From 7ba6f806c8b4b9f142d7e23da117fa1aac6c987d Mon Sep 17 00:00:00 2001
From: 230417 <230417@epvc.pt>
Date: Wed, 29 Apr 2026 08:45:32 +0100
Subject: [PATCH] feat: overhaul design system with dark mode, updated
 typography, and cyan-based accent palette

---
 web/src/components/layout/Header.tsx | 91 ++++++++++++++--------------
 web/src/components/ui/button.tsx     |  8 +--
 web/src/components/ui/card.tsx       |  4 +-
 web/src/components/ui/tabs.tsx       | 13 ++--
 web/src/index.css                    | 47 ++++++++------
 web/tailwind.config.cjs              | 19 +++++-
 6 files changed, 105 insertions(+), 77 deletions(-)

diff --git a/web/src/components/layout/Header.tsx b/web/src/components/layout/Header.tsx
index a4575ed..f138509 100644
--- a/web/src/components/layout/Header.tsx
+++ b/web/src/components/layout/Header.tsx
@@ -15,38 +15,39 @@ export const Header = () => {
   }
 
   return (
-    <header className="sticky top-0 z-30 bg-white/70 backdrop-blur-lg border-b border-slate-200/50 shadow-sm shadow-slate-200/20">
-      <div className="mx-auto flex h-16 sm:h-20 max-w-6xl items-center justify-between px-3 sm:px-6">
+    <header className="sticky top-0 z-40 bg-zinc-950/80 backdrop-blur-xl border-b border-white/5 shadow-2xl shadow-black/20">
+      <div className="mx-auto flex h-16 sm:h-20 max-w-6xl items-center justify-between px-4 sm:px-6">
         <Link
           to="/"
-          className="text-2xl font-black tracking-tighter text-slate-900 group flex items-center gap-2"
+          className="text-xl sm:text-2xl font-black tracking-tighter text-white group flex items-center gap-3"
           onClick={() => setMobileMenuOpen(false)}
         >
-          <div className="w-8 h-8 rounded-lg bg-indigo-600 flex items-center justify-center text-white shadow-lg shadow-indigo-200">
-            <User size={18} fill="currentColor" />
+          <div className="w-9 h-9 rounded-xl bg-cyan-500 flex items-center justify-center text-white shadow-xl shadow-cyan-500/20 transition-transform duration-500 group-hover:rotate-6">
+            <User size={20} fill="currentColor" />
           </div>
-          <span className="group-hover:text-indigo-600 transition-colors uppercase italic font-black">Smart Agenda</span>
+          <span className="uppercase italic font-black tracking-widest hidden sm:block">Smart Agenda</span>
+          <span className="uppercase italic font-black tracking-widest sm:hidden">Smart</span>
         </Link>
 
         {/* Desktop Navigation */}
-        <nav className="hidden md:flex items-center gap-8">
+        <nav className="hidden md:flex items-center gap-10">
           {user?.role !== 'barbearia' && (
             <>
               <Link
                 to="/explorar"
-                className="text-sm font-bold text-slate-600 hover:text-slate-900 transition-all flex items-center gap-2"
+                className="text-xs font-black uppercase tracking-[0.2em] text-zinc-400 hover:text-white transition-all flex items-center gap-2"
               >
-                <MapPin size={16} className="text-indigo-500" />
-                <span>Descobrir Barbearias</span>
+                <MapPin size={14} className="text-cyan-500" />
+                <span>Explorar</span>
               </Link>
 
