fix(admin): alinhar menu lateral a esquerda, adicionar modo Claro/Escuro e visibilidade total dos botoes no admin

admin/src/app/globals.css

@@ -1,6 +1,6 @@
 @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
 
-:root {
+:root, [data-theme="dark"] {
   --bg-primary: #080810;
   --bg-secondary: #0e0e1a;
   --bg-card: #141425;
@@ -9,8 +9,8 @@
   --border-color: rgba(255,255,255,0.06);
   --border-active: rgba(245,158,11,0.5);
   --text-primary: #f0f0f5;
-  --text-secondary: #8888a0;
+  --text-secondary: #cbd5e1;
-  --text-muted: #55556a;
+  --text-muted: #64748b;
   --accent: #f59e0b;
   --accent-hover: #d97706;
   --accent-glow: rgba(245,158,11,0.15);
@@ -30,6 +30,32 @@
   --radius-xl: 24px;
 }
 
+[data-theme="light"] {
+  --bg-primary: #f8fafc;
+  --bg-secondary: #ffffff;
+  --bg-card: #ffffff;
+  --bg-card-hover: #f1f5f9;
+  --bg-elevated: #e2e8f0;
+  --border-color: #cbd5e1;
+  --border-active: #f59e0b;
+  --text-primary: #0f172a;
+  --text-secondary: #334155;
+  --text-muted: #64748b;
+  --accent: #f59e0b;
+  --accent-hover: #d97706;
+  --accent-glow: rgba(245,158,11,0.15);
+  --success: #16a34a;
+  --success-bg: rgba(22,163,74,0.1);
+  --warning: #d97706;
+  --warning-bg: rgba(217,119,6,0.1);
+  --danger: #dc2626;
+  --danger-bg: rgba(220,38,38,0.1);
+  --info: #2563eb;
+  --info-bg: rgba(37,99,235,0.1);
+  --gradient-primary: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
+  --shadow-glow: 0 0 20px rgba(245,158,11,0.1);
+}
+
 * { margin: 0; padding: 0; box-sizing: border-box; }
 html, body { height: 100%; }
 
@@ -63,9 +89,12 @@ body {
 .sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
 .nav-section-title { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.2px; padding: 16px 12px 8px; }
 .nav-item {
-  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--radius-sm);
+  display: flex !important; align-items: center !important; justify-content: flex-start !important; text-align: left !important; gap: 12px; padding: 10px 12px; border-radius: var(--radius-sm);
   color: var(--text-secondary); font-size: 14px; font-weight: 500; cursor: pointer; border: none;
-  background: none; width: 100%; text-align: left; transition: all 0.2s; text-decoration: none; font-family: inherit;
+  background: none; width: 100%; transition: all 0.2s; text-decoration: none; font-family: inherit;
+}
+.sidebar .nav-item {
+  justify-content: flex-start !important; text-align: left !important;
 }
 .nav-item:hover { background: var(--bg-card); color: var(--text-primary); }
 .nav-item.active { background: var(--accent-glow); color: var(--accent); box-shadow: inset 3px 0 0 var(--accent); }
@@ -104,22 +133,22 @@ body {
 .stat-value { font-size: 28px; font-weight: 800; letter-spacing: -1px; line-height: 1.2; }
 .stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
 
