/*
Theme Name: Ubuntu Minimal
Theme URI: https://example.com/ubuntu-minimal
Author: Your Name
Author URI: https://example.com
Description: A lightweight, mobile-first, light-mode-only WordPress theme built with the Ubuntu font family. Features a fixed bottom navigation on mobile, a two-column desktop layout, CSS custom properties for easy rebranding, and built-in AdSense / Amazon affiliate placeholders.
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ubuntu-minimal
Tags: blog, one-column, two-columns, right-sidebar, custom-menu, featured-images, translation-ready
*/

/* ---------------------------------------------------------------
 * Ubuntu font import
 * -------------------------------------------------------------*/
@import url('https://fonts.googleapis.com/css2?family=Ubuntu:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

/* ---------------------------------------------------------------
 * 1. CSS Custom Properties (change these to rebrand the site)
 * -------------------------------------------------------------*/
:root {
    /* Colors */
    --clr-bg: #FCF2E5;               /* page background */
    --clr-surface: #f6f7f9;          /* cards, product boxes, form fields */
    --clr-surface-2: #eceef1;        /* hover states, subtle surfaces */
    --clr-text: #1c1e21;             /* primary text */
    --clr-text-muted: #6c7178;       /* secondary / muted text */
    --clr-border: #e4e6ea;           /* borders and dividers */
    --clr-primary: #e95420;          /* primary accent (links, buttons) */
    --clr-primary-strong: #c9411a;   /* primary accent on hover */
    --clr-secondary: #772953;        /* secondary accent (Ubuntu aubergine) */
    --clr-accent: #2c001e;           /* deep accent for footer / headings */
    --clr-on-primary: #ffffff;       /* text/icon color on primary */

    /* Typography */
    --font-body: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 1rem;          /* 16px */
    --line-height: 1.7;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;

    /* Layout */
    --container-max: 1140px;
    --container-pad: 1.25rem;
    --sidebar-width: 320px;
    --header-height: 68px;

    /* Effects */
    --radius: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(28, 30, 33, 0.06);
    --shadow-md: 0 4px 16px rgba(28, 30, 33, 0.08);

    /* Focus */
    --clr-focus: var(--clr-primary);
}

/* ---------------------------------------------------------------
 * 2. Reset & base
 * -------------------------------------------------------------*/
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--clr-text);
    background-color: var(--clr-bg);
    padding-bottom: 70px; /* room for fixed bottom nav on mobile */
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--clr-primary);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--clr-primary-strong);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-body);
    font-weight: 500;
    line-height: 1.25;
    color: var(--clr-accent);
    margin: 0 0 var(--space-sm);
}

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

ul, ol {
    padding-left: 1.25rem;
    margin: 0 0 var(--space-sm);
}

blockquote {
    margin: var(--space-md) 0;
    padding: var(--space-sm) var(--space-md);
    border-left: 4px solid var(--clr-primary);
    background: var(--clr-surface);
    border-radius: 0 var(--radius) var(--radius) 0;
}

pre, code {
    font-family: 'Ubuntu Mono', ui-monospace, monospace;
    font-size: 0.9em;
    background: var(--clr-surface);
    border-radius: 6px;
}

code { padding: 2px 6px; }
pre { padding: var(--space-sm); overflow-x: auto; }
pre code { padding: 0; background: none; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-md);
}
th, td { padding: 0.5rem; border: 1px solid var(--clr-border); text-align: left; }
th { background: var(--clr-surface); }

::selection {
    background: var(--clr-primary);
    color: var(--clr-on-primary);
}

:focus-visible {
    outline: 2px solid var(--clr-focus);
    outline-offset: 2px;
}

/* Accessibility: visually hidden but available to screen readers */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    width: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    word-wrap: normal !important;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 100000;
}
.skip-link:focus {
    left: 1rem;
    top: 1rem;
    background: var(--clr-accent);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
}

/* ---------------------------------------------------------------
 * 3. Layout helpers
 * -------------------------------------------------------------*/
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
}

/* ---------------------------------------------------------------
 * 4. Header
 * -------------------------------------------------------------*/
.site-header {
    background: var(--clr-bg);
    border-bottom: 1px solid var(--clr-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    min-height: var(--header-height);
}

.site-branding {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.site-title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.1;
}
.site-title a {
    color: var(--clr-accent);
}
.site-title a:hover {
    color: var(--clr-primary);
}

.site-description {
    margin: 0;
    font-size: 0.8rem;
    color: var(--clr-text-muted);
}

.custom-logo {
    max-height: 42px;
    width: auto;
}

/* Desktop navigation (hidden on mobile) */
.site-nav {
    display: none;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--space-md);
}
.nav-menu li { position: relative; }
.nav-menu a {
    color: var(--clr-text);
    font-weight: 500;
    padding: 0.5rem 0;
    display: block;
}
.nav-menu a:hover,
.nav-menu .current-menu-item > a,
.nav-menu .current_page_item > a {
    color: var(--clr-primary);
}

