*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg:          #000000;
    --bg2:         #0a0a0a;
    --bg3:         #151515;
    --border:      rgba(191, 0, 255, 0.4);
    --purple:      #bf00ff; 
    --purple-glow: rgba(191, 0, 255, 0.5);
    --green:       #dcd0ff;
    --green-glow:  rgba(220, 208, 255, 0.3);
    --red:         #ff3d57;
    --text:        #f0f0f0;
    --muted:       #888888;
    --sidebar-w:   280px;
    --radius:      16px;
}

img, i, svg { background-color: transparent !important; }

body {
    background: var(--bg);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    color: var(--text);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.header {
    flex-shrink: 0;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 0 20px var(--purple-glow);
    z-index: 1000;
    gap: 12px;
}

.brand-logo {
    font-family: 'Rajdhani', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--purple);
    text-decoration: none;
    letter-spacing: 3px;
    text-transform: uppercase;
    flex-shrink: 0;
}

.nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    cursor: pointer;
    transition: 0.2s;
    flex-shrink: 0;
}

.nav-btn:hover {
    border-color: var(--purple);
    box-shadow: 0 0 10px var(--purple-glow);
    color: #fff;
}

.nav-btn i { font-size: 18px; }

.post-rating {
    color: var(--green);
    font-weight: 800;
    font-size: 13px;
    background: rgba(220, 208, 255, 0.03) !important;
    padding: 5px 14px;
    border: 1.5px solid var(--green) !important;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 10px var(--green-glow), inset 0 0 8px var(--green-glow) !important;
    text-shadow: 0 0 5px var(--green-glow);
    flex-shrink: 0;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--purple);
    box-shadow: 0 0 10px var(--purple-glow);
    color: #fff;
}

.theme-toggle i { font-size: 15px; color: var(--purple) !important; }

.feed-layout {
    flex-grow: 1;
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr var(--sidebar-w);
    gap: 20px;
    padding: 20px;
    overflow: hidden;
}

.banner {
    flex: 1;
    border: 1px solid var(--border);
    background: var(--bg2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    transition: 0.3s;
}

.banner:hover {
    border-color: var(--purple);
    background: rgba(191, 0, 255, 0.05);
}

.feed {
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: hidden;
    height: 100%;
    padding-bottom: 20px;
    position: relative;
}

.feed::-webkit-scrollbar { display: none; }
.feed::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 10px; }

.post-card {
    width: 100%;
    max-width: 680px;
    height: calc(100vh - 100px);
    background: var(--bg2);
    border: 1px solid var(--purple);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 15px 50px rgba(0,0,0,0.8);

    will-change: transform, opacity;
}
.post-card.slide-out-top {
    position: absolute;
    top: 0;
    animation: slideOutTop 0.5s forwards cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 1;
}

.post-card.slide-in-bottom {
    position: absolute;
    top: 0;
    animation: slideInBottom 0.5s forwards cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 2;
}

@keyframes slideOutTop {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    50% {
        transform: translateY(-60%) scale(0.95);
        opacity: 0.5;
    }
    100% {
        transform: translateY(-120%) scale(0.9);
        opacity: 0;
    }
}

@keyframes slideInBottom {
    0% {
        transform: translateY(100%);
        opacity: 0;
    }
    50% {
        transform: translateY(50%);
        opacity: 0.5;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.post-header {
    flex-shrink: 0;
    padding: 14px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255,255,255,0.02);
}

.username {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    font-family: 'Rajdhani', sans-serif;
}

.post-images-container {
    flex: 1;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.post-images-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.post-footer {
    flex-shrink: 0;
    padding: 18px;
    background: var(--bg2);
    border-top: 1px solid var(--border);
}

.rating-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.rate-num {
    background: transparent;
    border: 1px solid var(--green);
    color: var(--green);
    padding: 13px 0;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    font-size: 15px;
    text-align: center;
    transition: 0.2s;
}

.rate-num:hover {
    background: var(--green);
    color: #000;
    box-shadow: 0 0 15px var(--green);
    transform: translateY(-2px);
}

.chat-page {
    flex-grow: 1;
    display: flex;
    height: calc(100vh - 60px);
    padding: 16px;
    gap: 16px;
    overflow: hidden;
}

.friends-list::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar {
    width: 4px;
}
.friends-list::-webkit-scrollbar-thumb,
.chat-messages::-webkit-scrollbar-thumb {
    background: var(--purple);
    border-radius: 10px;
}

