/* ============================================================
   CAST brand theme — matches caststrategies.com / Power BI palette.
   Branded hybrid: dark CAST chrome + light content + green accents.
   ============================================================ */
:root {
    --cast-black: #0d0d0d;
    --cast-dark: #1a1a1a;
    --cast-charcoal: #2e3135;
    --cast-slate: #4a5058;
    --cast-mid: #6b7280;
    --cast-light: #8e959e;
    --cast-green: #3ab54a;
    --cast-green-dark: #2a8f37;
    --cast-green-bright: #4fd060;
    --cast-green-dim: #1f5c28;
    --cast-white: #f4f5f6;
    --cast-offwhite: #e8eaec;

    /* Steer Bootstrap's component variables toward CAST green. */
    --bs-primary: #3ab54a;
    --bs-primary-rgb: 58, 181, 74;
    --bs-link-color: #2a8f37;
    --bs-link-color-rgb: 42, 143, 55;
    --bs-link-hover-color: #1f5c28;
}

html, body {
    font-family: 'Barlow', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #1c1f23;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: 'Barlow Condensed', 'Barlow', sans-serif;
    font-weight: 700;
    letter-spacing: 0.01em;
}

a, .btn-link {
    color: var(--cast-green-dark);
}
a:hover, .btn-link:hover {
    color: var(--cast-green-dim);
}

/* Primary buttons = CAST green with the site's subtle lift on hover. */
.btn-primary {
    color: #fff;
    background-color: var(--cast-green);
    border-color: var(--cast-green);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    color: #fff !important;
    background-color: var(--cast-green-bright) !important;
    border-color: var(--cast-green-bright) !important;
    transform: translateY(-1px);
}

.btn-outline-secondary {
    --bs-btn-color: var(--cast-charcoal);
    --bs-btn-border-color: var(--cast-slate);
    --bs-btn-hover-bg: var(--cast-charcoal);
    --bs-btn-hover-border-color: var(--cast-charcoal);
}

/* Green focus rings instead of Bootstrap blue. */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-select:focus, .form-check-input:focus {
    border-color: var(--cast-green);
    box-shadow: 0 0 0 0.2rem rgba(58, 181, 74, 0.25);
}
.form-check-input:checked {
    background-color: var(--cast-green);
    border-color: var(--cast-green);
}

/* Tabs on the project detail page. */
.nav-tabs .nav-link {
    color: var(--cast-slate);
    border: none;
    border-bottom: 2px solid transparent;
}
.nav-tabs .nav-link:hover {
    color: var(--cast-green-dark);
    border-bottom-color: var(--cast-light);
}
.nav-tabs .nav-link.active {
    color: var(--cast-charcoal);
    background: none;
    border: none;
    border-bottom: 2px solid var(--cast-green);
    font-weight: 600;
}

/* Tables: condensed brand heading, subtle striping. */
.table > thead {
    border-bottom: 2px solid var(--cast-green);
}
.table > thead th {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--cast-slate);
    font-size: 0.95rem;
}

.badge.bg-info { background-color: var(--cast-green) !important; color: #fff !important; }

.content { padding-top: 1.1rem; }
h1:focus { outline: none; }

/* ---- validation / framework defaults (kept from template) ---- */
.valid.modified:not([type=checkbox]) { outline: 1px solid var(--cast-green); }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #e50000; }

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem 1rem 1rem 1rem;
    color: white;
}
.blazor-error-boundary::after { content: "An error has occurred."; }

.darker-border-checkbox.form-check-input { border-color: #929292; }
.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}
.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ============================================================
   Surfaces + dark mode (Bootstrap 5.3 data-bs-theme color modes).
   The dark CAST chrome (sidebar + top bar) is already dark in both
   modes; these rules flip the light content area and our few
   hard-coded surfaces, and keep CAST green readable on dark.
   ============================================================ */
.app-surface { background-color: #fff; }
.app-surface-muted { background-color: #f8f9fa; }

[data-bs-theme="dark"] {
    --bs-link-color: var(--cast-green-bright);
    --bs-link-color-rgb: 79, 208, 96;
    --bs-link-hover-color: var(--cast-green);
}

[data-bs-theme="dark"] body { color: var(--cast-offwhite); }

[data-bs-theme="dark"] a,
[data-bs-theme="dark"] .btn-link { color: var(--cast-green-bright); }
[data-bs-theme="dark"] a:hover,
[data-bs-theme="dark"] .btn-link:hover { color: var(--cast-green); }

[data-bs-theme="dark"] .app-surface { background-color: var(--cast-charcoal); }
[data-bs-theme="dark"] .app-surface-muted { background-color: #23262a; }

[data-bs-theme="dark"] .table > thead th { color: var(--cast-light); }
[data-bs-theme="dark"] .nav-tabs .nav-link { color: var(--cast-light); }
[data-bs-theme="dark"] .nav-tabs .nav-link.active { color: var(--cast-white); }