:root {
  color-scheme: dark;
  --bg: #07101d;
  --panel: #101928;
  --panel-soft: #142235;
  --line: rgba(128, 188, 255, .22);
  --line-hot: rgba(248, 181, 58, .58);
  --text: #f2f7ff;
  --muted: #9eb0c8;
  --cyan: #52d6ff;
  --amber: #ffad24;
  --green: #47d18c;
  --red: #ff6262;
  --shadow: 0 22px 80px rgba(0, 0, 0, .34);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(5, 27, 45, .92), rgba(12, 7, 20, .94)),
    #020712;
  color: var(--text);
}

button, input, select, textarea { font: inherit; }

.forge-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.forge-aside {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 24px 18px;
  background: rgba(5, 11, 21, .78);
  border-right: 1px solid var(--line);
}

.forge-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.forge-brand strong,
.forge-brand small { display: block; }

.forge-brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.forge-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line-hot);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 173, 36, .26), rgba(82, 214, 255, .1));
  color: #fff4d3;
  font-weight: 900;
  letter-spacing: .04em;
}

.forge-nav {
  display: grid;
  gap: 8px;
}

.forge-nav a {
  color: #cddcf1;
  text-decoration: none;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
}

.forge-nav a:hover,
.forge-nav a.active {
  color: #fff;
  border-color: rgba(82, 214, 255, .38);
  background: rgba(82, 214, 255, .1);
}

.forge-note {
  margin-top: auto;
  padding: 14px;
  border: 1px solid rgba(255, 173, 36, .32);
  border-radius: 8px;
  background: rgba(255, 173, 36, .08);
}

.forge-note strong,
.forge-note span { display: block; }

.forge-note span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.forge-main {
  padding: 28px;
  min-width: 0;
}

.forge-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.eyebrow {
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin: 6px 0 8px;
  font-size: clamp(32px, 5vw, 58px);
  line-height: .95;
  letter-spacing: 0;
}

h2 { margin-bottom: 4px; font-size: 18px; }
h3 { margin-bottom: 5px; font-size: 15px; }
p { color: var(--muted); line-height: 1.5; }

.header-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: #f7fbff;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}

.btn:disabled {
  opacity: .48;
  cursor: not-allowed;
}

.btn.primary {
  background: linear-gradient(135deg, #ff9f1a, #f36f21);
  color: #160d04;
}

.btn.secondary {
  border-color: rgba(82, 214, 255, .34);
  background: rgba(82, 214, 255, .1);
}

.btn.ghost {
  border-color: rgba(159, 176, 200, .24);
  background: rgba(16, 25, 40, .65);
}

.status-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 18px;
}

.status-band article,
.campaign-panel,
.workspace-panel,
.selected-card,
.mode-block,
.asset-card,
.log-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 25, 40, .78);
  box-shadow: var(--shadow);
}

.status-band article {
  padding: 15px;
}

.status-band span,
.meta,
.asset-meta {
  color: var(--muted);
  font-size: 12px;
}

.status-band strong {
  display: block;
  margin-top: 6px;
  font-size: 23px;
}

.forge-grid {
  display: grid;
  grid-template-columns: minmax(290px, 360px) minmax(0, 1fr);
  gap: 16px;
}

.campaign-panel,
.workspace-panel {
  min-height: 680px;
  overflow: hidden;
}

.panel-head,
.asset-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.input {
  width: 100%;
  border: 1px solid rgba(159, 176, 200, .28);
  border-radius: 8px;
  background: rgba(6, 13, 25, .88);
  color: var(--text);
  padding: 10px 11px;
}

.campaign-list {
  display: grid;
  gap: 10px;
  max-height: 610px;
  overflow: auto;
  padding: 12px;
}

.campaign-item {
  text-align: left;
  width: 100%;
  padding: 13px;
  border-radius: 8px;
  border: 1px solid rgba(128, 188, 255, .2);
  background: rgba(20, 34, 53, .72);
  color: var(--text);
  cursor: pointer;
}

