/* Sinorca Modern - A modernized port of the classic Sinorca theme */

/* ===== Custom Properties ===== */
:root {
    /* Sinorca color palette */
    --color-primary: #003399;
    --color-primary-light: #6487dc;
    --color-primary-lighter: #8caae6;
    --color-accent: #fda05b;
    --color-text: #1a1a1a;
    --color-text-muted: #555;
    --color-bg: #f0f0f0;
    --color-bg-content: #fff;
    --color-border: #999;
    --color-border-light: #ddd;

    /* Typography */
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
    --font-size-base: 1rem;
    --line-height: 1.6;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Layout */
    --sidebar-width: 16rem;
    --content-max-width: 70ch;
    --container-max-width: 1200px;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;
    margin-bottom: var(--space-md);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary);
}

h1 {
    font-size: 1.75rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1.125rem;
}

h5 {
    font-size: 1rem;
}

h6 {
    font-size: 0.875rem;
}

p {
    margin-top: 0;
    margin-bottom: var(--space-md);
}

a {
    color: #0066cc;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: color 0.15s ease;
}

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

/* ===== Container ===== */
#container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    background-color: var(--color-bg-content);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0.1);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Header ===== */
#header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-primary-lighter);
    color: var(--color-primary);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 4px solid var(--color-primary);
    transition: box-shadow 0.2s ease, padding 0.2s ease;
}

#header.sticky {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: var(--container-max-width);
    z-index: 1000;
    padding: var(--space-sm) var(--space-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

#header.sticky h1 {
    font-size: 1.5rem;
}

#header h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 400;
    transition: font-size 0.2s ease;
}

#header h1 a {
    color: var(--color-primary);
    text-decoration: none;
}

#header h1 a:hover {
    text-decoration: underline;
}

/* ===== Search ===== */
#search-container {
    position: relative;
}

#search-input {
    width: 220px;
    padding: var(--space-sm) var(--space-md);
    font-family: inherit;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background-color: #fff;
    transition: width 0.2s ease, border-color 0.2s ease;
}

#search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    width: 280px;
}

#search-input::placeholder {
    color: var(--color-text-muted);
}

#search-results {
    position: absolute;
    top: 100%;
    right: 0;
    width: 350px;
    max-height: 400px;
    overflow-y: auto;
    background-color: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-top: var(--space-xs);
    z-index: 1001;
}

#search-results.hidden {
    display: none;
}

.search-result-item {
    display: block;
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border-light);
    transition: background-color 0.1s ease;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: #f5f5f5;
    text-decoration: none;
}

.search-result-title {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.9375rem;
    margin-bottom: 2px;
}

.search-result-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.search-no-results {
    padding: var(--space-md);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ===== Main Layout ===== */
#main-wrapper {
    display: flex;
    flex: 1;
    min-height: 0;
}

/* ===== Sidebar ===== */
#sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background-color: var(--color-bg-content);
    border-right: 1px solid var(--color-border);
    padding: var(--space-lg);
    overflow-y: auto;
}

#sidebar ul {
    list-style: none;
    margin: 0 0 var(--space-lg) 0;
    padding: 0;
}

#sidebar li {
    margin: 0;
    padding: 0;
}

#sidebar li a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: #0066cc;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

#sidebar li a:hover {
    background-color: var(--color-primary-light);
    color: #fff;
    text-decoration: none;
}

#sidebar .nav-header {
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    margin: var(--space-lg) 0 var(--space-sm) 0;
    padding: 0 var(--space-md);
}

#sidebar .nav-header:first-child {
    margin-top: 0;
}

/* ===== Accordion Navigation ===== */
.accordion-nav {
    list-style: none;
    margin: 0;
    padding: 0;
}

.accordion-item {
    margin-bottom: 2px;
}

.accordion-toggle {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--space-xs) var(--space-md);
    border-radius: 4px;
    transition: background-color 0.15s ease;
}

.accordion-toggle:hover {
    background-color: #f0f0f0;
}

.accordion-expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
}

.accordion-title-link {
    flex: 1;
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: #0066cc;
    text-decoration: none;
}

.accordion-title-link:hover {
    text-decoration: underline;
}

.accordion-icon {
    display: inline-block;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 6px solid #0066cc;
    transition: transform 0.2s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(90deg);
}

.accordion-content {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0 0 var(--space-sm) 0;
}

.accordion-item.active .accordion-content {
    display: block;
}

.accordion-content li {
    margin: 0;
    padding: 0;
}

.accordion-content a {
    display: block;
    padding: var(--space-xs) var(--space-md) var(--space-xs) calc(var(--space-md) + 14px);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.accordion-content a:hover {
    background-color: #f0f0f0;
    color: var(--color-text);
}

.accordion-content a.active {
    background-color: var(--color-primary-light);
    color: #fff;
}

/* ===== Content ===== */
#content {
    flex: 1;
    padding: var(--space-xl);
    background-color: var(--color-bg-content);
    overflow-y: auto;
}


#content h1 {
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border-light);
    margin-bottom: var(--space-lg);
}

