/* ============================================
   ZUMIO - Global Styles (TETR.IO aesthetic)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;900&display=swap');

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

:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #111128;
    --bg-card: #16163a;
    --bg-input: #1a1a42;
    --accent: #2e86c1;
    --accent-hover: #3a9fd5;
    --accent-glow: rgba(46, 134, 193, 0.3);
    --text-primary: #e8e8f0;
    --text-secondary: #8888aa;
    --text-muted: #555577;
    --danger: #e74c3c;
    --success: #2ecc71;
    --warning: #f1c40f;
    --border: rgba(255, 255, 255, 0.06);
    --radius: 8px;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', 'Segoe UI', sans-serif;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* --- SCREENS --- */
.screen {
    display: none;
    position: absolute;
    inset: 0;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.screen.active {
    display: flex;
}

/* --- LANDING SCREEN --- */
#landing {
    gap: 40px;
    text-align: center;
}

.landing-logo {
    font-size: 72px;
    font-weight: 900;
    letter-spacing: -2px;
    background: linear-gradient(135deg, #2e86c1, #9b59b6, #e74c3c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px var(--accent-glow));
    user-select: none;
}

.landing-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: -30px;
    letter-spacing: 6px;
    text-transform: uppercase;
}

.landing-version {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: -30px;
}

.btn-play {
    padding: 18px 80px;
    font-size: 22px;
    font-weight: 700;
    font-family: inherit;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 0 30px var(--accent-glow);
}
.btn-play:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 50px var(--accent-glow);
}
.btn-play:active {
    transform: translateY(0);
}

/* --- AUTH SCREEN --- */
#auth {
    gap: 24px;
    text-align: center;
}

.auth-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 400px;
    max-width: 90vw;
}

.auth-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 28px;
    border-bottom: 2px solid var(--border);
}

.auth-tab {
    flex: 1;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: none;
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.auth-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.auth-tab:hover:not(.active) {
    color: var(--text-secondary);
}

.auth-form {
    display: none;
    flex-direction: column;
    gap: 14px;
}
.auth-form.active {
    display: flex;
}

.auth-back {
    font-size: 13px;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: color 0.2s;
}
.auth-back:hover {
    color: var(--text-secondary);
}

.input-group {
    position: relative;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    font-family: inherit;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.2s;
}
.input-group input:focus {
    border-color: var(--accent);
}
.input-group input::placeholder {
    color: var(--text-muted);
}

.btn-submit {
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 4px;
}
.btn-submit:hover {
    background: var(--accent-hover);
}

.btn-guest {
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}
.btn-guest:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* --- GUEST NICKNAME --- */
.guest-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 400px;
    max-width: 90vw;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.guest-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
}

.guest-hint {
    font-size: 13px;
    color: var(--text-muted);
}

/* --- MAIN MENU SCREEN --- */
#menu {
    gap: 0;
    text-align: center;
}

.menu-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.menu-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.menu-logo {
    font-size: 42px;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #2e86c1, #9b59b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.menu-welcome {
    font-size: 14px;
    color: var(--text-secondary);
}
.menu-welcome span {
    color: var(--accent);
    font-weight: 600;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 280px;
}

.btn-menu {
    padding: 16px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-card);
    color: var(--text-primary);
}
.btn-menu:hover {
    border-color: var(--accent);
    background: var(--bg-secondary);
    box-shadow: 0 0 20px var(--accent-glow);
}
.btn-menu.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}
.btn-menu.primary:hover {
    background: var(--accent-hover);
}
.btn-menu.disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

.menu-footer {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.btn-footer {
    font-size: 12px;
    font-family: inherit;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
}
.btn-footer:hover {
    color: var(--text-secondary);
}

/* --- GAME SCREEN --- */
#game {
    flex-direction: column;
    gap: 0;
}

#gameCanvas {
    border-radius: 8px;
    cursor: crosshair;
    box-shadow: 0 0 40px var(--accent-glow);
}

