/* ============================================
   Automation Backend — Dashboard UI
   Modern, RTL/LTR aware, dark/light theme.
   Step 7: structure & auth.
   ============================================ */

:root {
  --bg: #0f1115;
  --bg-elev: #171a21;
  --bg-elev-2: #1e2229;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --text-dim: #9aa3b2;
  --text-faint: #6b7280;
  --primary: #4f8cff;
  --primary-hover: #3d7bf0;
  --primary-soft: rgba(79, 140, 255, 0.12);
  --success: #3ecf8e;
  --warn: #f5a623;
  --danger: #ff5c5c;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --sidebar-w: 248px;
  --font: "Vazirmatn", "Segoe UI", system-ui, -apple-system, "Tahoma", sans-serif;
  --transition: 0.18s ease;
}

[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-elev: #ffffff;
  --bg-elev-2: #eef1f7;
  --border: #dfe3ec;
  --text: #1a1f2b;
  --text-dim: #5a6473;
  --text-faint: #9aa3b2;
  --primary-soft: rgba(79, 140, 255, 0.1);
  --shadow: 0 8px 30px rgba(20, 30, 60, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

a { color: inherit; text-decoration: none; }

/* ============================================
   Buttons & inputs
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  background: var(--bg-elev-2);
  color: var(--text);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-elev-2); }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 13px; font-size: 13px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  line-height: 1;
  transition: background var(--transition), color var(--transition);
}
.icon-btn:hover { background: var(--bg-elev-2); color: var(--text); }

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
}
.link-btn:hover { text-decoration: underline; }

.field { display: block; margin-bottom: 18px; text-align: start; }
.field-label { display: block; margin-bottom: 7px; font-size: 13px; color: var(--text-dim); font-weight: 600; }
.field-input-wrap { position: relative; display: flex; align-items: center; }
.field-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.field-input-wrap .icon-btn { position: absolute; inset-inline-end: 6px; }

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-dim);
  cursor: pointer;
}
.checkbox-field input { width: 16px; height: 16px; accent-color: var(--primary); }

/* ============================================
   Login screen
   ============================================ */
.login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(79, 140, 255, 0.18), transparent),
    radial-gradient(1000px 500px at -10% 110%, rgba(62, 207, 142, 0.12), transparent),
    var(--bg);
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 34px 26px;
  box-shadow: var(--shadow);
  text-align: center;
}
.login-logo { font-size: 52px; line-height: 1; }
.login-title { margin: 14px 0 4px; font-size: 22px; font-weight: 700; }
.login-subtitle { margin: 0 0 26px; color: var(--text-dim); font-size: 14px; }
.login-error {
  background: rgba(255, 92, 92, 0.12);
  border: 1px solid rgba(255, 92, 92, 0.35);
  color: var(--danger);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 16px;
  text-align: start;
}
.login-footer { margin-top: 20px; }

/* ============================================
   App shell layout
   ============================================ */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border-inline-end: 1px solid var(--border);
  padding: 18px 14px;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 18px;
  font-weight: 700;
  font-size: 16px;
}
.brand-logo { font-size: 24px; }
.brand-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 14px;
  transition: background var(--transition), color var(--transition);
}
.nav-item:hover { background: var(--bg-elev-2); color: var(--text); }
.nav-item.active { background: var(--primary-soft); color: var(--primary); }
.nav-icon { font-size: 18px; width: 22px; text-align: center; }

.sidebar-footer { padding-top: 14px; border-top: 1px solid var(--border); }
.sys-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 8px;
}
.dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
  transition: background var(--transition);
}
.dot.ok { background: var(--success); box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.2); }
.dot.bad { background: var(--danger); box-shadow: 0 0 0 3px rgba(255, 92, 92, 0.2); }
.dot.warn { background: var(--warn); box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2); }

.main { display: flex; flex-direction: column; overflow: hidden; }

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}
.page-title { margin: 0; font-size: 18px; font-weight: 700; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 6px; }
.menu-toggle { display: none; }

.content { padding: 24px; overflow-y: auto; flex: 1; }

/* ============================================
   Cards & grid
   ============================================ */
.grid { display: grid; gap: 16px; }
.grid-cards { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card-title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-card { display: flex; flex-direction: column; gap: 6px; }
.stat-label { color: var(--text-dim); font-size: 13px; font-weight: 600; }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1.1; }
.stat-sub { font-size: 12px; color: var(--text-faint); }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 14px; }
.kv dt { color: var(--text-dim); }
.kv dd { margin: 0; text-align: end; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.ok { background: rgba(62, 207, 142, 0.15); color: var(--success); }
.badge.bad { background: rgba(255, 92, 92, 0.15); color: var(--danger); }
.badge.warn { background: rgba(245, 166, 35, 0.15); color: var(--warn); }

.muted { color: var(--text-dim); }
.placeholder {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  color: var(--text-dim);
}

.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================
   Toasts
   ============================================ */
.toast-container {
  position: fixed;
  inset-block-end: 22px;
  inset-inline-end: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}
.toast {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-inline-start: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  box-shadow: var(--shadow);
  animation: toast-in 0.2s ease;
  max-width: 340px;
}
.toast.success { border-inline-start-color: var(--success); }
.toast.error { border-inline-start-color: var(--danger); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Forms, tables, step builder (step 8)
   ============================================ */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.toolbar .spacer { flex: 1; }

