/* ============================================================
 * Full Stack News — Design Token System
 * Brand blue: #103756  |  Brand green: #019386
 * ============================================================ */

/* #region Design Tokens */

/* ---------- Light theme (default) ---------- */
:root {
    /* QuickGrid paginator arrow — light theme */
    --quickgrid-arrow-icon: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><g transform='rotate(90) scale(0.8)' transform-origin='12 12' fill='%23000000'><path d='m 2,1.5 l 10,17.5 l 10,-17.5 l -10,7.75 l -10,-7.75 z'/><rect height='2' width='20' y='20.5' x='2'/></g></svg>");
    /* Navbar */
    --fsn-nav-bg: #103756;
    --fsn-nav-text: #ddeeff;
    --fsn-nav-hover-bg: rgba(255, 255, 255, 0.10);
    --fsn-nav-active-color: #5de3da;
    --fsn-nav-toggler-border: rgba(221, 238, 255, 0.50);
    /* Links — override Bootstrap's default blue with brand green */
    --bs-link-color-rgb: 12, 112, 104; /* #0c7068 */
    --bs-link-hover-color-rgb: 16, 55, 86; /* #103756 */
    /* Primary button */
    --fsn-btn-primary-bg: #103756;
    --fsn-btn-primary-border: #0c2d48;
    --fsn-btn-primary-hover-bg: #1a5175;
    --fsn-btn-primary-hover-border: #155068;
    /* Outline-primary button ("More →" on category cards) */
    --fsn-outline-primary-color: #103756;
    --fsn-outline-primary-border: #103756;
    --fsn-outline-primary-hover-bg: #103756;
    --fsn-outline-primary-hover-text: #fff;
    /* Focus ring */
    --fsn-focus-shadow: 0 0 0 0.1rem #fff, 0 0 0 0.25rem rgba(1, 147, 134, 0.55);
    /* Tag badges */
    --fsn-tag-bg: #ddf2f0;
    --fsn-tag-text: #0a5850;
    --fsn-tag-border: #a3d8d4;
    /* Category card header */
    /*--fsn-card-header-bg: #eef6f8;*/
    --fsn-card-header-bg: #103756;
    --fsn-card-header-border: #cce4eb;
    /* Footer */
    --fsn-footer-border: #dee2e6;
    --fsn-footer-text: #6c757d;
    /* Bootstrap Variable Overrides */
    /*--bs-body-bg: #dee2e6;*/
    --bs-body-bg: whitesmoke;
}

/* ---------- Dark theme ---------- */
[data-bs-theme="dark"] {
    /* QuickGrid paginator arrow — dark theme */
    --quickgrid-arrow-icon: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><g transform='rotate(90) scale(0.8)' transform-origin='12 12' fill='%23E9ECEF'><path d='m 2,1.5 l 10,17.5 l 10,-17.5 l -10,7.75 l -10,-7.75 z'/><rect height='2' width='20' y='20.5' x='2'/></g></svg>");
    /* Navbar */
    --fsn-nav-bg: #0a2234;
    --fsn-nav-text: #c8e0f4;
    --fsn-nav-hover-bg: rgba(255, 255, 255, 0.07);
    --fsn-nav-active-color: #34c9bc;
    --fsn-nav-toggler-border: rgba(200, 224, 244, 0.40);
    /* Links */
    --bs-link-color-rgb: 52, 201, 188; /* #34c9bc */
    --bs-link-hover-color-rgb: 109, 220, 213; /* #6ddcd5 */
    /* Primary button */
    --fsn-btn-primary-bg: #1a5f8a;
    --fsn-btn-primary-border: #155278;
    --fsn-btn-primary-hover-bg: #1e70a0;
    --fsn-btn-primary-hover-border: #1a5f8a;
    /* Outline-primary button */
    --fsn-outline-primary-color: #34c9bc;
    --fsn-outline-primary-border: #34c9bc;
    --fsn-outline-primary-hover-bg: #34c9bc;
    --fsn-outline-primary-hover-text: #0a2234;
    /* Focus ring */
    --fsn-focus-shadow: 0 0 0 0.1rem rgba(255, 255, 255, 0.15), 0 0 0 0.25rem rgba(52, 201, 188, 0.50);
    /* Tag badges */
    --fsn-tag-bg: #0d3530;
    --fsn-tag-text: #5dddd4;
    --fsn-tag-border: #1a5e58;
    /* Category card header */
    --fsn-card-header-bg: #162230;
    --fsn-card-header-border: #243a4e;
    /* Footer */
    --fsn-footer-border: #2d3d4f;
    --fsn-footer-text: #8a9bb0;
    /* Bootstrap Variable Overrides */
    --bs-body-bg: #212529
}

