From 47df3a78dc2d75a26bf018efc2f7738fcc36d4c8 Mon Sep 17 00:00:00 2001
From: Liutenko Oleksandr <alexsandr.lau@gmail.com>
Date: Fri, 25 Sep 2026 15:21:11 +0300
Subject: [PATCH] Redesign login page (#5)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Rename header to "Assistant System", subtitle to "Вхід у систему"
- Glassmorphism card over animated gradient backdrop, logo mark
- Password visibility toggle, larger inputs, focus rings

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 frontend/src/features/auth/LoginPage.css | 235 ++++++++++++++++++++---
 frontend/src/features/auth/LoginPage.tsx |  52 +++--
 2 files changed, 247 insertions(+), 40 deletions(-)

diff --git a/frontend/src/features/auth/LoginPage.css b/frontend/src/features/auth/LoginPage.css
index 58cc62a..23b51e0 100644
--- a/frontend/src/features/auth/LoginPage.css
+++ b/frontend/src/features/auth/LoginPage.css
@@ -1,68 +1,230 @@
 .login-page {
+  --login-accent: #7c3aed;
+  --login-glass: rgba(255, 255, 255, 0.72);
+  --login-glass-border: rgba(255, 255, 255, 0.6);
+  --login-input-bg: rgba(255, 255, 255, 0.85);
+
+  position: relative;
   min-height: 100svh;
   display: flex;
   align-items: center;
   justify-content: center;
-  padding: 24px;
+  padding: 24px 16px;
+  overflow: hidden;
+  isolation: isolate;
+  background:
+    radial-gradient(1200px 600px at 10% -10%, rgba(37, 99, 235, 0.14), transparent 60%),
+    radial-gradient(900px 500px at 110% 110%, rgba(124, 58, 237, 0.14), transparent 60%),
+    var(--color-bg);
+}
+
+@media (prefers-color-scheme: dark) {
+  .login-page {
+    --login-accent: #a78bfa;
+    --login-glass: rgba(23, 26, 33, 0.7);
+    --login-glass-border: rgba(255, 255, 255, 0.08);
+    --login-input-bg: rgba(15, 17, 21, 0.7);
+  }
+}
+
+/* Декоративные размытые пятна на фоне */
+.login-backdrop {
+  position: absolute;
+  inset: 0;
+  z-index: -1;
+  pointer-events: none;
+}
+
+.login-blob {
+  position: absolute;
+  border-radius: 50%;
+  filter: blur(70px);
+  opacity: 0.55;
+  animation: login-float 18s ease-in-out infinite alternate;
+}
+
+.login-blob--a {
+  width: 380px;
+  height: 380px;
+  top: -80px;
+  left: -60px;
+  background: var(--color-primary);
+}
+
+.login-blob--b {
+  width: 320px;
+  height: 320px;
+  bottom: -90px;
+  right: -40px;
+  background: var(--login-accent);
+  animation-delay: -6s;
+}
+
+.login-blob--c {
+  width: 220px;
+  height: 220px;
+  top: 55%;
+  left: 60%;
+  background: #06b6d4;
+  opacity: 0.3;
+  animation-delay: -12s;
+}
+
+@keyframes login-float {
+  from {
+    transform: translate3d(0, 0, 0) scale(1);
+  }
+  to {
+    transform: translate3d(40px, 30px, 0) scale(1.1);
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .login-blob {
+    animation: none;
+  }
 }
 
 .login-card {
   width: 100%;
-  max-width: 380px;
-  background: var(--color-surface);
-  border: 1px solid var(--color-border);
-  border-radius: 12px;
-  box-shadow: var(--shadow-card);
-  padding: 32px;
+  max-width: 400px;
+  background: var(--login-glass);
+  border: 1px solid var(--login-glass-border);
+  border-radius: 20px;
+  box-shadow:
+    0 20px 50px -12px rgba(16, 24, 40, 0.25),
+    0 1px 2px rgba(16, 24, 40, 0.06);
+  backdrop-filter: blur(18px) saturate(140%);
+  -webkit-backdrop-filter: blur(18px) saturate(140%);
+  padding: 40px 32px 32px;
+  animation: login-enter 0.45s cubic-bezier(0.2, 0.8, 0.2, 1) both;
+}
+
+@keyframes login-enter {
+  from {
+    opacity: 0;
+    transform: translateY(12px) scale(0.98);
+  }
+}
+
+@media (max-width: 420px) {
+  .login-card {
+    padding: 32px 20px 24px;
+    border-radius: 16px;
+  }
 }
 
