diff --git a/components/Logo.vue b/components/Logo.vue
index 1fc3cbe..d045476 100644
--- a/components/Logo.vue
+++ b/components/Logo.vue
@@ -1,7 +1,19 @@
 <template>
-  <div>
-    <a @click="$router.push('/signin')">
+  <div class="logo">
+    <a class="link" @click="$router.push('/signin')">
       <img width="90px" src="/logo.png" />
     </a>
   </div>
-</template>
\ No newline at end of file
+</template>
+
+<style>
+.logo,
+.logo .link {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.logo .link {
+  text-decoration: none;
+}
+</style>
diff --git a/pages/signin.vue b/pages/signin.vue
index b6578bf..52b0983 100755
--- a/pages/signin.vue
+++ b/pages/signin.vue
@@ -1,79 +1,94 @@
 <template>
   <div class="columns is-centered px-0 mx-0">
     <div
-      :class="`column is-flex is-justify-content-center is-align-items-center wrapper-login is-${
+      :class="`column wrapper-login is-${
         viewport >= 4 ? 4 : 6
       }`"
     >
-      <div class="has-background-white px-6 py-6 login-box">
-        <Logo />
-        <Caption
-          :class="`mt-5 pt-${viewport === 1 ? 0 : 3}`"
-          v-bind="{ title: `${isVietnamese ? 'Đăng nhập' : 'Login'}`, size: 19 }"
-        ></Caption>
-        <div class="field mt-5">
-          <label class="label"
-            >{{ isVietnamese ? 'Tên đăng nhập' : 'User name' }}<b class="ml-1 has-text-danger">*</b></label
-          >
-          <div class="control">
-            <input
-              class="input"
-              type="text"
-              :placeholder="isVietnamese ? 'Nhập tên đăng nhập' : 'Enter username'"
-              v-model="username"
-              @keyup.enter="signin()"
-            />
-          </div>
-          <p
-            class="help is-danger"
-            v-if="errors.find((v) => v.name === 'username')"
-            v-html="errors.find((v) => v.name === 'username').text"
-          ></p>
-        </div>
-        <div class="field mt-5">
-          <label class="label">{{ isVietnamese ? 'Mật khẩu' : 'Password' }}<b class="ml-1 has-text-danger">*</b></label>
-          <div class="field-body">
-            <div class="field has-addons">
-              <p class="control is-expanded">
-                <input
-                  class="input"
-                  :type="showpass ? 'text' : 'password'"
-                  :placeholder="isVietnamese ? 'Nhập mật khẩu' : 'Enter password'"
-                  v-model="password"
-                  @keyup.enter="signin()"
-                />
-              </p>
-              <div class="control">
-                <a
-                  class="button"
-                  @click="showpass = !showpass"
-                  :title="
-                    showpass ? (isVietnamese ? 'Đăng nhập' : 'Login') : isVietnamese ? 'Hiện mật khẩu' : 'Show Password'
-                  "
-                >
-                  <span class="icon">
-                    <SvgIcon v-bind="{ name: showpass ? 'eye-off.svg' : 'view.svg', type: 'gray' }" />
-                  </span>
-                </a>
-              </div>
-            </div>
-          </div>
-          <p class="help is-danger" v-if="errors.find((v) => v.name === 'password')">
-            {{ errors.find((v) => v.name === 'password').text }}
+      <div class="has-background-white px-6 py-6 login-box ">
+        <div class="login-header">
+          <Logo />
+          <h2 class="title mt-4">{{ isVietnamese ? 'Đăng nhập hệ thống' : 'Login' }}</h2>
+          <p class="subtitle is-6 has-text-centered" v-if="getEnv">
+            {{ getEnv }}
           </p>
         </div>
-        <div class="field is-grouped mt-5 is-align-items-center">
-          <div class="control is-expanded">
-            <button class="button is-primary" @click="signin()" @keyup.enter="signin()">
-              {{ isVietnamese ? 'Đăng nhập' : 'Login' }}
-            </button>
-          </div>
-          <div class="control">
-            <a class="is-primary" @click="accountRecovery()"
-              >{{ isVietnamese ? 'Đặt lại mật khẩu' : 'Forgot Password' }}?</a
+        <div class="login-body mt-3">
+          <div class="field mt-5">
+            <label class="label"
