*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}
html {
    height: 100%;
    height: -webkit-fill-available;
}
body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    font-weight: var(--fw-normal);
    color: var(--text-primary);
    background: var(--bg-base);
    height: 100dvh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.login-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    z-index: 9999;
    overflow: hidden;
    padding: var(--sp-4);
}
.login-bg-anim {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    animation: orbFloat 8s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; top: -150px; left: -100px; background: var(--orb-1); animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; bottom: -100px; right: -80px; background: var(--orb-2); animation-delay: -3s; }
.orb-3 { width: 300px; height: 300px; top: 40%; left: 50%; transform: translate(-50%,-50%); background: var(--orb-3); animation-delay: -6s; }
@keyframes orbFloat {
    0%, 100% { transform: scale(1) translate(0, 0); }
    33% { transform: scale(1.1) translate(20px, -20px); }
    66% { transform: scale(0.95) translate(-15px, 15px); }
}
.orb-3 { animation-name: orbFloat3; }
@keyframes orbFloat3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.15); }
}
.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: var(--sp-6);
    box-shadow: var(--shadow-lg), 0 0 60px var(--accent-glow);
}
.login-logo {
    text-align: center;
    margin-bottom: var(--sp-6);
}
.login-logo-ring {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    margin-bottom: var(--sp-3);
    box-shadow: 0 0 30px var(--accent-glow);
}
.login-logo h1 {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}
.login-logo p {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}
.login-form { display: flex; flex-direction: column; gap: var(--sp-3); }
.lf-group { display: flex; flex-direction: column; gap: 6px; }
.lf-group label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: 6px;
}
.lf-group input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: var(--fs-base);
    outline: none;
    transition: border-color var(--tr-fast), box-shadow var(--tr-fast);
    width: 100%;
}
.lf-group input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.lf-group input::placeholder { color: var(--text-muted); }
.lf-toggle-row { display: flex; align-items: center; }
.lf-check-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    user-select: none;
}
.lf-check-label input[type="checkbox"] { display: none; }
.lf-check-box {
    width: 18px; height: 18px;
    border-radius: 5px;
    border: 2px solid var(--border-focus);
    display: inline-flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: background var(--tr-fast);
}
.lf-check-label input:checked + .lf-check-box {
    background: var(--accent);
    border-color: var(--accent);
}
.lf-check-label input:checked + .lf-check-box::after {
    content: '';
    width: 5px; height: 9px;
    border: 2px solid white;
    border-top: none; border-left: none;
    transform: rotate(45deg) translate(-1px, -1px);
    display: block;
}
.lf-check-label input[type="radio"] { display: none; }
.lf-check-box--radio { border-radius: 50%; }
.lf-check-label input:checked + .lf-check-box--radio {
    background: transparent;
    border-color: var(--accent);
}
.lf-check-label input:checked + .lf-check-box--radio::after {
    width: 9px; height: 9px;
    border: none;
    border-radius: 50%;
    background: var(--accent);
    transform: none;
}
.lf-hidden { display: none; }
.lf-pass-wrap {
    position: relative;
    display: flex;
}
.lf-pass-wrap input { padding-right: 42px; }
.lf-eye-btn {
    position: absolute; right: 0; top: 0; bottom: 0;
    width: 42px;
    background: none; border: none; cursor: pointer;
    color: var(--text-muted);
    display: flex; align-items: center; justify-content: center;
    transition: color var(--tr-fast);
}
.lf-eye-btn:hover { color: var(--accent); }
.lf-connect-btn {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border: none;
    border-radius: var(--r-md);
    padding: 13px;
    color: white;
    font-family: var(--font-display);
    font-size: var(--fs-md);
    font-weight: var(--fw-bold);
    cursor: pointer;
    letter-spacing: 0.02em;
    transition: opacity var(--tr-fast), transform var(--tr-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 4px;
}
.lf-connect-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.lf-connect-btn:active { transform: translateY(0); }
.lf-connect-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.lf-hint {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-align: center;
}
.app {
    display: flex;
    height: 100dvh;
    overflow: hidden;
    background: var(--bg-base);
}
.sidebar-left {
    width: var(--sidebar-left-w);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    overflow: hidden;
    transition: transform var(--tr-slow);
    z-index: 50;
}
.sl-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px var(--sp-4);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.sl-brand {
    display: flex;
    align-items: center;
    gap: 6px;
}
.sl-brand-name {
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    font-weight: var(--fw-black);
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}
.sl-brand-dot {
    font-size: 8px;
    color: var(--accent);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.sl-close-btn {
    display: none;
    background: none; border: none; cursor: pointer;
    color: var(--text-muted);
    width: 28px; height: 28px;