               <Link
                 to="/carrinho"
-                className="relative text-slate-700 hover:text-slate-900 transition-all p-2 rounded-xl hover:bg-slate-50"
+                className="relative text-zinc-400 hover:text-white transition-all p-2 rounded-xl hover:bg-white/5"
               >
-                <ShoppingCart size={20} className="text-slate-700" />
+                <ShoppingCart size={20} />
                 {cart.length > 0 && (
-                  <span className="absolute -right-1 -top-1 rounded-full bg-slate-900 px-1.5 py-0.5 text-[10px] font-black text-indigo-400 shadow-md min-w-[18px] text-center">
+                  <span className="absolute -right-1 -top-1 rounded-full bg-cyan-500 px-1.5 py-0.5 text-[9px] font-black text-white shadow-lg">
                     {cart.length}
                   </span>
                 )}
@@ -54,24 +55,24 @@ export const Header = () => {
             </>
           )}
 
-          <div className="h-6 w-px bg-slate-200 mx-1" />
+          <div className="h-6 w-px bg-white/5 mx-2" />
 
           {user ? (
-            <div className="flex items-center gap-4">
+            <div className="flex items-center gap-5">
               <button
                 onClick={() => navigate(user.role === 'barbearia' ? '/painel' : '/perfil')}
-                className="flex items-center gap-3 bg-slate-50 hover:bg-slate-100 border border-slate-200/60 pl-3 pr-4 py-1.5 rounded-full transition-all group"
+                className="flex items-center gap-3 bg-white/5 hover:bg-white/10 border border-white/10 pl-3 pr-5 py-2 rounded-2xl transition-all group"
                 type="button"
               >
-                <div className="w-7 h-7 rounded-full bg-indigo-600 flex items-center justify-center text-white shadow-sm">
+                <div className="w-7 h-7 rounded-lg bg-cyan-500 flex items-center justify-center text-white shadow-lg shadow-cyan-500/10">
                   <User size={14} fill="currentColor" />
                 </div>
-                <span className="text-sm font-bold text-slate-700 group-hover:text-slate-900 max-w-[120px] truncate">{user.name}</span>
+                <span className="text-xs font-black uppercase tracking-widest text-zinc-300 group-hover:text-white max-w-[120px] truncate">{user.name}</span>
               </button>
 
               <button
                 onClick={handleLogout}
-                className="p-2 text-slate-400 hover:text-rose-600 hover:bg-rose-50 rounded-xl transition-all"
+                className="p-2 text-zinc-500 hover:text-rose-500 hover:bg-rose-500/10 rounded-xl transition-all"
                 title="Sair"
                 type="button"
               >
@@ -79,18 +80,18 @@ export const Header = () => {
               </button>
             </div>
           ) : (
-            <div className="flex items-center gap-3">
+            <div className="flex items-center gap-4">
               <Link
                 to="/login"
-                className="text-sm font-bold text-slate-600 hover:text-slate-900 px-4 py-2 transition-colors"
+                className="text-xs font-black uppercase tracking-[0.2em] text-zinc-400 hover:text-white px-4 py-2 transition-colors"
               >
-                Login
+                Entrar
               </Link>
               <Link
                 to="/registo"
-                className="inline-flex items-center justify-center rounded-xl bg-indigo-600 px-5 py-2 text-sm font-bold text-white shadow-lg shadow-indigo-100 hover:bg-indigo-700 transition-all font-black uppercase italic tracking-widest"
+                className="inline-flex items-center justify-center rounded-2xl bg-white text-zinc-950 px-6 py-2.5 text-xs font-black uppercase italic tracking-widest shadow-xl hover:bg-cyan-500 hover:text-white transition-all"
               >
-                Criar Conta
+                Começar Agora
               </Link>
             </div>
           )}
@@ -99,7 +100,7 @@ export const Header = () => {
         {/* Mobile Menu Button */}
         <button
           onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
-          className="md:hidden p-2.5 bg-slate-50 border border-slate-200 rounded-xl text-slate-900 transition-all"
+          className="md:hidden p-3 bg-white/5 border border-white/10 rounded-xl text-white transition-all active:scale-95"
           type="button"
         >
           {mobileMenuOpen ? <X size={20} /> : <Menu size={20} />}
@@ -108,28 +109,28 @@ export const Header = () => {
 
