/* 
 * DroneHub - Refined Minimalism Style (v8.0)
 * Focus: Sophisticated thin lines, generous whitespace, bold typography.
 * Polish: Subtle shadows, micro-animations, premium feel.
 */

* {
    box-sizing: border-box;
}

:root {
    --primary-color: #000;
    --secondary-color: #666;
    --bg-light: #fff;
    --bg-gray: #f7f7f7;
    --border-color: #e8e8e8;
    --border-dark: #ddd;
    --text-main: #1a1a1a;
    --text-muted: #999;
    --font-english: "futura-pt", sans-serif;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
    --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    font-size: 14px;
    margin: 0;
    padding: 0;
    background-color: #fafafa;
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== HEADER ===== */
header {
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 1.2rem 0;
    margin-bottom: 3.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background-color: rgba(255, 255, 255, 0.92);
}

header nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

header h1 {
    margin: 0;
    font-size: 3rem;
    font-family: var(--font-english);
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: none;
    line-height: 1;
    display: flex;
    align-items: center;
}

header h1 a {
    color: #000;
    text-decoration: none;
    transition: opacity var(--transition-base);
    letter-spacing: 0.05em;
    font-size: 2rem;
}

header h1 a:hover {
    opacity: 0.6;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2.5rem;
}

nav a {
    color: var(--secondary-color);
    text-decoration: none;
    font-family: var(--font-english);
    font-weight: 600;
    letter-spacing: 0.12em;
    transition: color var(--transition-base);
    position: relative;
}

nav a:hover {
    color: #000;
}

nav ul a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #000;
    transition: width var(--transition-base);
}

nav ul a:hover::after {
    width: 100%;
}

/* ===== MAIN LAYOUT ===== */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 4rem 0;
    margin-top: 5rem;
    color: var(--text-muted);
    font-size: 11px;
    border-top: 1px solid var(--border-color);
    background: #fff;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 15px;
    font-family: var(--font-english);
    font-weight: 600;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: color var(--transition-base);
}

footer a:hover {
    color: #000;
}

/* ===== RULES PAGE ===== */
.rules-card {
    padding: 3rem;
    line-height: 1.9;
}

.rules-section-title {
    font-size: 1.05rem;
    border-left: 3px solid #000;
    padding-left: 12px;
    margin: 2.5rem 0 1rem;
}

/* ===== PAGE HEADER ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #000;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
}

.page-header__title {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

.page-header__subtitle {
    font-size: 10px;
    font-family: var(--font-english);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-top: 0.6rem;
    display: block;
}

/* ===== ABOUT BOX ===== */
.about-box {
    background-color: #fff;
    padding: 2rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-card);
}

.about-box p {
    margin: 0;
    font-size: 14px;
    color: #555;
    line-height: 1.9;
}

.about-box--profile {
    margin-bottom: 5rem;
}

/* ===== SEARCH ===== */
.search-container {
    padding: 2.5rem;
    margin-bottom: 3.5rem;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: var(--shadow-card);
}

.search-form {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    align-items: flex-end; /* Align inputs and button to bottom */
}

.search-form .form-group {
    margin-bottom: 0;
}

.search-form .flex-2 {
    flex: 2;
    min-width: 200px;
}

.search-form .flex-1 {
    flex: 1;
    min-width: 150px;
}

.search-form .filter-group {
    flex: 0 0 auto;
    padding-bottom: 12px; /* Adjust to match input bottom alignment */
}

/* Custom Checkbox refinements for horizontal layout */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    user-select: none;
    margin: 0 !important;
    white-space: nowrap;
}

.btn--search-submit {
    flex: 0 0 auto;
    height: 46px;
    padding: 0 2.5rem;
    background-color: #000;
    color: #fff;
    cursor: pointer;
}

.btn--search-submit:hover {
    background-color: #333;
}

/* ===== FORMS ===== */
.form-container {
    max-width: 800px;
    margin-bottom: 5rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 700;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-family: var(--font-english);
    color: var(--secondary-color);
}