.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-top {
    position: relative;
    margin-bottom: 14px;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
    transition: 0.2s;
}

.user-btn:hover {
    border-color: var(--purple);
    box-shadow: 0 0 10px var(--purple-glow);
}

.user-avatar, .friend-avatar, .chat-header-avatar {
    width: 32px;
    height: 32px;
    background: var(--purple);
    color: #fff;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.user-btn-name {
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
}

.user-btn-arrow {
    color: var(--muted);
    font-size: 10px;
}

.user-menu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    background: var(--bg3);
    border: 1px solid var(--purple);
    border-radius: 8px;
    padding: 5px;
    z-index: 100;
    box-shadow: 0 10px 30px rgba(0,0,0,0.7);
}

.user-menu-item {
    padding: 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-menu-item:hover { background: rgba(191, 0, 255, 0.15); color: #fff; }
.user-menu-item.danger { color: var(--red); }
.user-menu-item.danger:hover { background: rgba(255, 61, 87, 0.1); }

.user-menu-sep {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

.badge {
    background: var(--red);
    color: #fff;
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 20px;
    font-weight: 700;
}

.sidebar-section-title {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--muted);
    margin: 10px 0 8px 4px;
}

.friends-list {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.friend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
    border: 1px solid transparent;
}

.friend-item:hover {
    background: rgba(255,255,255,0.02);
    border-color: rgba(255,255,255,0.05);
}

.friend-item.active {
    background: rgba(191, 0, 255, 0.1);
    border-color: var(--purple);
}

.friend-name {
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.no-friends {
    font-size: 11px;
    color: var(--muted);
    text-align: center;
    margin-top: 15px;
}

.chat-main {
    flex: 1;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--muted);
}

.chat-empty .empty-icon { font-size: 48px; }
.chat-empty h3 { font-family: 'Rajdhani', sans-serif; font-size: 20px; font-weight: 700; }
.chat-empty p { font-size: 12px; }

.chat-window {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-header {
    flex-shrink: 0;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.02);
}

.chat-header-info { flex: 1; }
.chat-header-name { font-weight: 700; font-size: 15px; }
.chat-header-status { font-size: 11px; color: var(--green); }

.chat-header-remove {
    background: transparent;
    border: 1px solid rgba(255,61,87,0.3);
    color: var(--red);
    border-radius: 6px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 12px;
    transition: 0.2s;
}

.chat-header-remove:hover { background: rgba(255,61,87,0.15); border-color: var(--red); }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--bg);
}

.msg-me, .msg-them {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}
.msg-me { justify-content: flex-end; }
.msg-them { justify-content: flex-start; }

.msg-bubble {
    max-width: 65%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.5;
}

.msg-me .msg-bubble {
    background: var(--purple);
    color: #fff;
    border-bottom-right-radius: 3px;
}

.msg-them .msg-bubble {
    background: var(--bg3);
    color: var(--text);
    border: 1px solid var(--border);
    border-bottom-left-radius: 3px;
}

.msg-time { font-size: 10px; color: var(--muted); margin-top: 3px; }

.chat-input-area {
    flex-shrink: 0;
    padding: 14px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    align-items: center;
    background: var(--bg2);
}

.chat-input {
    flex: 1;
    padding: 11px 16px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}

.chat-input:focus { border-color: var(--purple); }
.chat-input::placeholder { color: var(--muted); }

.chat-send-btn {
    width: 42px;
    height: 42px;
    background: transparent;
    border: 1px solid var(--purple);
    border-radius: 10px;
    color: var(--purple);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: var(--purple);
    color: #fff;
    box-shadow: 0 0 15px var(--purple-glow);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 500;
    backdrop-filter: blur(4px);
}

.modal {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 400px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
}

.modal-header button {
    background: transparent;
    border: none;
    color: var(--muted);
    cursor: pointer;
    font-size: 18px;
    transition: color 0.2s;
}

.modal-header button:hover { color: var(--text); }

.modal-body {
    padding: 16px 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-results { display: flex; flex-direction: column; gap: 6px; }

.search-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 8px;
    background: var(--bg3);
    border: 1px solid transparent;
    transition: 0.2s;
}

.search-item:hover { border-color: var(--border); }

.search-item-name { flex: 1; font-size: 13px; font-weight: 600; }

.btn-add, .btn-accept, .btn-reject {
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: 0.2s;
}

.btn-add, .btn-accept {
    background: transparent;
    border: 1px solid var(--green);
    color: var(--green);
}

