/* App-specific styles — dashboard, upload, charts */
/* Design tokens inherited from theme.css */

/* NAV */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
}
.app-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}
.app-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg-primary);
  text-decoration: none;
}
.app-nav-tag {
  font-size: 0.78rem;
  color: var(--fg-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 10px;
}

/* SCREENS */
.screen { display: none; min-height: calc(100vh - 60px); }
.screen.active { display: block; }

/* UPLOAD */
.upload-container {
  max-width: 680px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  text-align: center;
}
.upload-header { margin-bottom: 48px; }
.upload-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 20px 0 16px;
  line-height: 1.1;
}
.upload-sub {
  color: var(--fg-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}
.upload-card {
  background: var(--bg-card);
  border: 2px dashed rgba(79, 124, 255, 0.25);
  border-radius: 20px;
  padding: 48px 32px;
  margin-bottom: 32px;
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}
.upload-card:hover,
.upload-card.dragging {
  border-color: var(--accent);
  background: rgba(79, 124, 255, 0.05);
}
.upload-icon { margin-bottom: 20px; }
.upload-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}
.upload-hint {
  font-size: 0.88rem;
  color: var(--fg-muted);
  margin-bottom: 24px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  text-decoration: none;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--fg-secondary);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.15); color: #fff; }

/* SAMPLES */
.upload-samples { margin-bottom: 28px; }
.samples-label { font-size: 0.82rem; color: var(--fg-muted); margin-bottom: 12px; }
.samples-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.btn-sample {
  font-size: 0.82rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(79, 124, 255, 0.2);
  border-radius: 8px;
  padding: 7px 16px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.2s;
}
.btn-sample:hover { background: rgba(79, 124, 255, 0.2); }

/* FORMAT HINT */
.upload-format { text-align: left; background: var(--bg-secondary); border-radius: 12px; padding: 16px 20px; }
.format-label { font-size: 0.78rem; color: var(--fg-muted); margin-bottom: 10px; }
.format-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.format-tag {
  font-size: 0.78rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  color: var(--fg-secondary);
}
.format-tag.optional { color: var(--fg-muted); border-style: dashed; }

/* UPLOAD ERROR */
.upload-error {
  margin-top: 16px;
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 80, 80, 0.3);
  color: #ff8080;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.9rem;
  text-align: left;
}

/* PROCESSING */
.processing-container {
  max-width: 440px;
  margin: 0 auto;
  padding: 120px 24px;
  text-align: center;
}
.spinner {
  width: 56px;
  height: 56px;
  border: 3px solid rgba(79, 124, 255, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 32px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.processing-container h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.processing-container p {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  margin-bottom: 40px;
}
.processing-steps { text-align: left; }
.proc-step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.9rem;
  transition: color 0.3s;
}
.proc-step:last-child { border-bottom: none; }
.proc-step.active { color: var(--fg-primary); }
.proc-step.done { color: #5fba7d; }
.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg-muted);
  flex-shrink: 0;
  transition: background 0.3s;
}
.proc-step.active .step-dot { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.proc-step.done .step-dot { background: #5fba7d; }

/* DASHBOARD */
.dash-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 24px;
}
.dash-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.dash-header h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.dash-meta { font-size: 0.82rem; color: var(--fg-muted); }
.dash-actions { display: flex; gap: 10px; align-items: center; }

.dash-body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 60px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* CARDS */
.cards-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.2s;
}
.summary-card.highlight {
  border-color: rgba(79, 124, 255, 0.25);
  background: linear-gradient(135deg, var(--bg-card) 60%, rgba(79, 124, 255, 0.05));
}
.card-label { font-size: 0.75rem; color: var(--fg-muted); font-family: var(--font-display); letter-spacing: 0.5px; text-transform: uppercase; }
.card-value {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
}
.card-value.accent { color: var(--accent); }
.card-sub { font-size: 0.78rem; color: var(--fg-muted); line-height: 1.4; margin-top: 2px; }