       {/* Mobile Menu */}
       {mobileMenuOpen && (
-        <div className="md:hidden border-t border-slate-100 bg-white shadow-2xl animate-in slide-in-from-top-4 duration-300">
-          <nav className="px-6 py-6 space-y-4">
+        <div className="md:hidden border-t border-white/5 bg-zinc-950 shadow-[0_20px_50px_rgba(0,0,0,0.5)] animate-in slide-in-from-top-4 duration-300">
+          <nav className="px-6 py-8 space-y-6">
             {user?.role !== 'barbearia' && (
               <>
                 <Link
                   to="/explorar"
                   onClick={() => setMobileMenuOpen(false)}
-                  className="flex items-center gap-3 text-base font-black text-slate-700 hover:text-indigo-600 p-3 rounded-2xl bg-slate-50 transition-all uppercase italic"
+                  className="flex items-center gap-4 text-xs font-black uppercase tracking-[0.2em] text-zinc-300 hover:text-cyan-500 p-4 rounded-2xl bg-white/5 transition-all"
                 >
-                  <MapPin size={18} className="text-indigo-600" />
-                  Descobrir Barbearias
+                  <MapPin size={18} className="text-cyan-500" />
+                  Descobrir Espaços
                 </Link>
 
                 <Link
                   to="/carrinho"
                   onClick={() => setMobileMenuOpen(false)}
-                  className="flex items-center gap-3 text-base font-black text-slate-700 hover:text-indigo-600 p-3 rounded-2xl bg-slate-50 transition-all uppercase italic"
+                  className="flex items-center gap-4 text-xs font-black uppercase tracking-[0.2em] text-zinc-300 hover:text-cyan-500 p-4 rounded-2xl bg-white/5 transition-all"
                 >
-                  <ShoppingCart size={18} className="text-indigo-600" />
-                  Meu Carrinho
+                  <ShoppingCart size={18} className="text-cyan-500" />
+                  Carrinho
                   {cart.length > 0 && (
-                    <span className="ml-auto rounded-full bg-slate-900 px-2 py-0.5 text-[10px] font-black text-indigo-400">
+                    <span className="ml-auto rounded-full bg-cyan-500 px-2 py-0.5 text-[9px] font-black text-white">
                       {cart.length}
                     </span>
                   )}
@@ -137,46 +138,46 @@ export const Header = () => {
               </>
             )}
 
-            <div className="h-px bg-slate-100 w-full" />
+            <div className="h-px bg-white/5 w-full" />
 
             {user ? (
-              <>
+              <div className="space-y-3">
                 <button
                   onClick={() => {
                     navigate(user.role === 'barbearia' ? '/painel' : '/perfil')
                     setMobileMenuOpen(false)
                   }}
-                  className="w-full flex items-center gap-3 text-base font-bold text-slate-700 p-3 rounded-2xl hover:bg-slate-50 transition-all text-left"
+                  className="w-full flex items-center gap-4 text-xs font-black uppercase tracking-[0.2em] text-zinc-300 p-4 rounded-2xl hover:bg-white/5 transition-all text-left"
                   type="button"
                 >
-                  <User size={18} className="text-slate-400" />
+                  <User size={18} className="text-cyan-500" />
                   {user.name}
                 </button>
 
