/* ==========================================================================
   myblog design system
   ========================================================================== */

/* ----- Tokens ----- */
:root {
    --brand: #4f46e5;
    --brand-hover: #4338ca;
    --brand-contrast: #ffffff;
    --accent-soft: rgba(79, 70, 229, 0.10);

    --bg: #fafbfc;
    --bg-elevated: #ffffff;
    --surface: #ffffff;
    --surface-muted: #f3f4f7;

    --text: #11131a;
    --text-muted: #5a6075;
    --text-subtle: #8a90a3;
    --border: #e6e8ef;
    --border-strong: #d2d6e2;

    --shadow-sm: 0 1px 2px rgba(17, 19, 26, 0.04), 0 1px 3px rgba(17, 19, 26, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(17, 19, 26, 0.06), 0 2px 4px -2px rgba(17, 19, 26, 0.06);
    --shadow-lg: 0 12px 24px -8px rgba(17, 19, 26, 0.12), 0 4px 8px -4px rgba(17, 19, 26, 0.06);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 999px;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --space-9: 6rem;
    --space-10: 8rem;

    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Audiowide', var(--font-sans);
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --max-prose: 68ch;
    --navbar-h: 4.5rem;

    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-bs-theme="dark"] {
    --brand: #818cf8;
    --brand-hover: #a5b4fc;
    --brand-contrast: #0b0d12;
    --accent-soft: rgba(129, 140, 248, 0.14);

    --bg: #0b0d12;
    --bg-elevated: #11141c;
    --surface: #161922;
    --surface-muted: #1c2030;

    --text: #e9eaf0;
    --text-muted: #a4abc0;
    --text-subtle: #6b7390;
    --border: #262a36;
    --border-strong: #353a4a;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 6px 12px -4px rgba(0, 0, 0, 0.55), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 32px -12px rgba(0, 0, 0, 0.65), 0 6px 12px -6px rgba(0, 0, 0, 0.4);
}

/* ----- Base reset ----- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: var(--navbar-h);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background-color: var(--bg) !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition), color var(--transition);
}

main {
    flex: 1 0 auto;
}

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

a:hover {
    color: var(--brand-hover);
}

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 4px;
}

::selection {
    background: var(--accent-soft);
    color: var(--text);
}

img {
    max-width: 100%;
    height: auto;
}

hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: var(--space-7) 0;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--space-4);
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.625rem, 3vw, 2.125rem); }
h3 { font-size: clamp(1.375rem, 2.4vw, 1.625rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }

p {
    margin: 0 0 var(--space-4);
}

.font-display {
    font-family: var(--font-display);
    letter-spacing: 0.01em;
}

.audiowide-regular {
    font-family: var(--font-display);
    font-weight: 400;
    font-style: normal;
}

.lead {
    font-size: 1.25rem;
    line-height: 1.55;
    color: var(--text-muted);
    font-weight: 400;
}

.text-muted-soft {
    color: var(--text-muted) !important;
}

code,
kbd,
samp {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--surface-muted);
    padding: 0.15em 0.35em;
    border-radius: var(--radius-sm);
}

pre {
    font-family: var(--font-mono);
    background: var(--surface-muted) !important;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    overflow-x: auto;
    line-height: 1.6;
    font-size: 0.9rem;
}

pre code {
    background: transparent;
    padding: 0;
}

blockquote {
    margin: var(--space-5) 0;
    padding: var(--space-3) var(--space-5);
    border-left: 3px solid var(--brand);
    background: var(--accent-soft);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text);
    font-style: italic;
}

/* ----- Layout helpers ----- */
.container-narrow {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.py-section {
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
}

.article-wrap {
    padding-top: var(--space-6);
    padding-bottom: var(--space-4);
}

.py-section-lg {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

.stack > * + * {
    margin-top: var(--space-4);
}

.stack-lg > * + * {
    margin-top: var(--space-6);
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ----- Skip link ----- */
.skip-link {
    position: absolute;
    left: 1rem;
    top: -100px;
    z-index: 2000;
    background: var(--brand);
    color: var(--brand-contrast);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 0.75rem;
    color: var(--brand-contrast);
}

/* ----- Navbar ----- */
.navbar.fixed-top {
    height: var(--navbar-h);
    background-color: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: none;
    padding: 0 1rem;
    transition: background-color var(--transition), border-color var(--transition);
}

@supports not (background-color: color-mix(in srgb, white 50%, transparent)) {
    .navbar.fixed-top {
        background-color: var(--bg-elevated);
        opacity: 0.96;
    }
}

.navbar .navbar-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text) !important;
    padding: 0;
    margin-right: var(--space-6);
}

