/* =========================================================
   SPIRALYN MAIN STYLESHEET
   Organized for readability and future growth.

   Structure:
   1. Design Tokens
   2. Base / Page
   3. Typography
   4. Layout
   5. Header / Branding / Navigation
   6. Theme Toggle
   7. Main Content / Archive Items
   8. Sidebar / Forms / Tags
   9. Section Themes
   10. Pagination
   11. Footer
   12. Dark Mode
   13. Responsive
   ========================================================= */

/* =========================================================
   1. DESIGN TOKENS
   ========================================================= */

:root {
    /* Neutral palette */
    --page-bg: #f5f3ef;
    --surface-bg: #ffffff;
    --text-color: #222;
    --text-soft: #666;
    --text-muted: #888;
    --border-color: #ddd;
    --border-soft: #e7e1d8;

    /* Typography */
    --font-body: Georgia, serif;
    --font-ui: 'Poppins', sans-serif;

    /* Shared spacing / shape */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-pill: 999px;
    --transition: all 0.2s ease;

    /* Section accents */
    --lessons-color: #2c5f2d;
    --lessons-bg: rgba(44, 95, 45, 0.07);
    --lessons-border: rgba(44, 95, 45, 0.22);

    --stories-color: #8a5a44;
    --stories-bg: rgba(138, 90, 68, 0.07);
    --stories-border: rgba(138, 90, 68, 0.22);

    --home-color: #4a6fa5;
    --home-bg: rgba(74, 111, 165, 0.06);
    --home-border: rgba(74, 111, 165, 0.20);

    --default-color: #7f8c8d;
    --default-bg: rgba(127, 140, 141, 0.05);
    --default-border: rgba(127, 140, 141, 0.20);
}

/* =========================================================
   2. BASE / PAGE
   ========================================================= */

body {
    margin: 0;
    padding: 0;
    background-color: var(--page-bg);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.7;
    transition: background-color 0.3s ease, color 0.3s ease;

    /* Default section accent fallback */
    --section-color: var(--default-color);
    --section-bg: var(--default-bg);
    --section-border: var(--default-border);

    /* Subtle texture */
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

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

/* =========================================================
   3. TYPOGRAPHY
   ========================================================= */

h1,
h2,
h3 {
    font-family: var(--font-ui);
    font-weight: 600;
}

h1 {
    font-size: 28px;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 22px;
    margin-top: 30px;
    margin-bottom: 10px;
}

p {
    margin-bottom: 16px;
}

a {
    color: var(--section-color);
    transition: var(--transition);
}

a:hover {
    color: color-mix(in srgb, var(--section-color) 78%, black);
}

/* =========================================================
   4. LAYOUT
   ========================================================= */

.site-wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.site-main {
    padding-top: 30px;
    min-height: calc(100vh - 200px);
}

.content-with-sidebar {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.main-content {
    flex: 1 1 auto;
    min-width: 0;
}

.sidebar {
    width: 260px;
    flex: 0 0 260px;
    font-size: 15px;
    opacity: 0.9;
}

/* =========================================================
   5. HEADER / BRANDING / NAVIGATION
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
}

.site-header .site-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    gap: 20px;
}

.site-title {
    font-size: 20px;
    text-decoration: none;
    color: var(--text-color);
}

.site-logo {
    display: flex;
    align-items: center;
    line-height: 0;
}

.site-logo img {
    display: block;
    height: 60px;
    width: auto;
}

/* Light mode logo state */
.logo-light {
    display: block;
}

.logo-dark {
    display: none;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: auto;
}

.site-nav a {
    font-family: var(--font-ui);
    text-decoration: none;
    color: #555;
    font-size: 14px;
    white-space: nowrap;
    padding: 8px 0;
}

.site-nav a:hover {
    color: #000;
}

.site-nav a.is-active {
    color: #000;
    font-weight: 700;
}

/* =========================================================
   6. THEME TOGGLE
   ========================================================= */

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-color);
}

.theme-toggle:hover {
    transform: scale(1.05);
    background: rgba(0, 0, 0, 0.05);
}

.theme-toggle {
    color: var(--text-color);
}

.dark-mode .theme-toggle {
    color: #e0e0e0;
}
.theme-toggle .moon-icon {
    display: none;
}

.theme-toggle .sun-icon {
    display: inline;
}

.theme-toggle {
    opacity: 0.8;
}

.theme-toggle:hover {
    opacity: 1;
}

/* =========================================================
   7. MAIN CONTENT / ARCHIVE ITEMS
   ========================================================= */

.section-header {
    background: var(--section-bg);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    margin-bottom: 34px;
    border-left: 4px solid var(--section-color);
}

.section-header h1 {
    margin: 0 0 10px 0;
    color: var(--section-color);
}

.section-header p {
    margin: 0;
    opacity: 0.82;
}

.archive-title,
.search-title {
    color: var(--section-color);
    border-left: 3px solid var(--section-color);
    padding-left: 12px;
}