.input-hero {
    font-size: 1.4rem;
    font-weight: 700;
    border: none !important;
    border-bottom: 2px solid #000 !important;
    padding: 0.5rem 0 !important;
    background: transparent !important;
}

.input-hero:focus {
    border-bottom-color: #444 !important;
}

.input-text,
.input-select,
.input-textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text-main);
    background: #fff;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    outline: none;
}

.input-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
    padding-right: 40px;
}


.input-text:focus,
.input-select:focus,
.input-textarea:focus {
    border-color: #000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.input-text::placeholder,
.input-textarea::placeholder {
    color: #ccc;
    font-size: 13px;
}

.input-textarea {
    height: 280px;
    line-height: 1.9;
    resize: vertical;
}

.input-file-wrapper {
    padding: 2rem;
    background: #fff;
    border: 1px dashed var(--border-color);
    border-radius: 2px;
    transition: border-color var(--transition-base);
}

.input-file-wrapper:hover {
    border-color: #999;
}

/* ===== CARDS ===== */
.card {
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    margin-bottom: 1.2rem;
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-1px);
}

.card h2 {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.4;
    font-weight: 700;
}

.card h2 a {
    color: #000;
    text-decoration: none;
    transition: color var(--transition-base);
}

.card h2 a:hover {
    color: #444;
}

.card--list-item {
    padding: 2rem 0;
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    box-shadow: none;
}

.card--list-item:hover {
    box-shadow: none;
    transform: none;
}

.card-meta {
    font-size: 10px;
    font-family: var(--font-english);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-thumbnail img {
    border-radius: 2px;
    border: 1px solid var(--border-color);
}

.card-thumbnail--fixed {
    flex: 0 0 160px;
}

.card-thumbnail--fixed img {
    width: 160px;
    height: 160px;
    object-fit: cover;
}

.post-detail-img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

/* ===== POST DETAIL & COMMENTS ===== */
.post-detail {
    padding-bottom: 2rem;
}

.card--detail {
    padding: 4rem;
    margin-bottom: 2rem;
}

.card--detail:hover {
    transform: none;
}

.post-content {
    font-size: 1.05rem;
    line-height: 2;
    color: #333;
}

@media (max-width: 600px) {
    .card--detail {
        padding: 2rem 1.5rem;
    }
}

/* Comment Section */
.comment-section {
    margin-top: 0;
}

.comment-item {
    padding: 2rem 2.5rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-top: -1px;
    transition: background-color var(--transition-base);
    position: relative;
}

.comment-item:hover {
    background-color: rgba(0, 0, 0, 0.01);
}

.comment-item:has(+ .comment-item--reply) {
    border-bottom: none;
    padding-bottom: 1rem;
}

.comment-item.comment-item--reply {
    margin-left: 4rem;
    border-left: 3px solid var(--border-color);
    padding-left: 1.5rem;
    padding-top: 1rem;
    border-top: none;
    margin-top: 0;
    background-color: transparent;
}

.comment-item--reply + .comment-item--reply {
    border-top: 1px dashed var(--border-color);
    margin-top: 0;
    padding-top: 2rem;
}



.comment-item--stripe {
    background-color: rgba(0, 0, 0, 0.012);
}

.comment-item__meta {
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.comment-item__meta .u-flex {
    align-items: center;
    gap: 0.8rem;
}

.badge--author {
    background-color: #000;
    color: #fff;
    padding: 2px 8px;
    font-size: 8px;
    margin-left: 8px;
    letter-spacing: 0.1em;
    border-radius: 1px;
}

.comment-item__content {
    font-size: 14px;
    line-height: 1.9;
    color: #444;
    padding-left: 40px;
}

.comment-item__content b {
    color: #000;
    font-weight: 700;
    text-decoration: none;
}