/* ---------------------------------------------------------------
 * 5. Header AdSense slot
 * -------------------------------------------------------------*/
.adsense-slot {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90px;
    margin: var(--space-sm) auto;
    max-width: var(--container-max);
    padding: var(--space-sm);
    border: 1px dashed var(--clr-border);
    border-radius: var(--radius);
    background: var(--clr-surface);
    position: relative;
}
.adsense-slot::before {
    content: attr(data-label);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
}
.adsense-slot--in-content-1,
.adsense-slot--in-content-2 {
    min-height: 100px;
}
.adsense-slot--sidebar {
    min-height: 250px;
    margin: 0 0 var(--space-md);
}

/* ---------------------------------------------------------------
 * 6. Main layout (single column mobile, two columns desktop)
 * -------------------------------------------------------------*/
.site-main {
    padding: var(--space-md) 0 var(--space-lg);
}

.layout {
    display: block;
}

.entry-content {
    max-width: 760px;
}

/* ---------------------------------------------------------------
 * 7. Posts & archives (no author, no date)
 * -------------------------------------------------------------*/
.post {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--clr-border);
}
.post:last-of-type {
    border-bottom: 0;
    margin-bottom: 0;
}

.post__thumbnail {
    margin: 0 0 var(--space-sm);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.post__thumbnail img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.post__title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.post__title a {
    color: var(--clr-accent);
}
.post__title a:hover {
    color: var(--clr-primary);
}

.post__excerpt {
    color: var(--clr-text-muted);
}

.read-more {
    font-weight: 500;
}

.entry-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-sm);
}

.page-header {
    margin-bottom: var(--space-lg);
}
.page-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
}
.archive-description {
    color: var(--clr-text-muted);
}

/* Featured image on single */
.post__thumbnail--single img {
    aspect-ratio: auto;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

/* Pagination */
.pagination,
.post-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}
.pagination .nav-links {
    display: flex;
    gap: 0.5rem;
}
.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.5rem;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    color: var(--clr-text);
}
.page-numbers.current {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: var(--clr-on-primary);
}
.page-numbers:hover:not(.current) {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
}

/* ---------------------------------------------------------------
 * 8. Sidebar
 * -------------------------------------------------------------*/
.sidebar {
    margin-top: var(--space-lg);
}

.widget {
    margin-bottom: var(--space-lg);
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}
.widget:last-child { margin-bottom: 0; }

.widget-title {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.widget ul li {
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--clr-border);
}
.widget ul li:last-child { border-bottom: 0; }
.widget a { color: var(--clr-text); }
.widget a:hover { color: var(--clr-primary); }

/* ---------------------------------------------------------------
 * 9. Footer
 * -------------------------------------------------------------*/
.site-footer {
    background: var(--clr-accent);
    color: #e9e3ec;
    margin-top: var(--space-lg);
    padding: var(--space-lg) 0 calc(var(--space-lg) + 70px); /* extra for bottom nav */
}
.site-footer a { color: #ffffff; }
.site-footer a:hover { color: var(--clr-primary); }

.site-footer__inner {
    text-align: center;
    font-size: 0.9rem;
}
.site-footer .adsense-slot {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
}
.site-footer .adsense-slot::before {
    color: #cbbbd0;
}

/* Footer menu */
.footer-menu {
    margin: 0 0 var(--space-md);
    text-align: center;
    font-size: 0.85rem;
    line-height: 2;
}
.footer-menu__sep {
    color: rgba(255, 255, 255, 0.3);
    margin: 0 0.35rem;
}
.footer-menu a {
    color: #e9e3ec;
    text-decoration: none;
}
.footer-menu a:hover {
    color: var(--clr-primary);
    text-decoration: underline;
}

.site-footer__copy {
    font-size: 0.8rem;
    color: #b09eb8;
    margin: 0;
}

/* ---------------------------------------------------------------
 * 10. Entry footer (categories & tags as #hashtags)
 * -------------------------------------------------------------*/
.entry-footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--clr-border);
}
.post__categories,
.post__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--space-xs);
}
.post__categories a,
.post__tags a {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--clr-text);
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}
.post__categories a:hover,
.post__tags a:hover {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: var(--clr-on-primary);
}

/* ---------------------------------------------------------------
 * 11. Bottom navigation (mobile only)
 * -------------------------------------------------------------*/
.bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background: var(--clr-bg);
    border-top: 1px solid var(--clr-border);
    box-shadow: 0 -2px 12px rgba(28, 30, 33, 0.06);
    padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav__menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-around;
}
.bottom-nav__menu li {
    flex: 1 1 0;
}
.bottom-nav__menu a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 0.5rem 0.25rem 0.6rem;
    color: var(--clr-text-muted);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}
.bottom-nav__menu a svg {
    width: 22px;
    height: 22px;
}
.bottom-nav__menu a:hover,
.bottom-nav__menu .current-menu-item > a {
    color: var(--clr-primary);
}