#content h1:first-child {
    margin-top: 0;
}

#content h2 {
    margin-top: var(--space-xl);
}

#content h3,
#content h4 {
    margin-top: var(--space-lg);
}

/* ===== Lists ===== */
#content ul,
#content ol {
    margin: 0 0 var(--space-md) 0;
    padding-left: var(--space-xl);
}

#content li {
    margin-bottom: var(--space-xs);
}

#content li>ul,
#content li>ol {
    margin-top: var(--space-xs);
    margin-bottom: 0;
}

/* ===== Code ===== */
code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background-color: #f5f5f5;
    padding: 0.125em 0.375em;
    border-radius: 3px;
    color: #d14;
}

pre {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
    background-color: #f8f8f8;
    border: 1px solid var(--color-border-light);
    border-radius: 4px;
    padding: var(--space-md);
    overflow-x: auto;
    margin: 0 0 var(--space-md) 0;
}

pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    color: inherit;
}

/* ===== Blockquote ===== */
blockquote {
    margin: 0 0 var(--space-md) 0;
    padding: var(--space-sm) var(--space-md);
    border-left: 4px solid var(--color-primary-light);
    background-color: #f9f9f9;
    color: var(--color-text-muted);
}

blockquote p:last-child {
    margin-bottom: 0;
}

/* ===== Tables ===== */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-md);
    font-size: 0.9375rem;
}

th,
td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

th {
    font-weight: 600;
    background-color: #f5f5f5;
    border-bottom: 2px solid var(--color-border-light);
}

tr:hover {
    background-color: #fafafa;
}

/* ===== Horizontal Rule ===== */
hr {
    border: none;
    border-top: 1px solid var(--color-border-light);
    margin: var(--space-xl) 0;
}

/* ===== Definition Lists ===== */
dl {
    margin: 0 0 var(--space-md) 0;
}

dt {
    font-weight: 600;
    margin-top: var(--space-md);
}

dt:first-child {
    margin-top: 0;
}

dd {
    margin: var(--space-xs) 0 0 var(--space-lg);
}

/* ===== Footer ===== */
#footer {
    background-color: var(--color-primary-light);
    color: #fff;
    padding: var(--space-md) var(--space-xl);
    font-size: 0.875rem;
}

#footer a {
    color: #fff;
}

#footer a:hover {
    color: var(--color-accent);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
    }

    #main-wrapper {
        flex-direction: column;
    }

    #sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-md);
    }

    #sidebar ul {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-xs);
        margin-bottom: var(--space-sm);
    }

    #sidebar li a {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.875rem;
    }

    #sidebar .nav-header {
        width: 100%;
        margin: var(--space-md) 0 var(--space-xs) 0;
        padding: 0;
    }

    #content {
        padding: var(--space-md);
    }

    #header {
        padding: var(--space-md);
    }

    #header h1 {
        font-size: 1.5rem;
    }
}

/* ===== Breadcrumbs ===== */
#breadcrumbs {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: var(--space-sm);
}

#breadcrumbs:empty {
    display: none;
}

#breadcrumbs a {
    color: #0066cc;
    text-decoration: none;
}

#breadcrumbs a:hover {
    text-decoration: underline;
}

#breadcrumbs .separator {
    margin: 0 0.5em;
    color: var(--color-border);
}

#breadcrumbs .current {
    color: var(--color-text);
}

/* ===== Page Navigation ===== */
.page-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
}

.page-nav:empty {
    display: none;
}

#page-nav-top {
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: var(--space-lg);
}

#page-nav-bottom {
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
}

.page-nav a {
    text-decoration: none;
    color: #0066cc;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    transition: background-color 0.15s ease;
}

.page-nav a:hover {
    background-color: #f0f0f0;
    text-decoration: none;
}

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

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

.page-nav .disabled {
    visibility: hidden;
}

/* ===== Page Content ===== */
#page-content>* {
    max-width: var(--content-max-width);
}

/* ===== Ad Space ===== */
#ad-space {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

#rotating-ad {
    transition: opacity 0.3s ease;
}

#rotating-ad.fade-out {
    opacity: 0;
}

.ad-link {
    display: block;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    padding: var(--space-md);
    text-decoration: none;
    color: var(--color-text);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ad-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-decoration: none;
}

.ad-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.ad-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #28a745;
    margin-bottom: var(--space-xs);
}

.ad-specs {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.4;
    margin-bottom: var(--space-sm);
}

.ad-cta {
    display: inline-block;
    background-color: var(--color-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.ad-link:hover .ad-cta {
    background-color: var(--color-primary-light);
}

.view-all-deals {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    text-align: center;
    color: #0066cc;
    text-decoration: none;
}

.view-all-deals:hover {
    text-decoration: underline;
}

/* ===== Deals Page Grid ===== */
.deals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.deals-grid .ad-link {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.deals-grid .ad-specs {
    flex-grow: 1;
}

.deals-grid .ad-cta {
    align-self: flex-start;
}

@media (max-width: 600px) {
    .deals-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Print ===== */
@media print {
    #sidebar {
        display: none;
    }

    #header {
        background: none;
        color: var(--color-text);
        border-bottom: 2px solid var(--color-text);
        padding: 0 0 var(--space-sm) 0;
    }

    #header h1 {
        color: var(--color-text);
    }

    #content {
        padding: var(--space-md) 0;
    }
}