/* Shannon Tools — UI polish layer on top of Bootstrap 5 */

:root {
  --st-bg: #f6f7fb;
  --st-surface: #ffffff;
  --st-border: #e6e9f1;
  --st-border-strong: #d3d8e3;
  --st-text: #1a2236;
  --st-text-muted: #5b6677;
  --st-text-subtle: #8a93a4;
  --st-primary: #4f46e5;
  --st-primary-hover: #4338ca;
  --st-primary-subtle: #eef0ff;
  --st-success: #059669;
  --st-success-subtle: #ecfdf5;
  --st-danger: #dc2626;
  --st-danger-subtle: #fef2f2;
  --st-warning: #d97706;
  --st-warning-subtle: #fffbeb;
  --st-neutral-subtle: #f1f3f8;
  --st-shadow-sm: 0 1px 2px rgba(20, 28, 50, 0.04), 0 1px 3px rgba(20, 28, 50, 0.06);
  --st-shadow-md: 0 4px 12px rgba(20, 28, 50, 0.08);
  --st-radius: 12px;
  --st-radius-sm: 8px;
}

/* === Base === */
html, body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
}
body {
  background: var(--st-bg);
  color: var(--st-text);
}
main.container {
  max-width: 1100px;
}
h1, h2, h3, h4, h5 {
  color: var(--st-text);
  letter-spacing: -0.01em;
}
h1 { font-weight: 650; }
h2, h3 { font-weight: 600; }
p, label, td, th, button, input, select, textarea {
  color: var(--st-text);
}
.text-muted { color: var(--st-text-muted) !important; }

/* === Navbar === */
.st-navbar {
  background: var(--st-surface);
  border-bottom: 1px solid var(--st-border);
  box-shadow: var(--st-shadow-sm);
  padding: .6rem 0;
}
.st-navbar .navbar-brand {
  color: var(--st-text);
  font-weight: 650;
  letter-spacing: -0.015em;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}
.st-navbar .navbar-brand .st-brand-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--st-primary);
}
.st-navbar a.st-nav-link {
  color: var(--st-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: .92rem;
  padding: .35rem .65rem;
  border-radius: 6px;
  transition: background-color .15s ease, color .15s ease;
}
.st-navbar a.st-nav-link:hover { color: var(--st-text); background: var(--st-neutral-subtle); }
.st-navbar .st-user-tag {
  color: var(--st-text-subtle);
  font-size: .85rem;
}
.st-navbar .btn-outline-secondary {
  border-color: var(--st-border-strong);
  color: var(--st-text-muted);
}
.st-navbar .btn-outline-secondary:hover { background: var(--st-neutral-subtle); color: var(--st-text); border-color: var(--st-border-strong); }

/* === Page header === */
.st-page-header { margin-bottom: 1.75rem; }
.st-page-header h1 { margin-bottom: .25rem; font-size: 1.6rem; }
.st-page-header .subtitle { color: var(--st-text-muted); font-size: .95rem; }
.st-back-link {
  display: inline-flex; align-items: center; gap: .3rem;
  color: var(--st-text-muted); text-decoration: none; font-size: .9rem;
  margin-bottom: .5rem;
}
.st-back-link:hover { color: var(--st-text); }

/* === Section header === */
.st-section-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 2rem 0 .85rem;
}
.st-section-header h3 {
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--st-text-subtle);
  font-weight: 600;
  margin: 0;
}
.st-section-header .st-count {
  font-size: .8rem;
  color: var(--st-text-subtle);
}

/* === Cards === */
.card, .st-card {
  background: var(--st-surface);
  border: 1px solid var(--st-border);
  border-radius: var(--st-radius);
  box-shadow: var(--st-shadow-sm);
}
.st-card { padding: 1.25rem 1.4rem; }

/* Automation tile */
.st-tile {
  background: var(--st-surface);
  border: 1px solid var(--st-border);
  border-radius: var(--st-radius);
  padding: 1.15rem 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.st-tile:hover {
  border-color: var(--st-border-strong);
  box-shadow: var(--st-shadow-md);
  transform: translateY(-1px);
}
.st-tile .st-tile-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--st-text);
  margin: 0 0 .35rem;
}
.st-tile .st-tile-desc {
  color: var(--st-text-muted);
  font-size: .88rem;
  line-height: 1.45;
  margin-bottom: 1rem;
  flex: 1;
}
.st-tile .st-tile-cta {
  display: inline-flex; align-items: center; gap: .35rem;
  font-weight: 600;
  font-size: .9rem;
  color: var(--st-primary);
  text-decoration: none;
  margin-top: auto;
  align-self: flex-start;
}
.st-tile .st-tile-cta:hover { color: var(--st-primary-hover); }
.st-tile .st-tile-cta svg { transition: transform .15s ease; }
.st-tile:hover .st-tile-cta svg { transform: translateX(2px); }

/* Inline CTA link (same size/feel as the tile CTA, but standalone) */
.st-cta-link {
  display: inline-flex; align-items: center; gap: .35rem;
  font-weight: 600;
  font-size: .9rem;
  color: var(--st-primary);
  text-decoration: none;
}
.st-cta-link:hover { color: var(--st-primary-hover); }
.st-cta-link svg { transition: transform .15s ease; }
.st-cta-link:hover svg { transform: translateX(2px); }
.st-cta-link.muted { color: var(--st-text-muted); }
.st-cta-link.muted:hover { color: var(--st-text); }