    border-radius: var(--r-sm);
    align-items: center; justify-content: center;
    font-size: 14px;
    transition: color var(--tr-fast), background var(--tr-fast);
}
.sl-close-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.sl-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-2) 0;
}
.sl-nav-section { margin-bottom: var(--sp-2); }
.sl-nav-label {
    display: block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 8px var(--sp-4) 4px;
}
.sl-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px var(--sp-4);
    cursor: pointer;
    border-radius: 0;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    transition: background var(--tr-fast), color var(--tr-fast);
    position: relative;
    border-left: 2px solid transparent;
    margin: 1px 0;
}
.sl-nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.sl-nav-item.active-nav {
    background: var(--bg-active);
    color: var(--accent);
    border-left-color: var(--accent);
}
.sl-nav-item > i {
    width: 16px;
    font-size: 13px;
    flex-shrink: 0;
    text-align: center;
}
.sl-nav-item > span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sl-unread {
    background: var(--accent-2);
    color: white;
    border-radius: 99px;
    font-size: 10px;
    font-weight: var(--fw-bold);
    min-width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}
.sl-nav-item .sl-close {
    background: none; border: none; cursor: pointer;
    color: var(--text-muted); padding: 2px 4px; border-radius: 6px;
    font-size: 12px; line-height: 1; flex-shrink: 0;
    opacity: 0; transition: opacity var(--tr-fast), color var(--tr-fast), background var(--tr-fast);
}
.sl-nav-item:hover .sl-close { opacity: 0.7; }
.sl-nav-item .sl-close:hover { opacity: 1; color: #ff6b6b; background: rgba(255,107,107,0.12); }
@media (pointer: coarse) {
    .sl-nav-item .sl-close { opacity: 0.5; }
}
.sl-profile {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-4);
    border-top: 1px solid var(--border);
    background: var(--bg-raised);
    flex-shrink: 0;
}
.sl-profile-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: flex; align-items: center; justify-content: center;
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    color: white;
    flex-shrink: 0;
    overflow: hidden;
}
.sl-profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sl-profile-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.sl-profile-nick {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sl-profile-status {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}
.pulse-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #22c55e;
    display: inline-block;
    animation: pulse-dot 2s ease-in-out infinite;
}
.sl-profile-settings {
    background: none; border: none; cursor: pointer;
    color: var(--text-muted);
    width: 28px; height: 28px;
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    transition: color var(--tr-fast), background var(--tr-fast);
    flex-shrink: 0;
}
.sl-profile-settings:hover { color: var(--accent); background: var(--bg-hover); }
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 49;
    backdrop-filter: blur(2px);
}
.chat-col {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}
.sidebar-right {
    width: var(--sidebar-right-w);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    border-left: 1px solid var(--border);
    overflow: hidden;
    transition: transform var(--tr-slow);
}
.sr-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px var(--sp-4);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}
.sr-count {
    background: var(--bg-raised);
    color: var(--text-secondary);
    border-radius: 99px;
    font-size: 11px;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
}
.sr-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-2) 0;
}
.sl-explorar-btn {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    width: calc(100% - var(--sp-4));
    margin: var(--sp-2) var(--sp-2) 0;
    padding: var(--sp-2) var(--sp-3);
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: background var(--tr-fast), color var(--tr-fast), border-color var(--tr-fast);
}
.sl-explorar-btn:hover {
    background: var(--bg-active);
    color: var(--text-primary);
    border-color: var(--accent);
}
.sl-explorar-btn i { color: var(--accent); font-size: 0.9rem; }
@media (max-width: 900px) {
    .sidebar-right {
        position: fixed;
        right: 0;
        top: 0;
        bottom: 0;
        transform: translateX(100%);
        z-index: 50;
        border-radius: var(--r-lg) 0 0 var(--r-lg);
    }
    .sidebar-right.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
}
@media (max-width: 640px) {
    .sidebar-left {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        z-index: 50;
        width: min(var(--sidebar-left-w), 80vw);
        border-radius: 0 var(--r-lg) var(--r-lg) 0;
    }
    .sidebar-left.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    .sidebar-overlay.visible { display: block; }
    .sl-close-btn { display: flex; }
}
.ul-user--blocked { opacity: 0.5; }
.ul-user--blocked .ul-nick { text-decoration: line-through; }
.ul-blocked-icon { color: #ff6b6b; font-size: 10px; margin-left: 4px; }
[data-theme="daylight"] .ul-nick,
[data-theme="cream"] .ul-nick,
[data-theme="noir"] .ul-nick { font-weight: var(--fw-bold); }
.ul-user--away { opacity: 0.6; }
.ul-user--away .ul-nick { font-style: italic; }
.ul-away-dot { width: 7px; height: 7px; border-radius: 50%; background: #ff5050; margin-left: 4px; flex-shrink: 0; box-shadow: 0 0 4px rgba(255,80,80,0.6); }