.game-hud {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    pointer-events: none;
    z-index: 10;
}

.game-hud .score {
    font-size: 28px;
    font-weight: 700;
    text-shadow: 0 0 10px var(--accent-glow);
}

.game-hud .combo {
    font-size: 18px;
    color: var(--warning);
    opacity: 0;
    transition: opacity 0.3s;
}

.game-over-overlay {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 20;
    background: rgba(10, 10, 26, 0.9);
    padding: 48px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.game-over-overlay h1 {
    font-size: 48px;
    color: var(--danger);
    margin-bottom: 10px;
}
.game-over-overlay p {
    font-size: 24px;
    margin-bottom: 24px;
    color: var(--text-secondary);
}
.game-over-overlay .final-score {
    color: var(--text-primary);
    font-weight: 700;
}

.game-over-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn-retry {
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}
.btn-retry:hover { background: var(--accent-hover); }

.btn-back-menu {
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}
.btn-back-menu:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* --- LEADERBOARD SCREEN --- */
#leaderboard {
    gap: 24px;
    text-align: center;
}

.lb-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    width: 480px;
    max-width: 90vw;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.lb-header {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.lb-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
}

.lb-tab {
    flex: 1;
    padding: 10px;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: none;
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.lb-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.lb-tab:hover:not(.active) {
    color: var(--text-secondary);
}

.lb-table-wrap {
    max-height: 400px;
    overflow-y: auto;
}

.lb-table {
    width: 100%;
    border-collapse: collapse;
}
.lb-table th {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.lb-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.lb-rank {
    color: var(--text-muted);
    font-weight: 600;
    width: 60px;
}
.lb-name {
    color: var(--text-primary);
    font-weight: 500;
}
.lb-score {
    color: var(--accent);
    font-weight: 700;
    text-align: right;
}

.lb-table-wrap::-webkit-scrollbar {
    width: 4px;
}
.lb-table-wrap::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 2px;
}

/* --- LOBBY SCREEN --- */
#lobbyCustom { gap: 24px; text-align: center; }

.lobby-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 400px;
    max-width: 90vw;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.lobby-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
}
.lobby-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.lobby-divider::before,
.lobby-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}
.lobby-join {
    display: flex;
    gap: 8px;
}
.room-code-input {
    flex: 1;
    padding: 14px 16px;
    font-size: 18px;
    font-family: inherit;
    font-weight: 700;
    letter-spacing: 6px;
    text-transform: uppercase;
    text-align: center;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
}
.room-code-input:focus { border-color: var(--accent); }

/* --- ROOM WAITING SCREEN --- */
#roomWaiting { gap: 24px; text-align: center; }

.room-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 400px;
    max-width: 90vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.room-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
}
.room-code {
    font-size: 42px;
    font-weight: 900;
    letter-spacing: 8px;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
}
.room-players {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
    justify-content: center;
}
.room-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.room-player-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}
.room-player-status {
    font-size: 20px;
    color: var(--success);
}
.room-vs {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 2px;
}

.room-layout {
    display: flex;
    gap: 16px;
    align-items: stretch;
    max-width: 90vw;
}

.room-settings {
    width: 100%;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.room-settings-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.room-setting-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: var(--radius);
    font-size: 13px;
}
.room-setting-label { color: var(--text-muted); }
.room-setting-value { color: var(--text-secondary); font-weight: 600; }

/* --- ROOM CHAT --- */
.room-chat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    width: 300px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.room-chat-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.room-chat-messages {
    flex: 1;
    min-height: 200px;
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    background: var(--bg-input);
    border-radius: var(--radius);
}
.room-chat-messages::-webkit-scrollbar { width: 4px; }
.room-chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.chat-msg {
    font-size: 13px;
    line-height: 1.4;
    word-break: break-word;
}
.chat-msg-user {
    font-weight: 600;
    color: var(--accent);
}
.chat-msg-text {
    color: var(--text-secondary);
}
.chat-msg-system {
    color: var(--text-muted);
    font-style: italic;
    font-size: 12px;
}
.room-chat-input {
    display: flex;
    gap: 8px;
}
.room-chat-input input {
    flex: 1;
    padding: 10px 12px;
    font-size: 13px;
    font-family: inherit;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
}
.room-chat-input input:focus { border-color: var(--accent); }
.btn-chat-send {
    padding: 10px 16px;
    font-size: 13px;
    font-family: inherit;
    font-weight: 600;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: opacity 0.2s;
}
.btn-chat-send:hover { opacity: 0.85; }

