/* RSS Glue - Miniflux-inspired minimal theme */
/* Light mode only - no dark mode support */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors */
    --body-color: #333;
    --body-background: #fff;
    --title-color: #333;

    /* Links */
    --link-color: #3366cc;
    --link-hover-color: #264d99;
    --link-visited-color: #6633cc;

    /* Navigation */
    --nav-link-color: #333;
    --nav-background: #f8f8f8;
    --nav-border-color: #ddd;

    /* Tables */
    --table-border-color: #ddd;
    --table-header-background: #f5f5f5;
    --table-header-color: #333;
    --table-row-hover-background: #fafafa;
    --table-overdue-background: #fffde7;

    /* Forms */
    --input-background: #fff;
    --input-border-color: #ccc;
    --input-focus-border-color: #52a8ec;
    --input-focus-shadow: rgba(82, 168, 236, 0.6);
    --input-color: #333;

    /* Buttons */
    --button-background: #f5f5f5;
    --button-border-color: #ccc;
    --button-color: #333;
    --button-hover-background: #e8e8e8;
    --button-primary-background: #3366cc;
    --button-primary-color: #fff;
    --button-primary-hover-background: #264d99;

    /* Status */
    --status-enabled-color: #2e7d32;
    --status-disabled-color: #c62828;
    --error-color: #c62828;

    /* Content */
    --article-border-color: #eee;
    --blockquote-border-color: #ddd;
    --blockquote-background: #f9f9f9;
    --code-background: #f5f5f5;
    --code-border-color: #e0e0e0;
    --hr-color: #e0e0e0;

    /* Typography */
    --font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

    /* Spacing */
    --content-max-width: 900px;
    --article-max-width: 700px;
    --spacing-xs: 3px;
    --spacing-sm: 6px;
    --spacing-md: 12px;
    --spacing-lg: 18px;
    --spacing-xl: 24px;
}

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

body {
    margin: 0;
    padding: var(--spacing-md);
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.5;
    color: var(--body-color);
    background-color: var(--body-background);
    max-width: var(--content-max-width);
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--title-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

h1 { font-size: 1.75em; }
h2 { font-size: 1.5em; }
h3 { font-size: 1.25em; }
h4 { font-size: 1.1em; }

h2:first-child,
h3:first-child {
    margin-top: 0;
}

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

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

a:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

a:visited {
    color: var(--link-visited-color);
}

hr {
    border: none;
    border-top: 1px solid var(--hr-color);
    margin: var(--spacing-md) 0;
}

pre {
    font-family: var(--font-family-mono);
    font-size: 0.875em;
    background-color: var(--code-background);
    border: 1px solid var(--code-border-color);
    padding: var(--spacing-md);
    overflow-x: auto;
    border-radius: 4px;
}

code {
    font-family: var(--font-family-mono);
    font-size: 0.875em;
    background-color: var(--code-background);
    padding: 2px 4px;
    border-radius: 3px;
}

pre code {
    background: none;
    padding: 0;
}

/* ============================================
   Navigation
   ============================================ */
nav {
    background-color: var(--nav-background);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: calc(-1 * var(--spacing-md));
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--nav-border-color);
}

nav a {
    color: var(--nav-link-color);
    font-family: var(--font-family-mono);
    font-size: 0.875em;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    display: inline-block;
}

nav a:visited {
    color: var(--nav-link-color);
}

nav a:hover {
    color: var(--link-color);
    text-decoration: none;
}

/* ============================================
   Tables
   ============================================ */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-size: 0.9375em;
}

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

th {
    background-color: var(--table-header-background);
    color: var(--table-header-color);
    font-weight: 600;
}

th a {
    color: var(--table-header-color);
}

th a:visited {
    color: var(--table-header-color);
}

tr:hover td {
    background-color: var(--table-row-hover-background);
}

tr.overdue td {
    background-color: var(--table-overdue-background);
}

/* ============================================
   Forms
   ============================================ */
form {
    margin: var(--spacing-md) 0;
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="url"],
input[type="number"],
input[type="search"],
textarea,
select {
    font-family: var(--font-family);
    font-size: 1em;
    padding: var(--spacing-sm);
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    background-color: var(--input-background);
    color: var(--input-color);
    transition: border-color 0.15s, box-shadow 0.15s;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--input-focus-border-color);
    box-shadow: 0 0 0 3px var(--input-focus-shadow);
}

textarea {
    font-family: var(--font-family-mono);
    resize: vertical;
    min-height: 200px;
}

input[type="checkbox"] {
    margin-right: var(--spacing-xs);
}

small {
    color: var(--body-color);
    opacity: 0.7;
    font-size: 0.875em;
}

