top: 1.25rem; }
.workflow-step { position: relative; min-height: 112px; padding: .8rem; background: rgba(7,14,28,.48); border: 1px solid var(--border); border-radius: 8px; }
.workflow-step > span { width: 26px; height: 26px; display: grid; place-items: center; margin-bottom: .7rem; color: var(--muted); background: var(--surface-soft); border: 1px solid var(--border); border-radius: 50%; font-size: .72rem; }
.workflow-step.complete > span { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.workflow-step strong, .workflow-step small { display: block; }
.workflow-step small { margin-top: .3rem; color: var(--muted); line-height: 1.35; }
.channel-list, .check-list { list-style: none; padding: 0; margin: 1rem 0; }
.channel-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .68rem 0; border-bottom: 1px solid var(--border); }
.channel-list li span { color: var(--muted); font-size: .72rem; }
.check-list li { padding: .55rem 0 .55rem 1.6rem; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }
.note { margin: 1rem 0 0; font-size: .78rem; }
.empty-state { min-height: 300px; display: grid; place-content: center; justify-items: center; text-align: center; padding: 2rem; }
.empty-state p { max-width: 560px; }
.empty-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 1rem; color: #82a4ff; background: rgba(76,125,255,.1); border: 1px solid rgba(76,125,255,.28); border-radius: 12px; }
.form-preview, .config-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
label { display: block; margin: 1rem 0 .45rem; color: #c9d4e5; font-size: .78rem; font-weight: 650; }
textarea, .panel input:not([type="checkbox"]), .panel select { width: 100%; padding: .8rem; color: var(--text); background: rgba(7,14,28,.55); border: 1px solid var(--border); border-radius: 8px; }
textarea { min-height: 96px; resize: vertical; }
.panel form { margin-top: 1rem; }
.panel form .button { margin-top: 1rem; }
.panel hr { margin: 1.5rem 0; border: 0; border-top: 1px solid var(--border); }
textarea:disabled { opacity: .7; }
.security-banner { display: flex; gap: .7rem; align-items: baseline; margin-bottom: 1rem; padding: 1rem 1.2rem; color: #f5d49e; background: rgba(243,186,99,.08); border: 1px solid rgba(243,186,99,.28); border-radius: var(--radius); }
.security-banner span { color: #c7b28d; }
.config-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.config-card p { min-height: 3.8rem; font-size: .85rem; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: .5rem; background: var(--muted); border-radius: 50%; }
.status-dot.healthy { background: var(--accent); box-shadow: 0 0 12px rgba(52,209,191,.45); }
.empty-state.compact { min-height: 210px; margin-top: 1rem; }
.setup-card { max-width: 680px; }
.campaign-list { display: grid; gap: .8rem; margin-top: 1rem; }
.campaign-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--text); text-decoration: none; transition: transform .15s ease, border-color .15s ease; }
.campaign-row:hover { color: var(--text); transform: translateY(-1px); border-color: rgba(76,125,255,.55); }
.campaign-row p { margin-bottom: 0; }
.content-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.2rem 0; }
.content-tabs .badge { text-decoration: none; }
.badge.selected { color: white; background: rgba(76,125,255,.22); border-color: var(--primary); }
.badge.approved { color: var(--accent); border-color: rgba(52,209,191,.35); background: rgba(52,209,191,.08); }
.version-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 1rem; }
.content-body { white-space: pre-wrap; color: #d4ddeb; }
.hash { display: block; overflow-wrap: anywhere; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .68rem; }
.version-history { margin-top: 1rem; }
.version-history > div { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-top: 1px solid var(--border); }
.version-history span { color: var(--muted); font-size: .78rem; }
.config-card .eyebrow { display: inline; }
.valid.modified:not([type=checkbox]) { outline: 1px solid var(--accent); }
.invalid { outline: 1px solid var(--danger); }
.validation-message { color: var(--danger); }
.blazor-error-boundary { padding: 1rem; color: white; background: #6d1c2b; border-radius: 8px; }
.blazor-error-boundary::after { content: "CampaignPilot could not complete the request."; }
@media (max-width: 1050px) { .metrics { grid-template-columns: repeat(2, 1fr); } .dashboard-grid, .version-layout { grid-template-columns: 1fr; } .workflow { grid-template-columns: repeat(3, 1fr); } .config-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .page-heading { align-items: start; flex-direction: column; } .metrics, .form-preview, .config-grid { grid-template-columns: 1fr; } .workflow { grid-template-columns: 1fr; } .security-banner { align-items: start; flex-direction: column; } }