.btn-add:hover, .btn-accept:hover {
    background: var(--green);
    color: #000;
}

.btn-reject {
    background: transparent;
    border: 1px solid rgba(255,61,87,0.4);
    color: var(--red);
}

.btn-reject:hover {
    background: rgba(255,61,87,0.15);
    border-color: var(--red);
}

.req-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 8px;
    background: var(--bg3);
}

.req-name { flex: 1; font-size: 13px; font-weight: 600; }
.req-actions { display: flex; gap: 6px; }
.badge-friend { color: var(--green); font-size: 11px; }
.badge-sent { color: var(--muted); font-size: 11px; }
.no-results { text-align: center; color: var(--muted); font-size: 12px; }

.auth-container {
    flex: 1;
    display: flex;
    align-items: stretch;
    overflow: hidden;
}

.ads-sidebar {
    width: 160px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 10px;
}

.ad-block {
    flex: 1;
    background: var(--bg2);
    border: 1px dashed rgba(191, 0, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: 0.3s;
}

.ad-block:hover { border-color: var(--border); }

.auth-center-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    gap: 28px;
    overflow-y: auto;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
    box-shadow: 0 0 60px rgba(191, 0, 255, 0.1), 0 20px 60px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--purple), transparent);
}

.auth-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.auth-sub {
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 1px;
    margin-bottom: 28px;
}

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

.form-label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 7px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    border-color: var(--purple);
    box-shadow: 0 0 12px var(--purple-glow);
}

.form-input::placeholder { color: var(--muted); }

.error-msg {
    padding: 11px 14px;
    background: rgba(255, 61, 87, 0.08);
    border: 1px solid rgba(255, 61, 87, 0.35);
    border-radius: 8px;
    color: #ff6b7a;
    font-size: 12px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    animation: slideIn 0.2s ease;
}

.success-msg {
    padding: 11px 14px;
    background: rgba(220, 208, 255, 0.08);
    border: 1px solid rgba(220, 208, 255, 0.35);
    border-radius: 8px;
    color: var(--green);
    font-size: 12px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    animation: slideIn 0.2s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--purple);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 800;
    font-family: 'Rajdhani', sans-serif;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
    box-shadow: 0 0 20px rgba(191, 0, 255, 0.3);
    margin-top: 8px;
}

.btn-primary:hover {
    background: #d400ff;
    box-shadow: 0 0 30px var(--purple-glow);
    transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    display: block;
    width: 100%;
    padding: 13px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    text-align: center;
    transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.btn-secondary:hover {
    border-color: var(--purple);
    color: #fff;
    box-shadow: 0 0 10px var(--purple-glow);
}

.auth-divider {
    text-align: center;
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 2px;
    margin: 18px 0;
    position: relative;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 22px);
    height: 1px;
    background: var(--border);
}

.auth-divider::before { left: 0; }
.auth-divider::after  { right: 0; }

.auth-brand-footer {
    width: 100%;
    max-width: 400px;
    text-align: center;
    padding: 4px 0;
}

.brand-header {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 8px;
}

.brand-glyph {
    font-family: 'Rajdhani', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--purple);
}

.brand-name {
    font-family: 'Rajdhani', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 3px;
}

.brand-tagline {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.5px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.brand-features {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.feature-item {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border: 1px solid rgba(191, 0, 255, 0.15);
    border-radius: 20px;
    transition: 0.2s;
}

.feature-item:hover {
    border-color: var(--border);
    color: var(--text);
}

body.light {
    --bg:          #f7f6f3;
    --bg2:         #ffffff;
    --bg3:         #f0eff9;
    --border:      rgba(99, 91, 200, 0.2);
    --purple:      #6355c7; 
    --purple-glow: rgba(99, 85, 199, 0.2);
    --green:       #2d7a5f;
    --green-glow:  rgba(45, 122, 95, 0.15);
    --red:         #c0392b;
    --text:        #1a1a2e;
    --muted:       #6b6b80;
}

body.light .header {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 0 20px rgba(99, 85, 199, 0.08);
}

