/* ==========================================================================
   Secula Bootstrap Theme Layer (app.css)
   Customizes Bootstrap 5 to match DESIGN.md (Corporate / Institutional Modernism)
   ========================================================================== */

@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/public-sans-v15-latin-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/public-sans-v15-latin-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/public-sans-v15-latin-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/public-sans-v15-latin-700.woff2') format('woff2');
}

:root {
  /* Secula Design Tokens (DESIGN.md) */
  --font-family-base: 'Public Sans', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --color-primary: #134E4A;
  --color-primary-rgb: 19, 78, 74;
  --color-primary-hover: #0F3E46;
  --color-primary-active: #0A2B31;
  --color-secondary: #1E3A5F;
  --color-bg-page: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-border-card: #E2E8F0;
  --color-border-input: #CBD5E1;
  --color-text-main: #0F172A;
  --color-text-muted: #334155;
  --color-text-label: #1E293B;
  --color-error-bg: #FEF2F2;
  --color-error-border: #FECACA;
  --color-error-text: #B91C1C;

  /* Bootstrap Root Custom Property Overrides */
  --bs-font-sans-serif: var(--font-family-base);
  --bs-body-font-family: var(--font-family-base);
  --bs-body-font-size: 1rem; /* 16px minimum */
  --bs-body-line-height: 1.5;
  --bs-body-color: var(--color-text-main);
  --bs-body-bg: var(--color-bg-page);

  --bs-primary: #134E4A;
  --bs-primary-rgb: 19, 78, 74;
  --bs-danger: #B91C1C;
  --bs-danger-rgb: 185, 28, 28;

  --bs-border-color: var(--color-border-card);
  --bs-border-radius: 4px;
  --bs-border-radius-sm: 2px;
  --bs-border-radius-lg: 8px;
  --bs-border-radius-xl: 8px;
  --bs-border-radius-xxl: 8px;
  --bs-border-radius-pill: 4px; /* Neutralize pill shapes per DESIGN.md */

  /* Neutralize blurred shadows per DESIGN.md */
  --bs-box-shadow: none;
  --bs-box-shadow-sm: none;
  --bs-box-shadow-lg: none;
  --bs-focus-ring-width: 2px;
  --bs-focus-ring-opacity: 1;
  --bs-focus-ring-color: #134E4A;
}

/* Tabular numerals for data & numbers */
.tnum,
table,
input[type="number"],
input[type="tel"] {
  font-feature-settings: "tnum" 1;
  font-variant-numeric: tabular-nums;
}

/* Typography Scale (DESIGN.md) */
.headline-lg {
  font-size: 1.5rem; /* 24px */
  line-height: 2rem; /* 32px */
  font-weight: 700;
  color: var(--color-text-main);
  letter-spacing: -0.01em;
}

.helper-text {
  font-size: 0.875rem; /* 14px */
  line-height: 1.25rem; /* 20px */
  color: var(--color-text-muted);
}

.site-brand {
  font-size: 1.25rem; /* 20px */
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #134E4A;
  color: var(--color-primary, #134E4A);
  text-decoration: none;
}

.site-brand:hover,
.site-brand:focus {
  color: #0F3E46;
  color: var(--color-primary-hover, #0F3E46);
}

/* Bootstrap Card Adaptation (1px structural border, 8px radius, no shadow) */
.card {
  --bs-card-bg: #FFFFFF;
  --bs-card-border-color: #E2E8F0;
  --bs-card-border-width: 1px;
  --bs-card-border-radius: 8px;
  --bs-card-box-shadow: none;
  --bs-card-spacer-y: 1.5rem;
  --bs-card-spacer-x: 1.5rem;
  box-shadow: none;
}

.auth-card {
  max-width: 420px;
  width: 100%;
}

.dashboard-card {
  max-width: 600px;
  width: 100%;
}

@media (max-width: 480px) {
  .card {
    --bs-card-spacer-y: 1rem; /* 16px mobile padding */
    --bs-card-spacer-x: 1rem;
  }
}

/* Bootstrap Form Controls & Labels (DESIGN.md: 14px/600 label, 44px height, 16px input) */
.form-label {
  font-size: 0.875rem; /* 14px */
  line-height: 1.25rem;
  font-weight: 600;
  color: var(--color-text-label);
  margin-bottom: 0.375rem; /* 6px gap */
}

.form-control {
  min-height: 44px;
  padding: 0.5625rem 0.75rem;
  font-size: 1rem; /* 16px prevents mobile auto-zoom */
  line-height: 1.5;
  color: var(--color-text-main);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-input);
  border-radius: 4px;
  box-shadow: none;
}

.form-control:focus {
  color: var(--color-text-main);
  background-color: #FFFFFF;
  border-color: #134E4A;
  border-color: var(--color-primary, #134E4A);
  outline: 2px solid #134E4A;
  outline: 2px solid var(--color-primary, #134E4A);
  outline-offset: 2px;
  box-shadow: none;
}