/* --- CUSTOM GAME SCREEN --- */
#gameCustom { flex-direction: column; gap: 0; }

#mpCanvas {
    border-radius: 8px;
    cursor: crosshair;
    box-shadow: 0 0 40px var(--accent-glow);
}

.mp-game-over-overlay {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 20;
    background: rgba(10, 10, 26, 0.92);
    padding: 48px;
    border-radius: 12px;
    border: 1px solid var(--border);
}
.mp-game-over-overlay h1 {
    font-size: 36px;
    color: var(--accent);
    margin-bottom: 20px;
}

/* --- FRIENDS WIDGET --- */
.fw-widget {
    position: fixed;
    bottom: 16px;
    right: 16px;
    z-index: 100;
    font-family: inherit;
}
.fw-toggle {
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.fw-toggle { display: flex; align-items: center; gap: 8px; }
.fw-toggle:hover { border-color: var(--accent); }
.fw-toggle-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}
.fw-toggle-dot.available { background: var(--success); }
.fw-toggle-dot.busy { background: var(--warning, #f59e0b); }
.fw-toggle-dot.away { background: var(--warning, #f59e0b); opacity: 0.6; }
.fw-toggle-dot.invisible { background: var(--text-muted); }
.fw-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
}
.fw-panel {
    display: none;
    position: absolute;
    bottom: 44px;
    right: 0;
    width: 320px;
    max-height: 480px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    flex-direction: column;
}
.fw-panel.open {
    display: flex;
}
.fw-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
}
.fw-tab {
    flex: 1;
    padding: 10px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: none;
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}
.fw-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.fw-tab:hover:not(.active) { color: var(--text-secondary); }

.fw-status-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border);
}
.fw-status-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.fw-status-select {
    padding: 4px 8px;
    font-size: 12px;
    font-family: inherit;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    cursor: pointer;
}
.fw-status-select:focus { border-color: var(--accent); }

.fw-invites { display: flex; flex-direction: column; }
.fw-invite {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: rgba(99, 102, 241, 0.1);
    border-bottom: 1px solid var(--accent);
    gap: 8px;
}
.fw-invite-text { font-size: 12px; color: var(--text-primary); flex: 1; }
.fw-invite-actions { display: flex; gap: 4px; }

.fw-friend-status-label {
    font-size: 10px;
    color: var(--warning, #f59e0b);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.fw-status.busy { background: var(--warning, #f59e0b); }
.fw-status.away { background: var(--warning, #f59e0b); opacity: 0.6; }

.fw-friend-status-label.away { color: var(--text-muted); }

.fw-pending-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    margin-left: 4px;
    vertical-align: middle;
}

/* --- TOAST NOTIFICATIONS --- */
.fw-toasts {
    position: fixed;
    bottom: 70px;
    right: 16px;
    z-index: 101;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}
.fw-toast {
    padding: 10px 16px;
    font-size: 13px;
    font-family: inherit;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--accent);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: auto;
}
.fw-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.fw-btn-invite {
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    font-family: inherit;
    background: none;
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    color: var(--accent);
    cursor: pointer;
    transition: all 0.2s;
}
.fw-btn-invite:hover { background: var(--accent); color: var(--bg-primary); }
.fw-btn-invite:disabled { opacity: 0.5; cursor: default; }

