fixed alignment and building

web/src/app/airline/layout.tsx

@@ -1,4 +1,6 @@
 import { ReactNode } from 'react';
+import '@/styles/airline.css';
+
 export default function AirlineLayout({ children }: { children: ReactNode }) {
-  return <>{children}</>;
+  return <div data-mode="airline">{children}</div>;
 }

web/src/app/airline/page.tsx

@@ -1,7 +1,9 @@
+import AirlineHero from '@/components/feats/airline/AirlineHero';
+
 export default function AirlineHome() {
   return (
-    <div className="flex min-h-screen items-center justify-center">
+    <main>
-      <h1 className="text-3xl font-bold">Airline Mode</h1>
+      <AirlineHero />
-    </div>
+    </main>
   );
 }

web/src/app/globals.css

@@ -1,5 +1,6 @@
 @import "tailwindcss";
 
+@layer base {
 :root {
   --background: #ffffff;
   --foreground: #171717;
@@ -13,6 +14,7 @@
   --border-radius: 8px;
   --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.1);
 }
+}
 
 @theme inline {
   --color-background: var(--background);
@@ -21,6 +23,7 @@
   --font-mono: var(--font-geist-mono);
 }
 
+@layer base {
 @media (prefers-color-scheme: dark) {
   :root {
     --background: #0a0a0a;
@@ -66,7 +69,9 @@ input, select, textarea {
   font-size: 1rem;
   outline: none;
 }
+}
 
+@layer components {
 .container {
   max-width: 1200px;
   margin: 0 auto;
@@ -86,13 +91,19 @@ input, select, textarea {
   font-size: 1rem;
   border-radius: var(--border-radius);
   transition: all 0.2s ease;
+  background-color: #007aff;
+  color: #ffffff;
+  border: none;
+  cursor: pointer;
 }
 
 .btn-primary:hover {
   transform: translateY(-1px);
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  background-color: #0051d5;
 }
 
 .section-spacing {
   margin-bottom: var(--spacing-lg);
 }
+}

web/src/app/hotel/layout.tsx

@@ -1,4 +1,6 @@
 import { ReactNode } from 'react';
+import '@/styles/hotel.css';
+
 export default function HotelLayout({ children }: { children: ReactNode }) {
-  return <>{children}</>;
+  return <div data-mode="hotel">{children}</div>;
 }

web/src/app/hotel/page.tsx

@@ -1,7 +1,9 @@
+import HotelHero from '@/components/feats/hotel/HotelHero';
+
 export default function HotelHome() {
   return (
-    <div className="flex min-h-screen items-center justify-center">
+    <main>
-      <h1 className="text-3xl font-bold">Hotel Mode</h1>
+      <HotelHero />
-    </div>
+    </main>
   );
 }