.post-title {
    border-bottom: 2px solid var(--section-border);
    padding-bottom: 10px;
    display: inline-block;
}

.content-item h2 {
    margin: 0 0 6px 0;
}

.content-item h2 a {
    text-decoration: none;
    color: var(--section-color);
,f    transition: var(--transition);
}

.content-item h2 a:hover {
    border-bottom-color: var(--section-color);
}

.content-item {
    margin-bottom: 10px;
    padding: 3px 0;
    border-radius: var(--radius-md);
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.content-item + .content-item {
    border-top: 1px solid rgba(0,0,0,0.20);
    padding-top: 18px;
}

.content-item:hover {
    background: var(--section-bg);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

.read-more {
    font-size: 14px;
    text-decoration: none;
    color: var(--section-color);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--section-color);
    border-bottom-color: var(--section-color);
}

.meta {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.post-meta-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    margin-bottom: 18px;
}

.post-meta-bar .meta {
    color: var(--text-muted);
    font-size: inherit;
    margin-bottom: 0;
}

.meta-separator {
    color: var(--text-muted);
}

.back-link {
    font-size: inherit;
    text-decoration: none;
    color: var(--section-color);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    opacity: 0.85;
}

.back-link:hover {
    border-bottom-color: var(--section-color);
}

.excerpt {
    margin-bottom: 10px;
}

.post-nav {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border-soft);
}

.post-nav-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 20px;
}

.post-nav-prev {
    text-align: left;
}

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

.post-nav-link {
    display: inline-block;
    text-decoration: none;
    color: var(--section-color);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.post-nav-link:hover {
    border-bottom-color: var(--section-color);
}

.archive-note {
    font-family: 'Poppins', sans-serif;
    color: var(--section-color);
    font-weight: 500;
}

/* =========================================================
   7.5 HOME PAGE
   ========================================================= */

.home-hero {
    text-align: center;
    margin-bottom: 56px;
}

.home-hero h1 {
    margin: 0 0 14px 0;
    font-size: 42px;
    letter-spacing: -0.8px;
}

.home-intro {
    max-width: 700px;
    margin: 0 auto;
    font-family: var(--font-ui);
    font-size: 18px;
    line-height: 1.6;
    opacity: 0.82;
}

.home-gateways {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 44px;
}

.home-gateway {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 24px 26px;
    border-radius: var(--radius-md);
    border-left: 4px solid transparent;
    transition: var(--transition);
}

.home-gateway h2 {
    margin: 0 0 10px 0;
    font-size: 22px;
    letter-spacing: -0.3px;
}

.home-gateway p {
    margin-bottom: 0;
}

.home-gateway:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.05);
}

.home-gateway-lessons {
    border-left-color: var(--lessons-color);
    background: var(--lessons-bg);
}

.home-gateway-stories {
    border-left-color: var(--stories-color);
    background: var(--stories-bg);
}

.home-grounding {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.home-grounding p {
    margin: 0;
    font-family: var(--font-ui);
    font-size: 16px;
    line-height: 1.7;
    opacity: 0.82;
}

/* =========================================================
   8. SIDEBAR / FORMS / TAGS
   ========================================================= */

.sidebar h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 16px;
}

.sidebar-section {
    margin-bottom: 30px;
}

.sidebar input[type="text"] {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    margin-bottom: 10px;
    border: 1px solid #bfb8ae;
    border-radius: var(--radius-sm);
    background: #fff;
    font: inherit;
}

.sidebar button {
    padding: 9px 14px;
    border: 1px solid #bfb8ae;
    border-radius: var(--radius-sm);
    background: #fff;
    cursor: pointer;
    transition: var(--transition);
}

.sidebar button:hover {
    border-color: var(--section-color);
    color: var(--section-color);
}

.sidebar a {
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.sidebar a:hover {
    border-bottom-color: currentColor;
}

.monthly-archive {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.monthly-archive li {
    margin-bottom: 8px;
}

.topic-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.topic-tag,
.topic-bubble {
    display: inline-block;
    padding: 5px 12px;
    font-size: 12px;
    font-family: var(--font-ui);
    background: var(--section-bg);
    color: var(--section-color);
    border: 1px solid var(--section-border);
    border-radius: var(--radius-pill);
    text-decoration: none;
    transition: var(--transition);
}

.topic-tag:hover,
.topic-bubble:hover {
    background: var(--section-bg);
    color: var(--section-color);
    border-color: var(--section-color);
    transform: translateY(-1px);
}

.post-topics {
    margin: 15px 0 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.post-topics::before {
    content: "Topics:";
    font-size: 13px;
    color: var(--text-muted);
    margin-right: 5px;
}

.clear-filter {
    font-size: 12px;
    margin-left: 10px;
    text-decoration: none;
    color: var(--text-muted);
}

.clear-filter:hover {
    color: var(--section-color);
}

/* =========================================================
   9. SECTION THEMES
   ========================================================= */

.section-lessons {
    --section-color: var(--lessons-color);
    --section-bg: var(--lessons-bg);
    --section-border: var(--lessons-border);
}