.fw-add {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}
.fw-add input {
    flex: 1;
    padding: 8px 10px;
    font-size: 12px;
    font-family: inherit;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
}
.fw-add input:focus { border-color: var(--accent); }
.fw-add-btn {
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}
.fw-add-btn:hover { opacity: 0.85; }

.fw-status-msg {
    font-size: 11px;
    padding: 0 12px;
    min-height: 16px;
}
.fw-status-msg.success { color: var(--success); }
.fw-status-msg.error { color: var(--danger); }

.fw-view { flex: 1; overflow: hidden; display: flex; flex-direction: column; }
.fw-list {
    flex: 1;
    overflow-y: auto;
    max-height: 320px;
}
.fw-list::-webkit-scrollbar { width: 4px; }
.fw-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.fw-empty {
    padding: 20px;
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}
.fw-friend {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.fw-friend:hover { background: var(--bg-secondary); }
.fw-friend-info { display: flex; align-items: center; gap: 8px; }
.fw-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}
.fw-status.online { background: var(--success); }
.fw-friend-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}
.fw-friend-actions { display: flex; gap: 4px; }
.fw-btn-chat, .fw-btn-remove {
    padding: 4px 8px;
    font-size: 12px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.fw-btn-chat { position: relative; }
.fw-btn-chat:hover { border-color: var(--accent); color: var(--accent); }
.fw-unread-dot {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
}
.fw-btn-remove:hover { border-color: var(--danger); color: var(--danger); }
.fw-btn-accept, .fw-btn-reject {
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}
.fw-btn-accept { color: var(--success); border-color: var(--success); }
.fw-btn-accept:hover { background: var(--success); color: white; }
.fw-btn-reject { color: var(--danger); border-color: var(--danger); }
.fw-btn-reject:hover { background: var(--danger); color: white; }

/* Chat view */
.fw-chat-view { display: flex; flex-direction: column; }
.fw-chat-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
.fw-chat-back {
    padding: 2px 8px;
    font-size: 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
}
.fw-chat-back:hover { color: var(--text-primary); }
.fw-chat-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}
.fw-chat-messages {
    flex: 1;
    min-height: 200px;
    max-height: 300px;
    overflow-y: auto;
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.fw-chat-messages::-webkit-scrollbar { width: 4px; }
.fw-chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.fw-chat-msg {
    font-size: 12px;
    line-height: 1.4;
    word-break: break-word;
    padding-top: 6px;
}
.fw-chat-msg-cont {
    padding-top: 1px;
}
.fw-chat-msg-mine {
    align-self: flex-end;
    text-align: right;
}
.fw-chat-msg-mine .fw-chat-text {
    background: rgba(99, 102, 241, 0.15);
    display: inline-block;
    padding: 4px 8px;
    border-radius: 8px 8px 2px 8px;
}
.fw-chat-msg-theirs .fw-chat-text {
    background: var(--bg-input);
    display: inline-block;
    padding: 4px 8px;
    border-radius: 8px 8px 8px 2px;
}
.fw-chat-date {
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    padding: 8px 0 4px;
    letter-spacing: 0.5px;
    position: relative;
}
.fw-chat-date::before,
.fw-chat-date::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30%;
    height: 1px;
    background: var(--border);
}
.fw-chat-date::before { left: 0; }
.fw-chat-date::after { right: 0; }
.fw-chat-user { font-weight: 600; color: var(--accent); }
.fw-chat-time { font-size: 10px; color: var(--text-muted); margin-left: 4px; }
.fw-chat-text { color: var(--text-secondary); }
.fw-chat-input-row {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    border-top: 1px solid var(--border);
}
.fw-chat-input-row input {
    flex: 1;
    padding: 8px 10px;
    font-size: 12px;
    font-family: inherit;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
}
.fw-chat-input-row input:focus { border-color: var(--accent); }
.fw-chat-send {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}
.fw-chat-send:hover { opacity: 0.85; }

/* --- BACKGROUND PARTICLES (landing/menu) --- */
.bg-canvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}