/* Fallback: apply dark arrow before JS sets data-bs-theme (SSR flash guard) */
@media (prefers-color-scheme: dark) {
    :root {
        --quickgrid-arrow-icon: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><g transform='rotate(90) scale(0.8)' transform-origin='12 12' fill='%23E9ECEF'><path d='m 2,1.5 l 10,17.5 l 10,-17.5 l -10,7.75 l -10,-7.75 z'/><rect height='2' width='20' y='20.5' x='2'/></g></svg>");
    }
}

/* #endregion Design Tokens */

/* ============================================================
 * Base
 * ============================================================ */

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

/* ============================================================
 * Branded Navbar (.fsn-navbar)
 * ============================================================ */

.fsn-navbar {
    background-color: var(--fsn-nav-bg) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

.fsn-navbar .navbar-brand,
.fsn-navbar .nav-link,
.fsn-navbar .btn-link {
    color: var(--fsn-nav-text) !important;
}

.fsn-navbar .nav-link:hover,
.fsn-navbar .nav-link:focus,
.fsn-navbar .btn-link:hover,
.fsn-navbar .btn-link:focus {
    color: #fff !important;
    background-color: var(--fsn-nav-hover-bg);
    border-radius: 0.25rem;
}

.fsn-navbar .nav-link.active {
    color: var(--fsn-nav-active-color) !important;
    font-weight: 600;
}

.fsn-navbar .navbar-toggler {
    border-color: var(--fsn-nav-toggler-border);
}

.fsn-navbar .navbar-toggler-icon {
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

.fsn-navbar .dropdown-toggle::after {
    border-top-color: var(--fsn-nav-text);
}

/* ============================================================
 * Buttons — Brand Token Overrides
 * ============================================================ */

/* Primary button uses brand blue */
.btn-primary {
    --bs-btn-color:              #fff;
    --bs-btn-bg:                 var(--fsn-btn-primary-bg);
    --bs-btn-border-color:       var(--fsn-btn-primary-border);
    --bs-btn-hover-color:        #fff;
    --bs-btn-hover-bg:           var(--fsn-btn-primary-hover-bg);
    --bs-btn-hover-border-color: var(--fsn-btn-primary-hover-border);
    --bs-btn-active-color:       #fff;
    --bs-btn-active-bg:          var(--fsn-btn-primary-hover-bg);
    --bs-btn-active-border-color: var(--fsn-btn-primary-border);
    --bs-btn-disabled-color:     #fff;
    --bs-btn-disabled-bg:        var(--fsn-btn-primary-bg);
    --bs-btn-disabled-border-color: var(--fsn-btn-primary-border);
    --bs-btn-focus-shadow-rgb:   1, 147, 134;
}

