:root {
    --border-color: rgba(255, 255, 255, 0.2);
    --text-primary: #262626;
    --text-secondary: #8e8e8e;
    --danger-color: #ed4956;
    --like-color: #ed4956;
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    transition: background 0.3s ease;
    overflow-x: hidden;
}

header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

.header-container {
    max-width: 95%;
    margin: 0 auto;
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    white-space: nowrap;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.btn {
    text-decoration: none;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: transform 0.1s, opacity 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    white-space: nowrap;
}
.btn:hover { opacity: 0.9; }

.btn-primary { background-color: var(--accent-color); color: white; }
.btn-outline { border: 1px solid var(--border-color); color: var(--text-primary); background: transparent; }
.btn-danger { background-color: transparent; color: var(--danger-color); padding: 0; font-size: 13px; }

.admin-menu-wrapper { position: relative; }

.btn-gear {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 6px 10px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.theme-panel {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: var(--card-bg);
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    width: 250px;
    z-index: 1000;
    border: 1px solid var(--border-color);
}

.theme-panel.active { display: block; }
.theme-panel h3 { margin: 0 0 12px 0; font-size: 14px; color: var(--text-primary); }
.control-group { margin-bottom: 10px; }
.control-group label { display: block; font-size: 11px; font-weight: bold; margin-bottom: 4px; color: var(--text-secondary); }
.control-group input[type="color"] { width: 100%; height: 32px; border: 1px solid var(--border-color); cursor: pointer; border-radius: 6px; background: transparent; }
.control-group input[type="range"] { width: 100%; }

.feed-container {
    max-width: 95%;
    margin: 20px auto;
    padding: 0 12px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: background 0.3s ease, border-radius 0.3s ease;
    position: relative;
}

.card-header {
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
}

.avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 13px;
    object-fit: cover;
}

.username { font-size: 13px; font-weight: 600; }

.card-image-wrapper {
    width: 100%;
    height: var(--img-height);
    background-color: rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: pointer;
}

.desc-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    color: #ffffff;
    padding: 12px;
    font-size: 12px;
    line-height: 1.4;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 10;
    backdrop-filter: blur(1.5px);
    -webkit-backdrop-filter: blur(1.5px);
}

.desc-overlay.active {
    opacity: 1;
    visibility: visible;
}

.desc-overlay-content {
    overflow-y: auto;
    margin-bottom: 8px;
    word-break: break-word;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9), 0 0 2px rgba(0, 0, 0, 0.8);
    font-weight: 500;
}

.desc-overlay-close {
    align-self: flex-end;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #ffffff;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.desc-overlay-close:hover {
    background: rgba(0, 0, 0, 0.85);
}

.card-actions {
    padding: 8px 12px 4px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.like-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    outline: none;
}

.like-btn svg {
    width: 22px;
    height: 22px;
    fill: transparent;
    stroke: var(--text-primary);
    stroke-width: 2;
    transition: fill 0.2s ease, stroke 0.2s ease;
}

.like-btn.liked svg {
    fill: var(--like-color);
    stroke: var(--like-color);
}

.likes-count { font-size: 12px; font-weight: 600; color: var(--text-primary); }

.card-body {
    padding: 4px 12px 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-title { font-size: 13px; margin: 0; }
.card-description { font-size: 12px; color: var(--text-primary); margin: 0; line-height: 1.3; word-break: break-word; }
.read-more-btn { background: none; border: none; color: var(--text-secondary); font-weight: 600; font-size: 12px; cursor: pointer; padding: 0; }
.card-date { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

.empty-feed {
    text-align: center;
    padding: 60px 15px;
    color: var(--text-secondary);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.modal-container {
    background: #ffffff;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: fadeIn 0.2s ease-out;
}

.modal-header {
    padding: 12px 16px;
    border-bottom: 1px solid #dbdbdb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 { margin: 0; font-size: 15px; color: #262626; }
.modal-close { background: none; border: none; font-size: 22px; color: #8e8e8e; cursor: pointer; }

.modal-body {
    padding: 16px;
    overflow-y: auto;
}

.modal-body .form-group { margin-bottom: 12px; }
.modal-body label { display: block; margin-bottom: 4px; font-weight: 600; font-size: 12px; color: #262626; }
.modal-body input[type="text"],
.modal-body input[type="email"],
.modal-body input[type="password"],
.modal-body input[type="number"],
.modal-body textarea,
.modal-body input[type="file"] { width: 100%; padding: 10px; border: 1px solid #dbdbdb; border-radius: 8px; font-size: 13px; }
.modal-body textarea { resize: vertical; min-height: 50px; }

.modal-body .preview-wrapper { display: none; margin-top: 8px; text-align: center; }
.modal-body .preview-box { width: 100%; height: 140px; display: flex; align-items: center; justify-content: center; overflow: hidden; background-color: #f8f9fa; border: 1px solid #dbdbdb; border-radius: 8px; }
.modal-body .preview-box img { max-width: 100%; max-height: 100%; object-fit: contain; }

.rotate-controls { display: flex; gap: 8px; justify-content: center; margin-top: 8px; }
.btn-rotate { background-color: #efefef; border: 1px solid #dbdbdb; color: #262626; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; }

.modal-alert { padding: 8px 10px; border-radius: 6px; font-size: 12px; margin-bottom: 10px; }
.modal-alert.error { background-color: #fce8e6; color: #c5221f; border: 1px solid #fad2cf; }

.tabs { display: flex; border-bottom: 1px solid #dbdbdb; }
.tab-btn { flex: 1; padding: 12px; background: none; border: none; font-size: 14px; font-weight: 600; color: #8e8e8e; cursor: pointer; text-align: center; }
.tab-btn.active { color: var(--accent-color); border-bottom: 2px solid var(--accent-color); }

@media (max-width: 600px) {
    .header-container { padding: 8px 12px; }
    .logo { font-size: 18px; }
    .btn { padding: 6px 10px; font-size: 12px; }
    .gallery-grid { grid-template-columns: 1fr; gap: 12px; }
    .feed-container { margin: 12px auto; padding: 0 8px; }
    .theme-panel { width: 220px; right: -10px; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}