                 <button
                   onClick={handleLogout}
-                  className="w-full flex items-center gap-3 text-base font-bold text-rose-600 p-3 rounded-2xl hover:bg-rose-50 transition-all text-left"
+                  className="w-full flex items-center gap-4 text-xs font-black uppercase tracking-[0.2em] text-rose-500 p-4 rounded-2xl hover:bg-rose-500/10 transition-all text-left"
                   type="button"
                 >
                   <LogOut size={18} />
                   Sair da Conta
                 </button>
-              </>
+              </div>
             ) : (
-              <div className="grid grid-cols-2 gap-3">
+              <div className="flex flex-col gap-4">
                  <Link
                   to="/login"
                   onClick={() => setMobileMenuOpen(false)}
-                  className="flex items-center justify-center rounded-2xl border border-slate-200 bg-white py-3 text-sm font-bold text-slate-700"
+                  className="flex items-center justify-center rounded-2xl border border-white/10 bg-white/5 py-4 text-xs font-black uppercase tracking-widest text-white"
                 >
-                  Entrar
+                  Login
                 </Link>
                 <Link
                   to="/registo"
                   onClick={() => setMobileMenuOpen(false)}
-                  className="flex items-center justify-center rounded-2xl bg-slate-900 py-3 text-sm font-bold text-indigo-400 shadow-lg shadow-slate-200 font-black uppercase italic tracking-widest"
+                  className="flex items-center justify-center rounded-2xl bg-white py-4 text-xs font-black text-zinc-950 uppercase italic tracking-widest shadow-xl"
                 >
-                  Criar Conta
+                  Criar Conta Gratis
                 </Link>
               </div>
             )}
diff --git a/web/src/components/ui/button.tsx b/web/src/components/ui/button.tsx
index 825868f..c9cbbf1 100644
--- a/web/src/components/ui/button.tsx
+++ b/web/src/components/ui/button.tsx
@@ -10,10 +10,10 @@ type Props = React.ButtonHTMLAttributes<HTMLButtonElement> & {
 export const Button = ({ className, variant = 'solid', size = 'md', asChild, ...props }: Props) => {
   const base = 'inline-flex items-center justify-center font-semibold transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed';
   const variants = {
-    solid: 'bg-gradient-to-r from-indigo-500 to-blue-600 text-white hover:from-indigo-600 hover:to-blue-700 shadow-md hover:shadow-lg focus:ring-indigo-500/50 active:scale-[0.98]',
-    outline: 'border-2 border-indigo-500 text-indigo-700 bg-white hover:bg-indigo-50 hover:border-indigo-600 focus:ring-indigo-500/50 active:scale-[0.98]',
-    ghost: 'text-indigo-700 hover:bg-indigo-50 focus:ring-indigo-500/50 active:scale-[0.98]',
-    danger: 'bg-gradient-to-r from-rose-500 to-rose-600 text-white hover:from-rose-600 hover:to-rose-700 shadow-md hover:shadow-lg focus:ring-rose-500/50 active:scale-[0.98]',
+    solid: 'bg-gradient-to-r from-cyan-500 to-sky-600 text-white hover:from-cyan-600 hover:to-sky-700 shadow-xl shadow-cyan-500/10 focus:ring-cyan-500/50 active:scale-[0.98]',
+    outline: 'border border-white/10 text-white bg-white/5 hover:bg-white/10 hover:border-white/20 focus:ring-white/20 active:scale-[0.98]',
+    ghost: 'text-zinc-400 hover:text-white hover:bg-white/5 focus:ring-white/20 active:scale-[0.98]',
+    danger: 'bg-gradient-to-r from-rose-500 to-red-600 text-white hover:from-rose-600 hover:to-red-700 shadow-xl shadow-rose-500/10 focus:ring-rose-500/50 active:scale-[0.98]',
   };
   const sizes = {
     sm: 'text-xs px-3 py-1.5 rounded-lg',
diff --git a/web/src/components/ui/card.tsx b/web/src/components/ui/card.tsx
index deda884..489dc8d 100644
--- a/web/src/components/ui/card.tsx
+++ b/web/src/components/ui/card.tsx
@@ -3,8 +3,8 @@ import { cn } from '../../lib/cn';
 export const Card = ({ children, className = '', hover = false }: { children: React.ReactNode; className?: string; hover?: boolean }) => (
   <div
     className={cn(
-      'bg-white rounded-xl shadow-sm border border-slate-200/60 transition-all duration-200',
-      hover && 'hover:shadow-md hover:border-indigo-200/80',
+      'bg-zinc-900/80 backdrop-blur-sm rounded-2xl shadow-2xl border border-white/5 transition-all duration-300',
+      hover && 'hover:border-cyan-500/30 hover:bg-zinc-800/80',
       className
     )}
   >
diff --git a/web/src/components/ui/tabs.tsx b/web/src/components/ui/tabs.tsx
index 07c8650..d65cb14 100644
--- a/web/src/components/ui/tabs.tsx
+++ b/web/src/components/ui/tabs.tsx
@@ -3,21 +3,24 @@ import { cn } from '../../lib/cn';
 type Tab = { id: string; label: string; badge?: number };
 