/* ---------------------------------------------------------------
 * 12. Search overlay
 * -------------------------------------------------------------*/
.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(28, 30, 33, 0.55);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 15vh 1.25rem 1.25rem;
}
.search-overlay.is-open {
    display: flex;
}
.search-overlay__box {
    width: 100%;
    max-width: min(560px, calc(100vw - 2.5rem));
    background: var(--clr-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}
.search-overlay__title {
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}
.search-overlay__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--clr-surface);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    color: var(--clr-text);
}

.search-form {
    display: flex;
    gap: 0.5rem;
}
.search-form .search-field {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background: var(--clr-surface);
}
.search-form .search-field:focus {
    outline: 2px solid var(--clr-focus);
    outline-offset: 0;
    border-color: transparent;
    background: #fff;
}
.search-form .search-submit {
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    background: var(--clr-primary);
    color: var(--clr-on-primary);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
}
.search-form .search-submit:hover {
    background: var(--clr-primary-strong);
}

/* ---------------------------------------------------------------
 * 13. Amazon Product Box (.amazon-product-box)
 * -------------------------------------------------------------*/
.amazon-product-box {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    padding: var(--space-md);
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.amazon-product-box__image {
    background: #fff;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm);
}
.amazon-product-box__image img {
    max-height: 220px;
    width: auto;
}

.amazon-product-box__title {
    margin: 0 0 0.4rem;
    font-size: 1.2rem;
}

.amazon-product-box__desc {
    margin: 0 0 var(--space-sm);
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

.amazon-product-box__price {
    display: block;
    margin: 0 0 var(--space-sm);
    font-weight: 700;
    color: var(--clr-accent);
    font-size: 1.1rem;
}

.amazon-product-box__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--clr-primary);
    color: var(--clr-on-primary);
    border-radius: var(--radius);
    font-weight: 700;
    text-decoration: none;
    transition: background 0.15s ease, transform 0.15s ease;
}
.amazon-product-box__btn:hover {
    background: var(--clr-primary-strong);
    color: #fff;
    transform: translateY(-1px);
}
.amazon-product-box__btn svg {
    width: 18px;
    height: 18px;
}

.amazon-product-box__tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    margin-bottom: 0.5rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--clr-secondary);
    background: rgba(119, 41, 83, 0.1);
    border-radius: 999px;
}

/* ---------------------------------------------------------------
 * 14. Comments
 * -------------------------------------------------------------*/
.comments-area {
    margin-top: var(--space-xl);
}
.comment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.comment {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--clr-border);
}
.comment-meta {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    margin-bottom: 0.4rem;
}
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: var(--space-sm);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    font-family: inherit;
    background: var(--clr-surface);
}
.comment-form .submit {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    background: var(--clr-primary);
    color: var(--clr-on-primary);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
}
.comment-form .submit:hover {
    background: var(--clr-primary-strong);
}

/* ---------------------------------------------------------------
 * 15. Misc
 * -------------------------------------------------------------*/
.alignleft { float: left; margin: 0 var(--space-sm) var(--space-sm) 0; }
.alignright { float: right; margin: 0 0 var(--space-sm) var(--space-sm); }
.aligncenter { margin-left: auto; margin-right: auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 0.85rem; color: var(--clr-text-muted); text-align: center; }
.sticky { border-left: 4px solid var(--clr-primary); padding-left: var(--space-sm); }

.no-results {
    text-align: center;
    padding: var(--space-xl) 0;
}

/* ---------------------------------------------------------------
 * 16. Responsive breakpoints
 * -------------------------------------------------------------*/

/* Tablet and up */
@media (min-width: 768px) {
    :root {
        --container-pad: 1.75rem;
    }
    .post__title { font-size: 1.75rem; }
}

/* Desktop and up: show top nav, hide bottom nav, two-column layout */
@media (min-width: 992px) {
    body {
        padding-bottom: 0;
    }

    .site-nav {
        display: block;
    }

    .bottom-nav {
        display: none;
    }

    .site-footer {
        padding-bottom: var(--space-lg);
    }

    /* Two-column layout: main + right sidebar */
    .layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
        gap: var(--space-lg);
        align-items: start;
    }

    .sidebar {
        margin-top: 0;
    }

    /* Sticky sidebar (incl. sticky AdSense widget) */
    .sidebar__inner {
        position: sticky;
        top: calc(var(--header-height) + var(--space-sm));
    }

    .amazon-product-box {
        grid-template-columns: 200px 1fr;
        align-items: start;
    }
    .amazon-product-box__image {
        align-self: stretch;
    }
}