 .login-header {
-  margin-bottom: 24px;
+  margin-bottom: 28px;
   text-align: center;
 }
 
+.login-logo {
+  width: 56px;
+  height: 56px;
+  margin: 0 auto 16px;
+  display: grid;
+  place-items: center;
+  border-radius: 16px;
+  color: #fff;
+  background: linear-gradient(135deg, var(--color-primary), var(--login-accent));
+  box-shadow: 0 10px 24px -8px var(--color-primary);
+}
+
 .login-header h1 {
-  font-size: 22px;
-  margin-bottom: 4px;
+  font-size: 26px;
+  font-weight: 700;
+  letter-spacing: -0.02em;
+  margin-bottom: 6px;
+  background: linear-gradient(135deg, var(--color-text) 30%, var(--color-primary));
+  -webkit-background-clip: text;
+  background-clip: text;
+  color: transparent;
 }
 
 .login-header p {
   color: var(--color-text-muted);
-  font-size: 14px;
+  font-size: 15px;
 }
 
 .login-field {
-  margin-bottom: 16px;
+  margin-bottom: 18px;
 }
 
 .login-field label {
   display: block;
   font-size: 13px;
-  font-weight: 500;
-  margin-bottom: 6px;
+  font-weight: 600;
+  margin-bottom: 8px;
   color: var(--color-text);
 }
 
 .login-field input {
   width: 100%;
-  padding: 10px 12px;
+  height: 46px;
+  padding: 0 14px;
   border: 1px solid var(--color-border);
-  border-radius: 8px;
-  background: var(--color-bg);
+  border-radius: 12px;
+  background: var(--login-input-bg);
   color: var(--color-text);
-  font-size: 14px;
+  font-size: 15px;
   outline: none;
-  transition: border-color 0.15s ease;
+  transition:
+    border-color 0.15s ease,
+    box-shadow 0.15s ease;
+}
+
+.login-field input::placeholder {
+  color: var(--color-text-muted);
+  opacity: 0.7;
 }
 
 .login-field input:focus {
   border-color: var(--color-primary);
+  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 18%, transparent);
 }
 
 .login-field input:disabled {
   opacity: 0.6;
 }
 
+.login-password {
+  position: relative;
+}
+
+.login-password input {
+  padding-right: 46px;
+}
+
+.login-toggle {
+  position: absolute;
+  top: 50%;
+  right: 6px;
+  transform: translateY(-50%);
+  width: 34px;
+  height: 34px;
+  display: grid;
+  place-items: center;
+  border: none;
+  border-radius: 8px;
+  background: transparent;
+  color: var(--color-text-muted);
+  cursor: pointer;
+  transition:
+    color 0.15s ease,
+    background-color 0.15s ease;
+}
+
+.login-toggle:hover {
+  color: var(--color-text);
+  background: color-mix(in srgb, var(--color-text) 8%, transparent);
+}
+
+.login-toggle:focus-visible {
+  outline: 2px solid var(--color-primary);
+  outline-offset: 1px;
+}
+
 .login-error {
   display: flex;
   gap: 8px;
@@ -70,23 +232,29 @@
   background: var(--color-danger-bg);
   border: 1px solid var(--color-danger-border);
   color: var(--color-danger);
-  border-radius: 8px;
-  padding: 10px 12px;
+  border-radius: 12px;
+  padding: 10px 14px;
   font-size: 13px;
-  margin-bottom: 16px;
+  margin-bottom: 18px;
 }
 
