.login-box { width: 100%; max-width: 400px; background: #fff; padding: 35px 30px; border-radius: 15px; box-shadow: 0 12px 25px rgba(0,0,0,0.15); text-align: center; position: relative; z-index: 1; transition: all 0.3s ease; }
.login-box:hover { transform: translateY(-3px); box-shadow: 0 15px 30px rgba(0,0,0,0.2); }
.login-box h2 { font-size: 28px; color: #007bff; margin-bottom: 25px; font-weight: 700; }
.login-box input[type="email"], .login-box input[type="text"], .login-box input[type="password"] { width: 100%; padding: 12px 15px; margin: 12px 0; border: 1px solid #ccc; border-radius: 8px; font-size: 15px; transition: all 0.3s; }
.login-box input:focus { outline: none; border-color: #007bff; box-shadow: 0 0 8px rgba(0,123,255,0.3); }
.login-box button { width: 100%; padding: 14px; margin-top: 15px; background: #007bff; color: #fff; border: none; border-radius: 8px; font-size: 16px; font-weight: 500; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 6px 15px rgba(0,0,0,0.1); }
.login-box button:hover { background: #0056b3; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
.login-box a { display: block; margin-top: 12px; color: #007bff; text-decoration: none; font-size: 14px; transition: color 0.3s; }
.login-box a:hover { color: #0056b3; }
.login-box h4 a { color: #007bff; font-weight: 500; margin-bottom: 20px; display: inline-block; }
.success-msg { color: green; margin-bottom: 15px; }
.error-msg { color: red; margin-bottom: 15px; }
.login-modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 999; justify-content: center; align-items: center; }
.login-modal .login-box { animation: fadeInUp 0.5s ease forwards; }
.login-modal .close-modal { position: absolute; top: 10px; right: 15px; font-size: 28px; cursor: pointer; }
@keyframes fadeInUp { 0% { opacity: 0; transform: translateY(50px); } 100% { opacity: 1; transform: translateY(0); } }
body.dark-theme { background: #0d1117; color: #e6edf3; }
body.dark-theme .login-box { background: #161b22; box-shadow: 0 12px 25px rgba(0,0,0,0.6); }
body.dark-theme .login-box h2, body.dark-theme .login-box h4 a { color: #58a6ff; }
body.dark-theme .login-box input[type="email"], body.dark-theme .login-box input[type="text"], body.dark-theme .login-box input[type="password"] { background: #0d1117; border: 1px solid #30363d; color: #e6edf3; }
body.dark-theme .login-box input:focus { border-color: #58a6ff; box-shadow: 0 0 8px rgba(88,166,255,0.5); }
body.dark-theme .login-box button { background: #238636; box-shadow: 0 6px 15px rgba(0,0,0,0.3); }
body.dark-theme .login-box button:hover { background: #2ea043; box-shadow: 0 10px 20px rgba(0,0,0,0.4); }
body.dark-theme .login-box a { color: #58a6ff; }
body.dark-theme .login-box a:hover { color: #1f6feb; }
.login-wrapper { display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 60px); padding-top: 20px; background: #f0f0f0; }