web/src/components/feats/airline/AirlineHero.tsx

@@ -0,0 +1,156 @@
+'use client';
+
+import { useState, FormEvent } from 'react';
+import { Button, Label, Input, DateInput, RadioGroup, Dropdown, DropdownCounter } from '@/components/ui';
+
+type TripType = 'roundtrip' | 'oneway' | 'multicity';
+
+const PlaneIcon = () => (
+  <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 19l9 2-9-18-9 18 9-2zm0 0v-8" />
+  </svg>
+);
+
+const LocationIcon = () => (
+  <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M17.657 16.657L13.414 20.9a1.998 1.998 0 01-2.827 0l-4.244-4.243a8 8 0 1111.314 0z" />
+    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 11a3 3 0 11-6 0 3 3 0 016 0z" />
+  </svg>
+);
+
+export default function AirlineHero() {
+  const [tripType, setTripType] = useState<TripType>('roundtrip');
+  const [origin, setOrigin] = useState('');
+  const [destination, setDestination] = useState('');
+  const [departDate, setDepartDate] = useState('');
+  const [returnDate, setReturnDate] = useState('');
+  const [passengers, setPassengers] = useState({ adults: 1, children: 0, infants: 0 });
+
+  const handleSearch = (e: FormEvent) => {
+    e.preventDefault();
+    console.log({ tripType, origin, destination, departDate, returnDate, passengers });
+  };
+
+  const totalPax = passengers.adults + passengers.children + passengers.infants;
+
+  return (
+    <div className="hero-section min-h-[70vh] flex items-center justify-center">
+      <div className="w-full max-w-5xl px-4">
+        <div className="text-center mb-8">
+          <h1 className="text-4xl md:text-5xl font-bold mb-4">
+            Book flights at the best prices
+          </h1>
+          <p className="text-lg">
+            Compare hundreds of airlines and find the perfect flight for your journey
+          </p>
+        </div>
+
+        <div className="search-form">
+          <form onSubmit={handleSearch}>
+            <div className="mb-6">
+              <RadioGroup
+                name="tripType"
+                value={tripType}
+                onChange={setTripType}
+                options={[
+                  { value: 'roundtrip', label: 'Round-trip' },
+                  { value: 'oneway', label: 'One-way' },
+                  { value: 'multicity', label: 'Multi-city' },
+                ]}
+              />
+            </div>
+
+            <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
+              <div>
+                <Label htmlFor="origin">From</Label>
+                <Input
+                  type="text"
+                  id="origin"
+                  value={origin}
+                  onChange={(e) => setOrigin(e.target.value)}
+                  placeholder="Airport or city"
+                  icon={<PlaneIcon />}
+                  required
+                />
+              </div>
+
+              <div>
+                <Label htmlFor="destination">To</Label>
+                <Input
+                  type="text"
+                  id="destination"
+                  value={destination}
+                  onChange={(e) => setDestination(e.target.value)}
+                  placeholder="Airport or city"
+                  icon={<LocationIcon />}
+                  required
+                />
+              </div>
+
+              <div>
+                <Label htmlFor="departDate">Departure</Label>
+                <DateInput
+                  id="departDate"
+                  value={departDate}
+                  onChange={(e) => setDepartDate(e.target.value)}
+                  required
+                />
+              </div>
+
+              <div>
+                <Label htmlFor="returnDate">Return</Label>
+                {tripType === 'roundtrip' ? (
+                  <DateInput
+                    id="returnDate"
+                    value={returnDate}
+                    onChange={(e) => setReturnDate(e.target.value)}
+                    required
+                  />
+                ) : (
+                  <DateInput id="returnDate" disabled />
+                )}
+              </div>
+            </div>
+
+            <div className="grid grid-cols-4 sm:grid-cols-3 lg:grid-cols-4 gap-4 mt-4">
+              <div className="sm:col-span-1 lg:col-span-1">
+                <Label htmlFor="passengers">Passengers</Label>
+                <Dropdown label={`${totalPax} ${totalPax === 1 ? 'passenger' : 'passengers'}`}>
+                  <DropdownCounter
+                    label="Adults"
+                    sublabel="12+ years"
+                    value={passengers.adults}
+                    min={1}
+                    onChange={(v) => setPassengers({ ...passengers, adults: v })}
+                  />
+                  <DropdownCounter
+                    label="Children"
+                    sublabel="2-11 years"
+                    value={passengers.children}
+                    onChange={(v) => setPassengers({ ...passengers, children: v })}
+                  />
+                  <DropdownCounter
+                    label="Infants"
+                    sublabel="Under 2"
+                    value={passengers.infants}
+                    onChange={(v) => setPassengers({ ...passengers, infants: v })}
+                  />
+                </Dropdown>
+              </div>
+            </div>
+
+            <div className="mt-6">
+              <Button type="submit" fullWidth>
+                Search Flights
+              </Button>
+            </div>
+          </form>
+        </div>
+
+        <div className="mt-6 text-center text-sm">
+          <p>Direct flights available · Flexible booking · Compare 500+ airlines worldwide</p>
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/components/feats/hotel/HotelHero.tsx

