/* ═══════════════════════════════════════════════════
   Campida Padel Finance — Premium Dark UI
   ═══════════════════════════════════════════════════ */
:root {
    --bg: #0a0a0a;
    --bg-card: #141414;
    --bg-card-hover: #1a1a1a;
    --bg-sidebar: #0d0d0d;
    --bg-input: #1a1a1a;
    --border: #2a2a2a;
    --border-hover: #3a3a3a;
    --text: #e8e8e8;
    --text-muted: #888;
    --text-dim: #555;
    --gold: #c9a84c;
    --gold-dim: rgba(201,168,76,0.15);
    --green: #22c55e;
    --red: #ef4444;
    --blue: #3b82f6;
    --orange: #f59e0b;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius: 10px;
    --radius-sm: 6px;
    --sidebar-w: 220px;
    --chat-w: 380px;
    --topbar-h: 56px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text); font-size: 14px; }

/* ── LAYOUT ── */
#app { display: flex; height: 100vh; overflow: hidden; }

/* ── SIDEBAR ── */
#sidebar {
    width: var(--sidebar-w); min-width: var(--sidebar-w);
    background: var(--bg-sidebar); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; transition: transform 0.3s;
    z-index: 200;
}
.sidebar-header {
    padding: 20px 16px; display: flex; align-items: center; gap: 10px;
    border-bottom: 1px solid var(--border);
}
.sidebar-logo { height: 28px; filter: brightness(0.9); }
.sidebar-title { font-size: 16px; font-weight: 700; color: var(--gold); letter-spacing: 1px; }
.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    color: var(--text-muted); text-decoration: none; font-size: 13px; font-weight: 500;
    transition: all 0.2s; margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg-card); color: var(--text); }
.nav-item.active { background: var(--gold-dim); color: var(--gold); font-weight: 600; }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer { padding: 12px; border-top: 1px solid var(--border); }
.entity-switch { display: flex; gap: 4px; }
.entity-btn {
    flex: 1; padding: 6px 4px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-muted); font-size: 11px; font-weight: 600;
    cursor: pointer; transition: all 0.2s;
}
.entity-btn.active { background: var(--gold-dim); color: var(--gold); border-color: var(--gold); }

/* ── MAIN CONTENT ── */
#content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
#topbar {
    height: var(--topbar-h); padding: 0 24px; display: flex; align-items: center; gap: 16px;
    border-bottom: 1px solid var(--border); background: var(--bg);
}
#page-title { flex: 1; font-size: 18px; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.user-info { font-size: 12px; color: var(--text-muted); margin-left: 8px; }
.menu-btn { display: none; background: none; border: none; color: var(--text); font-size: 20px; cursor: pointer; }

#view-container { flex: 1; overflow-y: auto; padding: 24px; }

/* ── BUTTONS ── */
.btn {
    padding: 8px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
    border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
    cursor: pointer; transition: all 0.2s;
}
.btn:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-gold { border-color: var(--gold); color: var(--gold); }
.btn-gold:hover { background: var(--gold-dim); }
.btn-green { border-color: var(--green); color: var(--green); }
.btn-red { border-color: var(--red); color: var(--red); }

/* ── CARDS ── */
.card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 20px; transition: border-color 0.2s;
}
.card:hover { border-color: var(--border-hover); }
.card-title { font-size: 11px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.card-value { font-size: 28px; font-weight: 700; font-family: var(--mono); }
.card-sub { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.card-positive { color: var(--green); }
.card-negative { color: var(--red); }
.card-gold { color: var(--gold); }

/* ── KPI GRID ── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }

/* ── TABLE ── */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
    padding: 10px 12px; text-align: left; font-size: 11px; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}
tbody td { padding: 10px 12px; border-bottom: 1px solid #1a1a1a; }
tbody tr:hover { background: var(--bg-card); }
.amount { font-family: var(--mono); text-align: right; }
.amount-positive { color: var(--green); }
.amount-negative { color: var(--red); }
.badge {
    display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.badge-green { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-gold { background: var(--gold-dim); color: var(--gold); }
.badge-blue { background: rgba(59,130,246,0.15); color: var(--blue); }

