/* ── Base ── */
body, .gradio-container {
  font-family: 'Inter', sans-serif;
  background: #0d0d1a;
  color: #e8e8f0;
}

/* ── Header ── */
.header-wrap {
  position: relative;
  width: 100%;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 8px;
}
.bg-top {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.35;
  z-index: 0;
}
.header-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 32px 16px;
}
.app-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #f5c518;
  margin: 0 0 8px 0;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
}
.app-subtitle {
  font-size: 1.05rem;
  color: #c8c8e0;
  margin: 0;
}

/* ── KPI Cards ── */
.kpi-card {
  background: #1a1a2e;
  border-radius: 12px;
  padding: 18px 24px;
  min-width: 130px;
  text-align: center;
  border: 1px solid #2a2a4a;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transition: transform 0.15s ease;
}
.kpi-card:hover { transform: translateY(-3px); }
.kpi-value {
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}
.kpi-label {
  font-size: 0.75rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.kpi-total    .kpi-value { color: #a78bfa; }
.kpi-renew    .kpi-value { color: #2ecc71; }
.kpi-invest   .kpi-value { color: #f39c12; }
.kpi-cancel   .kpi-value { color: #e74c3c; }
.kpi-roi      .kpi-value { color: #3498db; }
.kpi-completion .kpi-value { color: #1abc9c; }
.kpi-rating   .kpi-value { color: #f5c518; }
.kpi-sentiment .kpi-value { color: #e91e8c; }

/* ── Tabs ── */
.tab-nav button {
  background: transparent !important;
  color: #a0a0c0 !important;
  border-bottom: 2px solid transparent !important;
  font-weight: 500;
  transition: all 0.2s;
}
.tab-nav button.selected {
  color: #f5c518 !important;
  border-bottom: 2px solid #f5c518 !important;
}

/* ── Buttons ── */
button.primary {
  background: linear-gradient(135deg, #f5c518, #e8a000) !important;
  color: #0d0d1a !important;
  font-weight: 700 !important;
  border: none !important;
  border-radius: 8px !important;
}
button.secondary {
  background: #1a1a2e !important;
  color: #e8e8f0 !important;
  border: 1px solid #3a3a5a !important;
  border-radius: 8px !important;
}
button:hover { opacity: 0.9; }

/* ── Inputs ── */
input, textarea, .gr-textbox textarea {
  background: #1a1a2e !important;
  border: 1px solid #3a3a5a !important;
  color: #e8e8f0 !important;
  border-radius: 8px !important;
}

/* ── DataFrames ── */
.gr-dataframe table {
  background: #1a1a2e;
  border-radius: 8px;
  overflow: hidden;
}
.gr-dataframe th {
  background: #2a2a4a;
  color: #f5c518;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.gr-dataframe td {
  color: #c8c8e0;
  font-size: 0.85rem;
  border-bottom: 1px solid #2a2a3a;
}
.gr-dataframe tr:hover td { background: #22223a; }

/* ── Images ── */
.gr-image img {
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

/* ── Chatbot ── */
.gr-chatbot {
  background: #1a1a2e !important;
  border: 1px solid #3a3a5a !important;
  border-radius: 10px !important;
}
.gr-chatbot .message.user {
  background: #2a2a4a !important;
  color: #e8e8f0 !important;
  border-radius: 8px !important;
}
.gr-chatbot .message.bot {
  background: #0f3460 !important;
  color: #e8e8f0 !important;
  border-radius: 8px !important;
}

/* ── Log box ── */
.gr-textbox textarea {
  font-family: 'Courier New', monospace !important;
  font-size: 0.82rem !important;
}

/* ── Footer ── */
.footer {
  position: relative;
  text-align: center;
  padding: 24px;
  margin-top: 16px;
  color: #666;
  font-size: 0.8rem;
  overflow: hidden;
}
.bg-bottom {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 0;
}
.footer p {
  position: relative;
  z-index: 1;
}

/* ── Markdown headings ── */
.gr-markdown h3 {
  color: #f5c518;
  font-size: 1rem;
  margin: 20px 0 8px;
  border-bottom: 1px solid #2a2a4a;
  padding-bottom: 4px;
}