@@ -0,0 +1,103 @@
+'use client';
+
+import { useState, FormEvent } from 'react';
+import { Button, Label, Input, DateInput, Dropdown, DropdownCounter } from '@/components/ui';
+
+const LocationIcon = () => (
+  <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M17.657 16.657L13.414 20.9a1.998 1.998 0 01-2.827 0l-4.244-4.243a8 8 0 1111.314 0z" />
+    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 11a3 3 0 11-6 0 3 3 0 016 0z" />
+  </svg>
+);
+
+export default function HotelHero() {
+  const [destination, setDestination] = useState('');
+  const [checkIn, setCheckIn] = useState('');
+  const [checkOut, setCheckOut] = useState('');
+  const [guests, setGuests] = useState({ adults: 2, rooms: 1 });
+
+  const handleSearch = (e: FormEvent) => {
+    e.preventDefault();
+    console.log({ destination, checkIn, checkOut, guests });
+  };
+
+  return (
+    <div className="hero-section min-h-[70vh] flex items-center justify-center">
+      <div className="w-full max-w-4xl px-4">
+        <div className="text-center mb-8">
+          <h1 className="text-4xl md:text-5xl font-bold mb-4">
+            Find your perfect stay
+          </h1>
+          <p className="text-lg">
+            Search hotels, compare prices, and book with confidence
+          </p>
+        </div>
+
+        <form onSubmit={handleSearch} className="search-form">
+          <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
+            <div className="sm:col-span-2">
+              <Label htmlFor="destination">Where to?</Label>
+              <Input
+                type="text"
+                id="destination"
+                value={destination}
+                onChange={(e) => setDestination(e.target.value)}
+                placeholder="City, hotel, or landmark"
+                icon={<LocationIcon />}
+                required
+              />
+            </div>
+
+            <div>
+              <Label htmlFor="checkIn">Check-in</Label>
+              <DateInput
+                id="checkIn"
+                value={checkIn}
+                onChange={(e) => setCheckIn(e.target.value)}
+                required
+              />
+            </div>
+
+            <div>
+              <Label htmlFor="checkOut">Check-out</Label>
+              <DateInput
+                id="checkOut"
+                value={checkOut}
+                onChange={(e) => setCheckOut(e.target.value)}
+                required
+              />
+            </div>
+
+            <div className="sm:col-span-2 lg:col-span-4">
+              <Label htmlFor="guests">Guests & Rooms</Label>
+              <Dropdown label={`${guests.adults} ${guests.adults === 1 ? 'adult' : 'adults'}, ${guests.rooms} ${guests.rooms === 1 ? 'room' : 'rooms'}`}>
+                <DropdownCounter
+                  label="Adults"
+                  value={guests.adults}
+                  min={1}
+                  onChange={(v) => setGuests({ ...guests, adults: v })}
+                />
+                <DropdownCounter
+                  label="Rooms"
+                  value={guests.rooms}
+                  min={1}
+                  onChange={(v) => setGuests({ ...guests, rooms: v })}
+                />
+              </Dropdown>
+            </div>
+
+            <div className="sm:col-span-2 lg:col-span-4">
+              <Button type="submit" fullWidth>
+                Search Hotels
+              </Button>
+            </div>
+          </div>
+        </form>
+
+        <div className="mt-6 text-center text-sm">
+          <p>Over 2 million hotels worldwide · Best price guarantee · Free cancellation on most bookings</p>
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/components/ui/Button.tsx

@@ -0,0 +1,20 @@
+import { ReactNode, ButtonHTMLAttributes } from 'react';
+
+type BtnVariant = 'primary' | 'secondary';
+
+interface BtnProps extends ButtonHTMLAttributes<HTMLButtonElement> {
+  variant?: BtnVariant;
+  children: ReactNode;
+  fullWidth?: boolean;
+}
+
+export default function Button({ variant = 'primary', children, fullWidth, className = '', ...props }: BtnProps) {
+  const baseClass = variant === 'primary' ? 'btn-primary' : 'btn-secondary';
+  const widthClass = fullWidth ? 'w-full' : '';
+
+  return (
+    <button className={`${baseClass} ${widthClass} ${className}`.trim()} {...props}>
+      {children}
+    </button>
+  );
+}

web/src/components/ui/DateInput.tsx

@@ -0,0 +1,7 @@
+import { InputHTMLAttributes } from 'react';
+
+interface DateInpProps extends Omit<InputHTMLAttributes<HTMLInputElement>, 'type'> {}
+
+export default function DateInput({ className = '', ...props }: DateInpProps) {
+  return <input type="date" className={`input-field ${className}`.trim()} {...props} />;
+}