 export const Tabs = ({ tabs, active, onChange, className }: { tabs: Tab[]; active: string; onChange: (id: string) => void; className?: string }) => (
-  <div className={cn("flex gap-1 p-1 bg-slate-100 rounded-xl overflow-x-auto scrollbar-hide w-full", className)}>
+  <div className={cn("flex gap-1.5 p-1 bg-zinc-950/50 backdrop-blur-md rounded-xl border border-white/5 overflow-x-auto scrollbar-hide w-full", className)}>
     {tabs.map((t) => (
       <button
         key={t.id}
         onClick={() => onChange(t.id)}
         className={cn(
-          "px-3 sm:px-6 py-1.5 sm:py-2.5 text-[10px] sm:text-sm font-black uppercase tracking-tight sm:tracking-widest transition-all rounded-lg whitespace-nowrap shrink-0",
+          "px-4 sm:px-6 py-2 sm:py-3 text-[10px] sm:text-xs font-black uppercase tracking-widest transition-all rounded-lg whitespace-nowrap shrink-0",
           active === t.id
-            ? "bg-slate-900 text-indigo-400 shadow-lg"
-            : "text-slate-500 hover:text-slate-900 hover:bg-white/50"
+            ? "bg-cyan-500 text-white shadow-xl shadow-cyan-500/20"
+            : "text-zinc-500 hover:text-zinc-200 hover:bg-white/5"
         )}
       >
         {t.label}
         {t.badge && (
-          <span className="ml-1 sm:ml-2 inline-flex items-center justify-center w-3.5 h-3.5 sm:w-5 sm:h-5 text-[7px] sm:text-[10px] font-black text-white bg-slate-900 rounded-full border border-indigo-500/50">
+          <span className={cn(
+            "ml-2 inline-flex items-center justify-center w-4 h-4 sm:w-5 sm:h-5 text-[8px] sm:text-[10px] font-black rounded-full border transition-colors",
+            active === t.id ? "bg-white text-cyan-600 border-transparent" : "bg-zinc-800 text-zinc-400 border-white/5"
+          )}>
             {t.badge}
           </span>
         )}
diff --git a/web/src/index.css b/web/src/index.css
index 4b51e42..f8aad66 100644
--- a/web/src/index.css
+++ b/web/src/index.css
@@ -1,20 +1,22 @@
+@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@100..900&display=swap');
+
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
 
 @layer base {
   :root {
-    --brand-primary: #2563eb; /* Blue 600 */
-    --brand-primary-light: #93c5fd;
-    --brand-primary-dark: #1e40af;
-    --obsidian: #18181b; /* Zinc 900 */
-    --obsidian-light: #27272a;
-    --slate-950: #09090b;
-    color-scheme: light;
+    --brand-primary: #0ea5e9; /* Cyan 500 */
+    --brand-primary-light: #7dd3fc;
+    --brand-primary-dark: #0369a1;
+    --obsidian: #09090b; /* Zinc 950 */
+    --obsidian-light: #18181b; /* Zinc 900 */
+    --slate-950: #020617;
+    color-scheme: dark;
   }
 
   * {
-    @apply border-zinc-200;
+    @apply border-white/5;
     box-sizing: border-box;
   }
 