.section-stories {
    --section-color: var(--stories-color);
    --section-bg: var(--stories-bg);
    --section-border: var(--stories-border);
}

.section-home {
    --section-color: var(--home-color);
    --section-bg: var(--home-bg);
    --section-border: var(--home-border);
}

.section-lessons .site-main,
.section-stories .site-main,
.section-home .site-main {
    border-top: 3px solid var(--section-border);
}

.section-lessons .content-item,
.section-stories .content-item,
.section-home .content-item {
    padding-left: 0;
    border-left: none;
}

/* =========================================================
   10. PAGINATION
   ========================================================= */

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.pagination a {
    text-decoration: none;
    padding: 8px 16px;
    background: #f0ede7;
    border-radius: 4px;
    transition: var(--transition);
    color: #333;
}

.pagination a:hover {
    background: var(--section-color);
    color: #fff;
}

.pagination .page-numbers {
    font-size: 14px;
    color: var(--text-soft);
}

.pagination .prev,
.pagination .next {
    font-weight: 500;
}

/* =========================================================
   11. FOOTER
   ========================================================= */
.site-footer {
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    background: var(--surface-bg);
    font-size: 13px;
    color: #666;
    text-align: center;
    transition: background-color 0.3s ease;
}

/* =========================================================
   12. DARK MODE
   ========================================================= */

.dark-mode {
    background: #1a1a1a;
    color: #e0e0e0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.dark-mode body {
    background-color: #1a1a1a;
    color: #e0e0e0;
}

.dark-mode .section-header {
    background: rgba(255, 255, 255, 0.04);
}

.dark-mode .content-item:hover {
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.dark-mode .content-item + .content-item {
    border-top: 1px solid rgba(255,255,255,0.20);
}

.dark-mode .archive-note {
    color: #bbb;
}

.dark-mode .excerpt,
.dark-mode .page-body {
    color: #e0e0e0;
}

.dark-mode .site-header {
    background: rgba(45, 45, 45, 0.92);
    border-bottom-color: #444;
}

.dark-mode .site-footer {
    background: #2d2d2d;
}

.dark-mode .site-footer,
.dark-mode .pagination {
    border-top-color: #444;
}

.dark-mode .site-main {
    color: #e0e0e0;
}

.dark-mode h1,
.dark-mode h2,
.dark-mode h3 {
    color: #ffffff;
}

.dark-mode p,
.dark-mode li,
.dark-mode .content-item {
    color: #e0e0e0;
}

.dark-mode .meta,
.dark-mode .post-topics::before,
.dark-mode .pagination .page-numbers {
    color: #aaa;
}

.dark-mode .post-meta-bar .meta,
.dark-mode .meta-separator {
    color: #aaa;
}

.dark-mode .site-nav a {
    color: #ccc;
}

.dark-mode .site-nav a:hover,
.dark-mode .site-nav a.is-active {
    color: #fff;
}

.dark-mode .logo-light {
    display: none;
}

.dark-mode .logo-dark {
    display: block;
}

.dark-mode .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dark-mode .theme-toggle .sun-icon {
    display: none;
}

.dark-mode .theme-toggle .moon-icon {
    display: inline;
}

/* Pagination links */
.dark-mode .pagination a {
    background: #2d2d2d;
    color: #e0e0e0;
    border-color: #444;
}

/* Topic tags / bubbles */
.dark-mode .topic-tag,
.dark-mode .topic-bubble {
    background: rgba(255,255,255,0.06);
    color: #ddd;
    border-color: rgba(255,255,255,0.12);
}

/* Sidebar input */
.dark-mode .sidebar input[type="text"] {
    background: #2d2d2d;
    color: #e0e0e0;
    border-color: #444;
}

/* Placeholder text */
.dark-mode .sidebar input[type="text"]::placeholder {
    color: #aaa;
}

/* Sidebar button */
.dark-mode .sidebar button {
    background: #2d2d2d;
    color: #e0e0e0;
    border-color: #444;
}

.dark-mode a:not(.site-nav a) {
    color: #a8c7ff; /* safe readable light blue */
}

.dark-mode a:not(.site-nav a):hover {
    color: #c2dbff;
}

.dark-mode .home-gateway:hover {
    box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

/* =========================================================
   13. RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {
    .content-with-sidebar {
        flex-direction: column;
        gap: 35px;
    }

    .sidebar {
        width: 100%;
        flex-basis: auto;
    }

    .site-header .site-wrap {
        flex-wrap: wrap;
        gap: 15px;
    }

    .site-nav {
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 10px;
    }
}

@media (max-width: 640px) {
    .site-wrap {
        padding: 16px;
    }

    .site-main {
        padding-top: 22px;
    }

    .section-header {
        padding: 18px 18px;
    }

    .content-item:hover {
        margin: 0 0 50px 0;
        padding: 0;
        background: transparent;
        border-radius: 0;
    }
}

@media (max-width: 800px) {
    .home-gateways {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}