.navbar .navbar-brand:hover {
    color: var(--brand) !important;
}

.navbar-nav .nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted) !important;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background-color var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--text) !important;
    background-color: var(--accent-soft);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition), background-color var(--transition), border-color var(--transition);
    text-decoration: none;
    flex-shrink: 0;
}

.nav-icon-btn:hover {
    color: var(--text);
    background-color: var(--surface-muted);
    border-color: var(--border-strong);
}

.theme-toggle .bi-moon-stars-fill {
    display: none;
}

[data-bs-theme="dark"] .theme-toggle .bi-sun-fill {
    display: none;
}

[data-bs-theme="dark"] .theme-toggle .bi-moon-stars-fill {
    display: inline-block;
}

.navbar-toggler {
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-md);
    background: transparent;
    flex-shrink: 0;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem var(--accent-soft);
}

.navbar-toggler .navbar-toggler-icon {
    width: 1.25rem;
    height: 1.25rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%235a6075' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-bs-theme="dark"] .navbar-toggler .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23a4abc0' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
    .navbar.fixed-top .container {
        flex-wrap: nowrap;
    }

    .navbar.fixed-top .navbar-brand {
        margin-right: auto;
        font-size: 1.25rem;
        max-width: 60vw;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .navbar.fixed-top .navbar-collapse {
        position: absolute;
        top: var(--navbar-h);
        left: 0;
        right: 0;
        background: var(--bg-elevated);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: var(--space-3) var(--space-5);
    }

    .navbar.fixed-top .navbar-nav .nav-link {
        padding: 0.75rem 0.5rem !important;
        border-bottom: 1px solid var(--border);
    }

    .navbar.fixed-top .navbar-nav .nav-item:last-child .nav-link {
        border-bottom: 0;
    }
}

@media (min-width: 992px) {
    .navbar-toggler { display: none; }
}

/* ----- Buttons ----- */
.btn-brand {
    --bs-btn-padding-y: 0.65rem;
    --bs-btn-padding-x: 1.4rem;
    background-color: var(--brand);
    border: 1px solid var(--brand);
    color: var(--brand-contrast);
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 0.65rem 1.4rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.btn-brand:hover,
.btn-brand:focus {
    background-color: var(--brand-hover);
    border-color: var(--brand-hover);
    color: var(--brand-contrast);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background-color: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text);
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 0.65rem 1.4rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color var(--transition), border-color var(--transition);
    text-decoration: none;
}

.btn-ghost:hover {
    background-color: var(--surface-muted);
    border-color: var(--brand);
    color: var(--text);
}

/* Override Bootstrap btn-primary to brand */
.btn-primary {
    background-color: var(--brand) !important;
    border-color: var(--brand) !important;
    color: var(--brand-contrast) !important;
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 0.55rem 1.1rem;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--brand-hover) !important;
    border-color: var(--brand-hover) !important;
}

.arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--brand);
    font-weight: 600;
    text-decoration: none;
    transition: gap var(--transition);
}

.arrow-link:hover {
    gap: 0.7rem;
    color: var(--brand-hover);
}

/* ----- Section heading ----- */
.section-heading {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text);
}

.section-subtitle {
    color: var(--text-muted);
    margin-bottom: var(--space-6);
    font-size: 1.05rem;
}

.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand);
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: var(--space-2);
    display: inline-block;
}

/* ----- Cards ----- */
.card-post {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    text-decoration: none;
    color: inherit;
}

.card-post:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-lg);
    color: inherit;
}

.card-post__media {
    aspect-ratio: 16 / 10;
    background: var(--surface-muted);
    overflow: hidden;
    position: relative;
}

.card-post__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms cubic-bezier(0.2, 0, 0, 1);
}

.card-post:hover .card-post__media img {
    transform: scale(1.04);
}

.card-post__body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    gap: var(--space-3);
}

.card-post__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-post__excerpt {
    color: var(--text-muted);
    font-size: 0.975rem;
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-post__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.8rem;
    color: var(--text-subtle);
    margin: 0;
}

.card-post__meta .dot {
    width: 3px;
    height: 3px;
    background: var(--text-subtle);
    border-radius: 50%;
    display: inline-block;
}