body.light .chat-messages { background: #f0eff9; }
body.light .msg-them .msg-bubble { background: #e8e7f5; color: var(--text); border-color: rgba(99, 91, 200, 0.15); }
body.light .msg-me .msg-bubble { background: var(--purple); color: #fff; }
body.light .chat-input { background: #f0eff9; color: var(--text); border-color: rgba(99, 91, 200, 0.2); }
body.light .chat-input::placeholder { color: var(--muted); }
body.light .form-input { background: #f0eff9; color: var(--text); border-color: rgba(99, 91, 200, 0.2); }
body.light .form-input::placeholder { color: var(--muted); }
body.light .chat-empty { color: var(--muted); }
body.light .chat-send-btn { border-color: var(--purple); color: var(--purple); }
body.light .chat-send-btn:hover { background: var(--purple); color: #fff; }
body.light .post-rating { background: rgba(45, 122, 95, 0.06) !important; box-shadow: 0 0 8px var(--green-glow), inset 0 0 6px var(--green-glow) !important; }
body.light .modal-overlay { background: rgba(180, 178, 200, 0.6); }
body.light .banner:hover { background: rgba(99, 85, 199, 0.05); }
body.light .friend-item.active { background: rgba(99, 85, 199, 0.08); }
body.light .user-btn:hover { box-shadow: 0 0 10px rgba(99, 85, 199, 0.15); }
body.light .feed::-webkit-scrollbar-thumb,
body.light .friends-list::-webkit-scrollbar-thumb,
body.light .chat-messages::-webkit-scrollbar-thumb { background: var(--purple); }
body.light .ad-block { border-color: rgba(99, 91, 200, 0.12); }
body.light .theme-toggle:hover { color: var(--text); background: rgba(99, 85, 199, 0.06); }

.field-error {
    font-size: 11px;
    color: #ff6b7a;
    margin-top: 5px;
    letter-spacing: 0.3px;
}

.username {
    cursor: pointer;
    transition: color 0.2s, text-shadow 0.2s;
}
.username:hover {
    color: var(--purple);
    text-shadow: 0 0 10px var(--purple-glow);
}

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.profile-modal {
    position: relative;
    background: var(--bg2);
    border: 1px solid var(--purple);
    border-radius: 20px;
    box-shadow: 0 0 40px var(--purple-glow);
    width: 420px;
    max-width: 95vw;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.93) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.profile-modal-close {
    position: absolute;
    top: 14px; right: 16px;
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 18px;
    cursor: pointer;
    transition: color 0.2s;
}
.profile-modal-close:hover { color: var(--red); }

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

.profile-avatar {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple), #3a0080);
    border: 2px solid var(--purple);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px; font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}

.profile-modal-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.profile-modal-username {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    font-family: 'Rajdhani', sans-serif;
}

.profile-modal-rating {
    font-size: 13px;
    font-weight: 700;
    color: var(--green);
    background: rgba(220, 208, 255, 0.06);
    border: 1px solid var(--green);
    border-radius: 6px;
    padding: 3px 10px;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.profile-modal-photos {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.modal-photo {
    width: 48%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border);
    cursor: zoom-in;
    transition: transform 0.2s, border-color 0.2s;
}
.modal-photo:hover {
    transform: scale(1.03);
    border-color: var(--purple);
}

.modal-no-photos {
    color: var(--muted);
    font-size: 13px;
    text-align: center;
    padding: 20px 0;
    width: 100%;
}

.profile-modal-actions {
    display: flex;
    gap: 12px;
}

.profile-action-btn {
    flex: 1;
    padding: 13px;
    border-radius: 10px;
    border: none;
    font-family: inherit;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-friend {
    background: transparent;
    border: 2px solid var(--purple);
    color: var(--purple);
}
.btn-friend:hover:not(:disabled) {
    background: var(--purple);
    color: #fff;
    box-shadow: 0 0 15px var(--purple-glow);
}
.btn-friend.btn-already {
    border-color: var(--muted);
    color: var(--muted);
    cursor: default;
}

.btn-chat {
    background: var(--green);
    color: #000;
    border: 2px solid var(--green);
}
.btn-chat:hover {
    box-shadow: 0 0 15px var(--green-glow);
    transform: translateY(-1px);
}

.cab-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
    height: calc(100vh - 70px);
}

.cab-nav {
    width: 240px;
    flex-shrink: 0;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

.cab-user-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.cab-avatar {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple), #3a0080);
    border: 2px solid var(--purple);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800; color: #fff;
    flex-shrink: 0;
}

.cab-user-info { display: flex; flex-direction: column; gap: 4px; overflow: hidden; }
.cab-username { font-size: 14px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cab-view-mode { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 4px; display: inline-block; letter-spacing: 1px; }
.mode-public  { color: var(--green); background: rgba(220, 208, 255, 0.1); border: 1px solid var(--green); }
.mode-private { color: var(--red);   background: rgba(255,61,87,0.1);  border: 1px solid var(--red); }