.form-control.is-invalid {
  border-color: var(--color-error-text);
  background-image: none; /* Clean utilitarian state without decorative icon */
}

.form-control.is-invalid:focus {
  border-color: var(--color-error-text);
  outline: 2px solid var(--color-error-text);
  outline-offset: 2px;
  box-shadow: none;
}

.invalid-feedback {
  font-size: 0.8125rem; /* 13px */
  line-height: 1.125rem;
  color: var(--color-error-text);
  margin-top: 0.25rem;
}

/* Bootstrap Form Check / Checkbox (18px square, 2px radius, 1.5px #64748B border, #134E4A fill) */
.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-left: 0;
  min-height: 1.5rem;
}

.form-check .form-check-input {
  float: none;
  margin-left: 0;
  margin-top: 0;
  width: 18px;
  height: 18px;
  border-radius: 2px;
  border: 1.5px solid #64748B;
  background-color: #FFFFFF;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: none;
}

.form-check-input:checked {
  background-color: #134E4A;
  background-color: var(--color-primary, #134E4A);
  border-color: #134E4A;
  border-color: var(--color-primary, #134E4A);
}

.form-check-input:focus {
  border-color: #134E4A;
  border-color: var(--color-primary, #134E4A);
  outline: 2px solid #134E4A;
  outline: 2px solid var(--color-primary, #134E4A);
  outline-offset: 2px;
  box-shadow: none;
}

.form-check-label {
  font-size: 0.875rem; /* 14px */
  line-height: 1.25rem;
  color: var(--color-text-muted);
  cursor: pointer;
  user-select: none;
}

/* Bootstrap Buttons (44px min-height, 4px radius, solid resting state) */
.btn {
  --bs-btn-padding-x: 1rem;
  --bs-btn-padding-y: 0.5625rem;
  --bs-btn-font-size: 1rem;
  --bs-btn-font-weight: 600;
  --bs-btn-line-height: 1.5;
  --bs-btn-border-radius: 4px;
  --bs-btn-box-shadow: none;
  --bs-btn-focus-box-shadow: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
}

.btn-primary {
  --bs-btn-color: #FFFFFF;
  --bs-btn-bg: #134E4A;
  --bs-btn-border-color: #134E4A;
  --bs-btn-hover-color: #FFFFFF;
  --bs-btn-hover-bg: #0F3E46;
  --bs-btn-hover-border-color: #0F3E46;
  --bs-btn-active-color: #FFFFFF;
  --bs-btn-active-bg: #0A2B31;
  --bs-btn-active-border-color: #0A2B31;
  --bs-btn-disabled-color: #FFFFFF;
  --bs-btn-disabled-bg: #134E4A;
  --bs-btn-disabled-border-color: #134E4A;
  background-color: #134E4A;
  background-color: var(--color-primary, #134E4A);
  border-color: #134E4A;
  border-color: var(--color-primary, #134E4A);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #0F3E46;
  background-color: var(--color-primary-hover, #0F3E46);
  border-color: #0F3E46;
  border-color: var(--color-primary-hover, #0F3E46);
  color: #FFFFFF;
}

.btn-primary:active,
.btn-primary.active {
  background-color: #0A2B31;
  background-color: var(--color-primary-active, #0A2B31);
  border-color: #0A2B31;
  border-color: var(--color-primary-active, #0A2B31);
  color: #FFFFFF;
}

.btn-outline-secondary {
  --bs-btn-color: #0F172A;
  --bs-btn-bg: #FFFFFF;
  --bs-btn-border-color: #CBD5E1;
  --bs-btn-hover-color: #0F172A;
  --bs-btn-hover-bg: #F1F5F9;
  --bs-btn-hover-border-color: #CBD5E1;
  --bs-btn-active-color: #0F172A;
  --bs-btn-active-bg: #E2E8F0;
  --bs-btn-active-border-color: #CBD5E1;
  background-color: #FFFFFF;
  border-color: #CBD5E1;
  color: #0F172A;
}

.btn:focus-visible {
  outline: 2px solid #134E4A;
  outline: 2px solid var(--color-primary, #134E4A);
  outline-offset: 2px;
  box-shadow: none;
}

/* Bootstrap Alert Adaptation (Error Callout: bg #FEF2F2, border #FECACA, text #B91C1C, 4px radius) */
.alert {
  --bs-alert-padding-x: 0.875rem; /* 14px */
  --bs-alert-padding-y: 0.75rem;  /* 12px */
  --bs-alert-border-radius: 4px;
  font-size: 0.875rem; /* 14px */
  line-height: 1.25rem;
}

.alert-danger {
  --bs-alert-color: #B91C1C;
  --bs-alert-bg: #FEF2F2;
  --bs-alert-border-color: #FECACA;
  background-color: var(--color-error-bg, #FEF2F2);
  border-color: var(--color-error-border, #FECACA);
  color: var(--color-error-text, #B91C1C);
}