+              >{{ isVietnamese ? 'Tên đăng nhập' : 'User name' }}<b class="ml-1 has-text-danger">*</b></label
             >
+            <div class="control">
+              <input
+                class="input"
+                type="text"
+                :placeholder="isVietnamese ? 'Nhập tên đăng nhập' : 'Enter username'"
+                v-model="username"
+                @keyup.enter="signin()"
+              />
+            </div>
+            <p
+              class="help is-danger"
+              v-if="errors.find((v) => v.name === 'username')"
+              v-html="errors.find((v) => v.name === 'username').text"
+            ></p>
+          </div>
+          <div class="field mt-5">
+            <label class="label"
+              >{{ isVietnamese ? 'Mật khẩu' : 'Password' }}<b class="ml-1 has-text-danger">*</b></label
+            >
+            <div class="field-body">
+              <div class="field has-addons">
+                <p class="control is-expanded">
+                  <input
+                    class="input"
+                    :type="showpass ? 'text' : 'password'"
+                    :placeholder="isVietnamese ? 'Nhập mật khẩu' : 'Enter password'"
+                    v-model="password"
+                    @keyup.enter="signin()"
+                  />
+                </p>
+                <div class="control">
+                  <a
+                    class="button view-pass-btn"
+                    @click="showpass = !showpass"
+                    :title="
+                      showpass
+                        ? isVietnamese
+                          ? 'Đăng nhập'
+                          : 'Login'
+                        : isVietnamese
+                        ? 'Hiện mật khẩu'
+                        : 'Show Password'
+                    "
+                  >
+                    <span class="icon">
+                      <SvgIcon v-bind="{ name: showpass ? 'eye-off.svg' : 'view.svg', type: 'gray' }" />
+                    </span>
+                  </a>
+                </div>
+              </div>
+            </div>
+            <p class="help is-danger" v-if="errors.find((v) => v.name === 'password')">
+              {{ errors.find((v) => v.name === 'password').text }}
+            </p>
+          </div>
+          <div class="field is-grouped mt-5 is-align-items-center is-justify-content-space-between">
+            <div class="control ">
+              <button class="button btn-primary" @click="signin()" @keyup.enter="signin()">
+                {{ isVietnamese ? 'Đăng nhập' : 'Login' }}
+              </button>
+            </div>
+            <div class="control reset-wrapper">
+              <a class="reset-link" @click="accountRecovery()"
+                >{{ isVietnamese ? 'Đặt lại mật khẩu' : 'Forgot Password' }}?</a
+              >
+            </div>
           </div>
         </div>
+        <footer class="login-footer">
+          <span>© 2026 {{ isVietnamese ? 'Bản quyền thuộc về Utopia' : 'Copyright by Utopia Technology JSC' }}</span>
+        </footer>
       </div>
     </div>
   </div>
@@ -166,6 +181,42 @@ export default {
     isVietnamese() {
       return navigator.language.toLowerCase().startsWith('vi');
     },
+    getEnv() {
+      const link = (this.$route.query.link || '').replace(/^https?:\/\//, '').toLowerCase();
+      const module = (this.$route.query.module || '').replace(/^https?:\/\//, '').toLowerCase();
+      const isDev = link.includes('dev');
+
+      const ENV_MAP = [
+        {
+          key: 'system',
+          module: 'system',
+          vi: 'Cổng quản trị hệ thống',
+          en: 'Admin Portal',
+        },
+        {
+          key: 'biz',
+          module: 'application',
+          vi: 'Cổng thông tin Chủ đầu tư',
+          en: 'Business Portal',
+        },
+        {
+          key: 'dealer',
+          module: 'dealer',
+          vi: 'Cổng thông tin Đại lý',
+          en: 'Dealer Portal',
+        },
+      ];
+
+      const found = ENV_MAP.find((item) => link.includes(item.key) && module === item.module);
+      if (found) {
+        const title = this.isVietnamese ? found.vi : found.en;
+        return isDev
+          ? `${title} - ${this.isVietnamese ? 'Môi trường phát triển (DEV)' : 'Development Environment (DEV)'}`