.campaign-item.active {
  border-color: var(--line-hot);
  background: rgba(255, 173, 36, .12);
}

.campaign-item strong {
  display: block;
  margin-bottom: 8px;
}

.workspace-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 12px 0;
  border-bottom: 1px solid var(--line);
}

.tab {
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 800;
}

.tab.active {
  color: #fff;
  border-color: var(--amber);
}

.tab-panel {
  display: none;
  padding: 16px;
}

.tab-panel.active { display: block; }

.selected-card {
  padding: 18px;
  margin-bottom: 14px;
}

.selected-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.selected-grid div {
  border: 1px solid rgba(159, 176, 200, .2);
  border-radius: 8px;
  padding: 11px;
  background: rgba(5, 11, 21, .45);
}

.selected-grid span { display: block; color: var(--muted); font-size: 12px; }
.selected-grid strong { display: block; margin-top: 5px; }

.brief-box {
  min-height: 180px;
  margin: 14px 0 0;
  padding: 14px;
  white-space: pre-wrap;
  overflow: auto;
  border: 1px solid rgba(82, 214, 255, .22);
  border-radius: 8px;
  background: rgba(3, 8, 16, .82);
  color: #d9edff;
}

.dual-mode {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.mode-block {
  padding: 16px;
}

.mode-title {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.mode-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 173, 36, .46);
  border-radius: 8px;
  background: rgba(255, 173, 36, .14);
  font-weight: 900;
}

.mode-icon.ai {
  border-color: rgba(82, 214, 255, .5);
  background: rgba(82, 214, 255, .12);
}

.upload-form,
.ai-controls {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.ai-controls {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ai-controls input { grid-column: 1 / -1; }

.asset-toolbar {
  margin: 16px -16px 0;
  border-top: 1px solid var(--line);
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.asset-card {
  overflow: hidden;
}

.asset-preview {
  display: grid;
  place-items: center;
  min-height: 132px;
  background: rgba(3, 8, 16, .78);
}

.asset-preview img,
.asset-preview video {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.asset-body {
  padding: 12px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 9px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 23px;
  padding: 3px 8px;
  border: 1px solid rgba(159, 176, 200, .26);
  border-radius: 999px;
  color: #dcecff;
  background: rgba(159, 176, 200, .09);
  font-size: 12px;
  font-weight: 800;
}

.badge.ai { border-color: rgba(82, 214, 255, .38); color: #baf0ff; }
.badge.manual { border-color: rgba(255, 173, 36, .4); color: #ffe0a0; }
.badge.ok { border-color: rgba(71, 209, 140, .42); color: #b7ffd9; }
.badge.warn { border-color: rgba(255, 98, 98, .4); color: #ffd0d0; }

.asset-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

.asset-actions .btn {
  min-height: 31px;
  padding: 6px 9px;
  font-size: 12px;
}

.log-panel {
  display: grid;
  gap: 10px;
}

.log-item {
  padding: 13px;
}

.empty {
  padding: 18px;
  color: var(--muted);
  border: 1px dashed rgba(159, 176, 200, .32);
  border-radius: 8px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 420px;
  padding: 12px 14px;
  border: 1px solid rgba(82, 214, 255, .34);
  border-radius: 8px;
  background: rgba(7, 16, 29, .96);
  color: var(--text);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .18s, transform .18s;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1060px) {
  .forge-shell,
  .forge-grid,
  .dual-mode {
    grid-template-columns: 1fr;
  }

  .forge-aside {
    position: static;
  }

  .status-band,
  .selected-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .forge-main { padding: 18px; }
  .forge-header,
  .panel-head,
  .asset-toolbar {
    display: block;
  }
  .header-actions { margin-top: 14px; }
  .status-band,
  .selected-grid,
  .ai-controls {
    grid-template-columns: 1fr;
  }
}