.card-post__footer {
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
}

.card-post__footer .card-post__meta {
    margin: 0;
}

/* ----- Chips / tags ----- */
.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    background: var(--accent-soft);
    color: var(--brand);
    border-radius: var(--radius-pill);
    font-size: 0.825rem;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition);
    margin: 0.15rem 0.15rem 0.15rem 0;
}

a.chip:hover {
    background: var(--brand);
    color: var(--brand-contrast);
}

.chip--neutral {
    background: var(--surface-muted);
    color: var(--text-muted);
}

a.chip--neutral:hover {
    background: var(--border);
    color: var(--text);
}

/* ----- Hero / banner ----- */
.hero {
    position: relative;
    padding: var(--space-9) 0 var(--space-9);
    text-align: center;
    overflow: hidden;
    isolation: isolate;
    background-color: var(--hero-bg, transparent);
    color: var(--hero-text, inherit);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at top, var(--accent-soft) 0%, transparent 60%),
        linear-gradient(180deg, transparent 0%, var(--bg) 100%);
    z-index: -1;
    opacity: var(--hero-overlay-opacity, 1);
}

.hero[style*="--hero-bg"]::before {
    --hero-overlay-opacity: 0.35;
}

.hero[style*="--hero-text"] .hero__title,
.hero[style*="--hero-text"] .hero__subtitle {
    color: var(--hero-text);
}

.hero__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--brand);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 6vw, 4rem);
    line-height: 1.05;
    margin: 0 auto var(--space-5);
    max-width: 18ch;
    letter-spacing: 0.005em;
}

.hero__subtitle {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    color: var(--text-muted);
    max-width: 60ch;
    margin: 0 auto var(--space-6);
}

.hero__image {
    margin-top: var(--space-7);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16 / 7;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__cta-row {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

/* ----- Prose (article body) ----- */
.prose {
    color: var(--text);
    font-size: 1.0625rem;
    line-height: 1.75;
}

.prose > * {
    max-width: var(--max-prose);
    margin-left: auto;
    margin-right: auto;
}

.prose h2 {
    margin-top: var(--space-7);
    margin-bottom: var(--space-4);
    font-size: clamp(1.5rem, 2.5vw, 1.875rem);
}

.prose h3 {
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
    font-size: 1.375rem;
}

.prose p,
.prose ul,
.prose ol {
    margin-bottom: var(--space-5);
}

.prose ul,
.prose ol {
    padding-left: 1.5rem;
}

.prose li + li {
    margin-top: var(--space-2);
}

.prose img,
.prose figure {
    display: block;
    margin: var(--space-6) auto;
    max-width: 100%;
    border-radius: var(--radius-md);
}

.prose figure {
    text-align: center;
}

.prose figcaption {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: var(--space-2);
    text-align: center;
}

.prose a {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    text-decoration-color: color-mix(in srgb, var(--brand) 40%, transparent);
}

.prose a:hover {
    text-decoration-color: var(--brand);
}

.prose mjx-container {
    overflow-x: auto;
    max-width: 100%;
}

/* ----- Article meta row ----- */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-5);
}

.article-meta .dot {
    width: 3px;
    height: 3px;
    background: var(--text-subtle);
    border-radius: 50%;
}

/* ----- Breadcrumbs ----- */
.breadcrumb-nav {
    margin-bottom: var(--space-5);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.breadcrumb-nav a {
    color: var(--text-muted);
    text-decoration: none;
}

.breadcrumb-nav a:hover {
    color: var(--brand);
}

.breadcrumb-nav .sep {
    margin: 0 0.4rem;
    color: var(--text-subtle);
}

/* ----- Subscribe form ----- */
.subscribe-wrap {
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
}

.subscribe-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-5);
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
}

.subscribe-card__title {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
}

.subscribe-card__subtitle {
    color: var(--text-muted);
    margin-bottom: var(--space-5);
    font-size: 0.975rem;
}

.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 480px;
    margin: 0 auto;
}

@media (min-width: 576px) {
    .subscribe-form {
        flex-direction: row;
    }
}

.subscribe-form input[type="email"] {
    flex: 1 1 auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    color: var(--text);
    border-radius: var(--radius-md);
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.subscribe-form input[type="email"]::placeholder {
    color: var(--text-subtle);
}

.subscribe-form input[type="email"]:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.subscribe-form button {
    flex: 0 0 auto;
    background: var(--brand);
    border: 1px solid var(--brand);
    color: var(--brand-contrast);
    border-radius: var(--radius-md);
    padding: 0.7rem 1.4rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background var(--transition);
}

.subscribe-form button:hover {
    background: var(--brand-hover);
    border-color: var(--brand-hover);
}

.subscribe-status {
    margin-top: var(--space-3);
    font-size: 0.875rem;
    min-height: 1.25rem;
    color: var(--text-muted);
}

.subscribe-status.is-success { color: #16a34a; }
.subscribe-status.is-error   { color: #dc2626; }

[data-bs-theme="dark"] .subscribe-status.is-success { color: #4ade80; }
[data-bs-theme="dark"] .subscribe-status.is-error   { color: #f87171; }

/* ----- Search ----- */
.search-hero {
    padding: var(--space-8) 0 var(--space-6);
    text-align: center;
}