web/src/components/ui/Dropdown.tsx

@@ -0,0 +1,83 @@
+'use client';
+
+import { ReactNode, useState, useRef, useEffect } from 'react';
+
+interface DropdownProps {
+  label: string;
+  children: ReactNode;
+}
+
+export default function Dropdown({ label, children }: DropdownProps) {
+  const [open, setOpen] = useState(false);
+  const ref = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    const handleClick = (e: MouseEvent) => {
+      if (ref.current && !ref.current.contains(e.target as Node)) {
+        setOpen(false);
+      }
+    };
+
+    document.addEventListener('mousedown', handleClick);
+    return () => document.removeEventListener('mousedown', handleClick);
+  }, []);
+
+  return (
+    <div className="relative" ref={ref}>
+      <button
+        type="button"
+        onClick={() => setOpen(!open)}
+        className="input-field flex justify-between items-center w-full"
+      >
+        <span>{label}</span>
+        <svg className="w-5 h-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
+        </svg>
+      </button>
+      {open && (
+        <div className="absolute z-10 mt-2 w-full bg-white border border-gray-200 rounded-lg shadow-lg p-4">
+          {children}
+        </div>
+      )}
+    </div>
+  );
+}
+
+interface CounterProps {
+  label: string;
+  sublabel?: string;
+  value: number;
+  min?: number;
+  max?: number;
+  onChange: (val: number) => void;
+}
+
+export function DropdownCounter({ label, sublabel, value, min = 0, max = 99, onChange }: CounterProps) {
+  return (
+    <div className="flex justify-between items-center py-3 border-b border-gray-100 last:border-b-0">
+      <div className="flex flex-col">
+        <span className="text-sm font-medium text-gray-900">{label}</span>
+        {sublabel && <span className="text-xs text-gray-500 mt-0.5">{sublabel}</span>}
+      </div>
+      <div className="flex items-center gap-3">
+        <button
+          type="button"
+          onClick={() => onChange(Math.max(min, value - 1))}
+          disabled={value <= min}
+          className="w-9 h-9 rounded-full border-2 border-gray-300 flex items-center justify-center hover:border-blue-500 hover:bg-blue-50 disabled:opacity-40 disabled:cursor-not-allowed disabled:hover:border-gray-300 disabled:hover:bg-transparent transition-colors text-lg font-medium text-gray-700"
+        >
+          −
+        </button>
+        <span className="w-10 text-center font-semibold text-gray-900">{value}</span>
+        <button
+          type="button"
+          onClick={() => onChange(Math.min(max, value + 1))}
+          disabled={value >= max}
+          className="w-9 h-9 rounded-full border-2 border-gray-300 flex items-center justify-center hover:border-blue-500 hover:bg-blue-50 disabled:opacity-40 disabled:cursor-not-allowed disabled:hover:border-gray-300 disabled:hover:bg-transparent transition-colors text-lg font-medium text-gray-700"
+        >
+          +
+        </button>
+      </div>
+    </div>
+  );
+}

web/src/components/ui/Input.tsx

@@ -0,0 +1,29 @@
+import { InputHTMLAttributes, ReactNode } from 'react';
+
+interface InpProps extends InputHTMLAttributes<HTMLInputElement> {
+    icon?: ReactNode;
+}
+
+export default function Input({ icon, className = '', style, ...props }: InpProps) {
+    const padClass = icon ? 'pl-10' : '';
+    // Fallback if a custom CSS rule still overrides Tailwind
+    const mergedStyle = icon ? { paddingInlineStart: '2.5rem', ...style } : style;
+
+    return (
+        <div className="relative">
+            {icon && (
+                <div
+                    aria-hidden
+                    className="pointer-events-none absolute inset-y-0 left-0 flex items-center pl-3 text-gray-400 z-10"
+                >
+                    {icon}
+                </div>
+            )}
+            <input
+                className={`input-field ${className} ${padClass}`}
+                style={mergedStyle}
+                {...props}
+            />
+        </div>
+    );
+}

web/src/components/ui/Label.tsx

@@ -0,0 +1,13 @@
+import { ReactNode, LabelHTMLAttributes } from 'react';
+
+interface LblProps extends LabelHTMLAttributes<HTMLLabelElement> {
+  children: ReactNode;
+}
+
+export default function Label({ children, className = '', ...props }: LblProps) {
+  return (
+    <label className={`block text-sm font-medium mb-2 ${className}`.trim()} {...props}>
+      {children}
+    </label>
+  );
+}

web/src/components/ui/RadioGroup.tsx

@@ -0,0 +1,33 @@
+'use client';
+
+interface RadioOpt<T extends string> {
+  value: T;
+  label: string;
+}
+
+interface RadioGrpProps<T extends string> {
+  name: string;
+  options: RadioOpt<T>[];
+  value: T;
+  onChange: (val: T) => void;
+}
+
+export default function RadioGroup<T extends string>({ name, options, value, onChange }: RadioGrpProps<T>) {
+  return (
+    <div className="flex gap-4">
+      {options.map((opt) => (
+        <label key={opt.value} className="flex items-center cursor-pointer">
+          <input
+            type="radio"
+            name={name}
+            value={opt.value}
+            checked={value === opt.value}
+            onChange={(e) => onChange(e.target.value as T)}
+            className="mr-2"
+          />
+          <span className="text-sm">{opt.label}</span>
+        </label>
+      ))}
+    </div>
+  );
+}

web/src/components/ui/index.ts

@@ -0,0 +1,6 @@
+export { default as Button } from './Button';
+export { default as Label } from './Label';
+export { default as Input } from './Input';
+export { default as DateInput } from './DateInput';
+export { default as RadioGroup } from './RadioGroup';
+export { default as Dropdown, DropdownCounter } from './Dropdown';

