* {
    box-sizing: border-box;
}

:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --panel-soft: #f9fbff;
    --border: #dbe4f0;
    --text: #1f2a37;
    --muted: #6b7280;
    --primary: #1d9bf0;
    --primary-hover: #0c85d8;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success-bg: #ecfdf3;
    --success-border: #a7f3d0;
    --success-text: #065f46;
    --error-bg: #fef2f2;
    --error-border: #fecaca;
    --error-text: #991b1b;
    --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
    --radius: 18px;
}

html[data-theme="dark"] {
    --bg: #0f172a;
    --panel: #111827;
    --panel-soft: #1f2937;
    --border: #334155;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --primary: #38bdf8;
    --primary-hover: #0ea5e9;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success-bg: #052e1b;
    --success-border: #166534;
    --success-text: #bbf7d0;
    --error-bg: #450a0a;
    --error-border: #7f1d1d;
    --error-text: #fecaca;
    --shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

html, body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}

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

a:hover {
    text-decoration: underline;
}

.site {
    min-height: 100vh;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: color-mix(in srgb, var(--panel) 90%, transparent);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    max-width: 1250px;
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.brand {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.brand:hover {
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
}

.nav a {
    color: var(--text);
    font-weight: 600;
}

.theme-toggle {
    border: 1px solid var(--border);
    background: var(--panel-soft);
    color: var(--text);
    border-radius: 999px;
    padding: 10px 14px;
    cursor: pointer;
    font-weight: 700;
}

.container {
    max-width: 1250px;
    margin: 24px auto;
    padding: 0 20px 30px;
}

.layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr) 260px;
    gap: 24px;
    align-items: start;
}

.sidebar,
.rightbar,
.feed,
.profile-wrap {
    min-width: 0;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.card + .card,
.post-card + .post-card {
    margin-top: 18px;
}

.hero-card h1,
.auth-card h1,
.profile-card h1,
.composer-card h2 {
    margin-top: 0;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 999px;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: 0.2s ease;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--panel-soft);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-small {
    padding: 8px 12px;
    font-size: 13px;
}

.btn-full {
    width: 100%;
}

textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"] {
    width: 100%;
    border: 1px solid var(--border);
    background: var(--panel);
    border-radius: 14px;
    padding: 14px 16px;
    font-size: 15px;
    color: var(--text);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="file"]:focus {
    border-color: rgba(29, 155, 240, 0.7);
    box-shadow: 0 0 0 4px rgba(29, 155, 240, 0.12);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

label {
    display: block;
    margin: 14px 0 8px;
    font-weight: 600;
}

.composer-footer {
    margin-top: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

#char-counter {
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
}

.post-card {
    background: linear-gradient(180deg, var(--panel) 0%, var(--panel-soft) 100%);
}

.post-header {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 12px;
}

.post-userbox {
    display: flex;
    gap: 12px;
    align-items: center;
}

.post-user {
    font-weight: 700;
    color: var(--text);
}

.post-user:hover {
    color: var(--primary);
}

.post-meta {
    color: var(--muted);
    font-size: 13px;
    margin-top: 4px;
}

.post-content {
    font-size: 15px;
    line-height: 1.65;
    word-break: break-word;
}

.post-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.alert {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 600;
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
}

.alert-error {
    background: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error-text);
}

.auth-wrap {
    max-width: 520px;
    margin: 40px auto;
}

.auth-note {
    margin-top: 18px;
    color: var(--muted);
}

.form-errors {
    margin-bottom: 16px;
}

.error-item {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error-text);
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 10px;
    font-size: 14px;
}

.profile-wrap {
    max-width: 800px;
    margin: 0 auto;
}

.profile-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.profile-main {
    display: flex;
    gap: 16px;
    align-items: center;
}

.profile-main-edit {
    margin-bottom: 20px;
}

.profile-meta {
    color: var(--muted);
    margin: 6px 0 0;
}

.profile-stats-row {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 18px;
    color: var(--text);
}

.avatar {object-fit: cover;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--panel-soft);
}

.avatar-small {
    width: 48px;
    height: 48px;
}

.avatar-large {
    width: 96px;
    height: 96px;
}

.comment-item + .comment-item {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.comment-content {
    margin-top: 10px;
}

.comment-info {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    color: var(--muted);
}

.search-user,
.search-post,
.admin-post-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border);
}

@media (max-width: 1024px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar,
    .rightbar {
        order: 2;
    }

    .feed {
        order: 1;
    }
}

@media (max-width: 640px) {
    .topbar-inner {
        padding: 16px;
        flex-direction: column;
        align-items: flex-start;
    }

    .container {
        padding: 0 14px 24px;
        margin-top: 16px;
    }

    .card {
        padding: 16px;
    }

    .composer-footer,
    .post-header,
    .profile-head {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-small {
        width: 100%;
    }

    .post-actions {
        flex-direction: column;
    }
}
.admin-wrap {
    max-width: 1400px;
}

.admin-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.admin-section {
    min-width: 0;
}

.admin-section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.admin-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-post-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.admin-post-item {
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--panel-soft);
}

.admin-post-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 12px;
}

.admin-post-content {
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.6;
}

@media (max-width: 1200px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .admin-post-top {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-actions {
        flex-direction: column;
    }
}
.admin-wrap {
    max-width: 1400px;
}