/* Outline-primary button ("More →" links in category cards) */
.btn-outline-primary {
    --bs-btn-color:              var(--fsn-outline-primary-color);
    --bs-btn-border-color:       var(--fsn-outline-primary-border);
    --bs-btn-hover-color:        var(--fsn-outline-primary-hover-text);
    --bs-btn-hover-bg:           var(--fsn-outline-primary-hover-bg);
    --bs-btn-hover-border-color: var(--fsn-outline-primary-border);
    --bs-btn-active-color:       var(--fsn-outline-primary-hover-text);
    --bs-btn-active-bg:          var(--fsn-outline-primary-hover-bg);
    --bs-btn-active-border-color: var(--fsn-outline-primary-border);
    --bs-btn-focus-shadow-rgb:   1, 147, 134;
}

/* Focus ring — all interactive controls */
.btn:focus-visible,
.btn:active:focus,
.btn-link.nav-link:focus-visible,
.form-control:focus,
.form-check-input:focus,
.form-select:focus {
    box-shadow: var(--fsn-focus-shadow);
    outline: none;
}

/* ============================================================
 * Forms
 * ============================================================ */

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.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;
}

/* ============================================================
 * Tag Badges & Filter Pills
 * ============================================================ */

/* Tag badges shown on article rows */
.tag-badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25em 0.55em;
    background-color: var(--fsn-tag-bg) !important;
    color: var(--fsn-tag-text) !important;
    border: 1px solid var(--fsn-tag-border);
}

/* Tag pill filter buttons (inactive) */
.tag-pill {
    border-radius: 1rem;
    font-size: 0.8rem;
    padding: 0.2em 0.7em;
}

/* ============================================================
 * Filter Bar
 * ============================================================ */

.filter-bar {
    padding: 1rem;
    background-color: var(--bs-tertiary-bg);
    border-radius: 0.5rem;
    border: 1px solid var(--bs-border-color-translucent);
}

/* ============================================================
 * Category Highlight Cards
 * ============================================================ */

.category-highlights .card-header {
    background-color: var(--fsn-card-header-bg);
    border-bottom-color: var(--fsn-card-header-border);
    font-weight: 600;
    color: #dee2e6;
}

/* ============================================================
 * Footer
 * ============================================================ */

.footer {
    border-top: 1px solid var(--fsn-footer-border);
    text-align: center;
    font-size: 0.85rem;
    color: var(--fsn-footer-text);
    margin-top: auto;
}

/* ============================================================
 * Blazor Error / Utility
 * ============================================================ */

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

/* ============================================================
 * QuickGrid
 * ============================================================ */

/* #region QuickGrid */
.quickgrid a {
    text-decoration: none;
}

    .quickgrid a:hover {
        text-decoration: underline;
    }

/* Hide QuickGrid's empty padding rows (rendered to maintain page height) */
.quickgrid > tbody > tr:not(:has(td:not(:empty))) {
    display: none;
}

/* Apply where QuickGrid sets the arrow icon */
.paginator > nav > .go-first,
.paginator > nav > .go-previous,
.paginator > nav > .go-next,
.paginator > nav > .go-last {
    background-image: var(--quickgrid-arrow-icon);
    color: var(--bs-body-color);
}
/* #endregion QuickGrid */

/* ============================================================
 * Article Grid
 * ============================================================ */

/* #region Article Grid */
.article-grid col {
    width: 100%;
}
.article-grid.quickgrid > tbody > tr > td.col-justify-start {
    padding: 0.5rem;
}

.article-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.article-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
}

.article-headline {
    flex: 1;
    font-weight: 500;
}

.article-date {
    white-space: nowrap;
    color: var(--bs-secondary-color);
    font-size: 0.85rem;
    padding-top: 0.1rem;
}

.article-middle {
    padding-top: 0.1rem;
}

.article-summary {
    color: var(--bs-secondary-color);
    font-size: 0.9rem;
    line-height: 1.4;
}

@media (max-width: 576px) {
    .article-summary {
        font-size: 0.85rem;
    }
}

.article-bottom {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.article-source {
    color: var(--bs-secondary-color);
    font-size: 0.85rem;
    white-space: nowrap;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
}
/* #endregion Article Grid */