.form-group {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: row;
    align-items: center;
}

.form-group label {
    flex: 0 0 200px;
    margin-bottom: 0;
    align-self: center;
}

.form-group small {
    display: block;
    padding-left: 10px;
}

.form-stack {
    display: flex;
    flex-direction: column;
}

.form-inline {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-sm);
    align-items: center;
}

fieldset {
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

fieldset legend {
    font-weight: 600;
    padding: 0 var(--spacing-xs);
}

/* ============================================
   Buttons
   ============================================ */
button,
input[type="submit"],
.button {
    font-family: var(--font-family);
    font-size: 0.9375em;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--button-border-color);
    border-radius: 4px;
    background-color: var(--button-background);
    color: var(--button-color);
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    transition: background-color 0.15s, border-color 0.15s;
}

button:hover,
input[type="submit"]:hover,
.button:hover {
    background-color: var(--button-hover-background);
    text-decoration: none;
}

button:focus,
input[type="submit"]:focus,
.button:focus {
    outline: none;
    border-color: var(--input-focus-border-color);
    box-shadow: 0 0 0 3px var(--input-focus-shadow);
}

.button-primary {
    background-color: var(--button-primary-background);
    border-color: var(--button-primary-background);
    color: var(--button-primary-color);
}

.button-primary:hover {
    background-color: var(--button-primary-hover-background);
    border-color: var(--button-primary-hover-background);
}

/* ============================================
   Articles & Content
   ============================================ */
article {
    max-width: var(--article-max-width);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--article-border-color);
}

article:last-child {
    border-bottom: none;
}

article h4 {
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
}

article h4 a {
    font-weight: 600;
}

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

article audio {
    width: 100%;
    max-width: 400px;
}

article blockquote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: 4px solid var(--blockquote-border-color);
    background-color: var(--blockquote-background);
}

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

.post-meta {
    font-size: 0.875em;
    color: var(--body-color);
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Gallery (JS masonry)
   ============================================ */
.gallery-grid {
    position: relative;
    margin: var(--spacing-md) 0;
}

.gallery-item {
    position: absolute;
    width: 200px;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.gallery-item-meta {
    font-size: 0.8125em;
    margin-top: var(--spacing-xs);
    color: var(--body-color);
    opacity: 0.8;
}

/* ============================================
   Status Indicators
   ============================================ */
.status-enabled {
    color: var(--status-enabled-color);
    font-weight: 500;
}

.status-disabled {
    color: var(--status-disabled-color);
    font-weight: 500;
}

.error {
    color: var(--error-color);
}

.error-box {
    color: var(--error-color);
    font-family: var(--font-family-mono);
    white-space: pre-wrap;
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin: var(--spacing-lg) 0;
    font-size: 0.9375em;
}

.pagination a {
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* ============================================
   Feed Header
   ============================================ */
.feed-meta {
    font-size: 0.9375em;
    margin-bottom: var(--spacing-md);
}

.feed-actions {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-sm);
    align-items: center;
    margin: var(--spacing-md) 0;
}

.feed-actions form {
    margin: 0;
}

/* ============================================
   Messages
   ============================================ */
.message {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-radius: 4px;
    font-weight: 500;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 600px) {
    body {
        padding: var(--spacing-sm);
    }

    nav {
        margin: calc(-1 * var(--spacing-sm));
        margin-bottom: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    nav a {
        padding: var(--spacing-xs) var(--spacing-xs);
    }

    table {
        font-size: 0.875em;
    }

    th, td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .gallery-item {
        width: 150px;
    }
}