 .login-submit {
   width: 100%;
-  padding: 11px 16px;
+  height: 48px;
+  margin-top: 8px;
+  padding: 0 16px;
   border: none;
-  border-radius: 8px;
-  background: var(--color-primary);
+  border-radius: 12px;
+  background: linear-gradient(135deg, var(--color-primary), var(--login-accent));
   color: #fff;
-  font-size: 14px;
+  font-size: 15px;
   font-weight: 600;
   cursor: pointer;
-  transition: background-color 0.15s ease;
+  box-shadow: 0 10px 24px -10px var(--color-primary);
+  transition:
+    transform 0.15s ease,
+    box-shadow 0.15s ease,
+    filter 0.15s ease;
   display: flex;
   align-items: center;
   justify-content: center;
@@ -94,7 +262,18 @@
 }
 
 .login-submit:hover:not(:disabled) {
-  background: var(--color-primary-hover);
+  transform: translateY(-1px);
+  filter: brightness(1.06);
+  box-shadow: 0 14px 28px -10px var(--color-primary);
+}
+
+.login-submit:active:not(:disabled) {
+  transform: translateY(0);
+}
+
+.login-submit:focus-visible {
+  outline: 2px solid var(--color-primary);
+  outline-offset: 2px;
 }
 
 .login-submit:disabled {
diff --git a/frontend/src/features/auth/LoginPage.tsx b/frontend/src/features/auth/LoginPage.tsx
index c058bec..c6bd175 100644
--- a/frontend/src/features/auth/LoginPage.tsx
+++ b/frontend/src/features/auth/LoginPage.tsx
@@ -19,6 +19,7 @@ export function LoginPage() {
 
   const [email, setEmail] = useState('')
   const [password, setPassword] = useState('')
+  const [showPassword, setShowPassword] = useState(false)
   const [submitting, setSubmitting] = useState(false)
   const [formError, setFormError] = useState<string | null>(null)
 
@@ -45,10 +46,22 @@ export function LoginPage() {
 
   return (
     <div className="login-page">
+      <div className="login-backdrop" aria-hidden="true">
+        <span className="login-blob login-blob--a" />
+        <span className="login-blob login-blob--b" />
+        <span className="login-blob login-blob--c" />
+      </div>
+
       <div className="login-card">
         <div className="login-header">
-          <h1>lux_fiscal</h1>
-          <p>Вход в систему фискализации заказов</p>
+          <div className="login-logo" aria-hidden="true">
+            <svg viewBox="0 0 24 24" width="26" height="26" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+              <path d="M12 3l7 4v5c0 4.5-3 8-7 9-4-1-7-4.5-7-9V7l7-4z" />
+              <path d="M9 12l2 2 4-4" />
+            </svg>
+          </div>
+          <h1>Assistant System</h1>
+          <p>Вхід у систему</p>
         </div>
 
         <form onSubmit={handleSubmit} noValidate>
@@ -74,16 +87,31 @@ export function LoginPage() {
 
           <div className="login-field">
             <label htmlFor={passwordId}>Пароль</label>
-            <input
-              id={passwordId}
-              type="password"
-              autoComplete="current-password"
-              required
-              value={password}
-              disabled={submitting}
-              onChange={(e) => setPassword(e.target.value)}
-              placeholder="••••••••"
-            />
+            <div className="login-password">
+              <input
+                id={passwordId}
+                type={showPassword ? 'text' : 'password'}
+                autoComplete="current-password"
+                required
+                value={password}
+                disabled={submitting}
+                onChange={(e) => setPassword(e.target.value)}
+                placeholder="••••••••"
+              />
+              <button
+                type="button"
+                className="login-toggle"
+                onClick={() => setShowPassword((v) => !v)}
+                aria-label={showPassword ? 'Скрыть пароль' : 'Показать пароль'}
+                aria-pressed={showPassword}
+              >
+                <svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+                  <path d="M2 12s3.5-7 10-7 10 7 10 7-3.5 7-10 7S2 12 2 12z" />
+                  <circle cx="12" cy="12" r="3" />
+                  {showPassword && <path d="M3 3l18 18" />}
+                </svg>
+              </button>
+            </div>
           </div>
 
           <button type="submit" className="login-submit" disabled={submitting}>