/* Variables */
:root {
    font-size: 16px;
    --bg-color: #f5f5f5;
    --text-color: #333;
    --card-bg: #ffffff;
    --border-color: #e1e8ed;
    --accent-color: #1d9bf0;
    --hover-color: rgba(29, 155, 240, 0.1);
    --header-bg: #fff;
    --header-text: #0066ff;
    --secondary-text: #666;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --link-color: #0066ff;
    --size-multiplier: 1;
    --content-width: 100%;
    --max-width: 1200px;
}

/* Dark Mode Variables */
body.dark-mode {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2a2a2a;
    --border-color: #404040;
    --accent-color: #1d9bf0;
    --hover-color: rgba(29, 155, 240, 0.2);
    --header-bg: #1e1e1e;
    --header-text: #66b3ff;
    --secondary-text: #cccccc;
    --card-shadow: rgba(0, 0, 0, 0.3);
    --link-color: #66b3ff;
}

/* Global Styles */
* {
    transition: all 0.2s ease;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    width: 100vw;
}

/* Header */
header {
    height: 56px;
    padding: 0 16px;
    background: var(--card-bg);
    box-shadow: 0 2px 8px var(--card-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    box-sizing: border-box;
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-left img {
    height: 40px;
    width: auto;
}

.header-left h1 {
    font-size: 24px;
    margin: 0;
}

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

/* Main Content */
main {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    box-sizing: border-box;
}

/* Feed Container */
#feed-container {
    width: var(--content-width);
    max-width: var(--max-width);
    margin: 0 auto;
    margin-bottom: 32px;
    padding: 20px;
    box-sizing: border-box;
}

/* Content Card */
.content-card {
    width: 100%;
    max-width: var(--content-width);
    box-sizing: border-box;
    background: var(--card-bg);
    border-radius: 12px;
    padding: calc(16px * var(--size-multiplier));
    margin: 32px auto;
    box-shadow: 0 2px 8px var(--card-shadow);
    transition: all 0.3s ease, z-index 0s;
    cursor: pointer;
    position: relative;
    z-index: 1;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.content-card:hover {
    z-index: 100;
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.content-card h2 {
    font-size: calc(24px * var(--size-multiplier));
}

.content-card h3 {
    font-size: calc(20px * var(--size-multiplier));
}

.content-card p {
    font-size: calc(16px * var(--size-multiplier));
}

/* Ensure action buttons appear on hover */
.content-card:hover .post-actions {
    opacity: 1;
    transform: translateY(0);
}

/* Avatar */
.avatar {
    width: calc(48px * var(--size-multiplier));
    height: calc(48px * var(--size-multiplier));
    border-radius: 50%;
    object-fit: cover;
    border: calc(2px * var(--size-multiplier)) solid var(--accent-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.avatar-container:hover .avatar {
    transform: scale(1.5);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.placeholder-avatar {
    background: var(--placeholder-bg);
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

/* Text Elements */
h1 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

h2 {
    margin: 0;
    color: var(--accent-color);
    font-size: 1.2rem;
}

.description,
.handle {
    margin: 4px 0 0 0;
    color: var(--secondary-text);
    font-size: calc(14px * var(--size-multiplier));
}

.post-content {
    font-size: calc(1.1em * var(--size-multiplier));
    line-height: 1.5;
    margin: calc(16px * var(--size-multiplier)) 0;
    color: var(--text-color);
}

.header-text h2,
.header-text h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-color);
}

.error {
    color: #dc3545;
    padding: 1rem;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #dc3545;
}

/* Media */
.media-container {
    margin-top: 12px;
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.post-media {
    width: 100%;
    border-radius: 8px;
    object-fit: cover;
}

/* Buttons */
.back-button {
    font-size: calc(16px * var(--size-multiplier));
    padding: calc(8px * var(--size-multiplier)) calc(16px * var(--size-multiplier));
    margin-bottom: calc(16px * var(--size-multiplier));
    border: calc(1px * var(--size-multiplier)) solid var(--border-color);
    border-radius: calc(4px * var(--size-multiplier));
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.back-button:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.size-adjuster,
.theme-controls {
    display: flex;
    gap: calc(8px * var(--size-multiplier));
    align-items: center;
}

.size-btn,
.theme-btn {
    width: calc(44px * var(--size-multiplier));
    height: calc(44px * var(--size-multiplier));
    border-radius: 50%;
    border: calc(2px * var(--size-multiplier)) solid var(--accent-color);
    background: var(--card-bg);
    color: var(--accent-color);
    font-size: calc(16px * var(--size-multiplier));
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.size-btn:hover,
.theme-btn:hover {
    background: var(--accent-color);
    color: var(--card-bg);
}