.reply-target-info {
    font-size: 11px;
    font-family: var(--font-english);
    font-weight: 600;
    background: var(--bg-gray);
    padding: 10px 15px;
    margin-bottom: 2rem;
    display: none;
    border-left: 3px solid #000;
}

.comment-form-wrapper {
    margin-top: 3rem;
    padding: 3rem 0 0;
    border-top: 2px solid #000;
}

.comment-form-title {
    font-family: var(--font-english);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 12px;
    margin-bottom: 2rem;
    color: var(--text-main);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.85rem 2.2rem;
    border-radius: 0;
    font-family: var(--font-english);
    font-weight: 700;
    text-decoration: none;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    border: 1px solid #000;
    background-color: #000;
    color: #fff;
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn:hover {
    background-color: #333;
    border-color: #333;
    color: #fff;
}

.btn--sm {
    padding: 0.55rem 1.2rem;
    font-size: 10px;
}

.btn--danger {
    background-color: #fff;
    color: #bbb;
    border-color: #e0e0e0;
}

.btn--danger:hover {
    color: #c00;
    border-color: #c00;
    background-color: #fff;
}

.btn--ghost {
    background: transparent;
    color: #999;
    border: 1px solid #e0e0e0;
    font-size: 10px;
}

.btn--ghost:hover {
    color: #000;
    border-color: #999;
    background: transparent;
}

.btn--full {
    width: 100%;
    text-align: center;
}

.btn--outline {
    background: transparent;
    color: #000;
}

.btn--outline:hover {
    background: #000;
    color: #fff;
}

/* ===== LINKS ===== */
.link-action {
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 700;
    color: #000;
    text-decoration: none;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: border-color var(--transition-base);
}

.link-action:hover {
    border-bottom-color: #000;
}

.link-danger {
    color: #c00 !important;
}

.link-danger:hover {
    border-bottom-color: #c00 !important;
}

/* ===== BADGES ===== */
.badge {
    font-family: var(--font-english);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 3px 8px;
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-muted);
}

.badge--muted {
    background-color: var(--bg-gray);
    color: #aaa;
    border-color: var(--border-color);
}

.badge--large {
    padding: 8px 16px;
    font-size: 10px;
}

/* ===== LAYOUT ===== */
.content-wrapper {
    display: flex;
    gap: 4rem;
}

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

.sidebar {
    width: 280px;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .content-wrapper {
        flex-direction: column;
        gap: 3rem;
    }

    .sidebar {
        width: 100%;
    }

    header nav {
        padding: 0 1.5rem;
    }

    main {
        padding: 0 1.5rem;
    }

    nav ul {
        gap: 1.5rem;
    }
}

/* ===== WIDGETS ===== */
.widget {
    margin-bottom: 4rem;
}

.widget h3 {
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: #000;
    border-bottom: 2px solid #000;
    padding-bottom: 0.8rem;
    margin-bottom: 1.5rem;
}

.widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.widget li {
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.widget li:last-child {
    border-bottom: none;
}

.widget li a {
    color: #333;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    line-height: 1.5;
    transition: color var(--transition-base);
}

.widget li a:hover {
    color: #000;
}

.widget-meta {
    font-family: var(--font-english);
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 4px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ===== UTILITY CLASSES ===== */
.u-mt-10 {
    margin-top: 10px;
}

.u-mt-20 {
    margin-top: 20px;
}

.u-mb-40 {
    margin-bottom: 40px;
}

.u-mb-section {
    margin-bottom: 5rem;
}

.u-flex {
    display: flex;
}

.u-flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.u-flex-baseline {
    display: flex;
    gap: 2rem;
    align-items: baseline;
}

.u-flex-center {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.u-gap-20 {
    gap: 2rem;
}