.cab-nav-items { display: flex; flex-direction: column; gap: 4px; padding: 0 12px; flex: 1; }

.cab-nav-btn {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px;
    background: transparent;
    border: none; border-radius: 10px;
    color: var(--muted);
    font-family: inherit; font-size: 14px; font-weight: 600;
    cursor: pointer; text-align: left;
    transition: 0.2s;
}
.cab-nav-btn:hover { background: rgba(191, 0, 255, 0.1); color: var(--text); }
.cab-nav-btn.active { background: rgba(191, 0, 255, 0.15); color: var(--purple); border: 1px solid rgba(191, 0, 255, 0.3); }
.cab-nav-icon { font-size: 16px; }

.cab-nav-footer { padding: 16px 20px 0; border-top: 1px solid var(--border); margin-top: auto; }
.cab-back-btn { color: var(--muted); font-size: 13px; text-decoration: none; transition: color 0.2s; }
.cab-back-btn:hover { color: var(--purple); }

.cab-main {
    flex: 1;
    overflow-y: auto;
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.cab-main::-webkit-scrollbar { width: 5px; }
.cab-main::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 10px; }

.cab-loading { color: var(--muted); font-size: 14px; padding: 20px 0; }
.cab-empty   { color: var(--muted); font-size: 13px; padding: 16px 0; }

.cab-section {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.cab-section-danger { border-color: rgba(255,61,87,0.3); }
.cab-section-title  { font-size: 13px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 2px; }
.cab-danger-title   { color: var(--red); }

.cab-photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}
.cab-photo-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
}
.cab-photo-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.2s; }
.cab-photo-item:hover img { transform: scale(1.05); }
.cab-photo-delete {
    position: absolute; top: 6px; right: 6px;
    background: rgba(0,0,0,0.7); border: none; border-radius: 50%;
    color: var(--red); width: 26px; height: 26px;
    cursor: pointer; font-size: 12px;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.2s;
}
.cab-photo-item:hover .cab-photo-delete { opacity: 1; }

.cab-add-photo { display: flex; gap: 10px; align-items: center; }
.cab-input {
    flex: 1; padding: 12px 14px;
    background: var(--bg3); border: 1px solid var(--border);
    border-radius: 8px; color: var(--text);
    font-family: inherit; font-size: 13px; outline: none;
    transition: border-color 0.2s;
}
.cab-input:focus { border-color: var(--purple); }
.cab-error { color: var(--red); font-size: 12px; }

.cab-contact-item {
    display: flex; align-items: center; gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.cab-contact-item:last-child { border-bottom: none; }
.cab-contact-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--purple), #3a0080);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 800; color: #fff; flex-shrink: 0;
}
.cab-contact-name { flex: 1; font-size: 14px; font-weight: 600; color: var(--text); }
.cab-contact-actions { display: flex; gap: 8px; }

.cab-btn {
    padding: 10px 18px; border-radius: 8px; border: none;
    font-family: inherit; font-size: 13px; font-weight: 700;
    cursor: pointer; transition: 0.2s; text-decoration: none;
    display: inline-flex; align-items: center; gap: 6px;
}
.cab-btn-green  { background: var(--green); color: #000; }
.cab-btn-green:hover  { box-shadow: 0 0 12px var(--green-glow); transform: translateY(-1px); }
.cab-btn-purple { background: var(--purple); color: #fff; }
.cab-btn-purple:hover { box-shadow: 0 0 12px var(--purple-glow); transform: translateY(-1px); }
.cab-btn-red    { background: transparent; border: 1px solid var(--red); color: var(--red); }
.cab-btn-red:hover    { background: var(--red); color: #fff; }
.cab-btn-small  { padding: 6px 12px; font-size: 12px; }

.cab-setting-row {
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
    padding: 12px 0; border-bottom: 1px solid var(--border);
}
.cab-setting-row:last-child { border-bottom: none; }
.cab-setting-label { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.cab-setting-desc  { font-size: 12px; color: var(--muted); }

.cab-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.cab-stat-card {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 14px; padding: 20px;
    display: flex; flex-direction: column; gap: 6px;
}
.cab-stat-card-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.cab-stat-card-value { font-size: 36px; font-weight: 800; color: var(--green); line-height: 1; }
.cab-stat-card-tier  { font-size: 13px; color: var(--purple); font-weight: 700; }

.cab-stat-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px;
}
.cab-stat-row:last-child { border-bottom: none; }
.cab-stat-label { color: var(--muted); }
.cab-stat-value { color: var(--green); font-weight: 700; }