.theme-btn::before {
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    content: "\f185";
}

body.dark-mode .theme-btn::before {
    content: "\f186";
}

.theme-btn i {
    display: none;
}

.theme-btn:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Post Actions */
.post-actions {
    display: flex;
    justify-content: space-between;
    margin-top: calc(16px * var(--size-multiplier));
    padding-top: calc(16px * var(--size-multiplier));
    border-top: 1px solid var(--border-color);
    min-height: calc(24px * var(--size-multiplier));
    opacity: 0;
    transition: opacity 0.2s ease;
    position: relative;
    z-index: 2;
    margin-right: 10px;
    margin-left: 10px;
}

.action-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 24px;
}

.action-btn:hover {
    transform: scale(1.1);
}

.action-btn[data-tooltip="Archive"] {
    color: var(--accent-color);
}

.action-btn[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 1000;
}

.action-btn:hover[data-tooltip]::after {
    opacity: 1;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    color: var(--text-color);
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    animation: slideUp 0.3s ease-out;
}

.toast.error {
    background: #ff4444;
    color: white;
}

.toast.loading {
    background: var(--accent-color);
    color: white;
    display: flex;
    align-items: center;
    gap: 8px;
}

@keyframes slideUp {
    from {
        transform: translate(-50%, 100%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

/* Link Preview */
.link-preview {
    display: flex;
    flex-direction: column;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    text-decoration: none;
    color: inherit;
}

.link-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.preview-title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
}

.preview-description {
    margin: 4px 0;
    font-size: 0.9em;
    color: var(--secondary-text);
}

.preview-domain {
    margin-top: 4px;
    font-size: 0.8em;
    color: var(--link-color);
}

.link-preview-placeholder {
    padding: 16px;
    text-align: center;
    color: #666;
}

/* Inline Links and Mentions */
.inline-link,
.mention {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
}

.inline-link:hover,
.mention:hover {
    text-decoration: underline;
}

.inline-link {
    position: relative;
    display: inline-block;
}

/* Thread Container */
.thread-container {
    display: flex;
    flex-direction: column;
    gap: 32px; /* Corrected margin between posts */
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 20px;
}

.thread-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    z-index: 0;
}

.post-item {
    position: relative;
    z-index: 1;
    background: var(--card-bg);
    /* Removed margin-bottom to use gap in parent */
}

.post-item.main-post {
    border-left: 4px solid var(--accent-color);
    margin-left: 0;
}

.post-item:not(.main-post) {
    margin-left: 10px;
    border-left: 1px solid var(--border-color);
}

/* Profile View */
.profile-view {
    padding: 24px;
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
}

.profile-header {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-stats {
    display: flex;
    gap: 20px;
    color: #666;
}

/* Archive Status */
.archive-status {
    position: absolute;
    top: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 8px 12px;
    z-index: 1000;
    white-space: nowrap;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: auto;
}

.archive-status a {
    color: var(--link-color);
    text-decoration: none;
    pointer-events: auto;
}

.archive-status a:hover {
    text-decoration: underline;
}

/* Archive Options */
.archive-options {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.archive-options button {
    background: none;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-color);
    border-radius: 4px;
    transition: background 0.2s ease;
}

.archive-options button:hover {
    background: var(--hover-color);
}

/* Miscellaneous */
.feed-item {
    margin: 0 auto;
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.back-button:hover {
    background: var(--accent-color);
    color: white;
}

.avatar-container {
    position: relative;
    z-index: 2;
    padding: 10px;
}

.avatar-container::after {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    pointer-events: none;
}

.embed-content a {
    text-decoration: none;
}

.embed-content a:hover {
    background-color: black;
    color: white;
    text-decoration: underline;
}

body.dark-mode .link-preview:hover {
    border-color: var(--accent-color);
    background: #000000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

body.dark-mode .size-btn {
    background: var(--card-bg);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

body.dark-mode .size-btn:hover {
    background: var(--accent-color);
    color: var(--card-bg);
}

.quote-post {
    margin-top: 12px;
    border-left: 4px solid var(--border-color);
    padding-left: 12px;
    background: var(--card-bg);
    border-radius: 4px;
}

.quoted-content {
    padding: 8px;
    font-size: 0.9em;
    color: var(--text-color);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.link-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}