+          : title;
+      } else {
+        return null;
+      }
+    },
   },
   methods: {
     checkError() {
@@ -176,13 +227,13 @@ export default {
       if (this.$empty(this.username)) {
         this.errors.push({
           name: 'username',
-          text: this.isVietnamese ? 'Tên đăng nhập không được bỏ trống.' : 'Username is required.',
+          text: this.isVietnamese ? 'Vui lòng nhập tên đăng nhập.' : 'Please enter your username.',
         });
       }
       if (this.$empty(this.password)) {
         this.errors.push({
           name: 'password',
-          text: this.isVietnamese ? 'Mật khẩu không được bỏ trống.' : 'Password is required.',
+          text: this.isVietnamese ? 'Vui lòng nhập mật khẩu.' : 'Please enter your password.',
         });
       } else if (this.password.length < 6) {
         this.errors.push({
@@ -224,7 +275,7 @@ export default {
     },
     invalidLogin(data) {
       if (!data) {
-        const text = this.isVietnamese ? 'Tài khoản hoặc mật khẩu không chính xác' : 'Invalid username or password.';
+        const text = this.isVietnamese ? 'Tên đăng nhập hoặc mật khẩu không đúng.' : 'Incorrect username or password.';
         this.errors.push({ name: 'username', text: text });
         this.errors.push({ name: 'password', text: text });
       } else if (data.blocked) {
@@ -266,7 +317,7 @@ export default {
         await this.$insertapi('authtoken', obj);
         let link = this.$store.state.link;
         if (data.type === 3 && link.indexOf('y99') >= 0) {
-          link = link.indexOf('dev') >= 0 ? 'https://dev.ctv.y99.vn' : 'https://ctv.y99.vn';
+          link = link.indexOf('dev') >= 0 ? '' : '';
         }
         let href = `${link}?username=${ele.username}&token=${ele.token}&fullname=${ele.fullname}&userid=${ele.id}`;
         if (ele.avatar) href = `${href}&avatar=${ele.avatar}`;
@@ -299,12 +350,129 @@ export default {
 </script>
 <style>
 .wrapper-login {
-  min-height: 100vh;
+  height: 100vh;
+  overflow: hidden;
 }
 
 .wrapper-login .login-box {
+  margin-top: 20%;
   width: 100%;
   border-radius: 16px;
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
 }
+
+.wrapper-login .login-box .login-header .title {
+  text-align: center;
+  color: #c66a1c;
+  font-size: 28px;
+  font-weight: 600;
+  line-height: 36px;
+  letter-spacing: -0.2px;
+}
+.subtitle {
+  font-size: 15px;
+  color: #3F6E73;
+  margin-bottom: 24px;
+}
+
+.wrapper-login .login-box .login-footer {
+  margin-top: 24px;
+  padding-top: 12px;
+  border-top: 1px solid #e5e7eb;
+
+  display: flex;
+  justify-content: center;
+  align-items: center;
+
+  font-size: 12px;
+  color: #9ca3af;
+}
+
+.wrapper-login .login-box .login-footer span {
+  white-space: nowrap;
+}
+
+.wrapper-login .btn-primary {
+  width: 100%;
+  height: 46px;
+
+  background-color: #1F3A3D; /* primary from logo */
+  color: #FFFFFF;
+
+  border: none;
+  border-radius: 12px;
+
+  font-size: 15px;
+  font-weight: 600;
+
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.wrapper-login .btn-primary:hover {
+  background-color: #2C5054;
+}
+
+.wrapper-login .btn-primary:active {
+  transform: translateY(1px);
+}
+
+.wrapper-login .btn-primary:disabled {
+  background-color: #9CA3AF;
+  cursor: not-allowed;
+}
+
+.wrapper-login .reset-wrapper {
+  text-align: right;
+}
+
+.wrapper-login .reset-link {
+  font-size: 14px;
+  font-weight: 500;
+  color: #3F6E73;
+  text-decoration: none;
+  transition: all 0.2s ease;
+}
+
+.wrapper-login .reset-link:hover {
+  color: #1F3A3D;
+  text-decoration: underline;
+}
+
+/* INPUT BASE */
+.wrapper-login input {
+  width: 100%;
+  height: 44px;
+  padding: 10px 14px;
+
+  border: 1px solid #e5e7eb;
+  border-radius: 10px;
+
+  font-size: 14px;
+  transition: all 0.2s ease;
+  outline: none;
+}
+
+/* PLACEHOLDER */
+.wrapper-login input::placeholder {
+  color: #9ca3af;
+}
+
+/* FOCUS STATE */
+.wrapper-login input:focus {
+  border-color: #1F3A3D;
+  box-shadow: 0 0 0 3px rgba(31, 58, 61, 0.12);
+}
+
+/* HOVER nhẹ */
+.wrapper-login input:hover {
+  border-color: #cbd5e1;
+}
+.wrapper-login .view-pass-btn {
+  height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
 </style>