.admin-section {
    min-width: 0;
}

.admin-section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.admin-tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.admin-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--panel-soft);
    color: var(--text);
    font-weight: 700;
    text-decoration: none;
    transition: 0.2s ease;
}

.admin-tab:hover {
    text-decoration: none;
    transform: translateY(-1px);
    background: var(--border);
}

.admin-tab-active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.admin-tab-active:hover {
    background: var(--primary-hover);
    color: #fff;
}

.admin-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-post-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.admin-post-item {
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--panel-soft);
}

.admin-post-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 12px;
}

.admin-post-content {
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.6;
}

@media (max-width: 640px) {
    .admin-post-top {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-actions {
        flex-direction: column;
    }

    .admin-tabs {
        flex-direction: column;
    }
}
.admin-protected-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--panel-soft);
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}
.admin-filter-form {
    margin-bottom: 20px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--panel-soft);
}

.admin-filter-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr));
    gap: 14px;
    align-items: end;
}

.admin-filter-grid select {
    width: 100%;
    border: 1px solid var(--border);
    background: var(--panel);
    border-radius: 14px;
    padding: 14px 16px;
    font-size: 15px;
    color: var(--text);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.admin-filter-grid select:focus {
    border-color: rgba(29, 155, 240, 0.7);
    box-shadow: 0 0 0 4px rgba(29, 155, 240, 0.12);
}

.admin-filter-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

@media (max-width: 900px) {
    .admin-filter-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .admin-filter-grid {
        grid-template-columns: 1fr;
    }

    .admin-filter-actions {
        flex-direction: column;
    }
}
.admin-pagination-wrap {
    margin-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.admin-pagination-info {
    color: var(--muted);
    font-weight: 600;
}

.admin-pagination {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.admin-page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--panel-soft);
    color: var(--text);
    font-weight: 700;
    text-decoration: none;
    transition: 0.2s ease;
}

.admin-page-link:hover {
    text-decoration: none;
    transform: translateY(-1px);
    background: var(--border);
}

.admin-page-link-active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.admin-page-link-active:hover {
    background: var(--primary);
    color: #fff;
}
.admin-temp-ban-form {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-days-input {
    width: 90px !important;
    min-width: 90px;
    padding: 8px 10px !important;
    border-radius: 10px !important;
    font-size: 13px !important;
}
.post-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.report-trigger {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    background: var(--panel-soft);
    color: var(--danger);
    border-radius: 999px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.report-trigger:hover {
    background: var(--error-bg);
}

.report-modal[hidden] {
    display: none;
}

.report-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.report-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.report-modal-card {
    position: relative;
    z-index: 2;
    max-width: 520px;
    margin: 10vh auto 0;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.report-modal-card h3 {
    margin-top: 0;
}

.report-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.report-box {
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--panel-soft);
}

.report-box + .report-box {
    margin-top: 16px;
}

.report-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin-bottom: 14px;
}

.report-content-box,
.report-reason-box {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--panel);
    border: 1px solid var(--border);
}

.report-action-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}

@media (max-width: 640px) {
    .report-meta-grid {
        grid-template-columns: 1fr;
    }

    .report-modal-card {
        margin: 6vh 14px 0;
    }

    .report-modal-actions {
        flex-direction: column;
    }
}
.post-upload-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 14px;
    flex-wrap: wrap;
}

#post-image {
    display: none;
}

.post-image-button {
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    background: var(--panel-soft);
    color: var(--text);
    border-radius: 999px;
    cursor: pointer;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.post-image-button:hover {
    background: var(--border);
}

.post-upload-hint {
    color: var(--muted);
    font-size: 14px;
}

.post-image-wrap {
    margin-top: 16px;
}

.post-image {
    display: block;
    width: 100%;
    max-width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: 16px;
    border: 1px solid var(--border);
    cursor: pointer;
}

.image-modal[hidden] {
    display: none;
}

.image-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
}

.image-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
}

.image-modal-content {
    position: relative;
    z-index: 2;
    max-width: 92vw;
    max-height: 90vh;
    margin: 4vh auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 16px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.image-modal-close {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 999px;
    background: #fff;
    color: #111;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
}

.image-modal-close:hover {
    transform: scale(1.05);
}

@media (max-width: 640px) {
    .image-modal-content {
        max-width: 95vw;
        margin-top: 8vh;
    }

    .image-modal-close {
        top: -10px;
        right: -4px;
    }
}
.user-badges {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
    vertical-align: middle;
    flex-wrap: wrap;
}

.user-badge {
    width: 18px;
    height: 18px;
    object-fit: contain;
    vertical-align: middle;
}
.profile-bio {
    margin-top: 10px;
    color: var(--text);
    line-height: 1.5;
    white-space: pre-wrap;
}

.profile-link {
    margin-top: 10px;
}

.profile-link a {
    word-break: break-word;
}

.profile-main-edit + .form-errors + form button[type="submit"],
.profile-main-edit + form button[type="submit"] {
    margin-top: 16px;
}
.site-footer {
    margin-top: 40px;
    padding: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-content {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    margin: 0 8px;
    text-decoration: none;
    color: var(--text-secondary);
}

.footer-links a:hover {
    text-decoration: underline;
}