.u-gap-10 {
    gap: 1rem;
}

.u-text-center {
    text-align: center;
}

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

.u-w-800 {
    max-width: 800px;
}

.u-w-200 {
    flex: 0 0 200px;
}

.u-p-page-large {
    padding: 4rem 0;
}

.u-fs-16 {
    font-size: 1rem;
}

.u-fs-14 {
    font-size: 14px;
}

.u-fs-13 {
    font-size: 13px;
}

.u-lh-17 {
    line-height: 1.7;
}

.u-c-secondary {
    color: var(--secondary-color);
}

.u-mt-40 {
    margin-top: 40px;
}

/* ===== STATUS MESSAGES ===== */
.status-msg {
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
    font-size: 13px;
    border-radius: 2px;
}

.status-msg--error {
    color: #8b2525;
    background-color: #fef2f2;
    border: 1px solid #f0d0d0;
}

.status-msg--success {
    color: #1a6b3a;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
}

/* ===== AVATARS ===== */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--bg-gray);
    display: inline-block;
    vertical-align: middle;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px var(--border-color);
    flex-shrink: 0;
}

.avatar--sm {
    width: 28px;
    height: 28px;
}

.avatar--lg {
    width: 72px;
    height: 72px;
    border-width: 3px;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-muted);
    margin-bottom: 2rem;
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.breadcrumbs a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

.breadcrumbs a:hover {
    color: #000;
}

.breadcrumbs span {
    color: #d0d0d0;
    font-weight: 400;
}

.breadcrumbs__current {
    color: var(--text-main);
    font-weight: 400;
}

/* ===== TIME AGO ===== */
.u-time-ago {
    font-size: 10px;
    color: var(--text-muted);
    font-family: var(--font-english);
    letter-spacing: 0.05em;
}

/* ===== AUTH FORMS (Login/Register) ===== */
.auth-card {
    margin: 0 auto;
    max-width: 460px;
    padding: 3rem;
}

.auth-card:hover {
    transform: none;
}

.auth-card__heading {
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: #000;
    margin-bottom: 2.5rem;
    padding-bottom: 0.8rem;
    border-bottom: none;
}

/* ===== PROFILE CARD ===== */
.profile-card {
    padding: 3rem;
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.profile-card:hover {
    transform: none;
}

.profile-card__name {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 0.3rem 0;
}

.profile-card__email {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0 0 1.5rem 0;
}

.profile-card__body {
    flex: 1;
}

/* ===== POST ACTION BAR ===== */
.post-actions {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .page-header__title {
        font-size: 1.3rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .search-form {
        flex-direction: column;
        gap: 1rem;
    }

    .profile-card {
        flex-direction: column;
        text-align: center;
    }

    .post-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .comment-item__content {
        padding-left: 0;
    }
}

/* ===== SELECTION ===== */
::selection {
    background-color: #000;
    color: #fff;
}

/* ===== SCROLLBAR (webkit) ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #fafafa;
}

::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #bbb;
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.8rem;
    font-family: var(--font-english);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: var(--secondary-color);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.pagination__link:hover {
    color: #000;
    border-color: #000;
}

.pagination__link--active {
    background-color: #000;
    color: #fff;
    border-color: #000;
}

/* Notice Bar */
.notice-bar {
    background: #fff;
    border: 1px solid #eee;
    padding: 1.2rem 1.5rem;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.notice-bar__label {
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    background: #ff4444;
    padding: 2px 8px;
    letter-spacing: 0.1em;
    border-radius: 2px;
}

.notice-bar__content {
    font-size: 13px;
    font-weight: 500;
    flex: 1;
    color: #333;
}

.notice-bar__content a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid #eee;
    transition: border-color 0.3s;
}

.notice-bar__content a:hover {
    border-color: #000;
}

.notice-bar__date {
    font-family: var(--font-english);
    font-size: 11px;
    color: #999;
}

/* Author Box */
.author-box {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid #eee;
    display: flex;
    gap: 2.5rem;
}