web/src/lib/config.ts

@@ -3,13 +3,13 @@ import { z } from 'zod';
 type Env = z.infer<typeof envSchema>;
 const envSchema = z.object({
     STORE_MODE: z.enum(['hotel', 'airline'], {
-        errorMap: () => ({ message: 'STORE_MODE must be either "hotel" or "airline"' })
+        message: 'STORE_MODE must be either "hotel" or "airline"'
     }),
     NEXT_PUBLIC_API_BASE: z.string().url({
         message: 'NEXT_PUBLIC_API_BASE must be a valid URL (e.g., http://localhost:3000)'
     }),
     NEXT_PUBLIC_APP_ENV: z.enum(['dev', 'prod'], {
-        errorMap: () => ({ message: 'NEXT_PUBLIC_APP_ENV must be either "dev" or "prod"' })
+        message: 'NEXT_PUBLIC_APP_ENV must be either "dev" or "prod"'
     }),
 });
 
@@ -21,7 +21,7 @@ const parseEnv = (): Env => {
         NEXT_PUBLIC_APP_ENV: process.env.NEXT_PUBLIC_APP_ENV,
     });
     if (!result.success) {
-        const errors = result.error.errors.map((err) => `${err.path.join('.')}: ${err.message}`).join('\n');
+        const errors = result.error.issues.map((err) => `${err.path.join('.')}: ${err.message}`).join('\n');
         throw new Error(`Environment validation failed:\n${errors}`);
     }
     return result.data;

web/src/styles/airline.css

@@ -1,5 +1,6 @@
 /* Airline Platform - Sky Blue Theme */
 
+@layer base {
 :root[data-mode="airline"] {
   --accent-primary: #007aff;
   --accent-secondary: #4caf50;
@@ -7,19 +8,31 @@
   --accent-primary-hover: #0051d5;
   --accent-primary-light: #e6f2ff;
   --text-accent: #007aff;
+  --hero-bg: linear-gradient(to bottom, white, #e6f2ff);
+}
 }
 
+@layer components {
 [data-mode="airline"] {
   --primary-color: var(--accent-primary);
 }
 
 [data-mode="airline"] .btn-primary {
-  background-color: var(--accent-primary);
+  background-color: var(--accent-primary) !important;
-  color: #ffffff;
+  color: #ffffff !important;
+  padding: 12px 24px;
+  font-weight: 600;
+  font-size: 1rem;
+  border-radius: var(--border-radius);
+  border: none;
+  cursor: pointer;
+  transition: all 0.2s ease;
 }
 
 [data-mode="airline"] .btn-primary:hover {
   background-color: var(--accent-primary-hover);
+  transform: translateY(-1px);
+  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
 }
 
 [data-mode="airline"] .btn-secondary {
@@ -264,6 +277,7 @@
   border-radius: 6px;
   padding: 12px;
   transition: border-color 0.2s ease;
+  width: 100%;
 }
 
 [data-mode="airline"] .input-field:focus {
@@ -300,3 +314,8 @@
 [data-mode="airline"] .checkbox-label:hover {
   color: var(--accent-primary);
 }
+
+[data-mode="airline"] .hero-section {
+  background: var(--hero-bg);
+}
+}

web/src/styles/hotel.css

@@ -1,5 +1,6 @@
 /* Hotel Platform - Action Blue Theme */
 
+@layer base {
 :root[data-mode="hotel"] {
   --accent-primary: #007aff;
   --accent-secondary: #4caf50;
@@ -8,8 +9,11 @@
   --accent-primary-light: #e6f2ff;
   --text-accent: #007aff;
   --bg-tertiary: #f5f5f7;
+  --hero-bg: linear-gradient(to bottom, white, #f5f5f5);
+}
 }
 
+@layer components {
 [data-mode="hotel"] {
   --primary-color: var(--accent-primary);
 }
@@ -17,10 +21,19 @@
 [data-mode="hotel"] .btn-primary {
   background-color: var(--accent-primary);
   color: #ffffff;
+  padding: 12px 24px;
+  font-weight: 600;
+  font-size: 1rem;
+  border-radius: var(--border-radius);
+  border: none;
+  cursor: pointer;
+  transition: all 0.2s ease;
 }
 
 [data-mode="hotel"] .btn-primary:hover {
   background-color: var(--accent-primary-hover);
+  transform: translateY(-1px);
+  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
 }
 
 [data-mode="hotel"] .btn-secondary {
@@ -398,3 +411,8 @@
   color: var(--accent-primary);
   border-bottom-color: var(--accent-primary);
 }
+
+[data-mode="hotel"] .hero-section {
+  background: var(--hero-bg);
+}
+}