/* ---------------------------------------------------------------
   Base styles shared across setup, login and dashboard.
   Brand color is injected per-page via a CSS variable on :root
   (see the inline <style> block each page renders after setup).
--------------------------------------------------------------- */

:root {
  --brand: #4f46e5;
  --brand-dark: #4338ca;
  --brand-light: #eef2ff;

  --bg: #f5f6fa;
  --surface: #ffffff;
  --border: #e2e4ea;
  --text: #1f2330;
  --text-muted: #6b7280;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --success: #16a34a;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 20, 30, 0.08), 0 8px 24px rgba(16, 20, 30, 0.06);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--brand);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1, h2, h3, p {
  margin: 0 0 0.5em 0;
}

img {
  max-width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}
.btn:hover {
  background: var(--brand-dark);
  text-decoration: none;
}
.btn:active {
  transform: translateY(1px);
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.btn.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn.btn-secondary:hover {
  background: var(--bg);
}
.btn.btn-block {
  width: 100%;
}

.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.field .hint {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 4px;
}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="url"],
.field input[type="password"],
.field input[type="color"],
.field input[type="date"],
.field input[type="number"],
.field select,
.field textarea {
  width: 100%;
  padding: 11px 13px;
  font-size: 14.5px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-light);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 560px) {
  .field-row {
    grid-template-columns: 1fr;
  }
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 18px;
}
.alert-error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #fecaca;
}
.alert-success {
  background: #f0fdf4;
  color: var(--success);
  border: 1px solid #bbf7d0;
}

.required {
  color: var(--danger);
}