-.btn, button:not(.tab):not(.toggle) {
+.btn, button:not(.tab):not(.toggle):not(.nav-item) {
   display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 8px 16px; border-radius: 6px;
   font-size: 13.5px; font-weight: 500; cursor: pointer; border: 1px solid transparent; background: transparent;
   box-shadow: none !important; outline: none; transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.08s ease; font-family: inherit; user-select: none;
 }
-.btn:active, button:not(.tab):not(.toggle):active {
+.btn:active, button:not(.tab):not(.toggle):not(.nav-item):active {
   transform: scale(0.95) !important;
 }
 .btn-primary { background: var(--accent); color: white; border: 1px solid transparent; }
 .btn-primary:hover { background: var(--accent-hover); color: white; filter: brightness(1.15); }
-.btn-secondary { background: rgba(255, 255, 255, 0.04); color: var(--text-primary); border: 1px solid var(--border-color); }
+.btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-color); }
-.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.2); color: white; }
+.btn-secondary:hover { background: var(--border-color); color: var(--text-primary); }
-.btn-danger { background: rgba(239, 68, 68, 0.1); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.25); }
+.btn-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.25); }
-.btn-danger:hover { background: rgba(239, 68, 68, 0.25); border-color: rgba(239, 68, 68, 0.5); color: #f87171; }
+.btn-danger:hover { background: var(--danger); color: white; }
-.btn-ghost { background: rgba(255, 255, 255, 0.03); color: var(--text-secondary); border: 1px solid rgba(255, 255, 255, 0.08); padding: 6px 10px; }
+.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid transparent; padding: 6px 10px; }
-.btn-ghost:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.25); }
+.btn-ghost:hover { color: var(--text-primary); background: var(--bg-elevated); border-color: var(--border-color); }
 .btn-ghost[style*="danger"], .btn-ghost[style*="239, 68, 68"], .btn-ghost.danger {
   background: rgba(239, 68, 68, 0.1) !important; border: 1px solid rgba(239, 68, 68, 0.2) !important; color: #ef4444 !important;
 }
@@ -287,3 +316,131 @@ tr:hover td { background: var(--bg-card-hover); }
     transform: translateY(0) scale(1);
   }
 }
+
+/* === LIGHT THEME OVERRIDES FOR ADMIN === */
+[data-theme="light"] .sidebar {
+  background: #ffffff;
+  border-right: 1px solid #e2e8f0;
+}
+
+[data-theme="light"] .topbar {
+  background: rgba(255, 255, 255, 0.95);
+  border-bottom: 1px solid #e2e8f0;
+}
+
+[data-theme="light"] .nav-item {
+  color: #475569 !important;
+}
+
+[data-theme="light"] .nav-item:hover {
+  background: #f1f5f9 !important;
+  color: #0f172a !important;
+}
+
+[data-theme="light"] .nav-item.active {
+  background: rgba(245, 158, 11, 0.15) !important;
+  color: #f59e0b !important;
+}
+
+[data-theme="light"] .card {
+  background: #ffffff;
+  border-color: #e2e8f0;
+  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
+}
+
+[data-theme="light"] .stat-card {
+  background: #ffffff;
+  border-color: #e2e8f0;
+}
+
+[data-theme="light"] .form-input, [data-theme="light"] .form-select, [data-theme="light"] .form-textarea {
+  background: #ffffff;
+  border-color: #cbd5e1;
+  color: #0f172a;
+}
+
+[data-theme="light"] .btn-primary {
+  background: #f59e0b !important;
+  color: #ffffff !important;
+}
+
+[data-theme="light"] .btn-primary:hover {
+  background: #d97706 !important;
+  color: #ffffff !important;
+}
+
+[data-theme="light"] .btn-secondary {
+  background: #f1f5f9 !important;
+  color: #0f172a !important;
+  border: 1px solid #cbd5e1 !important;
+}
+
+[data-theme="light"] .btn-secondary:hover {
+  background: #e2e8f0 !important;
+  color: #0f172a !important;
+  border-color: #94a3b8 !important;
+}
+
+[data-theme="light"] .btn-ghost {
+  background: transparent !important;
+  color: #475569 !important;
+  border: 1px solid transparent !important;
+}
+
+[data-theme="light"] .btn-ghost:hover {
+  background: #f1f5f9 !important;
+  color: #0f172a !important;
+  border-color: #cbd5e1 !important;
+}
+
+[data-theme="light"] .btn-danger {
+  background: #fee2e2 !important;
+  color: #dc2626 !important;
+  border: 1px solid #fca5a5 !important;
+}
+
+[data-theme="light"] .btn-danger:hover {
+  background: #dc2626 !important;
+  color: #ffffff !important;
+}
+
+[data-theme="light"] .tabs {
+  border-bottom-color: #e2e8f0;
+}
+
+[data-theme="light"] .tab {
+  color: #475569;
+}
+
+[data-theme="light"] .tab:hover {
+  color: #0f172a;
+}
+
+[data-theme="light"] .tab.active {
+  color: #f59e0b;
+}
+
+[data-theme="light"] table th {
+  background: #f8fafc;
+  color: #475569;
+  border-bottom-color: #e2e8f0;
+}
+
+[data-theme="light"] table td {
+  border-bottom-color: #e2e8f0;
+  color: #0f172a;
+}
+
+[data-theme="light"] table tr:hover td {
+  background: #f1f5f9;
+}
+
+[data-theme="light"] .modal {
+  background: #ffffff;
+  border-color: #e2e8f0;
+  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
+}
+
+[data-theme="light"] .modal-header, [data-theme="light"] .modal-footer {
+  border-color: #e2e8f0;
+}

admin/src/app/page.tsx

@@ -1,6 +1,6 @@
 'use client';
 import { useState, useEffect, useRef } from 'react';
-import { LayoutDashboard, Users, CreditCard, Package, Settings, Shield, TrendingUp, Bell, LogOut, User, CheckCircle, AlertCircle } from 'lucide-react';
+import { LayoutDashboard, Users, CreditCard, Package, Settings, Shield, TrendingUp, Bell, LogOut, User, CheckCircle, AlertCircle, Sun, Moon } from 'lucide-react';
 import { useRouter } from 'next/navigation';
 import AdminDashboard from '@/components/AdminDashboard';
 import Tenants from '@/components/Tenants';
@@ -40,6 +40,21 @@ export default function AdminPage() {
   const [adminName, setAdminName] = useState('Super Admin');
   const [adminEmail, setAdminEmail] = useState('admin@agendapro.com');
 
+  const [theme, setTheme] = useState<'dark' | 'light'>('dark');
+
+  useEffect(() => {
+    const savedTheme = (localStorage.getItem('agendapro_admin_theme') as 'dark' | 'light') || 'dark';
+    setTheme(savedTheme);
+    document.documentElement.setAttribute('data-theme', savedTheme);
+  }, []);
+
+  const toggleTheme = () => {
+    const newTheme = theme === 'dark' ? 'light' : 'dark';
+    setTheme(newTheme);
+    localStorage.setItem('agendapro_admin_theme', newTheme);
+    document.documentElement.setAttribute('data-theme', newTheme);
+  };
+
   const notifRef = useRef<HTMLDivElement>(null);
   const profileRef = useRef<HTMLDivElement>(null);
 
@@ -208,6 +223,14 @@ export default function AdminPage() {
             <p>{pages[currentPage]?.subtitle}</p>
           </div>
           <div className="flex-gap">
+            <button 
+              type="button" 
+              className="btn-ghost btn-icon" 
+              onClick={toggleTheme}
+              title={theme === 'dark' ? 'Alternar para Modo Claro' : 'Alternar para Modo Escuro'}
+            >
+              {theme === 'dark' ? <Sun size={20} style={{ color: '#f59e0b' }} /> : <Moon size={20} style={{ color: '#6C63FF' }} />}
+            </button>
             <div style={{ position: 'relative' }} ref={notifRef}>
               <button className="btn-ghost btn-icon" style={{ position: 'relative' }} onClick={handleNotificationClick}>
                 <Bell size={20} />