.cab-log-item {
    display: flex; gap: 12px; align-items: center;
    padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 12px;
}
.cab-log-item:last-child { border-bottom: none; }
.cab-log-type { color: var(--purple); font-weight: 700; min-width: 120px; }
.cab-log-text { color: var(--muted); }

@media (max-width: 1400px) {
    :root {
        --sidebar-w: 240px;
    }

    .feed-layout {
        gap: 14px;
        padding: 14px;
    }

    .post-card {
        max-width: 620px;
    }
}

@media (max-width: 1100px) {

    .feed-layout {
        grid-template-columns: 1fr;
    }

    .banner {
        display: none;
    }

    .post-card {
        height: calc(100vh - 95px);
        max-width: 100%;
    }

    .chat-page {
        padding: 10px;
        gap: 10px;
    }

    .sidebar {
        width: 220px;
    }

    .cab-nav {
        width: 210px;
    }

    .cab-main {
        padding: 22px;
    }

    .ads-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {

    body {
        overflow: auto;
    }

    .header {
        padding: 0 12px;
        height: 56px;
    }

    .brand-logo {
        font-size: 18px;
        letter-spacing: 2px;
    }

    .post-rating {
        display: none;
    }

    .theme-toggle span {
        display: none;
    }

    .feed-layout {
        padding: 0;
        gap: 0;
    }

    .feed {
        padding-bottom: 0;
    }

    .post-card {
        height: calc(100vh - 56px);
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .post-header {
        padding: 12px 14px;
    }

    .username {
        font-size: 18px;
    }

    .post-footer {
        padding: 12px;
    }

    .rating-grid {
        gap: 6px;
    }

    .rate-num {
        padding: 11px 0;
        font-size: 14px;
    }

    .chat-page {
        flex-direction: column;
        height: auto;
        padding: 8px;
    }

    .sidebar {
        width: 100%;
        max-height: 220px;
    }

    .chat-main {
        min-height: 60vh;
    }

    .msg-bubble {
        max-width: 82%;
    }

    .cab-layout {
        flex-direction: column;
        height: auto;
    }

    .cab-nav {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 14px 0;
    }

    .cab-nav-items {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .cab-nav-items::-webkit-scrollbar {
        height: 4px;
    }

    .cab-main {
        padding: 16px;
    }

    .cab-section {
        padding: 18px;
    }

    .cab-stats-grid {
        grid-template-columns: 1fr;
    }

    .cab-photos-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modal,
    .profile-modal {
        width: calc(100vw - 20px);
        max-height: 85vh;
    }

    .profile-modal {
        padding: 20px;
    }

    .profile-modal-actions {
        flex-direction: column;
    }

    .auth-center-content {
        padding: 20px 14px;
    }

    .auth-card {
        padding: 28px 20px;
    }

    .auth-title {
        font-size: 24px;
    }

    .brand-features {
        gap: 8px;
    }
}

@media (max-width: 480px) {

    .header {
        gap: 8px;
    }

    .brand-logo {
        font-size: 16px;
    }

    .nav-btn {
        width: 34px;
        height: 34px;
    }

    .nav-btn i {
        font-size: 15px;
    }

    .theme-toggle {
        padding: 7px 9px;
    }

    .post-header {
        padding: 10px 12px;
    }

    .username {
        font-size: 16px;
    }

    .rating-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 4px;
    }

    .rate-num {
        font-size: 13px;
        padding: 10px 0;
        border-radius: 8px;
    }

    .chat-header {
        padding: 12px;
    }

    .chat-messages {
        padding: 10px;
    }

    .chat-input-area {
        padding: 10px;
    }

    .chat-input {
        padding: 10px 12px;
        font-size: 12px;
    }

    .msg-bubble {
        font-size: 12px;
        max-width: 88%;
    }

    .cab-main {
        padding: 12px;
    }

    .cab-section {
        padding: 14px;
        border-radius: 12px;
    }

    .cab-photos-grid {
        gap: 8px;
    }

    .cab-btn {
        width: 100%;
        justify-content: center;
    }

    .cab-contact-item,
    .cab-setting-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .auth-card {
        border-radius: 14px;
        padding: 24px 16px;
    }

    .auth-title {
        font-size: 20px;
        letter-spacing: 2px;
    }

    .form-input {
        font-size: 12px;
    }

    .btn-primary,
    .btn-secondary {
        font-size: 13px;
    }
}