@@ -23,33 +25,38 @@
     width: 100%;
     max-width: 100vw;
     position: relative;
+    background-color: var(--obsidian);
   }
 
   body {
-    @apply bg-[#fafafa] text-zinc-900 font-sans antialiased;
+    @apply text-zinc-400 font-sans antialiased;
     touch-action: pan-y;
     background-image: 
-      radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.03) 0px, transparent 50%),
-      radial-gradient(at 100% 0%, rgba(24, 24, 27, 0.03) 0px, transparent 50%);
+      radial-gradient(at 0% 0%, rgba(14, 165, 233, 0.05) 0px, transparent 50%),
+      radial-gradient(at 100% 0%, rgba(24, 24, 27, 0.05) 0px, transparent 50%);
     font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
     min-height: 100vh;
   }
 
   a {
-    @apply text-inherit no-underline transition-colors;
+    @apply text-inherit no-underline transition-all;
+  }
+
+  h1, h2, h3, h4, h5, h6 {
+    @apply text-white tracking-tight;
   }
 
   /* Scrollbar styling */
   ::-webkit-scrollbar {
-    @apply w-2 h-2;
+    @apply w-1.5 h-1.5;
   }
 
   ::-webkit-scrollbar-track {
-    @apply bg-zinc-100;
+    @apply bg-transparent;
   }
 
   ::-webkit-scrollbar-thumb {
-    @apply bg-blue-200 rounded-full hover:bg-blue-300;
+    @apply bg-zinc-800 rounded-full hover:bg-zinc-700;
   }
 }
 
@@ -59,7 +66,11 @@
   }
 
   .glass-card {
-    @apply bg-white/80 backdrop-blur-md border border-white/20 shadow-xl shadow-zinc-200/50;
+    @apply bg-zinc-900/50 backdrop-blur-xl border border-white/10 shadow-2xl shadow-black/50;
+  }
+
+  .bento-card {
+    @apply bg-zinc-900 border border-white/5 shadow-inner hover:border-white/20 transition-all duration-300;
   }
 
   /* Hide scrollbar but keep scroll functionality */
@@ -72,10 +83,10 @@
   }
 
   .indigo-gradient {
-    @apply bg-gradient-to-br from-blue-400 via-blue-500 to-blue-600;
+    @apply bg-gradient-to-br from-cyan-400 via-cyan-500 to-cyan-600;
   }
 
   .obsidian-gradient {
-    @apply bg-gradient-to-br from-zinc-800 via-zinc-900 to-zinc-950;
+    @apply bg-gradient-to-br from-zinc-900 via-zinc-950 to-black;
   }
 }
diff --git a/web/tailwind.config.cjs b/web/tailwind.config.cjs
index 0d2ea67..8ffcf01 100644
--- a/web/tailwind.config.cjs
+++ b/web/tailwind.config.cjs
@@ -7,13 +7,26 @@ module.exports = {
     extend: {
       colors: {
         amber: colors.amber,
-        slate: colors.zinc, // Normal neutral grey
-        indigo: colors.blue, // Normal professional blue
+        slate: colors.zinc,
+        indigo: {
+          50: '#f0f9ff',
+          100: '#e0f2fe',
+          200: '#bae6fd',
+          300: '#7dd3fc',
+          400: '#38bdf8',
+          500: '#0ea5e9',
+          600: '#0284c7',
+          700: '#0369a1',
+          800: '#075985',
+          900: '#0c4a6e',
+          950: '#082f49',
+        }, // Overriding indigo with a sharp Cyan/Sky Blue palette
         violet: colors.violet,
         emerald: colors.emerald,
+        zinc: colors.zinc,
       },
       fontFamily: {
-        sans: ['Inter', 'system-ui', 'sans-serif'],
+        sans: ['Outfit', 'Inter', 'system-ui', 'sans-serif'],
       },
     },
   },