.form-row { display: flex; gap: 14px; flex-wrap: wrap; }
.form-row .field { flex: 1; min-width: 200px; }
.field-hint { font-size: 12px; color: var(--text-faint); margin-top: 4px; }

select.field-input,
textarea.field-input { width: 100%; }
textarea.field-input { resize: vertical; min-height: 70px; font-family: inherit; }

/* Steps */
.steps-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 14px; }
.step-item {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.step-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.step-index {
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}
.step-head select.field-input { flex: 1; max-width: 240px; padding: 7px 10px; }
.step-head .spacer { flex: 1; }
.step-params { display: flex; flex-wrap: wrap; gap: 10px; }
.step-params .field { margin-bottom: 0; flex: 1; min-width: 160px; }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.data th, table.data td {
  padding: 11px 14px;
  text-align: start;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.data th {
  background: var(--bg-elev-2);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 13px;
}
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: var(--bg-elev-2); }
table.data td.mono { font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 13px; }

.state-badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.state-completed { background: rgba(62,207,142,.15); color: var(--success); }
.state-failed { background: rgba(255,92,92,.15); color: var(--danger); }
.state-active { background: rgba(79,140,255,.15); color: var(--primary); }
.state-waiting, .state-delayed { background: rgba(245,166,35,.15); color: var(--warn); }
.state-unknown { background: var(--bg-elev-2); color: var(--text-dim); }

.json-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 420px;
  overflow: auto;
  direction: ltr;
  text-align: start;
}
.section-title { margin: 22px 0 12px; font-size: 16px; font-weight: 700; }
.result-banner {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border-radius: var(--radius-sm);
  margin-bottom: 16px; font-weight: 600;
}
.result-banner.ok { background: rgba(62,207,142,.12); border: 1px solid rgba(62,207,142,.35); }
.result-banner.err { background: rgba(255,92,92,.12); border: 1px solid rgba(255,92,92,.35); }
.result-banner code {
  font-family: ui-monospace, monospace;
  background: var(--bg);
  padding: 2px 8px; border-radius: 6px;
}

.row-actions { display: flex; gap: 6px; }

.locked-note {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-faint);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    width: var(--sidebar-w);
    z-index: 200;
    transform: translateX(-110%);
    transition: transform var(--transition);
  }
  [dir="rtl"] .sidebar { transform: translateX(110%); }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: inline-flex; }
  .sidebar-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 150;
  }
}

/* ============================================
   Visual node-based Flow editor (step 10)
   ============================================ */
.fe-layout {
  display: grid;
  grid-template-columns: 180px 1fr 260px;
  gap: 12px;
  height: 560px;
  margin-top: 12px;
}
.fe-palette,
.fe-inspector {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  overflow-y: auto;
}
.palette-title,
.insp-head {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.palette-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  margin-bottom: 6px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  text-align: start;
  transition: border-color var(--transition), transform var(--transition);
}
.palette-item:hover { border-color: var(--primary); transform: translateY(-1px); }
.pi-icon { font-size: 16px; }
.pi-label { font-size: 13px; }

.fe-canvas {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 1px 1px, var(--border) 1px, transparent 0);
  background-size: 22px 22px;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: grab;
}
.fe-canvas:active { cursor: grabbing; }
.fe-svg {
  position: absolute;
  top: 0; left: 0;
  width: 4000px;
  height: 4000px;
  transform-origin: 0 0;
  pointer-events: none;
  overflow: visible;
}
.fe-svg path { pointer-events: stroke; }
.fe-world {
  position: absolute;
  top: 0; left: 0;
  transform-origin: 0 0;
  width: 0; height: 0;
}
.flow-edge {
  fill: none;
  stroke: var(--primary);
  stroke-width: 2.5;
  opacity: 0.85;
  cursor: pointer;
}
.flow-edge:hover { stroke: var(--primary-hover); stroke-width: 3.5; }
.flow-edge.pending { stroke-dasharray: 6 5; opacity: 0.6; cursor: default; }

.flow-node {
  position: absolute;
  background: var(--bg-elev);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  user-select: none;
  z-index: 2;
}
.flow-node.selected { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-soft); }
.flow-node.is-start { border-color: #34d399; }
.flow-node-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  cursor: grab;
  font-weight: 600;
  font-size: 13px;
}
.flow-node-head:active { cursor: grabbing; }
.fn-icon { font-size: 15px; }
.flow-node-sub {
  padding: 0 10px 8px;
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.flow-node-del {
  position: absolute;
  top: 4px;
  inset-inline-end: 4px;
  width: 18px; height: 18px;
  line-height: 16px;
  text-align: center;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 14px;
}
.flow-node-del:hover { background: #ef4444; color: #fff; }
.flow-port {
  position: absolute;
  top: 14px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-elev);
  z-index: 3;
}
.flow-port.in { inset-inline-start: -7px; background: var(--text-dim); }
.flow-port.out { inset-inline-end: -7px; cursor: crosshair; }
.flow-port.out:hover { transform: scale(1.25); }

.fe-hint { margin-top: 10px; }
.insp-title { font-weight: 700; margin-bottom: 8px; }

@media (max-width: 980px) {
  .fe-layout { grid-template-columns: 1fr; height: auto; }
  .fe-canvas { height: 420px; }
}