.author-box__avatar {
    flex-shrink: 0;
}

.author-box__content {
    flex: 1;
}

.author-box__name {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 1rem;
}

.author-box__bio {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.author-box__links {
    display: flex;
    gap: 1.5rem;
}

.author-box__link {
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 700;
    color: #000;
    text-decoration: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
}

.author-box__link:hover {
    text-decoration: underline;
}

/* Notifications UI */
.nav-action-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.notif-wrapper {
    position: relative;
    cursor: pointer;
}

.notif-bell {
    font-size: 18px;
    color: #666;
    transition: color 0.3s;
}

.notif-bell:hover {
    color: #000;
}

.notif-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4444;
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    min-width: 15px;
    height: 15px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
}

.notif-dropdown {
    position: absolute;
    top: 150%;
    right: 0;
    width: 320px;
    background: #fff;
    border: 1px solid #eee;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
    border-radius: 2px;
}

.notif-dropdown.is-active {
    display: block;
}

.notif-header {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid #eee;
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.notif-list {
    max-height: 400px;
    overflow-y: auto;
}

.notif-item {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid #f9f9f9;
    font-size: 12px;
    line-height: 1.5;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: background 0.3s;
}

.notif-item:hover {
    background: #fcfcfc;
}

.notif-item--unread {
    background: #fffafa;
}

.notif-item__text b {
    font-weight: 700;
}

.notif-item__time {
    font-size: 10px;
    color: #999;
    margin-top: 4px;
    display: block;
}

/* SVG Icon System */
.icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    fill: currentColor;
    display: inline-block;
}

.icon--sm {
    width: 14px;
    height: 14px;
}

.icon--xs {
    width: 11px;
    height: 11px;
}

/* Adjustments for icon placement */
.notif-bell {
    display: flex;
    align-items: center;
    color: #666;
}

.btn .icon {
    margin-right: 8px;
    margin-top: -2px;
}
/* Solved Badge */
.badge--solved {
    background: #e6f7ef;
    color: #27ae60;
    font-weight: 700;
    border: 1px solid #c2e9d7;
}

.icon--check {
    width: 14px;
    height: 14px;
    margin-right: 4px;
    vertical-align: middle;
}

/* Best Answer */
.best-answer-highlight {
    background: #fffcf0;
    border: 2px solid #f1c40f;
    border-radius: 4px;
    margin: 2rem 0;
    padding: 2rem;
    position: relative;
}

.best-answer-label {
    position: absolute;
    top: -12px;
    left: 20px;
    background: #f1c40f;
    color: #000;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.05em;
}

.post-solved-banner {
    background: #f8f9fa;
    border-left: 4px solid #27ae60;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
}

/* Tag Labels */
.tag-label {
    display: inline-block;
    padding: 2px 8px;
    background: #f0f4f8;
    color: #54708b;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    font-family: var(--font-english);
    letter-spacing: 0.02em;
    transition: all 0.2s;
}

.tag-label:hover {
    background: #e1e8ef;
    color: #2c3e50;
}

/* Ranking Widget */
.widget-ranking-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f5f5f5;
}

.widget-ranking-item:last-child {
    border-bottom: none;
}

.ranking-number {
    font-family: var(--font-english);
    font-weight: 800;
    font-size: 1.2rem;
    color: #ddd;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.widget-ranking-item:nth-child(1) .ranking-number { color: #f1c40f; }
.widget-ranking-item:nth-child(2) .ranking-number { color: #bdc3c7; }
.widget-ranking-item:nth-child(3) .ranking-number { color: #e67e22; }

/* Best Answer Button */
.btn--best-answer {
    background: #fff;
    color: #f1c40f;
    border: 1px solid #f1c40f;
    font-size: 11px;
    padding: 4px 10px;
}

.btn--best-answer:hover {
    background: #f1c40f;
    color: #fff;
}

@media (max-width: 600px) {
    .comment-item--reply {
        margin-left: 2rem;
        padding-left: 1rem;
    }
}