/* ============================================================
   Brob v3 — Sistema de diseño
   Tema oscuro inspirado en Roblox / Discord / Steam.
   Variables centralizadas: cambiar la marca = tocar :root.
   ============================================================ */

:root {
    --bg:            #16171d;
    --bg-raised:     #1e2028;
    --bg-hover:      #262933;
    --border:        #2e3140;
    --text:          #e6e8ef;
    --text-muted:    #9aa0b4;
    --primary:       #5865f2;
    --primary-hover: #6b76ff;
    --success:       #3ba55d;
    --danger:        #ed4245;
    --radius:        10px;
    --sidebar-w:     220px;
    --friends-w:     280px;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
}

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

/* ---------- Layout principal: topbar + 3 columnas ---------- */

.layout {
    display: grid;
    grid-template-rows: 56px 1fr;
    grid-template-columns: var(--sidebar-w) 1fr var(--friends-w);
    grid-template-areas:
        "topbar topbar topbar"
        "sidebar main friends";
    height: 100vh;
}

.topbar {
    grid-area: topbar;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 20px;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text);
}
.logo span { color: var(--primary); }

.topbar-spacer { flex: 1; }

.sidebar {
    grid-area: sidebar;
    background: var(--bg-raised);
    border-right: 1px solid var(--border);
    padding: 16px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-weight: 500;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); text-decoration: none; }
.nav-item.active { background: var(--bg-hover); color: var(--text); }

.main {
    grid-area: main;
    overflow-y: auto;
    padding: 24px;
}

.friends-panel {
    grid-area: friends;
    background: var(--bg-raised);
    border-left: 1px solid var(--border);
    overflow-y: auto;
    padding: 16px;
}

/* ---------- Portada (hero) y tarjetas de juegos ---------- */

.hero {
    border-radius: var(--radius);
    padding: 36px 32px;
    margin-bottom: 28px;
    background: linear-gradient(120deg, #3d47c4 0%, #5865f2 55%, #7a4fd8 100%);
    color: #fff;
}
.hero h1 { font-size: 28px; margin-bottom: 6px; }
.hero p  { opacity: .9; max-width: 560px; }

.section-title {
    font-size: 18px;
    font-weight: 700;
    margin: 18px 0 12px;
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 16px;
}

.game-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .15s ease, border-color .15s ease;
    display: flex;
    flex-direction: column;
}
.game-card:hover { transform: translateY(-3px); border-color: var(--primary); }

.game-cover {
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    background: linear-gradient(135deg, #23264f, #3d2a63);
}

.game-body { padding: 12px 14px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.game-name { font-weight: 700; }
.game-desc { color: var(--text-muted); font-size: 13px; flex: 1; }
.game-meta { color: var(--success); font-size: 13px; font-weight: 600; }

/* ---------- Componentes básicos ---------- */

.btn {
    border: none;
    border-radius: 8px;
    padding: 9px 16px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: var(--text);
    background: var(--bg-hover);
    transition: background .12s ease;
}
.btn:hover  { background: var(--border); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost  { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }

.input {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 10px 12px;
    font-family: inherit;
    font-size: 14px;
}
.input:focus { outline: none; border-color: var(--primary); }

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

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    font-weight: 700;
    flex-shrink: 0;
    user-select: none;
}

.badge {
    background: var(--danger);
    color: #fff;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
}

.card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

/* ---------- Panel de amigos ---------- */

.panel-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--text-muted);
    margin: 16px 0 8px;
}

.panel-block { margin-bottom: 8px; }

.friend-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 8px;
    border-radius: 8px;
}
.friend-row:hover { background: var(--bg-hover); }
.friend-info { flex: 1; min-width: 0; }
.friend-name { display: block; color: var(--text); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.friend-status { color: var(--success); font-size: 12px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.friend-actions { display: flex; gap: 4px; }

.search-results { margin-top: 6px; }

/* ---------- Chat dock ---------- */

.chat-dock {
    position: fixed;
    right: calc(var(--friends-w) + 16px);
    bottom: 0;
    z-index: 50;
}

.chat-toggle {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 10px 10px 0 0;
    padding: 10px 22px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
}

.chat-panel {
    display: none;
    width: 560px;
    height: 400px;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
    overflow: hidden;
}
.chat-dock.open .chat-panel { display: grid; grid-template-columns: 220px 1fr; }

.chat-list {
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 8px;
}

.chat-conv {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
}
.chat-conv:hover, .chat-conv.active { background: var(--bg-hover); }
.chat-conv-info { flex: 1; min-width: 0; }
.chat-conv-name { font-weight: 600; font-size: 14px; }
.chat-conv-last { color: var(--text-muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-conv-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }

.chat-window { display: flex; flex-direction: column; }
.chat-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
.chat-messages { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.chat-msg { display: flex; }
.chat-msg.mine { justify-content: flex-end; }
.chat-bubble {
    background: var(--bg-hover);
    border-radius: 14px;
    padding: 7px 12px;
    max-width: 75%;
    font-size: 14px;
    white-space: pre-wrap;
    word-break: break-word;
}
.chat-msg.mine .chat-bubble { background: var(--primary); color: #fff; }
.chat-input-row { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--border); }

/* ---------- Toasts ---------- */

.toast-holder {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    background: var(--bg-raised);
    border: 1px solid var(--success);
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 14px;
    opacity: 0;
    transform: translateX(20px);
    transition: all .25s ease;
    max-width: 320px;
}
.toast.visible { opacity: 1; transform: translateX(0); }
.toast-error { border-color: var(--danger); }

/* ---------- Perfil ---------- */

.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}
.profile-header h1 { font-size: 24px; }

.history-table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.history-table th, .history-table td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.history-table th { color: var(--text-muted); font-weight: 600; }

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
    .layout {
        grid-template-columns: var(--sidebar-w) 1fr;
        grid-template-areas:
            "topbar topbar"
            "sidebar main";
    }
    .friends-panel { display: none; }
    .chat-dock { right: 16px; }
}

@media (max-width: 720px) {
    .layout {
        grid-template-columns: 1fr;
        grid-template-areas:
            "topbar"
            "main";
    }
    .sidebar { display: none; }
    .chat-panel { width: calc(100vw - 24px); }
    .chat-dock.open .chat-panel { grid-template-columns: 1fr; }
    .chat-list { display: none; }
}