/* CHARTS */
.charts-row { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
.chart-card.full { width: 100%; }
.chart-title {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--fg-secondary);
  margin-bottom: 20px;
  letter-spacing: 0.3px;
}
.chart-wrap { height: 280px; position: relative; }
.chart-wrap.donut { height: 280px; }
.chart-wrap.tall { height: 200px; }

/* BOTTOM ROW */
.bottom-row { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
.section-title {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--fg-secondary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-icon { font-size: 1rem; }

/* SAVINGS */
.saving-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.saving-item:last-child { border-bottom: none; }
.saving-badge {
  font-size: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 5px;
  white-space: nowrap;
  flex-shrink: 0;
}
.saving-badge.consolidate { background: rgba(79, 124, 255, 0.15); color: var(--accent); }
.saving-badge.outlier { background: rgba(255, 187, 64, 0.15); color: #ffbb40; }
.saving-info { flex: 1; }
.saving-desc { font-size: 0.88rem; color: var(--fg-primary); line-height: 1.5; margin-bottom: 3px; }
.saving-amount { font-size: 0.8rem; color: #5fba7d; font-weight: 600; }

/* RECOMMENDATIONS */
.reco-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.reco-list li {
  display: flex;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--fg-secondary);
  line-height: 1.55;
}
.reco-list li::before {
  content: '→';
  color: var(--accent);
  flex-shrink: 0;
  font-size: 0.9rem;
  margin-top: 1px;
}

/* VENDOR TABLE */
.table-wrap { overflow-x: auto; }
.vendor-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.vendor-table th {
  text-align: left;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 12px 14px 0;
  border-bottom: 1px solid var(--border);
}
.vendor-table td {
  padding: 12px 12px 12px 0;
  color: var(--fg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}
.vendor-table tr:last-child td { border-bottom: none; }
.vendor-table td:first-child { color: var(--fg-primary); font-weight: 500; }
.vendor-table td:nth-child(3) { color: #fff; font-family: var(--font-display); font-weight: 600; }
.share-bar-wrap { display: flex; align-items: center; gap: 8px; }
.share-bar { height: 4px; background: var(--accent); border-radius: 2px; min-width: 2px; }
.share-pct { font-size: 0.75rem; color: var(--fg-muted); white-space: nowrap; }
.cat-pill {
  display: inline-block;
  font-size: 0.72rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px 8px;
  color: var(--fg-muted);
}

/* ERROR */
.error-container {
  max-width: 440px;
  margin: 0 auto;
  padding: 120px 24px;
  text-align: center;
}
.error-icon { font-size: 3rem; margin-bottom: 20px; }
.error-container h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 12px;
}
.error-container p {
  color: var(--fg-secondary);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

/* EMAIL GATE */
#email-gate {
  width: 100%;
}
.email-gate-card {
  background: linear-gradient(135deg, rgba(79,124,255,0.1) 0%, rgba(79,124,255,0.04) 100%);
  border: 1px solid rgba(79,124,255,0.3);
  border-radius: 16px;
  padding: 40px 36px;
  text-align: center;
}
.email-gate-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.email-gate-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
}
.email-gate-sub {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  max-width: 460px;
  margin: 0 auto 24px;
  line-height: 1.6;
}
.email-gate-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.email-gate-input {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 16px;
  color: var(--fg-primary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  width: 260px;
  outline: none;
  transition: border-color 0.2s;
}
.email-gate-input:focus { border-color: var(--accent); }
.email-gate-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 11px 22px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.email-gate-btn:disabled { opacity: 0.6; cursor: default; }
.email-gate-footnote {
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin: 16px 0 0;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .cards-row { grid-template-columns: repeat(2, 1fr); }
  .charts-row, .bottom-row { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .cards-row { grid-template-columns: 1fr 1fr; }
  .dash-header-inner { flex-direction: column; align-items: flex-start; }
  .email-gate-card { padding: 28px 20px; }
  .email-gate-input { width: 100%; }
}