.search-input-wrap {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
}

.search-input-wrap .bi-search {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-subtle);
    pointer-events: none;
}

.search-input {
    width: 100%;
    border: 1px solid var(--border-strong);
    background: var(--bg-elevated);
    color: var(--text);
    border-radius: var(--radius-pill);
    padding: 0.85rem 1.25rem 0.85rem 2.75rem;
    font-size: 1.05rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.search-results {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.search-result {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    transition: border-color var(--transition), transform var(--transition);
}

.search-result:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.search-result h3 {
    margin: 0 0 var(--space-2);
    font-size: 1.2rem;
}

.search-result h3 a {
    color: var(--text);
    text-decoration: none;
}

.search-result h3 a:hover {
    color: var(--brand);
}

.search-result__desc {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.95rem;
}

/* ----- Empty state ----- */
.empty-state {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    color: var(--text-muted);
}

.empty-state__icon {
    font-size: 3rem;
    color: var(--text-subtle);
    margin-bottom: var(--space-4);
}

.empty-state__title {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: var(--space-2);
}

/* ----- Pagination ----- */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-7);
    list-style: none;
    padding: 0;
}

.pagination a,
.pagination span {
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background var(--transition), border-color var(--transition);
}

.pagination a:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.pagination .current {
    background: var(--brand);
    color: var(--brand-contrast);
    border-color: var(--brand);
}

/* ----- Footer ----- */
.site-footer {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    padding: var(--space-7) 0 var(--space-5);
    margin-top: var(--space-6);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-5);
}

@media (min-width: 768px) {
    .site-footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.site-footer__brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text);
    text-decoration: none;
    display: inline-block;
    margin-bottom: var(--space-2);
}

.site-footer__tagline {
    color: var(--text-muted);
    max-width: 36ch;
    line-height: 1.55;
}

.site-footer h6 {
    color: var(--text);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.site-footer a {
    color: var(--text-muted);
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--brand);
}

.site-footer__social {
    display: flex;
    gap: var(--space-3);
}

.site-footer__social a {
    width: 2.25rem;
    height: 2.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-muted);
    font-size: 1rem;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.site-footer__social a:hover {
    color: var(--brand);
    border-color: var(--brand);
    background: var(--accent-soft);
}

.site-footer__bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--space-4);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
    font-size: 0.85rem;
    color: var(--text-subtle);
}

/* ----- Toast ----- */
.toast-stack {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 1080;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.app-toast {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-left: 3px solid var(--brand);
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    font-size: 0.9rem;
    pointer-events: auto;
    min-width: 240px;
    animation: toast-in 240ms cubic-bezier(0.2, 0, 0, 1);
}

.app-toast.is-success { border-left-color: #16a34a; }
.app-toast.is-error   { border-left-color: #dc2626; }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ----- Error pages ----- */
.error-hero {
    padding: var(--space-9) 1rem var(--space-9);
    text-align: center;
}

.error-code {
    font-family: var(--font-display);
    font-size: clamp(5rem, 14vw, 9rem);
    line-height: 1;
    color: var(--brand);
    margin: 0 0 var(--space-4);
}

.error-hero__title {
    margin-bottom: var(--space-3);
}

.error-hero__body {
    color: var(--text-muted);
    max-width: 48ch;
    margin: 0 auto var(--space-6);
}

/* ----- Tag index header ----- */
.tag-header {
    padding: var(--space-7) 0 var(--space-5);
    text-align: center;
}

/* ----- Razorpay wrapper ----- */
.support-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.support-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}

.support-card__subtitle {
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    font-size: 0.95rem;
}

/* ----- Prev/Next post nav ----- */
.post-nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border);
}

@media (min-width: 640px) {
    .post-nav {
        grid-template-columns: 1fr 1fr;
    }
}

.post-nav__item {
    display: block;
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text);
    text-decoration: none;
    transition: border-color var(--transition), transform var(--transition);
}

.post-nav__item:hover {
    border-color: var(--brand);
    transform: translateY(-2px);
    color: var(--text);
}

.post-nav__label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
}

.post-nav__title {
    font-weight: 600;
    font-size: 0.975rem;
    line-height: 1.4;
}

.post-nav__item--next {
    text-align: right;
}

/* ----- Bootstrap surface overrides for dark mode ----- */
[data-bs-theme="dark"] .card {
    background-color: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

[data-bs-theme="dark"] .bg-light-subtle {
    background-color: var(--bg) !important;
}

/* ----- Print ----- */
@media print {
    .navbar, .site-footer, .skip-link, .subscribe-card, .post-nav { display: none !important; }
    body { padding-top: 0; }
}