/* ── SEARCH & FILTERS ── */
.toolbar { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; align-items: center; }
.search-input {
    flex: 1; min-width: 200px; padding: 8px 14px; background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text); font-size: 13px;
}
.search-input:focus { outline: none; border-color: var(--gold); }
.search-input::placeholder { color: var(--text-dim); }
select.filter-select {
    padding: 8px 12px; background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text); font-size: 13px;
}

/* ── SECTION ── */
.section { margin-bottom: 24px; }
.section-title { font-size: 15px; font-weight: 600; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }

/* ── CHAT PANEL ── */
#chat-panel {
    width: var(--chat-w); min-width: var(--chat-w); background: var(--bg-sidebar);
    border-left: 1px solid var(--border); display: flex; flex-direction: column;
    transition: transform 0.3s, margin 0.3s; overflow: hidden;
}
#chat-panel.chat-hidden { width: 0; min-width: 0; border: none; }
.chat-header {
    padding: 14px 16px; display: flex; align-items: center; gap: 10px;
    border-bottom: 1px solid var(--border);
}
.chat-header h3 { flex: 1; font-size: 14px; color: var(--gold); }
.chat-close { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; }
.chat-model-select select {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
    font-size: 11px; padding: 3px 6px; border-radius: 4px;
}
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; }
.chat-welcome { text-align: center; color: var(--text-muted); font-size: 13px; padding: 40px 0; }
.chat-welcome p { margin-bottom: 8px; }
.chat-suggestions { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 16px; }
.chat-suggestions button {
    padding: 6px 12px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 16px; color: var(--text-muted); font-size: 11px; cursor: pointer;
    transition: all 0.2s;
}
.chat-suggestions button:hover { border-color: var(--gold); color: var(--gold); }

.chat-msg { margin-bottom: 16px; }
.chat-msg-user { text-align: right; }
.chat-msg-user .chat-bubble { background: var(--gold-dim); color: var(--text); border-radius: 12px 12px 4px 12px; display: inline-block; padding: 10px 14px; max-width: 85%; text-align: left; font-size: 13px; line-height: 1.5; }
.chat-msg-assistant .chat-bubble { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px 12px 12px 4px; display: inline-block; padding: 10px 14px; max-width: 90%; font-size: 13px; line-height: 1.6; }
.chat-actions { margin-top: 10px; display: flex; gap: 8px; }
.chat-action-btn { padding: 6px 14px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; border: none; }
.chat-action-approve { background: var(--green); color: #fff; }
.chat-action-reject { background: var(--bg-card); color: var(--red); border: 1px solid var(--red); }
.chat-action-preview { background: var(--bg-card); border: 1px solid var(--border); padding: 10px; border-radius: 8px; margin-top: 8px; font-size: 12px; font-family: var(--mono); white-space: pre-wrap; color: var(--text-muted); }

.chat-input-area { padding: 12px; border-top: 1px solid var(--border); display: flex; gap: 8px; align-items: flex-end; }
#chat-input {
    flex: 1; padding: 10px 14px; background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text); font-size: 13px; font-family: var(--font);
    resize: none; max-height: 120px;
}
#chat-input:focus { outline: none; border-color: var(--gold); }
#chat-send {
    width: 40px; height: 40px; background: var(--gold); border: none; border-radius: var(--radius-sm);
    color: #000; font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
#chat-send:hover { opacity: 0.9; }

/* ── LOADING ── */
.loading { display: flex; align-items: center; justify-content: center; padding: 40px; color: var(--text-muted); }
.spinner { width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--gold); border-radius: 50%; animation: spin 0.8s linear infinite; margin-right: 10px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    #sidebar { position: fixed; left: 0; top: 0; bottom: 0; transform: translateX(-100%); z-index: 300; }
    #sidebar.open { transform: translateX(0); }
    .menu-btn { display: block; }
    #chat-panel { position: fixed; right: 0; top: 0; bottom: 0; z-index: 300; }
    .kpi-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    #view-container { padding: 16px; }
    #chat-panel { width: 100%; min-width: 100%; }
}