/* === Form polish (automation detail) === */
.st-form-card { padding: 1.6rem 1.7rem; }
.st-form-card .form-label {
  font-weight: 550;
  font-size: .92rem;
  color: var(--st-text);
  margin-bottom: .35rem;
}
.st-form-card .form-text {
  color: var(--st-text-muted);
  font-size: .82rem;
}
.st-form-card .form-control {
  border: 1px solid var(--st-border-strong);
  border-radius: var(--st-radius-sm);
  font-size: .94rem;
  padding: .55rem .75rem;
  background: #fcfcfd;
}
.st-form-card .form-control:focus {
  border-color: var(--st-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, .12);
}
.st-form-card input[type="file"].form-control {
  padding: .45rem .55rem;
  cursor: pointer;
}

/* === Buttons === */
.btn-primary {
  background: var(--st-primary);
  border-color: var(--st-primary);
  font-weight: 600;
  letter-spacing: .005em;
  padding: .55rem 1.1rem;
  border-radius: var(--st-radius-sm);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--st-primary-hover);
  border-color: var(--st-primary-hover);
}
.btn-success {
  background: var(--st-success);
  border-color: var(--st-success);
  font-weight: 600;
  border-radius: var(--st-radius-sm);
  padding: .5rem 1rem;
}
.btn-success:hover, .btn-success:focus { background: #047857; border-color: #047857; }
.btn-outline-secondary {
  border-color: var(--st-border-strong);
  color: var(--st-text-muted);
}

/* === Status badges === */
.st-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .76rem;
  font-weight: 600;
  padding: .22rem .55rem;
  border-radius: 999px;
  letter-spacing: .01em;
  text-transform: capitalize;
  border: 1px solid transparent;
}
.st-badge::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}
.st-badge.success {
  background: var(--st-success-subtle);
  color: var(--st-success);
  border-color: rgba(5, 150, 105, .15);
}
.st-badge.failed {
  background: var(--st-danger-subtle);
  color: var(--st-danger);
  border-color: rgba(220, 38, 38, .15);
}
.st-badge.running {
  background: var(--st-warning-subtle);
  color: var(--st-warning);
  border-color: rgba(217, 119, 6, .15);
}
.st-badge.queued, .st-badge.neutral {
  background: var(--st-neutral-subtle);
  color: var(--st-text-muted);
  border-color: var(--st-border);
}

/* === Tables === */
.st-table-card { padding: 0; overflow: hidden; }
.st-table { margin: 0; }
.st-table thead th {
  background: #fafbfd;
  border-bottom: 1px solid var(--st-border);
  color: var(--st-text-subtle);
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .75rem 1rem;
}
.st-table tbody td {
  padding: .85rem 1rem;
  font-size: .9rem;
  border-bottom: 1px solid var(--st-border);
  vertical-align: middle;
}
.st-table tbody tr:last-child td { border-bottom: none; }
.st-table tbody tr:hover { background: #fafbfd; }
.st-table a.row-link {
  color: var(--st-primary);
  font-weight: 600;
  text-decoration: none;
  font-size: .85rem;
}
.st-table a.row-link:hover { color: var(--st-primary-hover); text-decoration: underline; }

/* === Logs / code blocks === */
pre.st-log {
  background: #0f172a;
  color: #e2e8f0;
  padding: 1rem 1.1rem;
  border-radius: var(--st-radius-sm);
  font-size: .82rem;
  line-height: 1.5;
  border: none;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* === Alerts === */
.alert {
  border: 1px solid;
  border-radius: var(--st-radius-sm);
  font-size: .92rem;
}
.alert-info {
  background: var(--st-primary-subtle);
  border-color: rgba(79, 70, 229, .15);
  color: #3730a3;
}
.alert-danger {
  background: var(--st-danger-subtle);
  border-color: rgba(220, 38, 38, .2);
  color: #991b1b;
}
.alert-warning {
  background: var(--st-warning-subtle);
  border-color: rgba(217, 119, 6, .2);
  color: #92400e;
}

/* === Empty states === */
.st-empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--st-text-muted);
  font-size: .95rem;
  background: var(--st-surface);
  border: 1px dashed var(--st-border-strong);
  border-radius: var(--st-radius);
}

/* === Output file rows === */
.st-output {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .8rem 1rem;
  border: 1px solid var(--st-border);
  border-radius: var(--st-radius-sm);
  background: #fcfcfd;
  margin-bottom: .55rem;
}
.st-output:last-child { margin-bottom: 0; }
.st-output .st-output-meta { display: flex; flex-direction: column; }
.st-output .st-output-name {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: .88rem;
  color: var(--st-text);
}
.st-output .st-output-size {
  font-size: .78rem;
  color: var(--st-text-subtle);
}

/* === Login === */
.st-login-wrap {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.st-login-card { width: 100%; max-width: 410px; padding: 2rem 2.1rem; }
.st-login-brand {
  display: flex; align-items: center; gap: .5rem;
  font-weight: 650; font-size: 1.15rem;
  margin-bottom: 1.3rem;
  letter-spacing: -0.015em;
}
.st-login-brand .st-brand-dot { width: 11px; height: 11px; border-radius: 3px; background: var(--st-primary); display: inline-block; }